CN201699712U - Multi-service switching-on optical transceiver - Google Patents

Multi-service switching-on optical transceiver Download PDF

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Publication number
CN201699712U
CN201699712U CN2010202139904U CN201020213990U CN201699712U CN 201699712 U CN201699712 U CN 201699712U CN 2010202139904 U CN2010202139904 U CN 2010202139904U CN 201020213990 U CN201020213990 U CN 201020213990U CN 201699712 U CN201699712 U CN 201699712U
Authority
CN
China
Prior art keywords
interface
optical transceiver
service
optical
audio signal
Prior art date
Application number
CN2010202139904U
Other languages
Chinese (zh)
Inventor
徐建峰
吴积峰
孙勇
Original Assignee
常州华龙通信科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 常州华龙通信科技有限公司 filed Critical 常州华龙通信科技有限公司
Priority to CN2010202139904U priority Critical patent/CN201699712U/en
Application granted granted Critical
Publication of CN201699712U publication Critical patent/CN201699712U/en

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Abstract

The utility model relates to a multi-service switching-on optical transceiver, which comprises an audio signal interface, an Ethernet interface, a sixteen-path video signal input/output interface, an E1 interface, an RS2323 interface or an RS422 interface or an RS485 interface and a telephone line interface, wherein the audio signal interface is arranged on a panel at the front end of a shell and is used for inputting and outputting an audio signal; the RS2323 interface or the RS422 interface or the RS485 interface is used for connected with a cloud platform serial control line of a camera; all the interfaces are connected with an FPGA used for realizing communication protocol conversion by an analog-to-digital converter; and the FPGA is connected with an optical module used for realizing remote data transmission and communication by an electro-optical signal converter. The optical transceiver adopts the full digital uncompression technology and is the optical communication equipment integrated with the video, the audio, the data, the switching value and the Ethernet for multi-service transmission.

Description

Multi-service inserts optical transceiver
Technical field
The utility model relates to the terminal equipment of optical signal transmission, specifically is that multi-service inserts optical transceiver.
Background technology
In the remote fiber transmission, optical cable is very little to the transmission influence of signal, and the transmission quality of fiber optic transmission system depends primarily on the quality of optical transceiver, because optical transceiver is responsible for opto-electronic conversion and light emission and light-receiving, and its good and bad whole system that directly influences.
Traditional optical transceiver adopts analog fm, phase modulation, amplitude modulation multiple signals, is prone to the situation of phase mutual interference when transmitting simultaneously, and has easily affected by environment, defectives such as transmission quality is low, poor stability.
Summary of the invention
Technical problem to be solved in the utility model provides the multi-service that a kind of reliability and stability are better, interference free performance is higher and inserts optical transceiver.
For solving the problems of the technologies described above, the utility model provides a kind of multi-service to insert optical transceiver, comprise: be located at the audio signal interface that is used for the input and output audio signal on the housing front console, Ethernet interface, ten six tunnel vision signal input/output interfaces, the E1 interface is used for the RS232 interface or RS422 interface or the RS485 interface that link to each other with the The Cloud Terrace serial ports control line of video camera, telephone line interface; Above-mentioned each interface links to each other with the FPGA that is used to realize the communications protocol conversion by analog to digital converter, described FPGA by photoelectric signal converter be used to realize that the optical module of remote data transmission and communication links to each other.
Further, the interface of described optical module is located on the rear end panel of described housing.
Further, also be provided with power interface and the indicator light that is used to indicate above-mentioned each interface operating state on the rear end panel of described housing.
The utlity model has positive effect: it is to adopt digital no compress technique that (1) multi-service of the present utility model inserts optical transceiver, collection video, audio frequency, data, switching value, Ethernet are the optical communication equipment that one is carried out the multi-service transmission, have the advantages that reliability and stability are better, interference free performance is higher.Support high-resolution motion, the undistorted transmission of still image, overcome traditional analog frequency modulation, phase modulation, phase mutual interference when AM light terminal multiple signals transmit simultaneously, easy affected by environment, defectives such as transmission quality is low, poor stability.This equipment can be with 16 road videos, 7 circuit-switched data (RS232 and RS422/RS485 are optional) or audio frequency or switching value, and signal multiplexings such as 3 road Ethernets transmit on same optical fiber.Can be configured according to user's actual needs, realize various networking plans flexibly, greatly reduce networking cost.(2) ten six way word video optical multiplexers are widely used in numerous areas such as safety monitoring, highway, electronic police, automatic intelligent sub-district, customs, electric power, water conservancy, oil, chemical industry, iron and steel.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is that the multi-service among the embodiment inserts optical transceiver circuit structure block diagram.
Embodiment
See Fig. 1, the multi-service of present embodiment inserts optical transceiver and comprises: be located at the audio signal interface that is used for the input and output audio signal on the housing front console, Ethernet interface, the vision signal input/output interface, the E1 interface, be used for the RS232 interface or RS422 interface or the RS485 interface that link to each other with the The Cloud Terrace serial ports control line of video camera, telephone line interface; Above-mentioned each interface is realized the FPGA(field programmable gate array of communications protocol conversion by analog to digital converter and being used to) link to each other, described FPGA by photoelectric signal converter be used to realize that the optical module of remote data transmission and communication links to each other.
The interface of described optical module is located on the rear end panel of described housing.
Also be provided with power interface and the indicator light that is used to indicate above-mentioned each interface operating state on the rear end panel of described housing.
As the execution mode of optimizing, the performance characteristic that the multi-service of present embodiment inserts optical transceiver is as follows:
1), optical fiber interface
Physics pattern FC/PC, ST/PC, SC/PC
Optical fiber kind single mode/multimode fiber, single fiber or two fibre
Transmission range single mode 0-20km,, 0-40km, 0-60km
Multimode 0-500m
2), video interface
Physics pattern BNC 75-5 seat (1-16 road)
Video I/O 1Vpp peak-to-peak voltage (75 Ω)
Video bandwidth 5Hz – 10MHz
Differential gain ditortion<2%
Differential phase distortion<0.7%
Field tilt<1%
Signal to noise ratio (snr)〉67dB
Accept sensitivity-34dbm
The operational mode one-way/two-way
3), data-interface (RS-232/RS-422/RS485 interface)
Physics pattern four-core industry terminal (the 1-7 road is optional)
Consensus standard RS-232/RS-422/RS485 is optional
Data format NRZ
Traffic rate<300Kbps
The operational mode simplex/duplex
4), audio signal interface
Physics pattern four-core industry terminal (the 1-7 road is optional)
Audio frequency I/O impedance 600 Ω balances/non-equilibrium
Audio frequency I/O level typical case 0dBm
Frequency response 10Hz – 20KHz
Digital bit wide 24 bits of audio frequency
Signal to noise ratio 80DB
5), switching signal interface
Physical form four-core industry terminal (the 1-14 road is optional)
Switching value input optocoupler input 0/5V
Switching value output relay output 0.1A
6), Ethernet interface
Physics pattern RJ-45 seat (the 1-3 road is optional)
Compatible protocol IEEE802.3/IEEE802.3u
Transmission rate 10/100M self adaptation
User model self adaptation/half-duplex/full duplex
Obviously, the foregoing description only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection range of the present utility model.

Claims (3)

1. a multi-service inserts optical transceiver, it is characterized in that comprising: be located at the audio signal interface that is used for the input and output audio signal on the housing front console, Ethernet interface, ten six tunnel vision signal input/output interfaces, the E1 interface, be used for the RS232 interface or RS422 interface or the RS485 interface that link to each other with the The Cloud Terrace serial ports control line of video camera, telephone line interface; Above-mentioned each interface links to each other with the FPGA that is used to realize the communications protocol conversion by analog to digital converter, described FPGA by photoelectric signal converter be used to realize that the optical module of remote data transmission and communication links to each other.
2. multi-service according to claim 1 inserts optical transceiver, and it is characterized in that: the interface of described optical module is located on the rear end panel of described housing.
3. multi-service according to claim 2 inserts optical transceiver, it is characterized in that: also be provided with power interface and the indicator light that is used to indicate above-mentioned each interface operating state on the rear end panel of described housing.
CN2010202139904U 2010-06-03 2010-06-03 Multi-service switching-on optical transceiver CN201699712U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202139904U CN201699712U (en) 2010-06-03 2010-06-03 Multi-service switching-on optical transceiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202139904U CN201699712U (en) 2010-06-03 2010-06-03 Multi-service switching-on optical transceiver

Publications (1)

Publication Number Publication Date
CN201699712U true CN201699712U (en) 2011-01-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202139904U CN201699712U (en) 2010-06-03 2010-06-03 Multi-service switching-on optical transceiver

Country Status (1)

Country Link
CN (1) CN201699712U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103312417A (en) * 2013-06-14 2013-09-18 成都思迈科技发展有限责任公司 Multiport RS232/485 data optical transceiver
CN103312418A (en) * 2013-06-28 2013-09-18 成都思迈科技发展有限责任公司 Universal serial bus (USB) interface optical transceiver
CN103580756A (en) * 2013-11-13 2014-02-12 四川微迪通信技术有限公司 Multi-channel independent Ethernet integrated service unvarnished transmission optical transceiver
CN104243255A (en) * 2014-10-16 2014-12-24 成都思迈科技发展有限责任公司 Integrated service access system
CN104270382A (en) * 2014-10-16 2015-01-07 成都思迈科技发展有限责任公司 Integrated digital transmission system
CN108933625A (en) * 2018-07-27 2018-12-04 中国核动力研究设计院 A kind of RS485 electrical/optical signal conversion method and digitlization instrument control platform
CN108964759A (en) * 2018-07-26 2018-12-07 中国核动力研究设计院 A kind of RS485 communicating light signal is converted to the device of electric signal
CN109412693A (en) * 2019-01-07 2019-03-01 上海海洋大学 Multi-channel electric signal turns Fiber Optical Communication System and method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103312417A (en) * 2013-06-14 2013-09-18 成都思迈科技发展有限责任公司 Multiport RS232/485 data optical transceiver
CN103312418A (en) * 2013-06-28 2013-09-18 成都思迈科技发展有限责任公司 Universal serial bus (USB) interface optical transceiver
CN103580756A (en) * 2013-11-13 2014-02-12 四川微迪通信技术有限公司 Multi-channel independent Ethernet integrated service unvarnished transmission optical transceiver
CN104243255A (en) * 2014-10-16 2014-12-24 成都思迈科技发展有限责任公司 Integrated service access system
CN104270382A (en) * 2014-10-16 2015-01-07 成都思迈科技发展有限责任公司 Integrated digital transmission system
CN108964759A (en) * 2018-07-26 2018-12-07 中国核动力研究设计院 A kind of RS485 communicating light signal is converted to the device of electric signal
CN108933625A (en) * 2018-07-27 2018-12-04 中国核动力研究设计院 A kind of RS485 electrical/optical signal conversion method and digitlization instrument control platform
CN109412693A (en) * 2019-01-07 2019-03-01 上海海洋大学 Multi-channel electric signal turns Fiber Optical Communication System and method

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