Network card based on WX1860A4

Abstract

The utility model relates to a network card based on WX1860A4. The network card comprises two CPCIE (Compact Peripheral Component Interconnect Express) * 4 connectors, two WX1860A4 chips, eight YT8521SC-CA chips, eight optical modules and a power supply module, the two CPCIE * 4 connectors are electrically connected with the two WX1860A4 chips respectively, and the CPCIE * 4 connectors are used for receiving PCIE signals from equipment outside the network card and sending the PCIE signals to the corresponding WX1860A4 chips; each WX1860A4 chip is respectively and electrically connected with four YT8521SC-CA chips, and each YT8521SC-CA chip is electrically connected with an optical module; the WX1860A4 chip converts the received PCIE signal into an RGMII signal and sends the RGMII signal to the four corresponding YT8521SC-CA chips, and then the YT8521SC-CA chips convert the RGMII signal into an HSIO signal and send the HSIO signal to the corresponding optical module; and the power supply module is electrically connected with the two WX1860A4 chips to supply power.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic computer technical field especially, relate to a network card based on WX1860A4. BACKGROUND

[0002] With network data transmission speed faster and faster, the requirement of the network card used normally is also higher and higher, the network interface of the gigabit network card or commonly used RJ45 interface form used normally has been unable to satisfy certain use scene, for example, internet bar broadband or the network transmission of company interior, so need higher transmission rate and the optical module of transmission attenuation lower to transmit data.

[0003] The optical module is the optoelectronic device of photoelectric and electro-optical conversion. The sending end of the optical module converts the electrical signal into optical signal, and the receiving end converts the optical signal into electrical signal. The optical module is classified according to the packaging form, and the common ones include SFP (Small Form Pluggable), SFP+, SFF, gigabit Ethernet interface converter (GBIC) and the like.

[0004] WX1860A4 network chip is the gigabit Ethernet controller chip released by network science and technology, supports PCIe2.0 4 host interface, 2 or 4 RJ45 ports, has RGMII interface, supports external optical port PHY to realize 1GbE optical port, supports network data packet check and unloading, supports RSS, QoS, NC-SI, PXE and the like, mainly applied to network security equipment, industrial computer, server, workstation or embedded mainboard and the like. WX1860A4 chip is factory-built with PCIE protocol conversion RGMII protocol function. SUMMARY

[0005] Therefore, the utility model aims at based on WX1860A4 chip, designs a kind of 8-port gigabit network card.

[0006] In order to achieve the above object, the utility model provides a kind of network card based on WX1860A4, comprising: two CPCIE × 4 connectors, two WX1860A4 chips, eight YT8521SC-CA chips, eight optical modules and power module;Two CPCIE × 4 connectors are electrically connected with two WX1860A4 chips one by one, and the two CPCIE × 4 connectors receive PCIE signal from the equipment outside network card on one hand, and the received PCIE signal is sent to corresponding WX1860A4 chip respectively on the other hand;The eight YT8521SC-CA chips are divided into two groups evenly, and four YT8521SC-CA chips of each group are electrically connected with corresponding same WX1860A4 chip on one hand, and the four YT8521SC-CA chips of the group are electrically connected with four optical modules one by one on the other hand;WX1860A4 chip converts the received PCIE signal into RGMII signal and sends to corresponding four YT8521SC-CA chips, and the four YT8521SC-CA chips convert RGMII signal into HSIO signal to send to corresponding optical module respectively;The power module is electrically connected with two WX1860A4 chips to power supply.

[0007] Among them, the optical module is SFP optical module.

[0008] Among them, the power module provides 1.1V power supply to the WX1860A4 chip.

[0009] Among them, the power module includes MPQ8626GD-Z chip.

[0010] Among them, the model of the CPCIE × 4 connector is HMMH120P029A2B.

[0011] Among them, the two CPCIE × 4 connectors are arranged at the same side edge of network card.

[0012] Among them, the corresponding bend type pin guide pin seat is respectively arranged near the CPCIE × 4 connector.

[0013] Among them, the eight optical modules are arranged at the opposite edges of network card.

[0014] Summarizing, the network card based on WX1860A4 of the utility model designs a kind of integrated 8 optical modules gigabit network card based on WX1860A4 chip. BRIEF DESCRIPTION OF DRAWINGS

[0015] The technical scheme and other beneficial effects of the utility model will be obvious by the specific embodiment detailed description of the utility model in combination with the drawings. In the drawings,

[0016] Figure 1 It is a structure schematic view of a preferable embodiment of the utility model based on the network card of WX1860A4;

[0017] Figure 2 It is a circuit block diagram of a preferable embodiment of the utility model based on the network card of WX1860A4;

[0018] Figure 3 It is the wiring diagram of CPCIE × 4 connector in a preferable embodiment of the utility model based on the network card of WX1860A4;

[0019] Figure 4 It is the WX1860A4 chip PCIE signal input wiring diagram in a preferable embodiment of the utility model based on the network card of WX1860A4;

[0020] Figure 5 It is the WX1860A4 chip RGMII signal output wiring diagram in a preferable embodiment of the utility model based on the network card of WX1860A4;

[0021] Figure 6 It is the wiring diagram of YT8521SC-CA chip in a preferable embodiment of the utility model based on the network card of WX1860A4;

[0022] Figure 7 It is the wiring diagram of SFP optical module in a preferable embodiment of the utility model based on the network card of WX1860A4. Specific implementation

[0023] Referring to Figure 1 It is a structure schematic view of a preferable embodiment of the utility model based on the network card of WX1860A4;In this preferable embodiment, according to the design of the utility model, a gigabit network card integrating eight optical modules is made.Two CPCIE × 4 connectors 11 are arranged at intervals on the same side edge of the network card 10, and at the same time, corresponding bent pin guide pin seats 12 are arranged adjacent to the CPCIE × 4 connectors 11, so that the CPCI interface can be fixed to prevent the network card from shaking and causing poor contact;Eight optical modules 13 are arranged at intervals on the opposite side edge of the network card 10.In this preferable embodiment, the model of the bent pin guide pin seat 12 can adopt JC8.203.003, and the model of the CPCIE × 4 connector 11 can adopt HMMH120P029A2B.

[0024] Referring to Figure 2It is the circuit block diagram of the network card of the preferable embodiment based on WX1860A4 of the utility model. In this preferable embodiment, two WX1860A4 (PCIE protocol conversion RGMII protocol) chips plus eight YT8521SC-CA (RGMII protocol conversion SFP protocol) are used to make a gigabit network card integrated with eight SFP optical modules. Mainly includes: two CPCIEx4 connectors, two WX1860A4 chips, eight YT8521SC-CA chips, eight optical modules and a power module;The two CPCIEx4 connectors are electrically connected with the two WX1860A4 chips one by one, the two CPCIEx4 connectors receive PCIE signals from the network card external equipment on one hand, and send the received PCIE signals to the corresponding WX1860A4 chip on the other hand;The eight YT8521SC-CA chips are divided into two groups evenly, four YT8521SC-CA chips in each group are electrically connected with the corresponding same WX1860A4 chip on one hand, and the four YT8521SC-CA chips in the group are electrically connected with four optical modules one by one on the other hand;The WX1860A4 chip converts the received PCIE signal into RGMII signal and sends it to the corresponding four YT8521SC-CA chips, and the four YT8521SC-CA chips convert the RGMII signal into HSIO signal to send to the corresponding optical module;The power module is electrically connected with the two WX1860A4 chips for power supply.

[0025] The two CPCIEx4 connectors on the gigabit network card are connected to the mainboard or other equipment to receive PCIE signals from the mainboard or other equipment, and then the two CPCIEx4 connectors send the received PCIE X4 signals to the WX1860A4 network chip, and the WX1860A4 converts the PCIE signals into four groups of RGMII signals, and then adds eight YT8521SC-CA chips to convert the RGMII signals into the required HSIO signals to the optical module. In this preferable embodiment, the optical module specifically adopts SFP connector. Therefore, the network card can support up to 8 gigabit SFP modules.

[0026] Because the CPCIE interface itself only has 12V and 3.3V power supply, and the WX1860A4 chip needs 3.3V and 1.1V, in this preferable embodiment, the power module converts 1.1V power from the 12V power of the CPCIE interface, and in this preferable embodiment, the power module can be designed based on power chip MPQ8626GD-Z to convert 1.1V power supply to provide 1.1V power supply to the WX1860A4 chip. The specific circuit of the power module can adopt the conventional design in the art, which will not be described here.

[0027] In addition, according to the conventional design of network cards in the art, in the preferred embodiment, the network card is also provided with a reset module, a clock module, a UART socket, an SPI flash, and the like, which will not be described herein.

[0028] Referring to Figures 3 to 7 which is a wiring diagram of the network card device of the preferred embodiment, the elements marked ns in the drawing represent no components, and the positions are reserved. Among them, Figure 3 which is a wiring diagram of the CPCIE x4 connector in the preferred embodiment; Figure 4 which is a PCIE signal input wiring diagram of the WX1860A4 chip in the preferred embodiment; Figure 5 which is a RGMII signal output wiring diagram of the WX1860A4 chip in the preferred embodiment; Figure 6 which is a wiring diagram of the YT8521SC-CA chip in the preferred embodiment; Figure 7 which is a wiring diagram of the SFP optical module in the preferred embodiment.

[0029] Referring to Figure 3 which illustrates the wiring mode on the CPCIE x4 connector in the preferred embodiment, so as to be used for connecting the CPCIE socket on the mainboard or other devices to receive the PCIE signal from the external device of the network card.

[0030] Referring to Figure 4 and Figure 5 The PCIE to RGMII of the WX1860A4 chip is a function provided by the chip manufacturer, and each WX1860A4 chip receives PCIE signal input and outputs RGMII signal, and each WX1860A4 chip outputs 4 groups of signals.

[0031] Referring to Figure 6 which is a wiring diagram of the YT8521SC-CA chip in the preferred embodiment; the 4 groups of RGMII signals output from the WX1860A4 chip are connected to four YT8521SC-CA chips, and each YT8521SC-CA chip converts one group of HSIO (SFP) signals. The YT8521SC-CA chip can convert UTP or HSIO signals, and three strap pins are connected as shown in Figure 6 , so as to convert HSIO signals.

[0032] Referring to Figure 7 which is a wiring diagram of the SFP optical module in the preferred embodiment. Each group of HSIO signals from the YT8521SC-CA chip is connected to the SFP optical module, i.e., the SFP interface, wherein SFP1 represents the optical connector, and JSFP1 represents the optical connector shell.

[0033] Based on the WX1860A4, the utility model discloses a gigabit network card of integrated 8 optical modules based on the WX1860A4 chip.

[0034] The above, for the ordinary skill in the art, can make other various corresponding changes and deformation according to the technical scheme and technical concept of the utility model, and all these changes and deformation should belong to the protection scope of the right claim attached behind the utility model.

Claims

1. A WX1860A4-based network card, characterized in that, The application relates to a network card, which comprises two CPCIE*4 connectors, two WX1860A4 chips, eight YT8521SC-CA chips, eight optical modules and a power module; the two CPCIE*4 connectors are electrically connected with the two WX1860A4 chips in one-to-one mode, the two CPCIE*4 connectors receive PCIE signals from external devices of the network card on one hand and send the received PCIE signals to the corresponding WX1860A4 chips on the other hand; the eight YT8521SC-CA chips are divided into two groups averagely, four YT8521SC-CA chips in each group are electrically connected with the corresponding same WX1860A4 chip on one hand and are electrically connected with four optical modules in one-to-one mode on the other hand; the WX1860A4 chip converts the received PCIE signals into RGMII signals and sends the RGMII signals to the corresponding four YT8521SC-CA chips, and the corresponding four YT8521SC-CA chips convert the RGMII signals into HSIO signals to send the HSIO signals to the corresponding optical modules; and the power module is electrically connected with the two WX1860A4 chips to supply power. The optical module is an SFP optical module.

2. The WX1860A4 based network card of claim 1, wherein, The power module provides 1.1V power supply for the WX1860A4 chip.

3. The WX1860A4 based network card of claim 1, wherein, The power module comprises an MPQ8626GD-Z chip.

4. The WX1860A4 based network card of claim 1, wherein, The CPCIE*4 connector is an HMMH120P029A2B type.

5. The WX1860A4 based network card of claim 1, wherein, The two CPCIE*4 connectors are arranged at the same side edge of the network card.

6. The WX1860A4 based network card of claim 1, wherein, Corresponding bent pin guide pin seats are arranged near the CPCIE*4 connectors.

7. The WX1860A4-based network card of claim 6, wherein, The eight optical modules are arranged at opposite side edges of the network card.

8. The WX1860A4-based network card of claim 6, wherein, ​

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