CN206805356U

CN206805356U - VPX computer modules

Info

Publication number: CN206805356U
Application number: CN201720107453.3U
Authority: CN
Inventors: 李云宝; 李乐星; 王文磊; 郭秋明; 王振刚; 陈淑平
Original assignee: YANTAI NORTHERN STARRY SKY AUTOMATIC CONTROL TECHNOLOGY Co Ltd
Current assignee: YANTAI NORTHERN STARRY SKY AUTOMATIC CONTROL TECHNOLOGY Co Ltd
Priority date: 2017-02-04
Filing date: 2017-02-04
Publication date: 2017-12-26
Anticipated expiration: 2027-02-04

Abstract

The utility model is applied to computer network module technical field, there is provided a kind of VPX computer modules, including：Network chip, prime bridge piece or switch chips are connected by PCIE buses, it has two-way output signal；Non-volatile read-only storage, the network chip is connected, for storing firmware configuration information and mac address information；25MHz crystal oscillators, connect the network chip；Optical module, the two-way output signal of the network chip is connected by coupled capacitor.Whereby, the utility model integrated level is higher, small volume, and anti-vibration resistance is good.

Description

VPX computer modules

Technical field

It the utility model is related to computer network module technical field, more particularly to a kind of VPX computer modules.

Background technology

With the continuous improvement that the decline and people of ethernet device cost require for network application, ten thousand mbit ethernets Using trend is had become, ten thousand mbit ethernet technologies provide more abundant bandwidth and disposal ability, can effectively economized on Investment of the family on link, and the characteristics of compatible, the easy to use and upgrading that keeps Ethernet consistent is easy.Optical fiber relies on it The features such as quality is small, capacity is big, transmission frequency bandwidth as Ethernet application first choice.

On the other hand, based on VITA standard 6U computer modules, the printing board size of standard is defined, and carries standard Connector interface is used to connect mainboard and backboard.VPX connectors have MT optical fiber interfaces, can pass through the electric signal of 10,000,000,000 networks Optical module is changed, by MT interfaces through optical fiber teletransmission.So as to realize application of 10,000,000,000 networks on ruggedized computer.

In summary, prior art there will naturally be inconvenience and defect in actual use, and it is therefore necessary to improved.

Utility model content

For it is above-mentioned the defects of, the purpose of this utility model is to provide a kind of VPX computer modules, and its integrated level is more Height, small volume, anti-vibration resistance is good, and electric radiation is small, strong antijamming capability, and signal attenuation is small.

To achieve these goals, the utility model provides a kind of VPX computer modules, including：

Network chip, prime bridge piece or switch chips are connected by PCIE buses, it has two-way output signal；

Non-volatile read-only storage, the network chip is connected, for storing firmware configuration information and MAC addresses letter Breath；

25MHz crystal oscillators, connect the network chip；

Optical module, the two-way output signal of the network chip is connected by coupled capacitor.

According to VPX computer modules of the present utility model, the network chip is the network chips of Intel 825,990,000 million.

According to VPX computer modules of the present utility model, the optical module is HTA8525.

According to VPX computer modules of the present utility model, the optical module is encapsulated using LCC48.

According to VPX computer modules of the present utility model, the value of the coupled capacitor is 0.1uF.

The utility model by supply a kind of VPX computer modules, including：Network chip, prime is connected by PCIE buses Bridge piece or switch chips, it has two-way output signal；Non-volatile read-only storage, the network chip is connected, is used for Store firmware configuration information and mac address information；25MHz crystal oscillators, connect the network chip；Optical module, pass through coupled capacitor Connect the two-way output signal of the network chip.Whereby, the utility model integrated level is higher, small volume, and anti-vibration resistance is good.

Brief description of the drawings

Fig. 1 is VPX computer modules structural representation of the present utility model；

Fig. 2 is the network chip attachment structure schematic diagram of the embodiment of the utility model one；

Fig. 3 is the optical module attachment structure schematic diagram of the embodiment of the utility model one；

Fig. 4 is VPX connector plugs mating surface schematic diagram of the present utility model.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining The utility model, it is not used to limit the utility model.

Referring to Fig. 1, the utility model provides a kind of VPX computer modules, and the module is 6U Formula V PX computer modules, It includes network chip 10, non-volatile read-only storage 20,25MHz crystal oscillators 30 and optical module 40.Wherein：

Network chip 10, prime bridge piece or switch chips are connected by PCIE buses, it has two-way output signal.One In embodiment, network chip 10 uses the network chips of Intel 825,990,000 million, and it has a network interface of 2 tunnel 10,000,000,000, power consumption 7.5W, Package dimension is 25mm*25mm*2.54mm.

Non-volatile read-only storage 20, the network chip 10 is connected, for storing firmware configuration information and MAC Address Information.

25MHz crystal oscillators 30, connect the network chip 10.

The peripheral circuit of non-volatile read-only storage 20 and 25MHz crystal oscillators 30 as network chip 10, they coordinate net Network chip 10 cooperates.

Optical module 40, the two-way output signal of the network chip 10 is connected by coupled capacitor.

Optical module 40 of the present utility model uses HTA8525, and it has the structure of the parallel transceiver in four tunnels, single channel speed Up to 10.3125Gpbs, applied to the parallel optical interconnecting such as backboard field, have the characteristics that electromagnetic radiation is small, strong antijamming capability. The launch wavelength of optical module 40 is 850nm, and MT/MPO formula tail optical fiber interfaces, using LCC48 packing forms, package dimension is 16.4mm*16.4mm*4mm operating temperature range -55~85 DEG C.

With reference to Fig. 2, the peripheral circuit of the network chip 10 of an embodiment, network chip 10 passes through PCIE connection higher level's cores Piece, its higher level's chip can be bridge piece or PCIE Switch chips, and its bus connecting mode can be PCIE*4 or be PCIE* 8, frequency is 100MHz all the time.In addition, Intel82599 can report configuration information by SMBus.Firmware configuration information and MAC Location information burning is in non-volatile read-only storage 20.2 road 10G SFI signals are exported from network chip 10 by coupling electricity Appearance is connected on optical module HTA8525.

Referring back to Fig. 3, optical module HTA8525 periphery circuit design frame diagrams of the present utility model, optical module 40 (HTA8525) photosignal can be changed automatically, can be passed through with the SFI signals of 10,000,000,000 nets 82599 (network chip 10) 0.1uF coupled capacitors are attached.The status information of optical module 40 can report network chip 10 by SMBus.Its TXEN and For RXEN to send and receive enable signal, high level is effective.Alert is alarm signal, exports high level during module normal work. SD be overall signal detection, it is all reception optical channel it is working properly when export high level.

Fig. 4 is VPX connector plugs mating surface schematic diagram of the present utility model, and it has good connectivity robustness.

To improve module effect of the present utility model, 10,000,000,000 net transmission rates are 10Gpbs.It is high during motherboard design Fast electric signal is designed using AC coupled, high-speed differential signal PCB trace guarantee differential impedance 100 Europe, in electric source filter circuit Inductance to have enough conveyance capacities, 10,000,000,000 web-roll core pieces will carry out corresponding scattering design.

In summary, the utility model by supply a kind of VPX computer modules, including：Network chip, pass through PCIE buses Prime bridge piece or switch chips are connected, it has two-way output signal；Non-volatile read-only storage, connect the network core Piece, for storing firmware configuration information and mac address information；25MHz crystal oscillators, connect the network chip；Optical module, pass through coupling Close the two-way output signal of network chip described in capacitance connection.Whereby, the utility model integrated level is higher, small volume, anti-vibration Property is good.

Certainly, the utility model can also have other various embodiments, without departing substantially from the utility model spirit and its essence In the case of, those skilled in the art work as can make various corresponding changes and deformation according to the utility model, but these Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.

Claims

A kind of 1. VPX computer modules, it is characterised in that including：

Network chip, prime bridge piece or switch chips are connected by PCIE buses, it has two-way output signal；

Non-volatile read-only storage, the network chip is connected, for storing firmware configuration information and mac address information；

25MHz crystal oscillators, connect the network chip；

Optical module, the two-way output signal of the network chip is connected by coupled capacitor.
2. VPX computer modules according to claim 1, it is characterised in that the network chip is Intel 825,990,000 Million network chips.
3. VPX computer modules according to claim 1, it is characterised in that the optical module is HTA8525.
4. VPX computer modules according to claim 1, it is characterised in that the optical module is encapsulated using LCC48.
5. VPX computer modules according to claim 1, it is characterised in that the value of the coupled capacitor is 0.1uF.