CN103490904B

CN103490904B - Ethernet electrical interface rough set theory device, control method and device

Info

Publication number: CN103490904B
Application number: CN201310412908.9A
Authority: CN
Inventors: 张少嘉; 林健
Original assignee: Fujian Star Net Communication Co Ltd
Current assignee: Shaanxi Gangxin Electronic Technology Co ltd
Priority date: 2013-09-11
Filing date: 2013-09-11
Publication date: 2016-11-23
Anticipated expiration: 2033-09-11
Also published as: CN103490904A

Abstract

The invention discloses a kind of Ethernet electrical interface rough set theory device, control method and device, after the 40G port design of 40G switching card is changed in order to solve prior art the mounting hardware port of 10G, it is impossible to the problem of the business transmission of operatively compatible 40G.In Ethernet electrical interface rough set theory device, QSFP+ interface module is set and accesses data channel and the Control on Communication passage of 40G switching card, at least one SFP+ socket is set, this SFP+ socket connects a data channel, acquisition control module is set and provides type of device value for 40G switching card, and between QSFP+ interface module and SFP+ socket transparent transmission from the unlatching control signal of 40G switching card, thus without existing 40G switching card is made hardware modifications, just can compatible 40G business and 10G business, and, it is capable of distance 10G business by Ethernet electrical interface rough set theory device to transmit.

Description

Ethernet electrical interface rough set theory device, control method and device

Technical field

The present invention relates to optical communication field, in particular it relates to a kind of Ethernet electrical interface rough set theory device, Ethernet electrical interface control method and device, 40G switching card.

Background technology

IEEE-USA (IEEE, Institute of Electrical and Electronics Engineers) 802.3ba defines physical media interface (PMD, the Physical Media of 3 kinds of 40G Dependent), 40GBASE-SR4,40GBASE-LR4,40GBASE-FR.

40GBASE-SR4 is physical layer multimode fibre interface, and transmission range is 0.5 to 150m, uses 4 Bar parallel OM3 or OM4 multimode fibre (MMF, Multi-Mode Fiber), every parallel OM3 or OM4MMF transmits 10Gbps；

40GBASE-LR4 is 40G physical layer single-mode fiber interface, and transmission range is 2m to 10km, makes G.694.2 advise with meeting International Telecommunication Union (ITU, International Telecommunication Union) The single-mode fiber (SMF, Single-Mode Fiber) of model, and use CWDM (CWDM, Coarse Wavelength Division Multiplexer) technology, i.e. utilize optical multiplexer by the optical signal of different wave length Multiplexing is transmitted to simple optical fiber.The speed of each wavelength of transmission is 10Gbps, it is achieved mode is 4 ×10Gbps；

Transmission range 2m to the 2km of 40GBASE-FR, uses the SMF meeting ITU G.693 specification, Also being to use single wavelength (1310nm or 1550nm) to be transmitted, the speed of wavelength is 41.25Gbps.

Although 40G interface is widely used at present, but in order to compatibility is existing still at the 10G used Product, 40G pattern the most also supports 4*10G pattern, but in this case, pmd layer can only make Using 40GBASE-SR4 standard, transmission range only has 0.5 to 150m, it is impossible to realize Long line transmission, and just In normal 10G ethernet specification, 10GBASE-LR and 10GBASE-ER of IEEE802.3e definition, The distance of 10km and 40km can be transmitted respectively.

In existing 40G high-speed interface designs, in order to reach the long range propagation of 10G effect, permissible Long range propagation is realized by the scheme of Fig. 1.Exchange chip provides 4 10G MAC chips by 4 XFI interface is connected with physical chip, and physical chip realizes Physical Coding Sublayer (PCS, Physical Coding Sublayer)/physical medium Access Layer (PMA, Physical Media Access)/pmd layer merit Can, physical chip also provides for 4 SFI interfaces and is connected respectively to the SFP+ optical module of 4 10G, from And construct a 4*10G system, it is achieved long range propagation.

But, method as shown in Figure 1 has following defects that 1, needs to revise the hardware designs of switching card, The 40G port of standard is designed to 4 10G interfaces, and implementing the product obtained can only grafting 10G Module, and 40G module compatible cannot be used to carry out 40G business transmission.2,40G transmission is carried out when needs Time, need to be arranged to these 4 10G interfaces aggregated links to carry out 40G transmission, but this mode The 40G system reached can not be truly realized load balancing, and actual bandwidth does not reaches 40G.

Visible, the 40G port of 40G switching card is designed the mounting hardware end changing into 10G by prior art After Kou, it is impossible to the business transmission of operatively compatible 40G.

Summary of the invention

In view of this, a kind of Ethernet electrical interface rough set theory device, Ethernet are embodiments provided Electrical interface control method and device, 40G switching card, in order to solve the prior art 40G by 40G switching card After the mounting hardware port of 10G is changed in port design, it is impossible to the business transmission of operatively compatible 40G Problem.

Embodiment of the present invention technical scheme is as follows:

A kind of Ethernet electrical interface rough set theory device, including: four-way hot plug compact package module QSFP+ interface module, acquisition control module and at least one hot plug compact package module SFP+ socket； QSFP+ interface module includes data channel interface and Control on Communication channel interface；SFP+ socket includes that data are led to Pipeline joint and Control on Communication channel interface；

The data channel interface of QSFP+ interface module and Control on Communication channel interface are by 40G switching card QSFP+ socket is corresponding with the data channel of 40G switching card and Control on Communication passage respectively to be connected；Acquisition controlling Module, connects Control on Communication channel interface and the Control on Communication passage of SFP+ socket of QSFP+ interface module Interface, the also CPU with 40G switching card are connected；The data channel interface of SFP+ socket connects QSFP+ The data channel interface of interface module, and connect SFP+ optical module；

QSFP+ interface module, is controlled for being received the unlatching from CPU by Control on Communication channel interface Signal；The data signal from 40G switching card is received by data channel interface, will be from SFP+ socket Data signal be sent to 40G switching card；

Acquisition control module, for when obtaining the access of CPU of 40G switching card, it is provided that the institute prestored State the type of device value of conversion equipment；Further, the unlatching control signal from QSFP+ module is passed through The Control on Communication channel interface of SFP+ socket, wherein, opens the CPU root that control signal is 40G switching card Identify the type of described conversion equipment according to the type of device value of described conversion equipment after, led to by Control on Communication Road sends；

SFP+ socket, after received unlatching control signal by Control on Communication channel interface, turn-on data Channel interface, and the data signal from QSFP+ interface module is sent to SFP+ optical module, will be from The data signal of SFP+ optical module is sent to QSFP+ interface module.

Preferably, the interrupt signal interface of QSFP+ interface module be connected to 40G switching card interrupt signal lead to Road, acquisition control module is connected to the interrupt signal interface of QSFP+ interface module, and acquisition control module also connects It is connected to the state-detection passage of SFP+ socket；

Acquisition control module, is additionally operable to receiving the transmitting-receiving that SFP+ socket is sent by state-detection passage After status signal, record this reiving/transmitting state signal, and sent to 40G switching card by interrupt signal passage IntL signal, IntL signal obtains from acquisition control module for the CPU triggering 40G switching card to be remembered The reiving/transmitting state signal of record；Further,

By by Control on Communication channel reception to state control signal pass through SFP+ socket, wherein, shape State control signal is that the CPU of 40G switching card obtains the reiving/transmitting state letter recorded from acquisition control module Number post analysis obtains reiving/transmitting state type, controls accordingly according to this reiving/transmitting state type and is controlled by communication Passage processed sends；

SFP+ socket, is additionally operable to, after the change of signal transmitting and receiving state being detected, be sent by state-detection passage Reiving/transmitting state signal；And, after Control on Communication channel reception to state control signal, according to state control Signal processed is turned on and off accessed data channel.

Wherein, the Control on Communication passage of 40G switching card includes:

Optical module reset control ResetL signalling channel, optical module access control Modse1L signalling channel and Optical module mode of operation LPMode signalling channel；Further,

The ResetL signalling channel of 40G switching card passes through the QSFP+ socket of 40G switching card, described conversion The QSFP+ interface module of device and acquisition control module are connected to sending out of the SFP+ socket of described conversion equipment Sending end closes TX_Disable signalling channel, and the Modse1L signalling channel of 40G switching card is handed over by 40G Change the QSFP+ socket of card, the QSFP+ interface module of described conversion equipment and acquisition control module to be connected to The speed of the SFP+ socket of described conversion equipment selects RS1 signalling channel, the LPMode of 40G switching card Signalling channel by the QSFP+ socket of 40G switching card, the QSFP+ interface module of described conversion equipment and Acquisition control module is connected to the speed of the SFP+ socket of described conversion equipment and selects RS0 signalling channel；Then,

The unlatching control signal received, specifically includes:

The ResetL signalling channel output low level signal of 40G switching card is inserted to the SFP+ of described conversion equipment The TX_Disable signalling channel of seat, the Modse1L signalling channel output high level signal of 40G switching card To the RS1 signalling channel of the SFP+ socket of described conversion equipment, and the LPMode letter of 40G switching card Number passage output high level signal is to the RS0 signalling channel of the SFP+ socket of described conversion equipment.

Wherein, the state-detection passage of SFP+ socket includes: transmitting terminal indicating fault TX_Fault signal leads to There is flag bit Mod_ABS signalling channel in road, dropout Rx_Los signalling channel and optical module；

Then, reiving/transmitting state signal includes: the high/low level signal exported by TX_Fault signalling channel, Or the high level signal exported by Rx_Los signalling channel, or by Mod_ABS signalling channel The high/low level signal of output；

State control signal, specifically includes: for the TX_Fault signal of high level, believed by ResetL Number passage output high level signal is to the TX_Disable signalling channel of the SFP+ socket of described conversion equipment； For low level TX_Fault signal, by ResetL signalling channel output low level signal to described turn The TX_Disable signalling channel of the SFP+ socket of changing device；For the Rx_Los signal of high level, logical Cross the TX_Disable of the ResetL signalling channel output high level signal extremely SFP+ socket of described conversion equipment Signalling channel；For the Mod_ABS signal of high level, believed by ResetL signalling channel output high level Number to the TX_Disable signalling channel of SFP+ socket of described conversion equipment；For low level Mod_ABS signal, by the SFP+ of ResetL signalling channel output low level signal to described conversion equipment The TX_Disable signalling channel of socket.

Specifically, the acquisition control module of described conversion equipment is by the CPU of I2C bus with 40G switching card Connect；Then,

Acquisition control module, specifically for be 40G switching card by I2C bus CPU provide and prestore The type of device value of described conversion equipment；

IntL signal passes through I2C bus from acquisition control module specifically for the CPU triggering 40G switching card The reiving/transmitting state signal that middle acquisition is recorded.

Further, described conversion equipment also includes: power module；

The power interface of QSFP+ interface module is connected with the power channel of 40G switching card, power module with The power interface of QSFP+ interface module connects, power module from 40G switching card obtain running voltage signal and Ground signalling, provides running voltage signal according to the running voltage signal obtained for described conversion equipment.

A kind of Ethernet electrical interface control method, Ethernet electrical interface includes that the QSFP+ of 40G switching card connects Mouth and the most too net electrical interface rough set theory device as above, the method includes: 40G switching card In QSFP+ socket after attachment means, the acquisition control module of 40G switching card detects low level optical module There is flag signal, and export the interrupt signal CPU to 40G switching card；The CPU of 40G switching card Reading device types value from the device being connected with QSFP+ socket；When the type of device value instruction read should In the case of device is QSFP+ optical module, the switching port of 40G switching card is configured to 1*40G by CPU Pattern, and send unlatching control signal by Control on Communication passage to QSFP+ optical module, this unlatching controls letter Number for arranging the connection data channel that is connected with QSFP+ optical module of 40G switching card；When read In the case of type of device value indicates this device to be described Ethernet electrical interface rough set theory device, CPU will hand over Change port and be configured to 4*10G pattern, and by Control on Communication passage to described Ethernet electrical interface rough set theory Device sends opens control signal, and this unlatching control signal is used for arranging connection 40G switching card and described ether The data channel that net electrical interface rough set theory device is connected.

Preferably, described method also includes: the acquisition control module of 40G switching card is by from the institute being connected The interruption IntL signal stating Ethernet electrical interface rough set theory device passes through CPU, and this IntL signal is institute State Ethernet electrical interface rough set theory device detect signal transmitting and receiving state change after, produce and preserve transmitting-receiving shape State signal, sends according to the reiving/transmitting state signal preserved；CPU is from the described Ethernet electricity being connected Interface compatibility conversion equipment reads reiving/transmitting state signal, analyzes and obtain reiving/transmitting state type, according to this transmitting-receiving Status Type controls accordingly, produces corresponding state control signal, sends shape by Control on Communication passage State control signal；Wherein, this state control signal indicates described conversion Ethernet electrical interface compatible apparatus corresponding Be turned on or off the SFP+ optical module that is connected with described conversion Ethernet electrical interface compatible apparatus.

Specifically, for QSFP+ optical module, open control signal and specifically include: the optical module of high level is multiple Position controls ResetL signal, low level optical module accesses and controls Modse1L signal and low level optical mode Block mode of operation LPMode signal；

For described Ethernet electrical interface rough set theory device, open control signal and specifically include:

Low level optical module resets and controls the optical module access control Modse1L of ResetL signal, high level The optical module mode of operation LPMode signal of signal and high level；Wherein, ResetL signal sends to described The transmitting terminal indicating fault TX_Disable signalling channel of Ethernet electrical interface rough set theory device, Modse1L Signal sends the speed selection RS1 signalling channel to described Ethernet electrical interface rough set theory device, LPMode signal sends to the speed selection RS0 signal of described Ethernet electrical interface rough set theory device logical Road.

Specifically, reiving/transmitting state signal includes: by described Ethernet electrical interface rough set theory device The high/low level signal of TX_Fault signalling channel output, or turned by described Ethernet electrical interface compatibility The high level signal of the Rx_Los signalling channel output of changing device, or held concurrently by described Ethernet electrical interface Hold the high/low level signal of the Mod_ABS signalling channel output of conversion equipment；

State control signal, specifically includes: for the TX_Fault signal of high level, state control signal ResetL signal for high level；For low level TX_Fault signal, state control signal is low electricity Flat ResetL signal；For the Rx_Los signal of high level, state control signal is the ResetL of high level Signal；For the Mod_ABS signal of high level, state control signal is the ResetL signal of high level； For low level Mod_ABS signal, state control signal is low level ResetL signal；Wherein, ResetL signal sends the TX_Disable signalling channel to described Ethernet electrical interface rough set theory device； Wherein, the low electricity of the TX_Disable signalling channel to described Ethernet electrical interface rough set theory device is sent Ordinary mail number, is used for indicating described Ethernet electrical interface rough set theory device to open and holds concurrently with described Ethernet electrical interface Hold the SFP+ optical module that conversion equipment is connected, send to described Ethernet electrical interface rough set theory device The high level signal of TX_Disable signalling channel, is used for indicating described Ethernet electrical interface rough set theory device Close the SFP+ optical module being connected with described Ethernet electrical interface rough set theory device.

Wherein, the CPU of 40G switching card reading device type from the device being connected with QSFP+ socket Value, specifically includes: the CPU of 40G switching card is inserted from the QSFP+ with 40G switching card by I2C bus Reading device types value in the I2C logical address of the device that seat is connected；

CPU reads reiving/transmitting state signal from the described Ethernet electrical interface rough set theory device being connected, tool Body includes: CPU is read from the described Ethernet electrical interface rough set theory device being connected by I2C bus Reiving/transmitting state signal.

Further, 40G switching card is the described Ethernet electrical interface rough set theory device offer work being connected Voltage signal and ground signalling.

A kind of Ethernet electrical interface controls device, and Ethernet electrical interface includes that the QSFP+ of 40G switching card connects Mouth and Ethernet electrical interface rough set theory device as above, this device includes: read module, is used for After receiving interrupt signal, reading device from the device being connected with 40G switching card QSFP+ socket Types value；Wherein, this interrupt signal be 40G switching card QSFP+ socket in after attachment means, 40G The acquisition control module of switching card detects what low level optical module sent after there is flag signal；Configuration Module, the situation that the type of device value for reading when read module indicates this device to be QSFP+ optical module Under, the switching port of 40G switching card is configured to 1*40G pattern, when the type of device value read refers to In the case of showing that this device is described Ethernet electrical interface rough set theory device, switching port is configured to by CPU 4*10G pattern；Open control module, by Control on Communication passage to the QSFP+ optical module being connected or Described Ethernet electrical interface rough set theory device sends opens control signal, and this unlatching control signal is used for arranging The data channel that connection 40G switching card is connected with QSFP+ optical module, or, connection 40G is set and hands over Change the data channel that card is connected with described Ethernet electrical interface rough set theory device.

Preferably, read module, it is additionally operable to: after receiving interrupt signal, from the described ether being connected Net electrical interface rough set theory device reads reiving/transmitting state signal；This IntL signal is described Ethernet electrical interface After rough set theory device detects the change of signal transmitting and receiving state, produce and preserve reiving/transmitting state signal, according to institute The reiving/transmitting state signal preserved and the QSFP+ socket transparent transmission sending and passing through 40G switching card；Then,

Described device also includes: status control module, for analyzing the reiving/transmitting state that described read module reads Signal obtains reiving/transmitting state type, controls accordingly according to this reiving/transmitting state type, produces corresponding state Control signal, sends state control signal by Control on Communication passage；Wherein, this state control signal instruction Described conversion Ethernet electrical interface compatible apparatus is correspondingly turned on or off connecing with described conversion Ethernet electricity The SFP+ optical module that mouth compatible apparatus is connected.

Specifically, open control module, specifically for: for QSFP+ optical module, send and open control as follows Signal processed: the optical module of high level resets and controls ResetL signal, the access control of low level optical module Modse1L signal and low level optical module mode of operation LPMode signal；Connect for described Ethernet electricity Mouth rough set theory device, sends and opens control signal as follows: low level optical module resets and controls ResetL Signal, the optical module of high level access and control Modse1L signal and the optical module mode of operation of high level LPMode signal；Wherein, ResetL signal sends sending out to described Ethernet electrical interface rough set theory device Sending end indicating fault TX_Disable signalling channel, Modse1L signal sends to described Ethernet electrical interface The speed of rough set theory device selects RS1 signalling channel, and LPMode signal sends extremely described Ethernet electricity and connects The speed of mouth rough set theory device selects RS0 signalling channel.

Specifically, the reiving/transmitting state signal that read module reads includes: compatible by described Ethernet electrical interface The high/low level signal of the TX_Fault signalling channel output of conversion equipment, or by described Ethernet electricity The high level signal of the Rx_Los signalling channel output of interface compatibility conversion equipment, or by described ether The high/low level signal of the Mod_ABS signalling channel output of net electrical interface rough set theory device；Then；

Status control module, specifically for: for the TX_Fault signal of high level, the state that sends controls Signal is the ResetL signal of high level；For low level TX_Fault signal, the state that sends controls letter Number it is low level ResetL signal；For the Rx_Los signal of high level, sending state control signal is The ResetL signal of high level；For the Mod_ABS signal of high level, it is high for sending state control signal The ResetL signal of level；For low level Mod_ABS signal, sending state control signal is low electricity Flat ResetL signal；Wherein, ResetL signal sends to the described Ethernet electrical interface being connected compatible The TX_Disable signalling channel of conversion equipment；Wherein, send to the described Ethernet electrical interface being connected The low level signal of the TX_Disable signalling channel of rough set theory device, is used for indicating described Ethernet electricity The SFP+ optical mode being connected with described Ethernet electrical interface rough set theory device opened by interface compatibility conversion equipment Block, sends the TX_Disable signalling channel to the described Ethernet electrical interface rough set theory device being connected High level signal, be used for indicating described Ethernet electrical interface rough set theory device close with to described Ethernet The SFP+ optical module that electrical interface rough set theory device is connected.

Specifically, described read module, specifically for: by I2C bus from the 40G switching card being connected QSFP+ socket device I2C logical address in reading device types value；By I2C bus from being connected The described Ethernet electrical interface rough set theory device connect reads reiving/transmitting state signal.

A kind of 40G switching card, controls device including Ethernet electrical interface as above.

The Ethernet electrical interface rough set theory device provided according to embodiments of the present invention, sets in this conversion equipment Put QSFP+ interface module, at least one SFP+ socket and acquisition control module, QSFP+ interface module Data channel interface and Control on Communication channel interface by the QSFP+ socket of 40G switching card respectively with 40G The data channel of switching card is corresponding with Control on Communication passage to be connected, and acquisition control module connects QSFP+ interface The Control on Communication channel interface of module and the Control on Communication channel interface of SFP+ socket, also with 40G switching card CPU connect, the data channel interface of SFP+ socket connects the data channel interface of QSFP+ interface module, And connecting SFP+ optical module, acquisition control module, when obtaining the access of CPU of 40G switching card, carries The type of device value of the described conversion equipment for prestoring, and, the unlatching from QSFP+ module is controlled letter Number pass through the Control on Communication channel interface of SFP+ socket, after SFP+ socket receives unlatching control signal, Turn-on data channel interface so that the SFP+ optical module being connected with SFP+ socket and 40G switching card number According to communication, thus, can be effectively realized by this conversion equipment and by the QSFP+ interface conversion of 40G be The SFP+ interface of 10G, it is achieved the 10G business transmission of distance.

Further, the Ethernet electrical interface rough set theory device provided according to embodiments of the present invention and Ethernet electricity connect Mouth control method, it is not necessary to 40G switching card is made hardware modifications, on the basis of existing 40G switching card, The device that can efficiently identify out insertion 40G switching card is QSFP+ optical module or the present invention of 40G The described conversion equipment that embodiment provides, it is possible on the basis of existing 40G switching card, it is right to be effectively realized The QSFP+ optical module of 40G and the compatibility of the SFP+ optical module of 10G, namely to 40G business transmission and The compatibility of 10G business transmission；Thus, it is possible to solve prior art, the 40G port of 40G switching card is set After the mounting hardware port of 10G changed into by meter, it is impossible to the problem of operatively compatible 40G business transmission.

Other features and advantages of the present invention will illustrate in the following description, and, partly from explanation Book becomes apparent, or understands by implementing the present invention.The purpose of the present invention and other advantages can Realize by structure specifically noted in the description write, claims and accompanying drawing and obtain ?.

Accompanying drawing explanation

Fig. 1 is that in prior art, on 40G switching card after the modification, the SFP+ optical module of 10G carries out 10G The scene schematic diagram of business transmission；

The structured flowchart of the Ethernet electrical interface rough set theory device that Fig. 2 provides for the embodiment of the present invention；

The workflow diagram of the control method of the Ethernet electrical interface that Fig. 3 provides for the embodiment of the present invention；

Another structured flowchart of the Ethernet electrical interface rough set theory device that Fig. 4 provides for the embodiment of the present invention；

The workflow diagram of the control method of the Ethernet electrical interface that Fig. 5 provides for the embodiment of the present invention；

Fig. 6 controls the structured flowchart of device for the Ethernet electrical interface that the embodiment of the present invention provides；

Fig. 7 controls another structured flowchart of device for the Ethernet electrical interface that the embodiment of the present invention provides.

Detailed description of the invention

Below in conjunction with accompanying drawing, embodiments of the invention are illustrated, it will be appreciated that enforcement described herein Example is merely to illustrate and explains the present invention, is not intended to limit the present invention.

For prior art, the 40G port design of 40G switching card is changed into the mounting hardware port of 10G After, it is impossible to the problem of the business transmission of operatively compatible 40G, embodiments provide a kind of Ethernet Electrical interface rough set theory device, Ethernet electrical interface control method and device, 40G switching card, in order to solve This problem.

The embodiment of the present invention provide firstly a kind of Ethernet electrical interface rough set theory device, by this device without 40G switching card need to be made hardware modifications, existing 40G switching card insert the embodiment of the present invention and carries The Ethernet electrical interface rough set theory device of confession, and insert on this Ethernet electrical interface rough set theory device SFP+ optical module, can realize the 10G business transmission of distance.

The embodiment of the present invention additionally provides a kind of Ethernet electrical interface control method, and according to the method, 40G hands over Change the type of device value that card is inserted into the device of 40G switching card by reading, the i.e. recognizable device inserted It is QSFP+ optical module or the Ethernet electrical interface rough set theory device of embodiment of the present invention offer of 40G, And arranging port mode inside 40G switching card, the device by being inserted provides opens control signal, with The data channel of connection 40G switching card and the data channel of the device being inserted into 40G switching card, it is achieved number According to transmission.

Thus, technical scheme according to embodiments of the present invention, it is possible to effectively at the base of existing 40G switching card On plinth, it is achieved to the QSFP+ optical module of 40G and the compatibility of the SFP+ optical module of 10G, namely to 40G Business transmission and the compatibility of 10G business transmission；Thus, it is possible to solve prior art by 40G switching card After the mounting hardware port of 10G is changed in the design of 40G port, it is impossible to operatively compatible 40G business is transmitted Problem.

Below the embodiment of the present invention is described in detail.

Embodiment one

As in figure 2 it is shown, existing 40G switching card includes CPU31, acquisition control module 32, exchange system 33 and QSFP+ sockets (QSFP+cage) 34, by this between CPU31 and acquisition control module 32 Ground EBI communication, is communicated by PCIe interface between CPU31 with exchange system 33, exchange system 33 are provided out data channel (passage Lane0, Lane1, Lane2, lane3), acquisition control module 32 are provided out Control on Communication passage.Wherein, when acquisition control module 32 implements, generally use CPLD Device realizes.

Fig. 2 shows that the Ethernet electrical interface rough set theory device that the embodiment of the present invention provides (can also be called for short For described conversion equipment) structure, including: QSFP+ interface module 21, acquisition control module 23 and extremely A few SFP+ socket 22；QSFP+ interface module 21 includes that data channel interface and Control on Communication passage connect Mouthful；SFP+ socket 22 includes data channel interface and Control on Communication channel interface；

The data channel interface of QSFP+ interface module 21 and Control on Communication channel interface are by 40G switching card QSFP+ socket 34 respectively corresponding with the data channel of 40G switching card and Control on Communication passage connect；Institute State the acquisition control module 23 of conversion equipment, connect the Control on Communication channel interface of QSFP+ interface module 21 It is connected with the Control on Communication channel interface of SFP+ socket 22, the also CPU31 with 40G switching card；SFP+ The data channel interface of socket 22 connects the data channel interface of QSFP+ interface module 21, and connects SFP+ optical module；

More specifically, the acquisition control module 23 of described conversion equipment is by I2C bus and 40G switching card CPU31 connect；

QSFP+ interface module 21, for receiving the unlatching from CPU31 by Control on Communication channel interface Control signal；The data signal from 40G switching card is received by data channel interface, will be from SFP+ The data signal of socket 22 is sent to 40G switching card；

The acquisition control module 23 of described conversion equipment, for the visit at the CPU31 obtaining 40G switching card When asking, it is provided that the type of device value of the described conversion equipment prestored；Further, will be from QSFP+ module 21 Unlatching control signal pass through the Control on Communication channel interface of SFP+ socket 22, wherein, open and control letter Number it is that the CPU31 of 40G switching card identifies described conversion dress according to the type of device value of described conversion equipment Send after the type put, by Control on Communication passage；

Specifically, the acquisition control module 23 of described conversion equipment is 40G switching card by I2C bus CPU31 provides the type of device value of the described conversion equipment prestored；Define according to specification, described conversion dress The I2C logical address put is 0X50, and offset address is 0X80, the type of the described conversion equipment prestored Value is 0X0E, correspondingly, defines according to specification, and the value of the type of QSFP+ optical module is 0X0D；

When implementing, the acquisition control module 23 of described conversion equipment can be realized by CPLD device；

Specifically, the Control on Communication passage of 40G switching card includes:

Optical module reset control ResetL signalling channel, optical module access control Modse1L signalling channel and Optical module mode of operation LPMode signalling channel；Further, the ResetL signalling channel of 40G switching card is passed through The QSFP+ socket 34 of 40G switching card, the QSFP+ interface module 21 of described conversion equipment and acquisition controlling Module 23 is connected to the transmitting terminal of the SFP+ socket of described conversion equipment and closes TX_Disable signalling channel, The Modse1L signalling channel of 40G switching card passes through the QSFP+ socket 34 of 40G switching card, described conversion The QSFP+ interface module 21 of device and acquisition control module 23 are connected to the SFP+ of described conversion equipment and insert The speed of seat 22 selects RS1 signalling channel, and the LPMode signalling channel of 40G switching card is handed over by 40G Change the QSFP+ socket 34 of card, the QSFP+ interface module 21 of described conversion equipment and acquisition control module The speed of the 23 SFP+ sockets 22 being connected to described conversion equipment selects RS0 signalling channel；

Table 1 shows the specification definition of the low speed control signals of QSFP+ optical module or QSFP+ interface；

Table 1

Table 2 shows the specification definition of the low speed control signals of SFP+ optical module；

Table 2

Then, correspondingly, the unlatching control signal received, specifically include: the ResetL of 40G switching card The TX_Disable signal of the signalling channel output low level signal extremely SFP+ socket 22 of described conversion equipment Passage, the SFP+ of the Modse1L signalling channel output high level signal of 40G switching card to described conversion equipment The RS1 signalling channel of socket 22, and the LPMode signalling channel output high level letter of 40G switching card Number to the RS0 signalling channel of SFP+ socket 22 of described conversion equipment；

SFP+ socket 22, after received unlatching control signal by Control on Communication channel interface, is opened Data channel interface, and the data signal from QSFP+ interface module 21 is sent to SFP+ optical module, Data signal from SFP+ optical module is sent to QSFP+ interface module 21.

Specifically, described conversion equipment also includes: power module 24, the power supply of QSFP+ interface module 21 Interface is connected with the power channel of 40G switching card, power module 24 and the electricity of QSFP+ interface module 21 Source interface connects, and power module 24 obtains running voltage signal and ground signalling from 40G switching card, according to The running voltage signal obtained provides running voltage signal for described conversion equipment.

The Ethernet electrical interface control method provided below in conjunction with the embodiment of the present invention illustrates ether shown in Fig. 2 The operation principle of net electrical interface rough set theory device.

Fig. 3 shows the workflow diagram of the control method of the Ethernet electrical interface that the embodiment of the present invention provides, The method includes:

Step 301,40G switching card QSFP+ socket 34 in after attachment means, adopting of 40G switching card Collection control module 32 detects that low level optical module exists flag bit Mod_ABS signal (reference table 2), And export interruption IntL signal to the CPU31 of 40G switching card；

Step 302, the CPU31 of 40G switching card read dress from the device being connected with QSFP+ socket 34 Put types value；

Specifically, the CPU31 of 40G switching card is inserted from the QSFP+ with 40G switching card by I2C bus Reading device types value in the I2C logical address of the device that seat 34 is connected；When with 40G switching card In the case of the device that QSFP+ socket 34 is connected is described conversion equipment, the CPU31 of 40G switching card By I2C bus reading device from the I2C logical address of the acquisition control module 23 of described conversion equipment Types value；Further, as it has been described above, the I2C logical address of described conversion equipment is 0X50, offset address For 0X80, prestoring the types value of described conversion equipment in this address, this value is 0X0E, correspondingly, Defining according to specification, the types value of QSFP+ optical module is 0X0D；

40G switching card is inserted in the logical address of the device of QSFP+ socket 34 dress prestored by reading Put types value, it is possible to efficiently identify out the type of the device being connected；

Step 303, when the type of device value read indicate this device be QSFP+ optical module (namely read The types value of QSFP+ optical module is 0X0D) in the case of, CPU31 is by the exchange end of 40G switching card Mouth is configured to 1*40G pattern, and sends unlatching control letter by Control on Communication passage to QSFP+ optical module Number, this unlatching control signal is for arranging the data that connection 40G switching card is connected with QSFP+ optical module Passage；

Specifically, for the QSFP+ optical module inserted, open control signal and specifically include: high level ResetL signal, low level Modse1L signal and low level LPMode signal；

Step 304, this device is indicated to be that described Ethernet electrical interface compatibility turns when the type of device value read In the case of changing device (namely read the described types value changed be 0X0E), CPU31 is by switching port It is configured to 4*10G pattern, and is sent out to described Ethernet electrical interface rough set theory device by Control on Communication passage Sending unlatching control signal, this unlatching control signal is used for arranging connection 40G switching card and described Ethernet electricity connects The data channel that mouth rough set theory device is connected；

Specifically, for the Ethernet electrical interface rough set theory device inserted, open control signal and specifically wrap Include: low level ResetL signal, the Modse1L signal of high level and the LPMode signal of high level； Wherein, ResetL signal sends to the described Ethernet electrical interface rough set theory device being connected TX_Disable signalling channel, the transmission of Modse1L signal turns to the described Ethernet electrical interface compatibility being connected The RS1 signalling channel of changing device, LPMode signal sends to the described Ethernet electrical interface being connected compatible The RS0 signalling channel of conversion equipment, referring specifically to Tables 1 and 2；

That is, the TX_Disable letter of the SFP+ socket 22 of described Ethernet electrical interface rough set theory device Number channel reception receives high level signal to low level signal, RS1 signalling channel and RS0 signalling channel, Make the SFP+ socket 22 turn-on data passage of described conversion equipment, so that be inserted into described conversion dress The SFP+ optical module of the SFP+ socket 22 put can carry out business transmission.

By above-mentioned steps 303 and step 304, the embodiment of the present invention is by the phase of QSFP+ in 40G switching card OFF signal is converted to inserting the QSFP+ optical module of 40G switching card or by described Ethernet electrical interface The unlatching control signal of the SFP+ optical module that rough set theory device inserts, it is possible to effectively Ethernet electricity is connect Mouth is controlled.

Specifically, 40G switching card is also for the described Ethernet electrical interface rough set theory device offer work inserted Voltage signal and ground signalling.

According to the Ethernet electrical interface rough set theory device shown in Fig. 2, QSFP+ is set in this conversion equipment Interface module, at least one SFP+ socket and acquisition control module, the data channel of QSFP+ interface module Interface and Control on Communication channel interface by the QSFP+ socket of 40G switching card respectively with 40G switching card Data channel is corresponding with Control on Communication passage to be connected, and acquisition control module connects the logical of QSFP+ interface module Letter controls channel interface and the Control on Communication channel interface of SFP+ socket, the also CPU with 40G switching card and connects Connecing, the data channel interface of SFP+ socket connects the data channel interface of QSFP+ interface module, Yi Jilian Connecing SFP+ optical module, acquisition control module is when obtaining the access of CPU of 40G switching card, it is provided that prestore The type of device value of described conversion equipment, and, by the unlatching control signal transparent transmission from QSFP+ module To the Control on Communication channel interface of SFP+ socket, after SFP+ socket receives unlatching control signal, open number According to channel interface so that the SFP+ optical module being connected with SFP+ socket and 40G switching card carry out data communication, Thus, can be effectively realized the QSFP+ interface conversion of 40G by this conversion equipment is 10G's SFP+ interface, it is achieved the 10G business transmission of distance.

Further, according to the Ethernet electrical interface rough set theory device shown in Fig. 3 and Ethernet electrical interface controlling party Method, it is not necessary to 40G switching card is made hardware modifications, on the basis of existing 40G switching card, Ji Keyou The device identifying to effect insertion 40G switching card is QSFP+ optical module or the embodiment of the present invention of 40G The described conversion equipment provided, it is possible on the basis of existing 40G switching card, be effectively realized 40G QSFP+ optical module and the compatibility of SFP+ optical module of 10G, namely to the transmission of 40G business and 10G The compatibility of business transmission；Thus, it is possible to solve prior art, the 40G port design of 40G switching card is changed After becoming the mounting hardware port of 10G, it is impossible to the problem of operatively compatible 40G business transmission.

Embodiment two

Fig. 4 shows another structure of the Ethernet electrical interface rough set theory device that the embodiment of the present invention provides, In this conversion equipment, the interrupt signal interface of QSFP+ interface module 21 is connected in 40G switching card Break signal passage, acquisition control module 23 is connected to the interrupt signal interface of QSFP+ interface module 21, adopts Collection control module 23 is additionally coupled to the state-detection passage of SFP+ socket 22；

The acquisition control module 23 of described conversion equipment, is additionally operable to pass through state receiving SFP+ socket 22 After the reiving/transmitting state signal that sense channel sends, record this reiving/transmitting state signal, and by interrupt signal passage Sending IntL signal to 40G switching card, IntL signal is for triggering the CPU31 of 40G switching card from institute State the reiving/transmitting state signal that in the acquisition control module 23 of conversion equipment, acquisition is recorded；Specifically, IntL Signal passes through I2C bus from acquisition control module 23 specifically for the CPU31 triggering 40G switching card Obtain the reiving/transmitting state signal recorded；

Further, the shape that the acquisition control module 23 of described conversion equipment will be arrived by Control on Communication channel reception State control signal passes through SFP+ socket 22, and wherein, state control signal is the CPU of 40G switching card From the acquisition control module 23 of described conversion equipment, obtain the reiving/transmitting state signal post analysis recorded obtain Reiving/transmitting state type, is controlled accordingly according to this reiving/transmitting state type and is sent by Control on Communication passage 's；

SFP+ socket 22, is additionally operable to after the change of signal transmitting and receiving state being detected, by state-detection passage Send reiving/transmitting state signal；And, after Control on Communication channel reception to state control signal, according to shape State control signal is turned on and off accessed data channel；

Specifically, the state-detection passage of SFP+ socket 22 includes: transmitting terminal indicating fault TX_Fault There is flag bit Mod_ABS signal and lead in signalling channel, dropout Rx_Los signalling channel and optical module Road, with specific reference to table 2；

State control signal, specifically includes: for the TX_Fault signal of high level, believed by ResetL Number passage output high level signal leads to the TX_Disable signal of the SFP+ socket 22 of described conversion equipment Road；For low level TX_Fault signal, by ResetL signalling channel output low level signal to institute State the TX_Disable signalling channel of the SFP+ socket 22 of conversion equipment；Rx_Los for high level believes Number, by the SFP+ socket 22 of ResetL signalling channel output high level signal to described conversion equipment TX_Disable signalling channel；For the Mod_ABS signal of high level, defeated by ResetL signalling channel Go out the TX_Disable signalling channel of the high level signal extremely SFP+ socket 22 of described conversion equipment；For Low level Mod_ABS signal, by ResetL signalling channel output low level signal to described conversion dress The TX_Disable signalling channel of the SFP+ socket 22 put.

The Ethernet electrical interface control method provided below in conjunction with the embodiment of the present invention illustrates ether shown in Fig. 4 The operation principle of net electrical interface rough set theory device.

Fig. 5 shows the another kind of workflow of the Ethernet electrical interface control method that the embodiment of the present invention provides Journey, the method includes:

Step 501, the acquisition control module 32 of 40G switching card will connect from the described Ethernet electricity being connected The interruption IntL signal of mouth rough set theory device passes through CPU31, and this IntL signal is described Ethernet electricity After interface compatibility conversion equipment detects the change of signal transmitting and receiving state, produce and preserve reiving/transmitting state signal, root Send according to the reiving/transmitting state signal preserved；

Step 502, CPU31 read transmitting-receiving from the described Ethernet electrical interface rough set theory device being connected Status signal, analyzes and obtains reiving/transmitting state type, control accordingly according to this reiving/transmitting state type, produce Corresponding state control signal, sends state control signal by Control on Communication passage；Wherein, this state control Change Ethernet electrical interface compatible apparatus described in signal designation processed to be correspondingly turned on or off and described conversion The SFP+ optical module that Ethernet electrical interface compatible apparatus is connected.

Specifically, CPU31 is filled from the described Ethernet electrical interface rough set theory being connected by I2C bus Put middle reading reiving/transmitting state signal；More specifically, CPU31 passes through I2C bus from described conversion equipment Acquisition control module 23 reads reiving/transmitting state signal；

Specifically, reiving/transmitting state signal includes: the high/low level exported by TX_Fault signalling channel is believed Number, or the high level signal exported by Rx_Los signalling channel, or by Mod_ABS signal The high/low level signal of passage output, referring specifically to table 2；

Then, state control signal, specifically include: for the TX_Fault signal of high level, state controls Signal is the ResetL signal of high level；For low level TX_Fault signal, state control signal is Low level ResetL signal；For the Rx_Los signal of high level, state control signal is high level ResetL signal；For the Mod_ABS signal of high level, state control signal is the ResetL of high level Signal；For low level Mod_ABS signal, state control signal is low level ResetL signal； Wherein, ResetL signal sends to the described Ethernet electrical interface rough set theory device being connected TX_Disable signalling channel, referring specifically to Tables 1 and 2.

Send the TX_Disable signalling channel to the described Ethernet electrical interface rough set theory device being connected Low level signal, be used for indicating described Ethernet electrical interface rough set theory device to open and described Ethernet electricity The SFP+ optical module that interface compatibility conversion equipment is connected, sends to the described Ethernet electrical interface being connected The high level signal of the TX_Disable signalling channel of rough set theory device, is used for indicating described Ethernet electricity Interface compatibility conversion equipment cuts out the SFP+ optical mode being connected with described Ethernet electrical interface rough set theory device Block.

That is, for Tx_Fault signal, be the situation that high level instruction optical module exists fault at this signal Under, send high level signal to described Ethernet electrical interface rough set theory device by ResetL signalling channel TX_Disable signalling channel, instruction close transmitting terminal；For RX_Los signal, it is high at this signal Level indicating optical module receive light intensity the most weak in the case of, by ResetL signalling channel send high level Signal, to the TX_Disable signalling channel of described Ethernet electrical interface rough set theory device, indicates to close and sends out Sending end；For Mod_ABS signal, it is in the case of high level instruction optical module is pulled out at this signal, High level signal is sent to described Ethernet electrical interface rough set theory device by ResetL signalling channel TX_Disable signalling channel, transmitting terminal is closed in instruction.

Thus, by the SFP+ socket of the Ethernet electrical interface rough set theory device that the embodiment of the present invention provides The change of detection receiving and transmitting signal state, and send reiving/transmitting state signal according to this change, 40G switching card CPU obtains reiving/transmitting state type according to this reiving/transmitting state signal analysis, carries out phase according to this reiving/transmitting state type Should control, produce corresponding state control signal, send state control signal, energy by Control on Communication passage Enough effectively detect the state change in the SFP+ optical module business transmission of 10G, at fault or loss letter Number when close SFP+ optical module, extend the service life of optical module, and isolated fault module, with And link idle when, close optical module, play energy-conservation effect.

Embodiment three

Based on identical inventive concept, the embodiment of the present invention additionally provides a kind of Ethernet electrical interface and controls device, This device is positioned in the CPU of 40G switching card.

Fig. 6 shows that the Ethernet electrical interface that the embodiment of the present invention provides controls the structured flowchart of device, this The Ethernet electrical interface of bright embodiment indication includes: Ethernet electrical interface includes the QSFP+ of 40G switching card Interface and Ethernet electrical interface rough set theory device as shown in figures 2 or 4, the embodiment of the present invention provides Ethernet electrical interface control device include:

Read module 61, for after receiving interrupt signal, from 40G switching card QSFP+ socket phase Reading device types value in the device connected；Wherein, this interrupt signal be 40G switching card QSFP+ insert In Zuo after attachment means, the acquisition control module of 40G switching card detects that low level optical module exists mark Send after the signal of position；

Specifically, read module 61 by I2C bus from being connected with the QSFP+ socket of 40G switching card Reading device types value in the I2C logical address of device；

Configuration module 62, is connected to read module 61, for the type of device read when read module 61 In the case of value indicates this device to be QSFP+ optical module, the switching port of 40G switching card is configured to 1*40G pattern, when the type of device value read indicates this device to be described Ethernet electrical interface rough set theory In the case of device, switching port is configured to 4*10G pattern by CPU；

Open control module 63, be connected to configure module 62, by Control on Communication passage to being connected QSFP+ optical module or described Ethernet electrical interface rough set theory device send opens control signal, this unlatching Control signal connects, for arranging, the data channel that 40G switching card is connected with QSFP+ optical module, or, The data channel that connection 40G switching card is connected with described Ethernet electrical interface rough set theory device is set.

Specifically, for QSFP+ optical module, unlatching control module 63 sends opens control signal as follows: The optical module of high level resets and controls ResetL signal, low level optical module access control Modse1L letter Number and low level optical module mode of operation LPMode signal；

For institute's Ethernet electrical interface rough set theory device, unlatching control module 63 sends opens control as follows Signal: low level optical module resets and controls the optical module access control of ResetL signal, high level The optical module mode of operation LPMode signal of Modse1L signal and high level；Wherein, ResetL signal is sent out Deliver to the transmitting terminal indicating fault TX_Disable signalling channel of described Ethernet electrical interface rough set theory device, Modse1L signal sends to the speed selection RS1 signal of described Ethernet electrical interface rough set theory device logical Road, LPMode signal sends the speed selection RS0 signal to described Ethernet electrical interface rough set theory device Passage.

By device as shown in Figure 6, the Ethernet electrical interface being inserted in 40G switching card by reading Type of device value, and the pattern of the switching port of 40G switching card is configured according to this type of device value, and Sending to the Ethernet electrical interface inserted and open control signal, connection 40G switching card is handed over being inserted into 40G Change the data channel of the Ethernet electrical interface of card such that it is able to effectively to the ether being inserted into 40G switching card Net electrical interface is controlled, it is possible on the basis of the hardware configuration not changing existing 40G switching card, it is achieved The QSFP+ optical module of 40G and the Ethernet electrical interface rough set theory provided by the embodiment of the present invention are filled Put the compatibility of the SFP+ optical module of the 10G of insertion such that it is able to solve 40G switching card in prior art The design of 40G port change into the mounting hardware port of 10G after, it is impossible to operatively compatible 40G business passes Defeated problem.

Further, as it is shown in fig. 7, on the basis of Fig. 6 shown device, the embodiment of the present invention provides ether The control device of net electrical interface, also includes: status control module 64；

Read module 61, is additionally operable to: receive 40G switching card QSFP+ socket transparent transmission from institute After stating the interrupt signal of Ethernet electrical interface rough set theory device, hold concurrently from the described Ethernet electrical interface inserted Hold and conversion equipment reads reiving/transmitting state signal；This IntL signal is described Ethernet electrical interface rough set theory dress Put after the change of signal transmitting and receiving state being detected, produce and preserve reiving/transmitting state signal, according to the transmitting-receiving preserved Status signal and send；Then,

Status control module 64, is connected to read module 61, for analyzing the transmitting-receiving that read module 61 reads Status signal obtains reiving/transmitting state type, controls accordingly according to this reiving/transmitting state type, produces accordingly State control signal, sends state control signal by Control on Communication passage；Wherein, this state control signal Described conversion Ethernet electrical interface compatible apparatus is indicated correspondingly to be turned on or off and described conversion Ethernet The SFP+ optical module that electrical interface compatible apparatus is connected.

Specifically, the reiving/transmitting state signal that read module 61 reads includes: by described Ethernet electrical interface The high/low level signal of the TX_Fault signalling channel output of rough set theory device, or by described ether The high level signal of the Rx_Los signalling channel output of net electrical interface rough set theory device, or by described The high/low level signal of the Mod_ABS signalling channel output of Ethernet electrical interface rough set theory device；Then；

Status control module 64, specifically for: for the TX_Fault signal of high level, send state control Signal processed is the ResetL signal of high level；For low level TX_Fault signal, the state that sends controls Signal is low level ResetL signal；For the Rx_Los signal of high level, send state control signal ResetL signal for high level；For the Mod_ABS signal of high level, sending state control signal is The ResetL signal of high level；For low level Mod_ABS signal, it is low for sending state control signal The ResetL signal of level；Wherein, ResetL signal sends to the described Ethernet electrical interface being connected double Hold the TX_Disable signalling channel of conversion equipment；Wherein, transmission to the described Ethernet electricity being connected connects The low level signal of the TX_Disable signalling channel of mouth rough set theory device, is used for indicating described Ethernet Electrical interface rough set theory device opens the SFP+ light being connected with described Ethernet electrical interface rough set theory device Module, sends to the TX_Disable signal of the described Ethernet electrical interface rough set theory device being connected logical The high level signal in road, is used for indicating described Ethernet electrical interface rough set theory device to close and described Ethernet The SFP+ optical module that electrical interface rough set theory device is connected.

By the device shown in Fig. 7, the reiving/transmitting state signal analysis according to reading obtains reiving/transmitting state type, Control accordingly according to this reiving/transmitting state type, produce corresponding state control signal, pass through Control on Communication Passage sends state control signal, it is possible to effectively detect in the SFP+ optical module business transmission of 10G State changes, and closes SFP+ optical module, extend the use longevity of optical module fault or lossing signal when Life, and isolated fault module, and link idle when, close optical module, play energy-conservation effect.

One of ordinary skill in the art will appreciate that and realize all or part of step that above-described embodiment method is carried Suddenly the program that can be by completes to instruct relevant hardware, and described program can be stored in a kind of computer In readable storage medium storing program for executing, this program upon execution, including one or a combination set of the step of embodiment of the method.

It addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a module In.Above-mentioned integrated module both can realize to use the form of hardware, it would however also be possible to employ software function module Form realizes.If described integrated module realizes and as independent product using the form of software function module When selling or use, it is also possible to be stored in a computer read/write memory medium.

Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter Calculation machine program product.Therefore, the present invention can use complete hardware embodiment, complete software implementation or knot The form of the embodiment in terms of conjunction software and hardware.And, the present invention can use and wherein wrap one or more Computer-usable storage medium containing computer usable program code (include but not limited to disk memory and Optical memory etc.) form of the upper computer program implemented.

The present invention is with reference to method, equipment (system) and computer program product according to embodiments of the present invention The flow chart of product and/or block diagram describe.It should be understood that can by computer program instructions flowchart and / or block diagram in each flow process and/or flow process in square frame and flow chart and/or block diagram and/ Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embedding The processor of formula datatron or other programmable data processing device is to produce a machine so that by calculating The instruction that the processor of machine or other programmable data processing device performs produces for realizing at flow chart one The device of the function specified in individual flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.

These computer program instructions may be alternatively stored in and computer or the process of other programmable datas can be guided to set In the standby computer-readable memory worked in a specific way so that be stored in this computer-readable memory Instruction produce and include the manufacture of command device, this command device realizes in one flow process or multiple of flow chart The function specified in flow process and/or one square frame of block diagram or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, makes Sequence of operations step must be performed to produce computer implemented place on computer or other programmable devices Reason, thus the instruction performed on computer or other programmable devices provides for realizing flow chart one The step of the function specified in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.

Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.

Claims

1. an Ethernet electrical interface rough set theory device, it is characterised in that including: four-way hot plug Compact package module QSFP+ interface module, acquisition control module and at least one hot plug compact package module SFP+ socket；QSFP+ interface module includes data channel interface and Control on Communication channel interface；SFP+ inserts Seat includes data channel interface and Control on Communication channel interface；

Conversion equipment the most according to claim 1, it is characterised in that in QSFP+ interface module Break signal interface is connected to the interrupt signal passage of 40G switching card, and acquisition control module is connected to QSFP+ The interrupt signal interface of interface module, acquisition control module is additionally coupled to the state-detection passage of SFP+ socket；

Conversion equipment the most according to claim 1 and 2, it is characterised in that leading to of 40G switching card Letter controls passage and includes:

The unlatching control signal received, specifically includes:

Conversion equipment the most according to claim 3, it is characterised in that the state-detection of SFP+ socket Passage includes: transmitting terminal indicating fault TX_Fault signalling channel, dropout Rx_Los signalling channel and There is flag bit Mod_ABS signalling channel in optical module；

Conversion equipment the most according to claim 2, it is characterised in that the collection of described conversion equipment Control module is connected with the CPU of 40G switching card by I2C bus；Then,

Conversion equipment the most according to claim 1, it is characterised in that described conversion equipment also includes: Power module；

7. an Ethernet electrical interface control method, it is characterised in that Ethernet electrical interface includes that 40G hands over Change the QSFP+ interface of card and the too net electrical interface rough set theory as according to any one of claim 1～6 Device, the method includes:

In the QSFP+ socket of 40G switching card after attachment means, the acquisition control module detection of 40G switching card There is flag signal to low level optical module, and export the interrupt signal CPU to 40G switching card；

The CPU of 40G switching card is reading device types value from the device being connected with QSFP+ socket；

In the case of the type of device value read indicates this device to be QSFP+ optical module, CPU is by 40G The switching port of switching card is configured to 1*40G pattern, and by Control on Communication passage to QSFP+ optical module Sending and open control signal, this unlatching control signal is used for arranging connection 40G switching card and QSFP+ optical mode The data channel that block is connected；

When the type of device value read indicates this device to be described Ethernet electrical interface rough set theory device In the case of, switching port is configured to 4*10G pattern by CPU, and by Control on Communication passage to described with Too net electrical interface rough set theory device sends and opens control signal, and this unlatching control signal is used for arranging connection The data channel that 40G switching card is connected with described Ethernet electrical interface rough set theory device.

Method the most according to claim 7, it is characterised in that described method also includes:

The acquisition control module of 40G switching card is by from the described Ethernet electrical interface rough set theory being connected The interruption IntL signal of device passes through CPU, and this IntL signal is described Ethernet electrical interface rough set theory After device detects the change of signal transmitting and receiving state, produce and preserve reiving/transmitting state signal, according to the receipts preserved Send out status signal and send；

CPU reads reiving/transmitting state signal from the described Ethernet electrical interface rough set theory device being connected, point Analysis obtains reiving/transmitting state type, controls accordingly according to this reiving/transmitting state type, produces corresponding state control Signal processed, sends state control signal by Control on Communication passage；Wherein, this state control signal instruction institute State conversion Ethernet electrical interface compatible apparatus to be correspondingly turned on or off and described conversion Ethernet electrical interface The SFP+ optical module that compatible apparatus is connected.

Method the most according to claim 7, it is characterised in that for QSFP+ optical module, opens Control signal specifically includes: the optical module of high level resets and controls ResetL signal, low level optical module Access and control Modse1L signal and low level optical module mode of operation LPMode signal；

Method the most according to claim 8, it is characterised in that reiving/transmitting state signal includes: pass through The high/low level signal of the TX_Fault signalling channel output of described Ethernet electrical interface rough set theory device, Or the high level exported by the Rx_Los signalling channel of described Ethernet electrical interface rough set theory device is believed Number, or the height exported by the Mod_ABS signalling channel of described Ethernet electrical interface rough set theory device / low level signal；

11. methods according to claim 8, it is characterised in that the CPU of 40G switching card from Reading device types value in the device that QSFP+ socket is connected, specifically includes:

The CPU of 40G switching card by I2C bus from being connected with the QSFP+ socket of 40G switching card Reading device types value in the I2C logical address of device；

CPU reads reiving/transmitting state signal from the described Ethernet electrical interface rough set theory device being connected, tool Body includes:

CPU reads receipts by I2C bus from the described Ethernet electrical interface rough set theory device being connected Send out status signal.

12. according to the method according to any one of claim 7～11, it is characterised in that 40G switching card Described Ethernet electrical interface rough set theory device for being connected provides running voltage signal and ground signalling.

13. 1 kinds of Ethernet electrical interfaces control device, it is characterised in that Ethernet electrical interface includes that 40G hands over Change the QSFP+ interface of card and the Ethernet electrical interface compatibility as according to any one of claim 1～6 turns Changing device, this device includes:

Read module, for after receiving interrupt signal, is connected from 40G switching card QSFP+ socket Reading device types value in the device connect；Wherein, this interrupt signal is the QSFP+ socket of 40G switching card After middle attachment means, the acquisition control module of 40G switching card detects that low level optical module exists flag bit Send after signal；

Configuration module, indicates this device to be QSFP+ optical mode for the type of device value read when read module In the case of block, the switching port of 40G switching card is configured to 1*40G pattern, when the device read In the case of types value indicates this device to be described Ethernet electrical interface rough set theory device, CPU is by exchange end Mouth is configured to 4*10G pattern；

Open control module, by Control on Communication passage to the QSFP+ optical module being connected or described ether Net electrical interface rough set theory device sends opens control signal, and this unlatching control signal is used for arranging connection 40G The data channel that switching card is connected with QSFP+ optical module, or, connection 40G switching card and institute are set State the data channel that Ethernet electrical interface rough set theory device is connected.

14. devices according to claim 13, it is characterised in that read module, are additionally operable to:

After receiving interruption IntL signal, from the described Ethernet electrical interface rough set theory device being connected Read reiving/transmitting state signal；This IntL signal is that described Ethernet electrical interface rough set theory device detects signal After reiving/transmitting state change, produce and preserve reiving/transmitting state signal, send out according to the reiving/transmitting state signal preserved Go out and pass through the QSFP+ socket transparent transmission of 40G switching card；Then,

15. devices according to claim 13, it is characterised in that open control module, specifically use In:

For QSFP+ optical module, send and open control signal as follows: the optical module of high level resets and controls ResetL signal, low level optical module access and control Modse1L signal and the work of low level optical module Pattern LPMode signal；

For described Ethernet electrical interface rough set theory device, send and open control signal as follows: be low level Optical module resets and controls ResetL signal, the optical module access control Modse1L signal of high level and height electricity Flat optical module mode of operation LPMode signal；Wherein, the transmission of ResetL signal connects to described Ethernet electricity The transmitting terminal indicating fault TX_Disable signalling channel of mouth rough set theory device, Modse1L signal sends Speed to described Ethernet electrical interface rough set theory device selects RS1 signalling channel, and LPMode signal is sent out The speed delivering to described Ethernet electrical interface rough set theory device selects RS0 signalling channel.

16. devices according to claim 14, it is characterised in that the transmitting-receiving shape that read module reads State signal includes: exported by the TX_Fault signalling channel of described Ethernet electrical interface rough set theory device High/low level signal, or led to by the Rx_Los signal of described Ethernet electrical interface rough set theory device The high level signal of road output, or by the Mod_ABS of described Ethernet electrical interface rough set theory device The high/low level signal of signalling channel output；Then；

17. devices according to claim 14, it is characterised in that described read module, specifically use In:

By I2C bus from the I2C of the device of the QSFP+ socket of the 40G switching card being connected logically Reading device types value in location；

From the described Ethernet electrical interface rough set theory device being connected, reiving/transmitting state is read by I2C bus Signal.

18. 1 kinds of 40G switching cards, it is characterised in that include as according to any one of claim 13～17 Ethernet electrical interface control device.