CN210986304U

CN210986304U - EPON O L T module for field equipment

Info

Publication number: CN210986304U
Application number: CN201922155226.XU
Authority: CN
Inventors: 彭有鹏
Original assignee: GUANGDONG DONYAN NETWORK TECHNOLOGIES CO LTD
Current assignee: GUANGDONG DONYAN NETWORK TECHNOLOGIES CO LTD
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-10
Anticipated expiration: 2029-12-04

Abstract

The utility model provides a EPON O L T module for field equipment, it includes the integrated mainboard of EPON O L T, power strip and takes heat dissipation function's metal casing, the integrated mainboard of EPON O L T is detained mutually through row needle row seat with the power strip and is carried out electrical connection, take heat dissipation function's metal casing to carry out physical contact through heat conduction silica gel pad and the integrated mainboard of EPON O L T with the heat dissipation, this EPON O L T module integrated level is high, heat dispersion is good, can install in field type equipment, it is as an independent network node, can sink the O L T local side function of computer lab to the user side, practice thrift circuit laying and computer lab maintenance cost, simplify the complexity of engineering troubleshooting, maintenance change convenient and fast.

Description

EPON O L T module for field equipment

Technical Field

The utility model relates to a EPON O L T module, this module very conveniently is arranged in the field type equipment.

Background

In traditional field equipment, an EPON O L T module carried by the field equipment is generally split into three independent modules, namely an upper connection module, a main control module and a PON interface module, so that the problems that firstly, the shell of the field equipment is complex in design, large in size, heavy in equipment and high in cost, and is very unfavorable for disassembly, assembly and maintenance in an engineering application stage, secondly, the chip cannot be comprehensively considered and reused in the model selection process, waste is caused, the cost is increased, thirdly, the power consumption and the heat productivity of the equipment are high, and the long-term stability of the product is influenced are solved.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an EPON O L T module with high integration level and good performance to solve a plurality of problems of cost, heat dissipation and engineering application.

The utility model provides a technical problem adopts following technical scheme:

the utility model provides an EPON O L T module for field device, including the integrated mainboard of EPON O L T, power strip and take the metal casing of heat dissipation function, the integrated mainboard of EPON O L T is detained mutually through row's pin row with the power strip and is carried out electrical connection, and the metal casing of taking the heat dissipation function carries out physical contact through heat conduction silica gel pad and the integrated mainboard of EPON O L T in order to dispel the heat.

The EPON O L T integrated mainboard provides 1 RJ45 expansion million network ports, 2 SFP + upper trillion optical ports, 2 SFP upper trillion optical ports and 8 SFP EPON optical ports.

The first data channel of the EPON O L T integrated mainboard is connected with the following components in a manner that upper-link gigabit port data are directly connected to the SWITCH chip through an optical port, the upper-link gigabit port data are connected to the double-port gigabit PHY chip through the optical port and are connected to the SWITCH chip after conversion, and then the data of the SWITCH chip are connected to the EPON chip again and finally reach the EPON optical port.

The second data channel of the EPON O L T integrated mainboard is connected with an Ethernet PHY chip through RJ45, and then is connected with a SWITCH chip for standby after conversion.

The EPON O L T integrated mainboard provides 3 direct-insert female-row connectors, and the connectors are in butt joint with the power panel.

The EPON O L T is integrated with an internal management channel of a mainboard, a CPU manages a SWITCH chip through a pcie, and the CPU manages a PON chip through an ethernet2 network.

The EPON O L T integrated mainboard external management channel comprises a CPU, an Ethernet PHY chip, an NMS out-of-band management network port, a UART management serial port and a lighting signal, wherein the CPU provides the NMS out-of-band management network port through the Ethernet PHY chip, and the CPU provides the lighting signal through CP L D.

The power panel provides 1 RJ45 NMS out-of-band network port, 1 RJ45 CPU serial port, 15L ED signal lamps and 1 24V external direct-current power supply interface.

The power panel provides 3 direct-insert pin header connectors, and the connectors are in butt joint with an EPON O L T integrated mainboard.

The power supply board is internally provided with 7 groups of low-voltage direct-current power supplies after power supply conversion: 5V, 3V3, 2V5, 1V8, 1V5, 1V2 and 1V.

Compared with the prior art, the utility model, following main advantage has:

1. the product technology is advanced and the integration level is high.

2. The product has low power consumption, good heat dissipation, stable performance and moderate price.

3. The product has small volume, light weight and convenient installation and maintenance.

The EPON O L T module has full-load power consumption of less than 40W, is installed in field equipment, and can stably work for a long time at the ambient temperature of minus 25-65 ℃.

The EPON O L T module had a volume <400 x 200 x 50mm and a weight <3 kg.

Drawings

Fig. 1 is an internal functional block diagram of an EPON O L T module.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings, which are merely illustrative of the preferred embodiments of the present invention, but do not limit the scope of the invention as described below.

The utility model provides an EPON O L T module for field device, as shown in FIG. 1, mainly constitute by the integrated mainboard of EPON O L T, power strip and the metal casing of taking the heat dissipation function, they are through electrical connection or physical connection.

The EPON O L T integrated mainboard is buckled and pressed with a power panel through 3 pin headers and a female header connector to realize the connection of electrical signals, and the two parts are physically connected with a heat dissipation bottom plate and a metal shell through a heat conduction silica gel pad and a heat dissipation fin, so that the EPON O L T integrated mainboard can provide 1 RJ45 expansion hundred-million network port, 2 SFP + upper ten-thousand-million-optical ports, 2 SFP upper gigabit-optical ports and 8 SFP EPON optical ports.

The EPON O L T integrated mainboard is mainly composed of a CPU management unit and a data processing unit.

The CPU management unit mainly comprises a CPU, a CP L D and an Ethernet PHY, wherein the CPU realizes lighting of an optical port and a module state through a L ocalBus bus and an external CP L D, provides a serial port communication function through a UART interface, realizes a function of managing a network port out of band through an Ethernet1 interface and an external Ethernet PHY, realizes a function of managing a SWITCH exchange chip through a PCIE bus, and realizes a function of managing a PON chip through an Ethernet2 interface.

The data processing unit mainly comprises a SWITCH, a PON, an Ethernet phy and a double-port gigabit phy, and forms a data channel. Data channels (data flow is bidirectional, and the following description takes the downlink direction as an example):

(1) wherein, 1 path of data from the RJ45 expanded hundred million network ports enters the SWITCH chip for standby after being converted by the ethernet PHY chip (the mapper converts the format of sgmii); 2 paths of data from the SFP + upper-connection trillion optical port enter a SWITCH chip after being converted by a double-port trillion PHY chip (sfi is converted into the format of xaui); 2 paths of data from the SFP upper gigabit optical port (sgmii format) directly enter the SWITCH chip.

(2) After the data is processed by the SWITCH chip, 8 paths of data are output to a PON chip (sgmii format), then the PON chip carries out protocol conversion to convert Ethernet protocol data into EPON protocol data, and finally the EPON data is output to 8 paths of SFP EPON optical ports.

The power panel unit mainly comprises three interfaces and a power conversion unit. The three interfaces are respectively: 1 NMS manages the network port, 15 pilot lamps, 1 CPU serial port out of band. The power panel unit mainly provides a panel interface and functions of converting 24V direct current power into 7 low-voltage direct current power.

The working principle of the power supply conversion unit is as follows: the 24V direct current power supply that the outside provided, after the power conversion unit processing, externally provide 7 groups direct current power supply: 5V, 3V3, 2V5, 1V8, 1V5, 1V2 and 1V.

The metal shell with the heat dissipation function consists of a heat conduction silica gel pad, a heat dissipation sheet, a heat dissipation bottom plate and a metal shell, and is fastened through screws in sequence. The function of radiating the SWITCH, the PON, the CPU and the power supply with larger power consumption is mainly realized.

After the EPON O L T integrated main board and the power panel are buckled and connected, an outer shell with a heat dissipation function is installed, and then an independent EPON O L T module can be assembled.

The utility model provides an EPON O L T module for field device, its working process brief introduction is as follows, field device provides 24V DC power supply for this module, produce 7 way low voltage power supplies after the conversion of internal power strip, supply power for the integrated mainboard of EPON O L T, this module can normally work, the operating condition and the debugging of equipment, show and handle through the pilot lamp and the RJ45 interface of integrating in the power strip, link up signal connection on the ethernet to 2 way ten thousand mega optical interfaces and 2 way giga optical interfaces of this module during the use, after this module protocol conversion, through 8 way EPON optical interfaces output, the signal trunk of each way EPON optical interface passes through optic fibre and optical network again and reaches the light cat ONU in user's family, realize user's online function promptly.

Claims

1. An EPON O L T module for field equipment is characterized by comprising an EPON O L T integrated main board, a power board and a metal shell with a heat dissipation function, wherein the EPON O L T integrated main board and the power board are electrically connected through pin header and female header buckling, and the metal shell with the heat dissipation function is in physical contact with the EPON O L T integrated main board through a heat conduction silica gel pad to dissipate heat.

2. The EPON O L T module for field equipment as claimed in claim 1, wherein the EPON O L T integrated motherboard provides 1 RJ45 extended gigabit network port, 2 SFP + gigabit over-all optical ports, 2 SFP gigabit over-all optical ports, and 8 SFP EPON optical ports.

3. The EPON O L T module for field device as claimed in claim 2, wherein the first data channel of the EPON O L T integrated motherboard is connected to the SWITCH chip via the optical port, the second data channel is connected to the dual-port tera PHY chip via the optical port, the third data channel is connected to the SWITCH chip via the optical port, and the fourth data channel is connected to the EPON chip via the EPON optical port.

4. The EPON O L T module as claimed in claim 2, wherein the second data channel of the EPON O L T motherboard is connected to an Ethernet PHY chip via RJ45, and then converted and connected to a SWITCH chip.

5. The EPON O L T module for field device according to claim 3 or 4, wherein the EPON O L T integrated motherboard provides 3 inline female connectors that interface with a power strip.

6. The EPON O L T module for field device as claimed in claim 5, wherein the EPON O L T integrates the internal management channels of the main board, CPU manages the SWITCH chip through pcie, and CPU manages the PON chip through Ethernet2 network.

7. The EPON O L T module for field devices according to claim 5, wherein the EPON O L T integrates an external management channel of a mainboard, the CPU provides an NMS out-of-band management network port through an Ethernet PHY chip, the CPU provides a UART management serial port, and the CPU provides a lighting signal through CP L D.

8. The EPON O L T module for field devices according to claim 1, wherein the power board provides 1 RJ45 NMS out-of-band port, 1 RJ45 CPU serial port, 15 RJ L ED signal lamps and 1 24V external DC power interface.

9. The EPON O L T module for field equipment according to claim 1 or 8, wherein the power strip provides 3 in-line pin header connectors that interface with an EPON O L T integrated motherboard.

10. The EPON O L T module for field equipment as claimed in claim 9, wherein the power board provides 7 groups of low voltage DC power supplies of 5V, 3V3, 2V5, 1V8, 1V5, 1V2 and 1V after power conversion.