WO2011144075A2

WO2011144075A2 - Internet data transmission apparatus, transmission line and ethernet over coaxial-cable device

Info

Publication number: WO2011144075A2
Application number: PCT/CN2011/074632
Authority: WO
Inventors: 李敏
Original assignee: 华为技术有限公司
Priority date: 2011-05-25
Filing date: 2011-05-25
Publication date: 2011-11-24
Also published as: CN102265559B; WO2011144075A3; CN102265559A

Abstract

An Internet data transmission apparatus, a transmission line and an Ethernet Over Coaxial-cable (EOC) device are disclosed, and the apparatus includes a Serial Attached Small Computer System Interface (SCSI) (SAS) socket or a Serial Advanced Technology Attachment (SATA) socket. The SAS socket or SATA socket includes at least 19 pins, wherein 4 pins are used for transmitting Internet data signals, 3 pins are used for transmitting board-on signals of an EOC modem module, 6 pins are used for transmitting power supply signals, and 6 pins are used for Inter-Integrated Circuit (I2C) control signals. The apparatus, transmission line and EOC device can reduce the cost and volume of EOC devices, and realize the capacity expansion of the EOC devices.

Description

Internet data transmission device, transmission line and EOC device

The present invention relates to the field of communications, and in particular, to an Internet data transmission device, a transmission line, and an EOC device.

Background technique

With the popularity of broadband applications, competition among operators has become increasingly fierce. Fiber-to-the-home and Category 5 line-to-home are being developed. Traditional XDSL (Digital Subscriber Line) Internet access is also hot. With the gradual development of network convergence, Radio and Television has also officially joined the team of broadband operators. For the broadcasting and TV system, how to use the majority of cable TV users that it already has, as well as its complete home coaxial cable resources, determine whether it can get a head start in the competition of triple play, EOC technology It just meets the urgent needs of the broadcasting and television system.

EOC (Ethernet Over Coaxial-Cable) technology makes full use of the existing cable TV home cable, which meets the requirements of cable TV transmission and simultaneously realizes the broadband service needs of users. Allow users to achieve broadband Internet access without changing the layout of the home cable (no need to re-lay light, Category 5, etc.). The implementation principle of EOC technology is shown in Figure 1, which mainly includes:

An integrated EOC device consisting of an ONU (Optical Network Unit) and an EOC modem module, modulating broadband service data sent by the broadband data network to a frequency band other than the cable TV band; The service data and the cable TV data are transmitted to the user side through the RF coaxial cable. On the user side, the broadband service data and the cable TV data are separated according to the frequency band by the mixing module, and the mixing module transmits the cable television data to the television device. The broadband service data is demodulated by the EOC modulation and demodulation module, and then transmitted to different devices such as a PC (Personal Computer) and a telephone terminal, thereby realizing broadband services of PCs, telephone terminals, and the like.

In an integrated EOC device, each ONU can correspond to multiple EOC modem modules, and in the path connecting the ONU and EOC modules, it involves powering the EOC modem module and EOC. The module manages and transmits broadband service data. In the prior art, in order to realize the transmission of the above different information, the connection between the ONU and the EOC is performed through different interfaces and cables.

The inventors have found that in the existing integrated EOC equipment, the ONU and the EOC modulation and demodulation module are connected through different interfaces and cables, and the cost of the integrated EOC equipment is high, large, and the heat of the EOC equipment cannot be performed. Plug and unplug, and achieve online expansion.

Summary of the invention

In view of the above, the technical problem to be solved by the present invention is to provide an Internet data transmission device, a transmission line, and an EOC device, which can reduce the cost and volume of the EOC device, and can realize the expansion of the EOC device. To this end, the embodiment of the present invention adopts the following technical solutions:

An embodiment of the present invention provides an Internet data transmission apparatus, including:

SAS socket or SATA socket, the SAS socket or SATA socket includes at least 19 pins, wherein 4 pins are used for transmitting Internet data signals, and 3 pins are used for transmitting board in-position signals of the EOC modem module Six pins are used to transmit power signals and six pins are used to transmit I2C control signals.

The embodiment of the present invention further provides a transmission line, including: a SAS cable and a SAS plug disposed at two ends of the cable, wherein each pin of the SAS plug is respectively connected to a signal line of the cable, and the plug includes at least 19 Pins, of which 4 pins are used to transmit Internet data signals, 3 pins are used to transmit the board in-position signal of the EOC modem module, 6 pins are used to transmit the power signal, and 6 pins are used for 6 pins. Transmitting an I2C control signal;

Or,

a SATA cable and a SATA plug disposed at two ends of the cable; each pin of the SATA plug is respectively connected to a signal line of the cable, and the plug includes at least 19 pins, wherein 4 pins are used for The Internet data signal is transmitted, three pins are used to transmit the board in-position signal of the EOC modem module, six pins are used to transmit the power signal, and six pins are used to transmit the I2C control signal.

An embodiment of the present invention further provides an EOC device, an ONU, an EOC modem module, and a transmission line; The ONU and the EOC modulation and demodulation module respectively include a SAS socket, and the transmission line includes a SAS cable and a SAS plug disposed at both ends of the cable; the transmission line is respectively coupled to the ONU and the EOC by the SAS plug at both ends of the cable The SAS socket of the modulation module is connected; the SAS socket and the SAS plug respectively comprise at least 19 pins, wherein 4 pins are used for transmitting Internet data signals, and 3 pins are used for transmitting interconnection on the coaxial cable. The board of the EOC modem module has a bit signal, 6 pins for transmitting power signals, and 6 pins for I2C control signals;

Or,

The ONU and the EOC modulation and demodulation module respectively comprise a SATA socket, and the transmission line comprises a SATA cable and a SATA plug disposed at two ends of the cable; the transmission line is respectively separated from the ONU and the EOC by a SATA plug at both ends of the cable The SATA socket of the module is connected; the SATA socket and the SATA plug respectively comprise at least 19 pins, wherein 4 pins are used for transmitting Internet data signals, and 3 pins are used for transmitting interconnection on the coaxial cable. The board of the EOC modem module has a bit signal, 6 pins for transmitting power signals, and 6 pins for I2C control signals. The technical effects of the above technical solutions are analyzed as follows:

In the Internet data transmission device, a SAS (Serial Attached SCSI) socket or a SATA (Serial Advanced Technology Attachment) socket is provided, and the connection between the ONU and the EOC modem module is performed through a transmission line. The small size and cost of the integrated EOC equipment makes it possible to expand the integrated EOC equipment.

DRAWINGS

1 is a schematic diagram of an implementation principle of an EOC technology in the prior art;

2 is a schematic structural diagram of a connection between an ONU and an EOC modem module in an integrated EOC device according to an embodiment of the present invention;

3 is a schematic structural diagram of an ONU device according to an embodiment of the present invention;

4 is a schematic structural diagram of an implementation of an EOC modulation and demodulation module according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an implementation of a transmission line according to an embodiment of the present invention; FIG.

6 is a schematic structural view of a pin of a SATA plug according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of an EOC device according to an embodiment of the present invention.

detailed description As shown in FIG. 2, in the prior art, when the ONU inside the integrated EOC device is connected with the EOC modem module, the Internet data signal output by the PHY in the ONU is transmitted to the EOC modem through the network cable after passing through the transformer. The power and control signals are transmitted through the power line and the control signal line respectively; since the ONU is connected to each EOC modem module, at least three interfaces need to be set on the ONU and the EOC modem module, The corresponding cable realizes the connection, so the cost of the integrated EOC device is high and the volume is large, and the hot plugging of the EOC device cannot be performed, thereby realizing online expansion.

To this end, the embodiments of the present invention provide an Internet data transmission device, a transmission line, and an EOC device, thereby reducing the cost and volume of the EOC device and realizing the expansion of the integrated EOC device.

Specifically, the Internet data transmission apparatus provided by the embodiment of the present invention includes: a SAS socket or

SATA socket, SAS socket or SATA socket includes at least 19 pins, of which 4 pins are used to transmit Internet data signals, and 3 pins are used to transmit the network of EOC modem modules on the coaxial cable. In-position signals, 6 pins are used to transmit power signals, and 6 pins are used for I2C control signals. Preferably, the S2, S3, S5, and S6 pins can be set to transmit Internet data signals; the Sl, S4, and S7 pins are used to transmit the board in-position signal of the EOC modem module; P4, P5, P6, P10, The P11 and P12 pins are used to transmit power signals; the P7, P8, P9, P13, P14, and P15 pins are used to transmit I2C control signals.

As shown in FIG. 3, it is a schematic diagram of an implementation structure of an ONU device according to an embodiment of the present invention, where the ONU device includes:

First, the S2 pin of the first SATA socket 310 and the first PHY 320 perform downlink data output.

GE FIBER port GE11 is connected to transmit the downlink data signal GE_TX_C+; the S3 pin is connected to the second GE FIBER port GE12 of the first PHY320 for downlink data output, and the downlink data signal GE_TX_C- is transmitted; S5 pin and The third GE FIBER port GE13 of the PHY 320 for uplink data reception transmits the uplink data signal GE_RX_C+ of the Internet; the S6 pin is connected with the fourth GE FIBER port GE14 of the first PHY 320 for uplink data reception, and performs the uplink data signal GE_RX_C of the Internet. Transmission

The Sl, S4, and S7 pins are respectively connected to the detection ports C11 to C13 of the board in-position controller 330, and the board in-position signal BOARD_ON of the EOC modulation and demodulation module is transmitted; The P4-P6 pin is connected to the power output port OUT11~OUT13 of the power output module 340 for supplying power to the EOC modem module for transmitting the power signal VDD_EOC; the P10-P12 pin and the GND port GND11 of the power output module 340 ~GND13 corresponds to the connection, used to transmit the ground signal;

The P13~P15 pins are connected to the data ports D11~D13 of the first I2C controller 350 for transmitting the I2C data signal I2C_SDA; the P7-P9 is connected with the clock port T11-T13 of the first I2C controller 350 for The I2C clock signal I2C_SCL is transmitted.

In the ONU device shown in FIG. 3, only SATA sockets are used for transmission of various signals. Therefore, a connection to the EOC modem module can be realized by setting a SATA socket for each EOC modem module on the ONU. Therefore, the volume and implementation cost of the ONU device are reduced, and technical support for the implementation of the expansion of the integrated EOC device is provided.

As shown in FIG. 4, it is a schematic structural diagram of an implementation of an EOC modem module according to an embodiment of the present invention, where the EOC modem module includes:

The S2 pin of the second SATA socket 410 is connected to the fifth GE FIBER port GE21 of the second PHY 420 for downlink data reception, and performs the transmission of the Internet downlink data signal GE_TX_C+; and the sixth GE of the downlink data reception by the S3 pin and the second PHY 420 The FIBER port GE22 is connected to transmit the downlink data signal GE_TX_C-; the S5 pin is connected to the seventh GE FIBER port GE23 of the second PHY420 for uplink data output, and the uplink data signal of the Internet is performed.

The transmission of GE_RX_C+; the S6 pin is connected to the eighth GE FIBER port GE24 of the second PHY 420 for uplink data output, and performs transmission of the Internet uplink data signal GE_RX_C-;

The Sl, S4, and S7 pins are grounded separately;

The P4-P6 pin is connected to the power input port IN21~IN23 of the power module 430 for supplying power to the EOC modem module, and is used for transmitting the power signal VDD_EOC; the P10~P12 pin and the GND port GND21~GND23 of the power module 430 Corresponding connection, used to transmit the ground signal;

The P13~P15 pins are connected to the data ports D21~D23 of the second I2C controller 440 for transmitting the I2C data signals; the P7~P9 are connected to the clock ports T21~T23 of the second I2C controller 440 for transmitting the I2C clock. signal.

In the EOC modulation and demodulation module shown in FIG. 4, only the SATA socket is used for transmitting various signals, and it is no longer necessary to set a plurality of different interfaces to respectively transmit different signals, thereby reducing the EOC. The size and implementation cost of the modem module provide technical support for the implementation of the expansion of the integrated EOC device.

In the structure shown in FIG. 3 and FIG. 4, the P1~P3 pins of the SATA socket are not used, and can be reserved as a compatibility, and are set independently in practical applications, and are not limited herein. The embodiment of the present invention further provides a transmission line, which is used for connecting between Internet data transmission devices, and the transmission line includes: a SAS cable and a SAS plug disposed at two ends of the cable, and each pin of the plug is respectively connected with a line One signal line of the cable is connected, the plug includes at least 19 pins, wherein 4 pins are used for transmitting Internet data signals, and 3 pins are used for transmitting board in-position signals of the EOC modem module, 6 The pin is used to transmit the power signal, the 6 pins are used to transmit the I2C control signal; or the SATA cable and the SATA plug disposed at the two ends of the cable; each pin of the SATA plug and a signal line of the cable respectively Corresponding connection, the plug includes at least 19 pins, wherein 4 pins are used for transmitting Internet data signals, 3 pins are used for transmitting board in-position signals of the EOC modem module, and 6 pins are used for The power signal is transmitted and the 6 pins are used to transmit the I2C control signal.

Taking a SATA plug as an example, as shown in FIG. 5, it is a schematic structural diagram of a transmission line according to an embodiment of the present invention, and the transmission line includes:

a SATA cable 510, and a SATA plug 520 disposed at two ends of the cable; the respective pins of the SATA plug 520 are respectively connected to a signal line of the SATA cable 510;

The S2 and S3 pins of the SATA plug 520 are used for transmitting downlink data signals of the Internet;

The S5 and S6 pins are used for transmitting the uplink data signals of the Internet; the Sl, S4, and S7 pins are used for transmitting the in-position signals of the EOC modem module;

The P4-P6 pin is used to transmit power signals; the P10-P12 pin is used to transmit ground signals; the P13-P15 pins are used to transmit I2C data signals; and the P7~P9 pins are used to transmit I2C clock signals.

Through the transmission lines shown in FIG. 5 and FIG. 6, the connection between the ONU and the EOC modem module in FIG. 3 and FIG. 4 can be realized to form an integrated EOC device.

As shown in FIG. 6 , it is a schematic structural diagram of a SATA plug. The lengths of the pins S1, S4, S7, P4~P6, and P10~P12 on the SATA plug are longer than other pins, and the pins P4~P6 and P10~. P12 is used to transmit the power signal and the ground signal respectively, so that during the insertion and removal process of the SATA plug, Ensure that the grounding signal is first contacted (the power supply can be slowly started on the board, which is equivalent to the ground signal before the power contact), so that the EOC modem module can be hot swapped on the ONU device. In turn, online expansion of the integrated EOC device can be achieved. In the above embodiments of the present invention, the SATA socket, the SATA plug, and the SATA cable described in the embodiments of the present invention may be replaced with a SAS socket, a SAS plug, and a SAS cable, and the difference between the SATA socket and the SAS socket, SATA. The difference between the plug and the SAS plug is only: The pins S8~S14 are added to the SAS socket and the SAS plug respectively; the difference between the SATA cable and the SAS cable is only: The signal corresponding to the pins S8~S14 is added to the SAS cable. Transmission line. Therefore, when the SATA socket, the SATA plug, and the SATA cable are replaced with the corresponding SAS socket, SAS plug, and SAS cable, the connection relationship in the ONU and the EOC modem module is the same as in FIGS. 3 and 4. The S8-S14 pin and the newly-added S8-S14 pin on the SAS socket and the PAS-P3 pin are similar to the P1~P3 pins, and can be used as a compatible reservation, and can be used in a practical manner, which is not limited in the embodiment of the present invention. Through the transmission lines shown in FIG. 5 and FIG. 6, the connection between the ONU and the EOC modem module in FIG. 3 and FIG. 4 can be realized to form an integrated EOC device. As shown in FIG. 7, the EOC device can include: ONU710 , an EOC modem module 720 and a transmission line 730;

The ONU 710 and the EOC modem module 720 respectively include: a SATA socket including at least 19 pins, wherein 4 pins are used for transmitting Internet data signals, and 3 pins are used for transmitting an Internet cable on the coaxial cable. Transmitting the on-board signal of the EOC modem module, 6 pins for transmitting power signals, and 6 pins for I2C control signals;

The transmission line 730 includes: a SATA cable 7301, and a SATA plug 7302 disposed at two ends of the cable. The respective pins of the SATA plug 7302 are respectively connected to one signal line of the SATA cable 7301, and the plug includes at least 19 Pins, where 4 pins are used to transmit Internet data signals, 3 pins are used to transmit the board in-position signal of the EOC modem module, 6 pins are used to transmit the power signal, and 6 pins are used to transmit the power signal. Transmitting an I2C control signal;

The transmission line 730 is respectively connected to the ONU and the SATA socket of the EOC modem module through the SATA plug 7302 at both ends of the cable. The SATA socket, the SATA plug, and the SATA cable can also be replaced with a SAS socket, a SAS plug, and a SAS cable, which are not described herein. Preferably, the SAS socket, the SAS plug, and the SAS cable may be a MINI SAS socket, a MINI SAS plug, and a MINI SAS cable.

In the integrated EOC device shown in FIG. 7, a SAS socket or a SATA socket is respectively disposed in the ONU and the EOC modem module, and the connection between the ONU and the EOC modem module is performed through one transmission line, thereby reducing the integrated EOC. The size and cost of the equipment make it possible to expand the capacity of the integrated EOC equipment.

Moreover, the grounding signal and the power signal are transmitted through the pins of the SAS plug or the SATA plug with relatively long pins, so that the EOC modem module can be hot swapped, which provides a possibility for online expansion of the integrated EOC device. The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. It should be considered as the scope of protection of the present invention.

Claims

Rights request

An Internet data transmission device, comprising:

Serial SCSI SAS socket or serial advanced technology accessory SATA socket, the SAS socket or SATA socket includes at least 19 pins, of which 4 pins are used to transmit Internet data signals and 3 pins are used to transmit coaxial The Internet on the cable transmits the board in-position signal of the EOC modem module, 6 pins for transmitting power signals, and 6 pins for transmitting I2C control signals.

2. The device according to claim 1, further comprising:

The S2, S3, S5, and S6 pins of the SAS socket or the SATA socket are used to transmit Internet data signals; the S AS socket or the SATA socket De Sl, S4, and S7 pins are used to transmit the board of the EOC modem module. In-position signal; P4, P5, P6, P10, P11, P12 pins of the SAS socket or SATA socket are used for transmitting power signals; P7, P8, P9, P13, P14, P15 of the SAS socket or SATA socket The pin is used to transmit an I2C control signal.

3. The device according to claim 1 or 2, further comprising:

The S2 and S3 pins of the SAS socket or the SATA socket are respectively connected with the GE FIBER port of the first PHY for downlink data output, and the downlink data signal is transmitted by the Internet; and the S5 and S6 pins respectively perform uplink data reception with the PHY. The GE FIBER port is connected to perform uplink data signal transmission on the Internet;

The Sl, S4, and S7 pins are respectively connected to the detection ports of the board in-position controller, and the board in-position signal transmission of the EOC modulation and demodulation module is performed;

The P4, P5, and P6 pins are respectively connected with the power output port of the power output module that supplies power to the EOC modulation and demodulation module, and are used for transmitting the power signal; the P10, P11, and P12 pins are connected with the GND port of the power output module. , used to transmit ground signals;

The P13, P14, and P15 pins are respectively connected to the data ports of the first I2C controller for transmitting the I2C data signals; the P7, P8, and P9 pins are respectively connected to the clock ports of the first I2C controller for transmission. I2C clock signal.

4. The device according to claim 1 or 2, further comprising:

The S2 and S3 pins of the SAS socket or the SATA socket are respectively connected with the GE FIBER port of the second PHY for downlink data reception, and the downlink data signal is transmitted by the Internet; S5. The S6 pin is respectively connected with the GE FIBER port of the second PHY for uplink data output, and performs uplink data signal transmission on the Internet;

The Sl, S4, and S7 pins are grounded separately;

The P4, P5, and P6 pins are respectively connected to the power input port of the power module for supplying power to the EOC modulation and demodulation module, and are used for transmitting the power signal; the P10, P11, and P12 pins are respectively connected with the GND port of the power module, For transmitting signals;

The P13, P14, and P15 pins are respectively connected to the data port of the second I2C controller for transmitting the I2C data signal; the P7, P8, and P9 pins are respectively connected to the clock port of the I2C controller for transmitting the I2C clock. signal.

5. A transmission line, comprising:

a SAS cable and a SAS plug disposed at two ends of the cable, wherein each pin of the SAS plug is respectively connected to a signal line of the cable, and the plug includes at least 19 pins, wherein 4 pins are used for Transmitting Internet data signals, three pins are used to transmit the board in-position signal of the EOC modem module, six pins are used to transmit the power signal, and six pins are used to transmit the I2C control signal;

Or,

The transmission line according to claim 5, wherein the S2 and S3 pins of the plug are used for transmitting downlink data signals of the Internet; and the S5 and S6 pins are used for transmitting uplink data signals of the Internet; , S4, S7 pins are used for transmitting the in-position signal of the board of the EOC modulation and demodulation module;

The P4, P5, and P6 pins are used to transmit power signals; the P10, P11, and P12 pins are used to transmit ground signals; the P13, P14, and P15 pins are used to transmit I2C data signals; and the P7, P8, and P9 pins are used for transmission. I2C clock signal.

An EOC device, comprising: an optical network unit ONU, an EOC modem module, and a transmission line; The ONU and the EOC modulation and demodulation module respectively comprise a SAS socket, and the transmission line comprises a SAS cable and a SAS plug disposed at two ends of the cable; the transmission line is respectively coupled to the ONU and the EOC by the SAS plug at both ends of the cable The SAS socket of the modulation module is connected; the SAS socket and the SAS plug respectively comprise at least 19 pins, wherein 4 pins are used for transmitting Internet data signals, and 3 pins are used for transmitting interconnection on the coaxial cable. The board of the EOC modem module has a bit signal, 6 pins for transmitting power signals, and 6 pins for I2C control signals;

Or,

The ONU and the EOC modulation and demodulation module respectively comprise a SATA socket, and the transmission line comprises a SATA cable and a SATA plug disposed at two ends of the cable; the transmission line is respectively separated from the ONU and the EOC by a SATA plug at both ends of the cable The SATA socket of the module is connected; the SATA socket and the SATA plug respectively comprise at least 19 pins, wherein 4 pins are used for transmitting Internet data signals, and 3 pins are used for transmitting interconnection on the coaxial cable. The board of the EOC modem module has a bit signal, 6 pins for transmitting power signals, and 6 pins for I2C control signals.