CN201167326Y

CN201167326Y - Ethernet optical fibre transceiver

Info

Publication number: CN201167326Y
Application number: CNU2008200742872U
Authority: CN
Inventors: 张翠宣
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-02
Filing date: 2008-04-02
Publication date: 2008-12-17
Anticipated expiration: 2018-04-02

Abstract

The utility model relates to an Ethernet optical fiber transceiver, which comprises a casing and a control circuit arranged inside the casing. The control circuit comprises an Ethernet optical transmitter and receiver module, an optical interface module, an Ethernet microcontroller, a network transformer, and a power supply changeover module, wherein the Ethernet optical transmitter and receiver module is connected with both the optical interface module and the Ethernet microcontroller. The Ethernet optical fiber transceiver is characterized in that the Ethernet optical transmitter and receiver module is connected with a CPLD module via a bus, the CPLD module is connected with a telephone processing module, and the telephone processing module is connected with a telephone interface arranged on the casing. The Ethernet optical fiber transceiver provided in the utility model nicely integrates a date communication network and a telephone communication network to conduct optical fiber communication, so as to avoid waste of communication resources and save communication cost. The Ethernet optical fiber transceiver has convenient service and maintenance; and can be widely used in the private communication networks of some enterprise and public institutions.

Description

A kind of ethernet optical fiber transceiver

Technical field

The utility model belongs to optical fiber communication equipment, especially a kind of ethernet optical fiber transceiver.

Background technology

Modern society is more and more to the demand of information, and is more and more higher to the also requirement of obtaining information rate, adopts traditional telephone wire transmission means can not satisfy the needs of modern enterprises and institutions far away.Development of science and technology has produced new technologies such as data, speech, multi-media image, and at present optical fiber communication modes that adopt to improve communication speed more.But because there is the higher cost problem in the optical fiber communication mode, the optical fiber communication mode can't spread to desktop as telephone wire.Therefore, (Fiber To TheDesktop---FTTD) communication equipment of access technology arises at the historic moment to adopt fiber to the desk, it light signal can be converted to data-signal and by 5 class cables with optic fibre extension to the user terminal computer, make user terminal whole process realize network insertion by optical fiber.Lasting decline along with optical fiber and fiber access device price, FTTD is widely used in some enterprises and institutions, in private wire networks such as mobile, UNICOM, electric power, public security, army, highway, aviation, but, the problem of existing fiber optical transceiver ubiquity function singleness, can only convert light signal to data-signal as some fiber optical transceiver, surf the Net, business such as transfer of data; Though some Multi-Service Access Device can carry out the speech channel voice forwarding and carry out telephone communication function, but cost is very high, therefore, existing fiber optical transceiver can not be realized function that data communication network and telephone communication network are combined and utilize optical fiber to communicate causing the waste of the communication resource, the increase of communications cost and the inconvenience of working service.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of data communication and telephone communication can being combined to carry out optical fiber communication, saved the communication resource and communications cost and had and used and the ethernet optical fiber transceiver of characteristics easy to maintenance.

The utility model solves its technical problem and takes following technical scheme to realize:

A kind of ethernet optical fiber transceiver, connect and compose by housing and inner control circuit thereof, control circuit is by Ethernet optical transceiver module, the optical interface module, the Ethernet microcontroller, network transformer and power transfer module connect and compose, the power transfer module that is connected with supply socket on the housing is the control circuit power supply, Ethernet optical transceiver module is connected with the optical interface module by special purpose interface, the optical interface module is connected on the optical fiber interface on the housing, Ethernet optical transceiver module is connected with the Ethernet microcontroller by the MII interface, the Ethernet microcontroller is connected with network transformer by special purpose interface, network transformer is connected on the network interface on the housing, it is characterized in that: Ethernet optical transceiver module is connected with the CPLD module by bus mode, the CPLD module is connected with call processing module by special purpose interface, and call processing module is connected on the telephony interface on the housing.

And, optical interface module in the described control circuit links to each other with optical fiber communication status indicator lamp on the housing, the Ethernet microcontroller connects the network work status indicator lamp, and call processing module connects the phone works status indicator lamp, and power transfer module connects power supply indicator.

And the quantity of described network interface is 1～4, and the quantity of described telephony interface is 1～4.

And, described Ethernet optical transceiver module is the two light mouth chip RC7017 of 100M Ethernet and 8E1 hybrid multiplex, the XC95144XL chip that described CPLD module is an Xilinx company, what described telephony interface module adopted is the SHL203 module of Shenzhen match fox electronics corporation, described optical interface module is the BB5315 module of Jiangsu Thunder God difficult to understand department, described Ethernet microprocessor has adopted the RTL8305SB chip, described network transformer has adopted PPT PM4G-100GH module, and described power transfer module has adopted the LM1117 chip.

Advantage of the present utility model and good effect are:

1. this ethernet optical fiber transceiver is reasonable in design, Ethernet optical transceiver module in its control circuit can convert light signal to data-signal and realize data communication function by being attached thereto the Ethernet microcontroller that connects, Ethernet optical transceiver module is connected with the CPLD module simultaneously, by the telephone speech signal of auxiliary channel transmission 64K.The utility model has utilized fiber resource fully, solved the professional single problem of existing fiber access device, well data communication network and telephone communication network are combined and carry out the optical fiber communication function, avoided the waste of the communication resource, saved communications cost.

2. this ethernet optical fiber transceiver organically combines data communication network and telephone communication network, be provided with network interface, telephony interface and optical fiber interface on its housing, can easily data communication network, telephone communication network be communicated in the optical fiber mode, its installation is easy to connect; Simultaneously, the various status indicator lamps that are provided with on the housing front panel can clearly indicate the operating state of equipment, are convenient to the O﹠M of equipment, use and keep in repair also more conveniently, are widely used in the private wire network in the enterprises and institutions.

Description of drawings

Fig. 1 is a housing front panel schematic diagram of the present utility model;

Fig. 2 is a housing rear board schematic diagram of the present utility model;

Fig. 3 is a control circuit block diagram of the present utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model embodiment is further described.

As shown in Figure 1, this ethernet optical fiber transceiver is made of housing and inner control circuit thereof, one group of working station indicator is set: the power supply indicator 1 of an indication power work state on the front panel of housing, four pilot light interface signals detect and the optical fiber communication status indicator lamp 2 of the error rate, the network work status indicator lamp 4 of the phone works indicator light 3 of four each road phone works states of indication and four each road Ethernet interface operating states of indication, above-mentioned various working station indicators can clearly show the operating state of ethernet optical fiber transceiver.A mains switch 5, supply socket 6, four road RJ11 telephony interfaces 7, four road RJ45 network interfaces 8 and an a pair of optical fiber interface 9 are set on the rear board of housing, this equipment and optical fiber transmission network, data communication network and telephone communication network can be linked together by above-mentioned standard interface, and carry out corresponding data transaction and switch through by the control circuit of inside.

The control circuit of this transceiver is by power transfer module, Ethernet optical transceiver module, the optical interface module, the Ethernet microcontroller, network transformer, CPLD module and call processing module connect and compose, the power transfer module that is connected with supply socket on the housing mainly is made of the LM1117 chip, it converts external AC power the needed direct-current working volts of control circuit to and provides working power for this control circuit, that Ethernet optical transceiver module is used is the two light mouth chip RC7017 of 100M Ethernet and 8E1 hybrid multiplex, this Ethernet optical transceiver module can realize 8 road E1 signals and 100M FDX Ethernet hybrid multiplex function at full speed, this Ethernet optical transceiver module is connected with the optical interface module by its special purpose interface, the optical interface module is connected on the optical fiber interface on the housing simultaneously, in the present embodiment, what the optical interface module adopted is the BB5315 module of Jiangsu Thunder God difficult to understand department, this optical interface module can be converted to light signal the PECL signal or be light signal with the PECL conversion of signals, and Ethernet optical transceiver module and optical interface module are finished the communication function of optical fiber side jointly.The Ethernet optical transceiver is connected with the Ethernet microcontroller by the MII interface, the Ethernet microcontroller is connected with network transformer by special purpose interface, network transformer is connected on the network interface on the housing, in the present embodiment, the Ethernet microcontroller has adopted the RTL8305SB chip with four-hole exchange, network transformer has adopted PPT PM4G-100GH module, equipment such as the network terminal in the data communication network or switch can be directly connected on the RJ45 interface on the housing, combine with Ethernet microcontroller and the network transformer network communicating function of realization four road interfaces of Ethernet optical transceiver module.Ethernet optical transceiver module also bus mode is connected with the CPLD module, the CPLD module is connected with call processing module by special purpose interface, call processing module is connected on the telephony interface on the housing, in the present embodiment, the CPLD module is the XC95144XL of an Xilinx company chip, what call processing module adopted is the SHL203 module of Shenzhen match fox electronics corporation, the CPLD module is a programmable processing module, the control program of its storage inside carries out the transmission and the control of data by bus mode and Ethernet optical transceiver module on the one hand, control the SHL203 call processing module on the other hand, carry out voice call communication.

Optical interface module in the control circuit links to each other with optical fiber communication status indicator lamp on the housing, and the Ethernet microcontroller connects the network work status indicator lamp, and call processing module connects the phone works status indicator lamp, and power transfer module connects power supply indicator.

The course of work of the present utility model is as follows: light signal enters the optical interface module and by it light signal is converted to the PECL differential signal transmission by the optical fiber interface on the housing gives Ethernet fibre-optic terminus machine module RC7017, transmission and control that the RC7017 module is connected and finishes Ethernet data by MII interface and the MII interface of Ethernet microcontroller RTL8305SB, network transformer directly drive the network interface card or the network switch that is connected on the housing; The program that the XC95144 chip presets by inside is finished the sampling of four road call processing modules and switching is handled, and the accessory channel that phone and signaling are sent into the RC7017 module in the mode of bus is finished the transmission and the control of call voice.

Claims

1. ethernet optical fiber transceiver, connect and compose by housing and inner control circuit thereof, control circuit is by Ethernet optical transceiver module, the optical interface module, the Ethernet microcontroller, network transformer and power transfer module connect and compose, the power transfer module that is connected with supply socket on the housing is the control circuit power supply, Ethernet optical transceiver module is connected with the optical interface module by special purpose interface, the optical interface module is connected on the optical fiber interface on the housing, Ethernet optical transceiver module is connected with the Ethernet microcontroller by the MII interface, the Ethernet microcontroller is connected with network transformer by special purpose interface, network transformer is connected on the network interface on the housing, it is characterized in that: Ethernet optical transceiver module is connected with the CPLD module by bus mode, the CPLD module is connected with call processing module by special purpose interface, and call processing module is connected on the telephony interface on the housing.

2. a kind of ethernet optical fiber transceiver according to claim 1, it is characterized in that: the optical interface module in the described control circuit links to each other with optical fiber communication status indicator lamp on the housing, the Ethernet microcontroller connects the network work status indicator lamp, call processing module connects the phone works status indicator lamp, and power transfer module connects power supply indicator.

3. a kind of ethernet optical fiber transceiver according to claim 1 is characterized in that: the quantity of described network interface is 1～4, and the quantity of described telephony interface is 1～4.

4. a kind of ethernet optical fiber transceiver according to claim 1, it is characterized in that: described Ethernet optical transceiver module is the two light mouth chip RC7017 of 100M Ethernet and 8E1 hybrid multiplex, the XC95144XL chip that described CPLD module is an Xilinx company, what described telephony interface module adopted is the SHL203 module of Shenzhen match fox electronics corporation, described optical interface module is the BB5315 module of Jiangsu Thunder God difficult to understand department, described Ethernet microprocessor has adopted the RTL8305SB chip, described network transformer has adopted PPT PM4G-100GH module, and described power transfer module has adopted the LM1117 chip.