CN103490904A

CN103490904A - Ethernet electrical interface compatibility conversion device, control method and device

Info

Publication number: CN103490904A
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: 2014-01-01
Anticipated expiration: 2033-09-11
Also published as: CN103490904B

Abstract

The invention discloses an Ethernet electrical interface compatibility conversion device, control method and device. The problem that 40G service transmission can not be compatible effectively after a 40G port of a 40G exchange card is designed to be changed into a 10G fixed hardware port in the prior art is solved. According to the Ethernet electrical interface compatibility conversion device, a QSFP+interface module is arranged to access a data channel and a communication control channel of the 40G exchange card, at least one SFP+socket is arranged, the SFP+socket is connected with one data channel, a collecting control module is arranged to provide a device type value for the 40G exchange card, starting control signals from the 40G exchange card are transmitted between the QSFP+interface module and the SFP+socket, so that hardware does not need to be changed for an existing 40G exchange card, 40G service and 10G service can be compatible with each other, and moreover long-distance 10G service transmission can be achieved through the Ethernet electrical interface compatibility conversion device.

Description

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

Technical field

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

Background technology

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

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

40GBASE-LR4 is 40G physical layer monomode fiber interface, transmission range is that 2m is to 10km, use meets the (ITU of International Telecommunications Union, International Telecommunication Union) monomode fiber (SMF of standard G.694.2, Single-Mode Fiber), and use Coarse Wavelength Division Multiplexing (CWDM, Coarse Wavelength Division Multiplexer) technology, utilize optical multiplexer that the optical multiplexed signal of different wave length is used to simple optical fiber and transmitted.The speed of each wavelength of transmission is 10Gbps, and implementation is 4 * 10Gbps;

The transmission range 2m of 40GBASE-FR, to 2km, is used and meets the G.693 SMF of standard of ITU, is also to use single wavelength (1310nm or 1550nm) to be transmitted, and the speed of wavelength is 41.25Gbps.

Although the 40G interface has been widely used at present, but for the existing 10G product still used of compatibility, the 40G pattern is also supported the 4*10G pattern simultaneously, but in this case, pmd layer can only be used the 40GBASE-SR4 standard, transmission range only has 0.5 to 150m, can't realize long line transmission, and, in normal 10G ethernet specification, 10GBASE-LR and the 10GBASE-ER of IEEE802.3e definition, can transmit respectively the distance of 10km and 40km.

In existing 40G high-speed interface design, in order to reach the long Distance Transmission of 10G effect, can realize by the scheme of Fig. 1 long Distance Transmission.Exchange chip provides 4 10G MAC chips to be connected with physical chip by 4 XFI interfaces, physical chip is realized Physical Coding Sublayer (PCS, Physical Coding Sublayer)/physical medium Access Layer (PMA, Physical Media Access)/pmd layer function, physical chip also provides 4 SFI interfaces to be connected respectively to the SFP+ optical module of 4 10G, thereby construct a 4*10G system, realize long Distance Transmission.

But, there is following defect in method as shown in Figure 1: the hardware designs that 1, needs to revise switching card, the 40G port design of standard is become to 4 10G interfaces, the product that specific implementation the obtains 10G module of can only pegging graft, and can't compatiblely use the 40G module carry out the transmission of 40G business.2, when needs carry out the 40G transmission, these 4 10G interfaces need to be arranged to aggregated links and carry out the 40G transmission, but the 40G system that this mode reaches can not really be accomplished load balancing, actual bandwidth does not reach 40G.

Visible, after prior art is changed into the mounting hardware port of 10G by the 40G port design of 40G switching card, the business of compatible 40G transmission effectively.

Summary of the invention

In view of this, the embodiment of the present invention provides a kind of Ethernet electrical interface rough set theory device, Ethernet electrical interface control method and device, 40G switching card, in order to after solving prior art the 40G port design of 40G switching card being changed into to the mounting hardware port of 10G, the problem of the business of compatible 40G transmission effectively.

Embodiment of the present invention technical scheme is as follows:

A kind of Ethernet electrical interface rough set theory device comprises: four-way hot plug compact package module QSFP+ interface module, acquisition control module and at least one hot plug compact package module SFP+ socket; The QSFP+ interface module comprises data channel interface and Control on Communication channel interface; The SFP+ socket comprises data channel interface and Control on Communication channel interface;

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

The QSFP+ interface module, for receiving the unlatching control signal from CPU by the Control on Communication channel interface; Receive the data-signal from the 40G switching card by data channel interface, will send to from the data-signal of SFP+ socket the 40G switching card;

Acquisition control module, during for the access of the CPU obtaining the 40G switching card, provide the type of device value of the described conversion equipment prestored; And, to pass through from the unlatching control signal of QSFP+ module the Control on Communication channel interface of SFP+ socket, wherein, opening control signal is the CPU of 40G switching card identifies the type of described conversion equipment according to the type of device value of described conversion equipment after, sends by the Control on Communication passage;

The SFP+ socket, for receive the unlatching control signal by the Control on Communication channel interface after, the turn-on data channel interface, and will send to from the data-signal of QSFP+ interface module the SFP+ optical module, will send to from the data-signal of SFP+ optical module the QSFP+ interface module.

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

Acquisition control module, also for after receiving the reiving/transmitting state signal that the SFP+ socket sends by the state-detection passage, record this reiving/transmitting state signal, and sending the IntL signal by the interrupt signal passage to the 40G switching card, the IntL signal obtains recorded reiving/transmitting state signal for the CPU that triggers the 40G switching card from acquisition control module; And,

The state control signal that will receive by the Control on Communication passage passes through the SFP+ socket, wherein, state control signal is that the CPU of 40G switching card obtains recorded reiving/transmitting state signal post analysis and obtains the reiving/transmitting state type from acquisition control module, according to this reiving/transmitting state type, carries out corresponding control and sends by the Control on Communication passage;

The SFP+ socket, also, for after the signal transmitting and receiving state variation being detected, send the reiving/transmitting state signal by the state-detection passage; And, after receiving state control signal by the Control on Communication passage, according to state control signal, open or close accessed data channel.

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

Optical module resets and controls ResetL signalling channel, optical module access control Modse1L signalling channel and optical module mode of operation LPMode signalling channel; And,

The ResetL signalling channel of 40G switching card is by the QSFP+ socket of 40G switching card, the transmitting terminal of the SFP+ socket that the QSFP+ interface module of described conversion equipment and acquisition control module are connected to described conversion equipment is closed the TX_Disable signalling channel, the Modse1L signalling channel of 40G switching card is by the QSFP+ socket of 40G switching card, the speed of the SFP+ socket that the QSFP+ interface module of described conversion equipment and acquisition control module are connected to described conversion equipment is selected the RS1 signalling channel, the LPMode signalling channel of 40G switching card is by the QSFP+ socket of 40G switching card, the speed of the SFP+ socket that the QSFP+ interface module of described conversion equipment and acquisition control module are connected to described conversion equipment is selected the RS0 signalling channel, ,

The unlatching control signal received specifically comprises:

The ResetL signalling channel output low level signal of 40G switching card is to the TX_Disable signalling channel of the SFP+ socket of described conversion equipment, the Modse1L signalling channel output high level signal of 40G switching card is to the RS1 signalling channel of the SFP+ socket of described conversion equipment, and the LPMode signalling channel of 40G switching card 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 comprises: there are flag bit Mod_ABS signalling channel in transmitting terminal faulty indication TX_Fault signalling channel, dropout Rx_Los signalling channel and optical module;

, the reiving/transmitting state signal comprises: by the high/low level signal of TX_Fault signalling channel output, or by the high level signal of Rx_Los signalling channel output, or by the high/low level signal of Mod_ABS signalling channel output;

State control signal specifically comprises: for the TX_Fault signal of high level, and the TX_Disable signalling channel by ResetL signalling channel output high level signal to the SFP+ socket of described conversion equipment; For low level TX_Fault signal, the TX_Disable signalling channel by ResetL signalling channel output low level signal to the SFP+ socket of described conversion equipment; For the Rx_Los signal of high level, the TX_Disable signalling channel by ResetL signalling channel output high level signal to the SFP+ socket of described conversion equipment; For the Mod_ABS signal of high level, the TX_Disable signalling channel by ResetL signalling channel output high level signal to the SFP+ socket of described conversion equipment; For low level Mod_ABS signal, the TX_Disable signalling channel by ResetL signalling channel output low level signal to the SFP+ socket of described conversion equipment.

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

Acquisition control module, provide the type of device value of the described conversion equipment prestored specifically for the CPU that is the 40G switching card by the I2C bus;

The IntL signal obtains recorded reiving/transmitting state signal specifically for the CPU that triggers the 40G switching card by the I2C bus from acquisition control module.

Further, described conversion equipment also comprises: power module;

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

A kind of Ethernet electrical interface control method, the Ethernet electrical interface comprises QSFP+ interface and the too net electrical interface rough set theory device as above of 40G switching card, the method comprises: in the QSFP+ socket of 40G switching card after jockey, the acquisition control module of 40G switching card detects low level optical module and has the flag bit signal, and the output interrupt signal is to the CPU of 40G switching card; The CPU of 40G switching card is the reading device types value from the device be connected with the QSFP+ socket; When the type of device value read is indicated in the situation that this device is the QSFP+ optical module, CPU is configured to the 1*40G pattern by the switching port of 40G switching card, and send and open control signal to the QSFP+ optical module by the Control on Communication passage, this unlatching control signal is communicated with for arranging the data channel that the 40G switching card is connected with the QSFP+ optical module; When the type of device value read is indicated in the situation that this device is described Ethernet electrical interface rough set theory device, CPU is configured to the 4*10G pattern by switching port, and send and open control signal to described Ethernet electrical interface rough set theory device by the Control on Communication passage, this unlatching control signal is communicated with for arranging the data channel that the 40G switching card is connected with described Ethernet electrical interface rough set theory device.

Preferably, described method also comprises: the acquisition control module of 40G switching card will pass through CPU from the interruption IntL signal of the described Ethernet electrical interface rough set theory device be connected, this IntL signal is after described Ethernet electrical interface rough set theory device detects the signal transmitting and receiving state variation, produce and preserve the reiving/transmitting state signal, send according to preserved reiving/transmitting state signal; CPU reads the reiving/transmitting state signal from the described Ethernet electrical interface rough set theory device be connected, analysis obtains the reiving/transmitting state type, carry out corresponding control, produce corresponding state control signal according to this reiving/transmitting state type, by the Control on Communication passage, send state control signal; Wherein, this state control signal indicates described conversion Ethernet electrical interface compatible apparatus correspondingly to open or close the SFP+ optical module be connected with described conversion Ethernet electrical interface compatible apparatus.

Particularly, for the QSFP+ optical module, open control signal and specifically comprise: the optical module of high level resets and controls ResetL signal, low level optical module access control Modse1L signal and low level optical module mode of operation LPMode signal;

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

Low level optical module resets and controls ResetL signal, the optical module access control Modse1L signal of high level and the optical module mode of operation LPMode signal of high level; Wherein, the ResetL signal is sent to the transmitting terminal faulty indication TX_Disable signalling channel of described Ethernet electrical interface rough set theory device, the Modse1L signal is sent to the speed of described Ethernet electrical interface rough set theory device and selects the RS1 signalling channel, and the LPMode signal is sent to the speed of described Ethernet electrical interface rough set theory device and selects the RS0 signalling channel.

Particularly, the reiving/transmitting state signal comprises: the high/low level signal of exporting by the TX_Fault signalling channel of described Ethernet electrical interface rough set theory device, the high level signal of perhaps exporting by the Rx_Los signalling channel of described Ethernet electrical interface rough set theory device, or the high/low level signal of exporting by the Mod_ABS signalling channel of described Ethernet electrical interface rough set theory device;

State control signal specifically comprises: for the TX_Fault signal of high level, and the ResetL signal that state control signal is high level; For low level TX_Fault signal, state control signal is low level ResetL signal; For the Rx_Los signal of high level, the ResetL signal that state control signal is high level; For the Mod_ABS signal of high level, the ResetL signal that state control signal is high level; For low level Mod_ABS signal, state control signal is low level ResetL signal; Wherein, the ResetL signal is sent to the TX_Disable signalling channel of described Ethernet electrical interface rough set theory device; Wherein, be sent to the low level signal of the TX_Disable signalling channel of described Ethernet electrical interface rough set theory device, be used to indicate described Ethernet electrical interface rough set theory device and open the SFP+ optical module be connected with described Ethernet electrical interface rough set theory device, be sent to the high level signal of the TX_Disable signalling channel of described Ethernet electrical interface rough set theory device, be used to indicate described Ethernet electrical interface rough set theory device and close the SFP+ optical module be connected with described Ethernet electrical interface rough set theory device.

Wherein, the CPU of 40G switching card is the reading device types value from the device be connected with the QSFP+ socket, specifically comprises: reading device types value the I2C logical address of the device that the CPU of 40G switching card is connected from the QSFP+ socket with the 40G switching card by the I2C bus;

CPU reads the reiving/transmitting state signal from the described Ethernet electrical interface rough set theory device be connected, and specifically comprises: CPU reads the reiving/transmitting state signal by the I2C bus from the described Ethernet electrical interface rough set theory device be connected.

Further, the 40G switching card provides operating voltage signal and ground signalling for the described Ethernet electrical interface rough set theory device be connected.

A kind of Ethernet electrical interface control device, the Ethernet electrical interface comprises QSFP+ interface and the Ethernet electrical interface rough set theory device as above of 40G switching card, this device comprises: read module, for after receiving interrupt signal, reading device types value from the device be connected with 40G switching card QSFP+ socket; Wherein, this interrupt signal is in the QSFP+ socket of 40G switching card after jockey, and the acquisition control module of 40G switching card detects low level optical module and exists after the flag bit signal and to send; Configuration module, for the type of device value read when read module, indicate in the situation of this device for the QSFP+ optical module, the switching port of 40G switching card is configured to the 1*40G pattern, when the type of device value read, indicate in the situation that this device is described Ethernet electrical interface rough set theory device, CPU is configured to the 4*10G pattern by switching port; Open control module, send the unlatching control signal by the Control on Communication passage to the QSFP+ optical module be connected or described Ethernet electrical interface rough set theory device, this unlatching control signal is communicated with for arranging the data channel that the 40G switching card is connected with the QSFP+ optical module, perhaps, arrange and be communicated with the data channel that the 40G switching card is connected with described Ethernet electrical interface rough set theory device.

Preferably, read module, also for: after receiving interrupt signal, from the described Ethernet electrical interface rough set theory device be connected, read the reiving/transmitting state signal; This IntL signal is, after described Ethernet electrical interface rough set theory device detects the signal transmitting and receiving state variation, to produce and preserve the reiving/transmitting state signal, according to preserved reiving/transmitting state signal send, and QSFP+ socket transparent transmission by the 40G switching card; ,

Described device also comprises: status control module, obtain the reiving/transmitting state type for analyzing the reiving/transmitting state signal that described read module reads, carry out corresponding control, produce corresponding state control signal according to this reiving/transmitting state type, by the Control on Communication passage, send state control signal; Wherein, this state control signal indicates described conversion Ethernet electrical interface compatible apparatus correspondingly to open or close the SFP+ optical module be connected with described conversion Ethernet electrical interface compatible apparatus.

Particularly, open control module, specifically for: for the QSFP+ optical module, send the following control signal of opening: the optical module of high level resets and controls ResetL signal, low level optical module access control Modse1L signal and low level optical module mode of operation LPMode signal; For described Ethernet electrical interface rough set theory device, send the following control signal of opening: low level optical module resets and controls ResetL signal, the optical module access control Modse1L signal of high level and the optical module mode of operation LPMode signal of high level; Wherein, the ResetL signal is sent to the transmitting terminal faulty indication TX_Disable signalling channel of described Ethernet electrical interface rough set theory device, the Modse1L signal is sent to the speed of described Ethernet electrical interface rough set theory device and selects the RS1 signalling channel, and the LPMode signal is sent to the speed of described Ethernet electrical interface rough set theory device and selects the RS0 signalling channel.

Particularly, the reiving/transmitting state signal that read module reads comprises: the high/low level signal of exporting by the TX_Fault signalling channel of described Ethernet electrical interface rough set theory device, the high level signal of perhaps exporting by the Rx_Los signalling channel of described Ethernet electrical interface rough set theory device, or the high/low level signal of exporting by the Mod_ABS signalling channel of described Ethernet electrical interface rough set theory device; ;

Status control module, specifically for: for the TX_Fault signal of high level, the ResetL signal that the transmission state control signal is high level; For low level TX_Fault signal, sending state control signal is low level ResetL signal; For the Rx_Los signal of high level, the ResetL signal that the transmission state control signal is high level; For the Mod_ABS signal of high level, the ResetL signal that the transmission state control signal is high level; For low level Mod_ABS signal, sending state control signal is low level ResetL signal; Wherein, the ResetL signal is sent to the TX_Disable signalling channel of the described Ethernet electrical interface rough set theory device be connected; Wherein, be sent to the low level signal of the TX_Disable signalling channel of the described Ethernet electrical interface rough set theory device be connected, be used to indicate described Ethernet electrical interface rough set theory device and open the SFP+ optical module be connected with described Ethernet electrical interface rough set theory device, be sent to the high level signal of the TX_Disable signalling channel of the described Ethernet electrical interface rough set theory device be connected, be used to indicate described Ethernet electrical interface rough set theory device and close and the SFP+ optical module be connected to described Ethernet electrical interface rough set theory device.

Particularly, described read module, specifically for: by I2C bus reading device types value from the I2C logical address of the device of the QSFP+ socket of the 40G switching card that is connected; Read the reiving/transmitting state signal by the I2C bus from the described Ethernet electrical interface rough set theory device be connected.

A kind of 40G switching card, comprise Ethernet electrical interface control device as above.

The Ethernet electrical interface rough set theory device provided according to the embodiment of the present invention, the QSFP+ interface module is set in this conversion equipment, at least one SFP+ socket and acquisition control module, the data channel interface of QSFP+ interface module is connected with the Control on Communication passage is corresponding with the data channel of 40G switching card respectively with the QSFP+ socket of Control on Communication channel interface by the 40G switching card, acquisition control module, connect the Control on Communication channel interface of QSFP+ interface module and the Control on Communication channel interface of SFP+ socket, also with the CPU of 40G switching card, be connected, the data channel interface of SFP+ socket connects the data channel interface of QSFP+ interface module, and connection SFP+ optical module, acquisition control module is when the access of the CPU that obtains the 40G switching card, the type of device value of the described conversion equipment prestored is provided, and, to pass through from the unlatching control signal of QSFP+ module the Control on Communication channel interface of SFP+ socket, after the SFP+ socket receives and opens control signal, the turn-on data channel interface, make the SFP+ optical module and the 40G switching card that are connected with the SFP+ socket carry out data communication, thereby, by this conversion equipment SFP+ interface that can effectively to realize the QSFP+ interface conversion of 40G be 10G, realize the 10G business transmission of long distance.

And, the Ethernet electrical interface rough set theory device provided according to the embodiment of the present invention and Ethernet electrical interface control method, without the 40G switching card being made to hardware, change, on the basis of existing 40G switching card, can effectively identify the device that inserts the 40G switching card is the QSFP+ optical module of 40G or the described conversion equipment that the embodiment of the present invention provides, can be on the basis of existing 40G switching card, effectively realize the compatibility to the SFP+ optical module of the QSFP+ optical module of 40G and 10G, the compatibility of also the transmission of 40G business and 10G business being transmitted; Thereby, after can solving prior art the 40G port design of 40G switching card being changed into to the mounting hardware port of 10G, the problem of compatible 40G business transmission effectively.

Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification write, claims and accompanying drawing.

The accompanying drawing explanation

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

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;

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

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

Embodiment

Below in conjunction with accompanying drawing, embodiments of the invention are described, should be appreciated that embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.

After for prior art, the 40G port design of 40G switching card being changed into to the mounting hardware port of 10G, the problem that the business of compatible 40G is transmitted effectively, the embodiment of the present invention provides a kind of Ethernet electrical interface rough set theory device, Ethernet electrical interface control method and device, 40G switching card, in order to address this problem.

At first the embodiment of the present invention provides a kind of Ethernet electrical interface rough set theory device, by this device, without the 40G switching card being made to hardware, change, insert the Ethernet electrical interface rough set theory device that the embodiment of the present invention provides on existing 40G switching card, and insert the SFP+ optical module on this Ethernet electrical interface rough set theory device, can realize the 10G business transmission of long distance.

The embodiment of the present invention also provides a kind of Ethernet electrical interface control method, according to the method, the 40G switching card is by reading the type of device value of the device that is inserted into the 40G switching card, can identify inserted device is the QSFP+ optical module of 40G or the Ethernet electrical interface rough set theory device that the embodiment of the present invention provides, and in 40G switching card inside, port mode is set, for inserted device provides the unlatching control signal, with the data channel that is communicated with the 40G switching card and the data channel that is inserted into the device of 40G switching card, realize transfer of data.

Thereby, according to the technical scheme of the embodiment of the present invention, can be effectively on the basis of existing 40G switching card, realize the compatibility to the SFP+ optical module of the QSFP+ optical module of 40G and 10G, the compatibility of also the transmission of 40G business and 10G business being transmitted; Thereby, after can solving prior art the 40G port design of 40G switching card being changed into to the mounting hardware port of 10G, the problem of compatible 40G business transmission effectively.

Below the embodiment of the present invention is elaborated.

Embodiment mono-

As shown in Figure 2, existing 40G switching card comprises CPU31, acquisition control module 32, switching system 33 and QSFP+ socket (QSFP+cage) 34, between CPU31 and acquisition control module 32, by local bus interface, communicate by letter, pass through the PCIe interface communication between CPU31 and switching system 33, switching system 33 outwards provides data channel (passage Lane0, Lane1, Lane2, lane3), and acquisition control module 32 outwards provides the Control on Communication passage.Wherein, during acquisition control module 32 specific implementation, usually adopt the CPLD device to realize.

Fig. 2 shows the structure of the Ethernet electrical interface rough set theory device that the embodiment of the present invention provides (also can referred to as described conversion equipment), comprising: QSFP+ interface module 21, acquisition control module 23 and at least one SFP+ socket 22; QSFP+ interface module 21 comprises data channel interface and Control on Communication channel interface; SFP+ socket 22 comprises data channel interface and Control on Communication channel interface;

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

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

QSFP+ interface module 21, for receiving the unlatching control signal from CPU31 by the Control on Communication channel interface; Receive the data-signal from the 40G switching card by data channel interface, will send to from the data-signal of SFP+ socket 22 the 40G switching card;

The acquisition control module 23 of described conversion equipment, during for the access of the CPU31 obtaining the 40G switching card, provide the type of device value of the described conversion equipment prestored; And, to pass through from the unlatching control signal of QSFP+ module 21 the Control on Communication channel interface of SFP+ socket 22, wherein, opening control signal is the CPU31 of 40G switching card identifies the type of described conversion equipment according to the type of device value of described conversion equipment after, sends by the Control on Communication passage;

Particularly, the CPU31 that the acquisition control module 23 of described conversion equipment is the 40G switching card by the I2C bus provides the type of device value of the described conversion equipment prestored; According to normalized definition, the I2C logical address of described conversion equipment is 0X50, and offset address is 0X80, and the value of the type of the described conversion equipment prestored is 0X0E, and correspondingly, according to normalized definition, the value of the type of QSFP+ optical module is 0X0D;

When specific implementation, the acquisition control module 23 of described conversion equipment can realize by the CPLD device;

Particularly, the Control on Communication passage of 40G switching card comprises:

Optical module resets and controls ResetL signalling channel, optical module access control Modse1L signalling channel and optical module mode of operation LPMode signalling channel, and, the ResetL signalling channel of 40G switching card is by the QSFP+ socket 34 of 40G switching card, the QSFP+ interface module 21 of described conversion equipment and acquisition control module 23 are connected to the transmitting terminal of the SFP+ socket of described conversion equipment and close the TX_Disable signalling channel, the Modse1L signalling channel of 40G switching card is by the QSFP+ socket 34 of 40G switching card, the QSFP+ interface module 21 of described conversion equipment and acquisition control module 23 are connected to the speed of the SFP+ socket 22 of described conversion equipment and select the RS1 signalling channel, the LPMode signalling channel of 40G switching card is by the QSFP+ socket 34 of 40G switching card, the QSFP+ interface module 21 of described conversion equipment and acquisition control module 23 are connected to the speed of the SFP+ socket 22 of described conversion equipment and select the RS0 signalling channel,

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

Table 1

The normalized definition of the low speed control signal of SFP+ optical module has been shown in table 2;

Table 2

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

SFP+ socket 22, for receive the unlatching control signal by the Control on Communication channel interface after, the turn-on data channel interface, and will send to from the data-signal of QSFP+ interface module 21 the SFP+ optical module, will send to from the data-signal of SFP+ optical module QSFP+ interface module 21.

Particularly, described conversion equipment also comprises: power module 24, the power interface of QSFP+ interface module 21 is connected with the power channel of 40G switching card, power module 24 is connected with the power interface of QSFP+ interface module 21, power module 24 obtains operating voltage signal and ground signalling from the 40G switching card, according to the operating voltage signal obtained, for described conversion equipment, provides the operating voltage signal.

The Ethernet electrical interface control method provided below in conjunction with the embodiment of the present invention illustrates the operation principle of the electrical interface of Ethernet shown in Fig. 2 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, and the method comprises:

In the QSFP+ socket 34 of step 301,40G switching card after jockey, the acquisition control module 32 of 40G switching card detects low level optical module and has flag bit Mod_ABS signal (reference table 2), and the CPU31 of IntL signal to the 40G switching card interrupted in output;

The CPU31 of step 302,40G switching card is the reading device types value from the device be connected with QSFP+ socket 34;

Reading device types value the I2C logical address of the device that particularly, the CPU31 of 40G switching card is connected from the QSFP+ socket 34 with the 40G switching card by the I2C bus; In the situation that device that the QSFP+ socket 34 with the 40G switching card is connected is described conversion equipment, the CPU31 of 40G switching card is by I2C bus reading device types value from the I2C logical address of the acquisition control module 23 of described conversion equipment; And as mentioned above, the I2C logical address of described conversion equipment is 0X50, offset address is 0X80, prestores the types value of described conversion equipment in this address, and this value is 0X0E, and correspondingly, according to normalized definition, the types value of QSFP+ optical module is 0X0D;

The 40G switching card, by the type of device value prestored in the logical address that reads the device that is inserted into QSFP+ socket 34, can identify the type of the device be connected effectively;

Step 303, indicate this device in the situation of QSFP+ optical module (types value that also reads the QSFP+ optical module is 0X0D) when the type of device value read, CPU31 is configured to the 1*40G pattern by the switching port of 40G switching card, and send and open control signal to the QSFP+ optical module by the Control on Communication passage, this unlatching control signal is communicated with for arranging the data channel that the 40G switching card is connected with the QSFP+ optical module;

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

Step 304, indicate this device in the situation of described Ethernet electrical interface rough set theory device (also reading the described types value of changing is 0X0E) when the type of device value read, CPU31 is configured to the 4*10G pattern by switching port, and send and open control signal to described Ethernet electrical interface rough set theory device by the Control on Communication passage, this unlatching control signal is communicated with for arranging the data channel that the 40G switching card is connected with described Ethernet electrical interface rough set theory device;

Particularly, for inserted Ethernet electrical interface rough set theory device, open control signal and specifically comprise: the Modse1L signal of low level ResetL signal, high level and the LPMode signal of high level; Wherein, the ResetL signal is sent to the TX_Disable signalling channel of the described Ethernet electrical interface rough set theory device be connected, the Modse1L signal is sent to the RS1 signalling channel of the described Ethernet electrical interface rough set theory device be connected, the LPMode signal is sent to the RS0 signalling channel of the described Ethernet electrical interface rough set theory device be connected, specifically referring to table 1 and table 2;

Be also, the TX_Disable signalling channel of the SFP+ socket 22 of described Ethernet electrical interface rough set theory device receives low level signal, RS1 signalling channel and RS0 signalling channel and receives high level signal, make the SFP+ socket 22 turn-on data passages of described conversion equipment, thereby make the SFP+ optical module of the SFP+ socket 22 that is inserted into described conversion equipment can carry out the business transmission.

By above-mentioned steps 303 and step 304, the embodiment of the present invention is converted to the coherent signal of QSFP+ in the 40G switching card unlatching control signal of QSFP+ optical module to inserting the 40G switching card or the SFP+ optical module by described Ethernet electrical interface rough set theory device insertion, can effectively to the Ethernet electrical interface, be controlled.

Particularly, the 40G switching card also provides operating voltage signal and ground signalling for the described Ethernet electrical interface rough set theory device inserted.

According to the Ethernet electrical interface rough set theory device shown in Fig. 2, the QSFP+ interface module is set in this conversion equipment, at least one SFP+ socket and acquisition control module, the data channel interface of QSFP+ interface module is connected with the Control on Communication passage is corresponding with the data channel of 40G switching card respectively with the QSFP+ socket of Control on Communication channel interface by the 40G switching card, acquisition control module, connect the Control on Communication channel interface of QSFP+ interface module and the Control on Communication channel interface of SFP+ socket, also with the CPU of 40G switching card, be connected, the data channel interface of SFP+ socket connects the data channel interface of QSFP+ interface module, and connection SFP+ optical module, acquisition control module is when the access of the CPU that obtains the 40G switching card, the type of device value of the described conversion equipment prestored is provided, and, to pass through from the unlatching control signal of QSFP+ module the Control on Communication channel interface of SFP+ socket, after the SFP+ socket receives and opens control signal, the turn-on data channel interface, make the SFP+ optical module and the 40G switching card that are connected with the SFP+ socket carry out data communication, thereby, by this conversion equipment SFP+ interface that can effectively to realize the QSFP+ interface conversion of 40G be 10G, realize the 10G business transmission of long distance.

And, according to the Ethernet electrical interface rough set theory device shown in Fig. 3 and Ethernet electrical interface control method, without the 40G switching card being made to hardware, change, on the basis of existing 40G switching card, can effectively identify the device that inserts the 40G switching card is the QSFP+ optical module of 40G or the described conversion equipment that the embodiment of the present invention provides, can be on the basis of existing 40G switching card, effectively realize the compatibility to the SFP+ optical module of the QSFP+ optical module of 40G and 10G, the compatibility of also the transmission of 40G business and 10G business being transmitted; Thereby, after can solving prior art the 40G port design of 40G switching card being changed into to the mounting hardware port of 10G, the problem of compatible 40G business transmission effectively.

Embodiment bis-

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 to the interrupt signal passage of 40G switching card, acquisition control module 23 is connected to the interrupt signal interface of QSFP+ interface module 21, and acquisition control module 23 also is connected to the state-detection passage of SFP+ socket 22;

The acquisition control module 23 of described conversion equipment, also for after receiving the reiving/transmitting state signal that SFP+ socket 22 sends by the state-detection passage, record this reiving/transmitting state signal, and sending the IntL signal by the interrupt signal passage to the 40G switching card, the IntL signal obtains recorded reiving/transmitting state signal for the CPU31 that triggers the 40G switching card from the acquisition control module 23 of described conversion equipment; Particularly, the IntL signal obtains recorded reiving/transmitting state signal specifically for the CPU31 that triggers the 40G switching card from acquisition control module 23 by the I2C bus;

And, the state control signal that the acquisition control module 23 of described conversion equipment will receive by the Control on Communication passage passes through SFP+ socket 22, wherein, state control signal is that the CPU of 40G switching card obtains recorded reiving/transmitting state signal post analysis and obtains the reiving/transmitting state type from the acquisition control module 23 of described conversion equipment, according to this reiving/transmitting state type, carries out corresponding control and sends by the Control on Communication passage;

SFP+ socket 22, also, for after the signal transmitting and receiving state variation being detected, send the reiving/transmitting state signal by the state-detection passage; And, after receiving state control signal by the Control on Communication passage, according to state control signal, open or close accessed data channel;

Particularly, the state-detection passage of SFP+ socket 22 comprises: there are flag bit Mod_ABS signalling channel in transmitting terminal faulty indication TX_Fault signalling channel, dropout Rx_Los signalling channel and optical module, concrete reference table 2;

State control signal specifically comprises: for the TX_Fault signal of high level, and the TX_Disable signalling channel by ResetL signalling channel output high level signal to the SFP+ socket 22 of described conversion equipment; For low level TX_Fault signal, the TX_Disable signalling channel by ResetL signalling channel output low level signal to the SFP+ socket 22 of described conversion equipment; For the Rx_Los signal of high level, the TX_Disable signalling channel by ResetL signalling channel output high level signal to the SFP+ socket 22 of described conversion equipment; For the Mod_ABS signal of high level, the TX_Disable signalling channel by ResetL signalling channel output high level signal to the SFP+ socket 22 of described conversion equipment; For low level Mod_ABS signal, the TX_Disable signalling channel by ResetL signalling channel output low level signal to the SFP+ socket 22 of described conversion equipment.

The Ethernet electrical interface control method provided below in conjunction with the embodiment of the present invention illustrates the operation principle of the electrical interface of Ethernet shown in Fig. 4 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, and the method comprises:

The acquisition control module 32 of step 501,40G switching card will pass through CPU31 from the interruption IntL signal of the described Ethernet electrical interface rough set theory device be connected, this IntL signal is after described Ethernet electrical interface rough set theory device detects the signal transmitting and receiving state variation, produce and preserve the reiving/transmitting state signal, send according to preserved reiving/transmitting state signal;

Step 502, CPU31 read the reiving/transmitting state signal from the described Ethernet electrical interface rough set theory device be connected, analysis obtains the reiving/transmitting state type, carry out corresponding control, produce corresponding state control signal according to this reiving/transmitting state type, by the Control on Communication passage, send state control signal; Wherein, this state control signal indicates described conversion Ethernet electrical interface compatible apparatus correspondingly to open or close the SFP+ optical module be connected with described conversion Ethernet electrical interface compatible apparatus.

Particularly, CPU31 reads the reiving/transmitting state signal by the I2C bus from the described Ethernet electrical interface rough set theory device be connected; More specifically, CPU31 reads the reiving/transmitting state signal by the I2C bus from the acquisition control module 23 of described conversion equipment;

Particularly, the reiving/transmitting state signal comprises: by the high/low level signal of TX_Fault signalling channel output, perhaps by the high level signal of Rx_Los signalling channel output, or by the high/low level signal of Mod_ABS signalling channel output, specifically referring to table 2;

, state control signal specifically comprises: for the TX_Fault signal of high level, and the ResetL signal that state control signal is high level; For low level TX_Fault signal, state control signal is low level ResetL signal; For the Rx_Los signal of high level, the ResetL signal that state control signal is high level; For the Mod_ABS signal of high level, the ResetL signal that state control signal is high level; For low level Mod_ABS signal, state control signal is low level ResetL signal; Wherein, the ResetL signal is sent to the TX_Disable signalling channel of the described Ethernet electrical interface rough set theory device be connected, specifically referring to table 1 and table 2.

Be sent to the low level signal of the TX_Disable signalling channel of the described Ethernet electrical interface rough set theory device be connected, be used to indicate described Ethernet electrical interface rough set theory device and open the SFP+ optical module be connected with described Ethernet electrical interface rough set theory device, be sent to the high level signal of the TX_Disable signalling channel of the described Ethernet electrical interface rough set theory device be connected, be used to indicate described Ethernet electrical interface rough set theory device and close the SFP+ optical module be connected with described Ethernet electrical interface rough set theory device.

Be also, for the Tx_Fault signal, have fault in the situation that this signal is high level pilot light module, by the ResetL signalling channel, send the TX_Disable signalling channel of high level signal to described Ethernet electrical interface rough set theory device, transmitting terminal is closed in indication; For the RX_Los signal, in the situation that the light intensity that this signal is high level pilot light module to be received is too weak, send the TX_Disable signalling channel of high level signal to described Ethernet electrical interface rough set theory device by the ResetL signalling channel, transmitting terminal is closed in indication; For the Mod_ABS signal, in the situation that being high level pilot light module, pulls out this signal, send the TX_Disable signalling channel of high level signal to described Ethernet electrical interface rough set theory device by the ResetL signalling channel, transmitting terminal is closed in indication.

Thereby, the variation of the SFP+ socket detection receiving and transmitting signal state of the Ethernet electrical interface rough set theory device provided by the embodiment of the present invention, and send the reiving/transmitting state signal according to this variation, the CPU of 40G switching card obtains the reiving/transmitting state type according to this reiving/transmitting state signal analysis, carry out corresponding control according to this reiving/transmitting state type, produce corresponding state control signal, send state control signal by the Control on Communication passage, the state variation in the SFP+ optical module business transmission of 10G can effectively be detected, close the SFP+ optical module in fault or lossing signal, extend the useful life of optical module, and isolated fault module, and close optical module in link idle, play energy-conservation effect.

Embodiment tri-

Based on identical inventive concept, the embodiment of the present invention also provides a kind of Ethernet electrical interface control device, and this device is arranged in the CPU of 40G switching card.

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

Read module 61, for after receiving interrupt signal, reading device types value from the device be connected with 40G switching card QSFP+ socket; Wherein, this interrupt signal is in the QSFP+ socket of 40G switching card after jockey, and the acquisition control module of 40G switching card detects low level optical module and exists after the flag bit signal and to send;

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

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

Open control module 63, be connected to configuration module 62, send the unlatching control signal by the Control on Communication passage to the QSFP+ optical module be connected or described Ethernet electrical interface rough set theory device, this unlatching control signal is communicated with for arranging the data channel that the 40G switching card is connected with the QSFP+ optical module, perhaps, arrange and be communicated with the data channel that the 40G switching card is connected with described Ethernet electrical interface rough set theory device.

Particularly, for the QSFP+ optical module, open control module 63 and send the following control signal of opening: the optical module of high level resets and controls ResetL signal, low level optical module access control Modse1L signal and low level optical module mode of operation LPMode signal;

For institute's Ethernet electrical interface rough set theory device, open control module 63 and send the following control signal of opening: low level optical module resets and controls ResetL signal, the optical module access control Modse1L signal of high level and the optical module mode of operation LPMode signal of high level; Wherein, the ResetL signal is sent to the transmitting terminal faulty indication TX_Disable signalling channel of described Ethernet electrical interface rough set theory device, the Modse1L signal is sent to the speed of described Ethernet electrical interface rough set theory device and selects the RS1 signalling channel, and the LPMode signal is sent to the speed of described Ethernet electrical interface rough set theory device and selects the RS0 signalling channel.

By device as shown in Figure 6, by reading the type of device value of the Ethernet electrical interface be inserted in the 40G switching card, and configure the pattern of the switching port of 40G switching card according to this type of device value, and send and open control signal to the Ethernet electrical interface inserted, be communicated with 40G switching card and the data channel that is inserted into the Ethernet electrical interface of 40G switching card, thereby can effectively to the Ethernet electrical interface that is inserted into the 40G switching card, be controlled, can be on the basis of the hardware configuration that does not change existing 40G switching card, the compatibility of the SFP+ optical module of the 10G that realization is inserted the QSFP+ optical module of 40G and the Ethernet electrical interface rough set theory device that provides by the embodiment of the present invention, thereby after can solving in prior art the 40G port design of 40G switching card being changed into to the mounting hardware port of 10G, the problem of can't be effectively compatible 40G business transmission.

Further, as shown in Figure 7, on the basis of Fig. 6 shown device, the embodiment of the present invention provides the control device of Ethernet electrical interface, also comprises: status control module 64;

Read module 61, also for: after the interrupt signal from described Ethernet electrical interface rough set theory device of the QSFP+ socket transparent transmission that receives the 40G switching card, from inserted described Ethernet electrical interface rough set theory device, read the reiving/transmitting state signal; This IntL signal is, after described Ethernet electrical interface rough set theory device detects the signal transmitting and receiving state variation, to produce and preserve the reiving/transmitting state signal, according to preserved reiving/transmitting state signal, sends; ,

Status control module 64, be connected to read module 61, obtain the reiving/transmitting state type for analyzing the reiving/transmitting state signal that read module 61 reads, according to this reiving/transmitting state type, carry out corresponding control, produce corresponding state control signal, by the Control on Communication passage, send state control signal; Wherein, this state control signal indicates described conversion Ethernet electrical interface compatible apparatus correspondingly to open or close the SFP+ optical module be connected with described conversion Ethernet electrical interface compatible apparatus.

Particularly, the reiving/transmitting state signal that read module 61 reads comprises: the high/low level signal of exporting by the TX_Fault signalling channel of described Ethernet electrical interface rough set theory device, the high level signal of perhaps exporting by the Rx_Los signalling channel of described Ethernet electrical interface rough set theory device, or the high/low level signal of exporting by the Mod_ABS signalling channel of described Ethernet electrical interface rough set theory device; ;

Status control module 64, specifically for: for the TX_Fault signal of high level, the ResetL signal that the transmission state control signal is high level; For low level TX_Fault signal, sending state control signal is low level ResetL signal; For the Rx_Los signal of high level, the ResetL signal that the transmission state control signal is high level; For the Mod_ABS signal of high level, the ResetL signal that the transmission state control signal is high level; For low level Mod_ABS signal, sending state control signal is low level ResetL signal; Wherein, the ResetL signal is sent to the TX_Disable signalling channel of the described Ethernet electrical interface rough set theory device be connected; Wherein, be sent to the low level signal of the TX_Disable signalling channel of the described Ethernet electrical interface rough set theory device be connected, be used to indicate described Ethernet electrical interface rough set theory device and open the SFP+ optical module be connected with described Ethernet electrical interface rough set theory device, be sent to the high level signal of the TX_Disable signalling channel of the described Ethernet electrical interface rough set theory device be connected, be used to indicate described Ethernet electrical interface rough set theory device and close the SFP+ optical module be connected with described Ethernet electrical interface rough set theory device.

By the device shown in Fig. 7, obtain the reiving/transmitting state type according to the reiving/transmitting state signal analysis of reading, carry out corresponding control, produce corresponding state control signal according to this reiving/transmitting state type, send state control signal by the Control on Communication passage, the state variation in the SFP+ optical module business transmission of 10G can effectively be detected, close the SFP+ optical module in fault or lossing signal, extend the useful life of optical module, and isolated fault module, and close optical module in link idle, play energy-conservation effect.

One of ordinary skill in the art will appreciate that and realize that all or part of step that above-described embodiment method is carried is to come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, this program, when carrying out, comprises step of embodiment of the method one or a combination set of.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module usings that the form of software function module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium.

Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect fully.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code one or more.

The present invention describes with reference to flow chart and/or the block diagram of method, equipment (system) and computer program according to the embodiment of the present invention.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.

These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction be stored in this computer-readable memory produce the manufacture that comprises command device, this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.

These computer program instructions also can be loaded on computer or other programmable data processing device, make and carry out the sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out on computer or other programmable devices is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.

Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.

Claims

1. an Ethernet electrical interface rough set theory device, is characterized in that, comprising: four-way hot plug compact package module QSFP+ interface module, acquisition control module and at least one hot plug compact package module SFP+ socket; The QSFP+ interface module comprises data channel interface and Control on Communication channel interface; The SFP+ socket comprises data channel interface and Control on Communication channel interface;

2. conversion equipment according to claim 1, it is characterized in that, the interrupt signal interface of QSFP+ interface module is connected to the interrupt signal passage of 40G switching card, acquisition control module is connected to the interrupt signal interface of QSFP+ interface module, and acquisition control module also is connected to the state-detection passage of SFP+ socket;

3. conversion equipment according to claim 1 and 2, is characterized in that, the Control on Communication passage of 40G switching card comprises:

The unlatching control signal received specifically comprises:

4. conversion equipment according to claim 3, is characterized in that, the state-detection passage of SFP+ socket comprises: there are flag bit Mod_ABS signalling channel in transmitting terminal faulty indication TX_Fault signalling channel, dropout Rx_Los signalling channel and optical module;

5. conversion equipment according to claim 2, is characterized in that, the acquisition control module of described conversion equipment is connected with the CPU of 40G switching card by the I2C bus; ,

6. conversion equipment according to claim 1, is characterized in that, described conversion equipment also comprises: power module;

7. an Ethernet electrical interface control method, is characterized in that, the Ethernet electrical interface comprises QSFP+ interface and the too net electrical interface rough set theory device as described as any one in claim 1～6 of 40G switching card, and the method comprises:

In the QSFP+ socket of 40G switching card, after jockey, the acquisition control module of 40G switching card detects low level optical module and has the flag bit signal, and the output interrupt signal is to the CPU of 40G switching card;

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

When the type of device value read is indicated in the situation that this device is the QSFP+ optical module, CPU is configured to the 1*40G pattern by the switching port of 40G switching card, and send and open control signal to the QSFP+ optical module by the Control on Communication passage, this unlatching control signal is communicated with for arranging the data channel that the 40G switching card is connected with the QSFP+ optical module;

When the type of device value read is indicated in the situation that this device is described Ethernet electrical interface rough set theory device, CPU is configured to the 4*10G pattern by switching port, and send and open control signal to described Ethernet electrical interface rough set theory device by the Control on Communication passage, this unlatching control signal is communicated with for arranging the data channel that the 40G switching card is connected with described Ethernet electrical interface rough set theory device.

8. method according to claim 7, is characterized in that, described method also comprises:

The acquisition control module of 40G switching card will pass through CPU from the interruption IntL signal of the described Ethernet electrical interface rough set theory device be connected, this IntL signal is after described Ethernet electrical interface rough set theory device detects the signal transmitting and receiving state variation, produce and preserve the reiving/transmitting state signal, send according to preserved reiving/transmitting state signal;

CPU reads the reiving/transmitting state signal from the described Ethernet electrical interface rough set theory device be connected, analysis obtains the reiving/transmitting state type, carry out corresponding control, produce corresponding state control signal according to this reiving/transmitting state type, by the Control on Communication passage, send state control signal; Wherein, this state control signal indicates described conversion Ethernet electrical interface compatible apparatus correspondingly to open or close the SFP+ optical module be connected with described conversion Ethernet electrical interface compatible apparatus.

9. method according to claim 7, it is characterized in that, for the QSFP+ optical module, open control signal and specifically comprise: the optical module of high level resets and controls ResetL signal, low level optical module access control Modse1L signal and low level optical module mode of operation LPMode signal;

10. method according to claim 8, it is characterized in that, the reiving/transmitting state signal comprises: the high/low level signal of exporting by the TX_Fault signalling channel of described Ethernet electrical interface rough set theory device, the high level signal of perhaps exporting by the Rx_Los signalling channel of described Ethernet electrical interface rough set theory device, or the high/low level signal of exporting by the Mod_ABS signalling channel of described Ethernet electrical interface rough set theory device;

11. method according to claim 8, is characterized in that, the CPU of 40G switching card is the reading device types value from the device be connected with the QSFP+ socket, specifically comprises:

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

CPU reads the reiving/transmitting state signal from the described Ethernet electrical interface rough set theory device be connected, and specifically comprises:

CPU reads the reiving/transmitting state signal by the I2C bus from the described Ethernet electrical interface rough set theory device be connected.

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

13. an Ethernet electrical interface control device, is characterized in that, the Ethernet electrical interface comprises QSFP+ interface and the Ethernet electrical interface rough set theory device as described as any one in claim 1～6 of 40G switching card, and this device comprises:

Read module, for after receiving interrupt signal, reading device types value from the device be connected with 40G switching card QSFP+ socket; Wherein, this interrupt signal is in the QSFP+ socket of 40G switching card after jockey, and the acquisition control module of 40G switching card detects low level optical module and exists after the flag bit signal and to send;

Configuration module, for the type of device value read when read module, indicate in the situation of this device for the QSFP+ optical module, the switching port of 40G switching card is configured to the 1*40G pattern, when the type of device value read, indicate in the situation that this device is described Ethernet electrical interface rough set theory device, CPU is configured to the 4*10G pattern by switching port;

Open control module, send the unlatching control signal by the Control on Communication passage to the QSFP+ optical module be connected or described Ethernet electrical interface rough set theory device, this unlatching control signal is communicated with for arranging the data channel that the 40G switching card is connected with the QSFP+ optical module, perhaps, arrange and be communicated with the data channel that the 40G switching card is connected with described Ethernet electrical interface rough set theory device.

14. device according to claim 13, is characterized in that, read module, also for:

After receiving interrupt signal, from the described Ethernet electrical interface rough set theory device be connected, read the reiving/transmitting state signal; This IntL signal is, after described Ethernet electrical interface rough set theory device detects the signal transmitting and receiving state variation, to produce and preserve the reiving/transmitting state signal, according to preserved reiving/transmitting state signal send, and QSFP+ socket transparent transmission by the 40G switching card; ,

15. device according to claim 13, is characterized in that, opens control module, specifically for:

For the QSFP+ optical module, send the following control signal of opening: the optical module of high level resets and controls ResetL signal, low level optical module access control Modse1L signal and low level optical module mode of operation LPMode signal;

For described Ethernet electrical interface rough set theory device, send the following control signal of opening: low level optical module resets and controls ResetL signal, the optical module access control Modse1L signal of high level and the optical module mode of operation LPMode signal of high level; Wherein, the ResetL signal is sent to the transmitting terminal faulty indication TX_Disable signalling channel of described Ethernet electrical interface rough set theory device, the Modse1L signal is sent to the speed of described Ethernet electrical interface rough set theory device and selects the RS1 signalling channel, and the LPMode signal is sent to the speed of described Ethernet electrical interface rough set theory device and selects the RS0 signalling channel.

16. device according to claim 14, it is characterized in that, the reiving/transmitting state signal that read module reads comprises: the high/low level signal of exporting by the TX_Fault signalling channel of described Ethernet electrical interface rough set theory device, the high level signal of perhaps exporting by the Rx_Los signalling channel of described Ethernet electrical interface rough set theory device, or the high/low level signal of exporting by the Mod_ABS signalling channel of described Ethernet electrical interface rough set theory device; ;

17. device according to claim 14, is characterized in that, described read module, specifically for:

By I2C bus reading device types value from the I2C logical address of the device of the QSFP+ socket of the 40G switching card that is connected;

Read the reiving/transmitting state signal by the I2C bus from the described Ethernet electrical interface rough set theory device be connected.

18. a 40G switching card, is characterized in that, comprises Ethernet electrical interface control device as described as any one in claim 13～17.