CN203166924U - Gigabit ring-network optical transmitter and receiver - Google Patents
Gigabit ring-network optical transmitter and receiver Download PDFInfo
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- CN203166924U CN203166924U CN 201320132278 CN201320132278U CN203166924U CN 203166924 U CN203166924 U CN 203166924U CN 201320132278 CN201320132278 CN 201320132278 CN 201320132278 U CN201320132278 U CN 201320132278U CN 203166924 U CN203166924 U CN 203166924U
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Abstract
The utility model relates to a gigabit ring-network optical transmitter and receiver, which is technically characterized by comprising a main board, a power supply board and an E1 interface board. The power supply board is connected with the main board to supply power for the main board; and the main board comprises a central processing module, a network management module, a dual-SFP (Small Form-factor Pluggable) optical module port and a gigabit Ethernet port, wherein the central processing module is respectively connected with the network management module, the dual-SFP optical module port and the gigabit Ethernet port, and the central processing module is connected with the E1 interface board via connectors. The gigabit ring-network optical transmitter and receiver is reasonable in design, employs a double-optical-port multiplexer chip (RC4020) to process two paths of light signals, and possesses functions of the gigabit Ethernet interface and the E1 interface, so that the PDH (Plesiochronous Digital hierarchy) optical transmitter and receiver can form a self-healing ring network, the gigabit Ethernet can form a self-healing network, and the E1 interface and the gigabit Ethernet can form a self-healing network; and investment cost is saved to the largest extent, and transmission efficiency and safety are greatly improved.
Description
Technical field
The utility model belongs to the optical communication technique field, especially a kind of gigabit looped network optical transceiver.
Background technology
In optical communication system, PDH (Plesiochronous Digital Hierarchy, PDH (Pseudo-synchronous Digital Hierarchy)) is a kind of transmission technology commonly used.The PDH communication system is a kind of high speed, high-capacity optical fiber transmission technology and high flexible, is convenient to manage the combination of the intelligent network technology of control again, has obtained using widely, becomes one of basic technology of high speed information highway.At present, the PDH optical transceiver adopts the point-to-point communication mode usually, optical transceiver is installed in the two ends of optical fiber respectively (as the most frequently used fiber optic Ethernet transceiver, utilize optical fiber to connect the computer network at two ends), this point-to-point networking mode is in important transmission networks such as electric power, broadcasting and TV, public security, army, be very restricted, this be because, existing P DH optical transceiver equipment can't be realized the Self-healing Rings networking, more can't realize the group ring function of built-in gigabit networking, be difficult to improve efficiency of transmission and the fail safe of optical fiber communication, also increased cost of investment simultaneously.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of gigabit looped network optical transceiver that has the Self-healing Rings networking function and can improve efficiency of transmission and fail safe is provided.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of gigabit looped network optical transceiver, comprise mainboard, power panel and E1 interface board, described power panel is connected with mainboard and is its power supply, described mainboard comprises central processing module, webmaster module and is arranged on two SFP optical module ports and gigabit ethernet port on the mainboard, central processing module reaches two SFP optical module ports with the webmaster module respectively, gigabit ethernet port is connected, and this central processing module is connected with the E1 interface board by connector.
And described power panel comprises 48V direct current source plate and 220V alternating current source plate.
And described mainboard also is provided with the webmaster port, and central processing module is by the webmaster port realization network management function that is connected with controller.
And the E1 interface board that described E1 interface board is balance perhaps is nonequilibrium E1 interface board.
And described E1 interface board is provided with 4,8 or 16 E1 interfaces.
And described mainboard also is provided with switch, and central processing module is connected with the kilomega network ethernet port by switch.
And described kilomega network ethernet port comprises three electrical interfaces and an optical interface.
And, described central processing module adopts the RC7020 chip, described webmaster module adopts the CARMJ single-chip microcomputer, two optical module ports are by the O/E modular converter and be connected to the LA of RC7020 chip in the LVDS mode, on LB port and the CARMJ single-chip microcomputer, gigabit ethernet interface is by switch and be connected in the GMII mode on the GMII port of RC7020 chip, the webmaster port is by the RS232 module and be connected in the NRZ mode on the XE port and CARMJ single-chip microcomputer of RC7020 chip, the e1 port of RC7020 chip is connected on the E1 interface board, and the XBUS port of RC7020 chip is connected with the CARMJ single-chip microcomputer simultaneously.
Advantage of the present utility model and good effect are:
The utility model adopts two light mouth mux chips (RC7020) that two ways of optical signals is handled, have gigabit ethernet interface and E1 interface function simultaneously, form self-healing looped network, E1 interface and gigabit Ethernet and form self-healing looped network thereby make the PDH optical transceiver can form self-healing looped network, gigabit Ethernet, saved cost of investment to greatest extent, greatly improved efficiency of transmission and fail safe.
Description of drawings
Fig. 1 is circuit block diagram of the present utility model;
Fig. 2 is motherboard circuit block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of gigabit looped network optical transceiver, as shown in Figure 1, comprise mainboard, power panel and E1 interface board, described power panel comprises 48V direct current source plate and 220V alternating current source plate, 48V direct current source plate is changed and the output DC source the 48V direct-current input power supplying, 220V alternating current source plate is changed and the output DC source the 220V AC power, and the DC power supply of 48V direct current source plate and the output of 220V alternating current source plate is connected to and is main board power supply on the mainboard, and the duplicate supply plate has guaranteed the reliability of equipment.Described mainboard comprises central processing module, webmaster module and is arranged on two SFP optical module ports, gigabit ethernet port, switch (Switch) and webmaster port on the mainboard, two SFP optical module ports are as 2.5G optical fiber access interface, realize light mouth 1+1 protection, form Self-healing Rings; The kilomega network ethernet port comprises three electrical interfaces and an optical interface; Network management interface adopts the RS232 interface to be connected with Network Management Equipment.Mainboard is connected with the E1 interface board by connector, and the E1 interface board can adopt the E1 interface board of balance, also can adopt nonequilibrium E1 interface board, is provided with 4,8 or 16 E1 interfaces at the E1 interface board.
Below in conjunction with an example mainboard is described.As shown in Figure 2; central processing module on the mainboard adopts the RC7020 chip; this RC7020 chip is a pair of light mouth mux chip; line speed is 1.25Gb/s; multiplexing 1 road GE signal of each circuit mouth; professional and 1 road E1 subscriber channel of 88 road E1 is supported looped network protection, supports HDLC remote network management and ATD automated topology development function.Webmaster module on the mainboard adopts CARMJ single-chip microcomputer (ARM chip) to realize corresponding network management function.Two optical module ports are connected on LA, LB port and the CARMJ single-chip microcomputer of RC7020 chip by the O/E modular converter in the LVDS mode, gigabit ethernet interface is by switch (Switch) and be connected in the GMII mode on the GMII port of RC7020 chip, the webmaster port is by the RS232 module and be connected in the NRZ mode on the XE port and CARMJ single-chip microcomputer of RC7020 chip, the e1 port of RC7020 chip is connected on the E1 interface board, and the XBUS port of RC7020 chip is connected with the CARMJ single-chip microcomputer simultaneously.
The utility model is connected respectively to constituting self-healing looped network on the 1.25G light path by two SFP optical module ports, form self-healing looped network by gigabit ethernet port, form self-healing looped network by gigabit ethernet port and e1 port, thereby utilize the PDH technology to realize the function of SDH Self-healing Rings and gigabit switch group ring.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model comprises and is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other execution modes that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.
Claims (8)
1. gigabit looped network optical transceiver, it is characterized in that: comprise mainboard, power panel and E1 interface board, described power panel is connected with mainboard and is its power supply, described mainboard comprises central processing module, webmaster module and is arranged on two SFP optical module ports and gigabit ethernet port on the mainboard, central processing module reaches two SFP optical module ports with the webmaster module respectively, gigabit ethernet port is connected, and this central processing module is connected with the E1 interface board by connector.
2. a kind of gigabit looped network optical transceiver according to claim 1, it is characterized in that: described power panel comprises 48V direct current source plate and 220V alternating current source plate.
3. a kind of gigabit looped network optical transceiver according to claim 1 and 2, it is characterized in that: described mainboard also is provided with the webmaster port, and central processing module is by the webmaster port realization network management function that is connected with controller.
4. a kind of gigabit looped network optical transceiver according to claim 3, it is characterized in that: the E1 interface board that described E1 interface board is balance perhaps is nonequilibrium E1 interface board.
5. a kind of gigabit looped network optical transceiver according to claim 4, it is characterized in that: described E1 interface board is provided with 4,8 or 16 E1 interfaces.
6. a kind of gigabit looped network optical transceiver according to claim 1 and 2, it is characterized in that: described mainboard also is provided with switch, and central processing module is connected with the kilomega network ethernet port by switch.
7. a kind of gigabit looped network optical transceiver according to claim 1 and 2, it is characterized in that: described kilomega network ethernet port comprises three electrical interfaces and an optical interface.
8. a kind of gigabit looped network optical transceiver according to claim 1 and 2, it is characterized in that: described central processing module adopts the RC7020 chip, described webmaster module adopts the CARMJ single-chip microcomputer, two optical module ports are by the O/E modular converter and be connected to the LA of RC7020 chip in the LVDS mode, on LB port and the CARMJ single-chip microcomputer, gigabit ethernet interface is by switch and be connected in the GMII mode on the GMII port of RC7020 chip, the webmaster port is by the RS232 module and be connected in the NRZ mode on the XE port and CARMJ single-chip microcomputer of RC7020 chip, the e1 port of RC7020 chip is connected on the E1 interface board, and the XBUS port of RC7020 chip is connected with the CARMJ single-chip microcomputer simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320132278 CN203166924U (en) | 2013-03-22 | 2013-03-22 | Gigabit ring-network optical transmitter and receiver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320132278 CN203166924U (en) | 2013-03-22 | 2013-03-22 | Gigabit ring-network optical transmitter and receiver |
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| Publication Number | Publication Date |
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| CN203166924U true CN203166924U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320132278 Expired - Fee Related CN203166924U (en) | 2013-03-22 | 2013-03-22 | Gigabit ring-network optical transmitter and receiver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469331A (en) * | 2013-09-24 | 2015-03-25 | 上海欧脉电子科技发展有限公司 | Single-fiber serial-connection many-to-one optical transmitter and receiver |
-
2013
- 2013-03-22 CN CN 201320132278 patent/CN203166924U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469331A (en) * | 2013-09-24 | 2015-03-25 | 上海欧脉电子科技发展有限公司 | Single-fiber serial-connection many-to-one optical transmitter and receiver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Gao Yingli Document name: Notification that Application Deemed not to be Proposed |
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| ASS | Succession or assignment of patent right |
Owner name: TIANJIN RUILITONG SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHAO FAYI Effective date: 20140512 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140512 Address after: 300192, room 1508, agricultural building, 268 Bai Causeway Road, Tianjin, Nankai District Patentee after: Tianjin Ruilitong Science & Technology Co., Ltd. Address before: 300192, room 1503-1508, agricultural building, 268 Bai Causeway Road, Tianjin, Nankai District Patentee before: Zhao Fayi |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20150322 |
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| EXPY | Termination of patent right or utility model |