CN201750417U - Two-way network management optical workstation - Google Patents
Two-way network management optical workstation Download PDFInfo
- Publication number
- CN201750417U CN201750417U CN2010200594149U CN201020059414U CN201750417U CN 201750417 U CN201750417 U CN 201750417U CN 2010200594149 U CN2010200594149 U CN 2010200594149U CN 201020059414 U CN201020059414 U CN 201020059414U CN 201750417 U CN201750417 U CN 201750417U
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- descending
- optical
- output
- way
- downlink
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Abstract
The utility model relates to cable television (CATV) optical network equipment, in particular to a two-way network management optical workstation which comprises a downlink optical receiving circuit and an uplink optical transmitting circuit. The downlink optical receiving circuit comprises a downlink optical input end. The downlink optical input end is sequentially connected with an automatic gain control (AGC) optical receiving module, a main level regulator, a downlink equalizer, a pre-amplifier and a downlink distributor in series. The uplink optical transmitting circuit comprises an uplink level regulator, three-state switches, a distributor 1 and an optical transmitting circuit. The performance of the workstation is stable and reliable and can adapt to all kinds of working environments; and the two-way transmission working method is adopted, separate power supply ports are reserved, each port in a machine is provided with a test port for negative 18dB downlink output and a downlink multifunctional feed port, jumper setting is adopted, network management interfaces with multiple practical network management functions are provided and the workstation can be matched with front-end network management software.
Description
Technical field
The utility model relates to the CATV optical network device, is specifically related to a kind of two-way webmaster optical workstation.
Background technology
One of key equipment that the bi-directional light work station is transformed as the CATV optical-fiber network, existing its function imperfection of bi-directional light work station; But can not its operating state of remote adjustment, the compensation optical link changes; Poor reliability, affect the operation cost of network, high in the past frequency modulated light station all is that import equipment rules all the land, but the import equipment after-sale service is difficult to guarantee, the stability of its work, poor reliability, the more out of the question remote status of the intelligent control management and network equipment monitoring is so be difficult to satisfy developing rapidly of Fibre Optical Communication Technology.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, the two-way webmaster optical workstation of the radio-frequency (RF) index of a kind of perfect functions, high reliability, high-quality is provided, and this two-way webmaster optical workstation can be realized what the remote status of the intelligent control management and the network equipment was monitored.
A kind of two-way webmaster optical workstation comprises descending optical receiving circuit and up optical transmission circuit; Wherein descending optical receiving circuit comprises descending light input end, and descending light input end is connected with descending AGC Optical Receivers, main level regulator, descending equalizer, preamplifier and descending distributor successively; Descending distributor is divided into the two-way parallel connection with the signal of telecommunication and is connected with the descending distributor of secondary, and the descending distributor of secondary is divided into the two-way parallel connection with the signal of telecommunication and is connected with descending output amplifier; Each circuit in the descending output amplifier comprises adjustable attenuator, adjustable equalizer, preamplifier, the bidirectional filter plug-in unit of serial connection successively; Every road bidirectional filter plug-in unit comprises level sensitive circuit, radio frequency signal detector and electric capacity that high go side is connected with the output of preamplifier; This electric capacity is divided into the two-way parallel connection with the signal of telecommunication, and one the tunnel is connected with two-way output circuit, and one the tunnel comprises overcurrent inductance, the feeding switch of serial connection successively, and described each feeding switch is connected with Switching Power Supply; Up optical transmission circuit comprises up level regulator, tri-state switch, distributor 1 and optical transmission circuit; Wherein the low go side of the level detector in the above-mentioned bidirectional filter plug-in unit of the input of up level regulator difference connects, and its output is connected with the input of tri-state switch respectively; Be connected with a uplink assignment device respectively after the parallel connection in twos of the output of four tri-state switch, be connected with a up total points orchestration after the parallel connection of two uplink assignment devices again, the output of up total points orchestration is connected with the input of optical transmission circuit; Optical transmission circuit comprises radio frequency signal detector, up radio frequency amplifier, up equalizer, the up light emission module of series connection successively, up light emission module output light signal, feeding switch is connected, corresponding feed indicator light is lighted, it is also just charged to be attached thereto the port that connects, each port of tri-state switch all has A, and one group of state of a control of two compositions of B is controlled by toggle switch.When AB is 10, corresponding port up open-minded, when AB was 01, the up of corresponding port closed, when AB is 00, the up 6dB decay of corresponding port.
Described descending AGC Optical Receivers is connected with the input power display.
The descending AGC Optical Receivers output of described descending optical receiving circuit is provided with radio frequency signal detector, described each radio frequency signal detector of descending optical receiving circuit is provided with a network management interface, and the radio frequency signal detector of described up optical transmission circuit is provided with a network management interface.
This optical workstation is stable and reliable for performance, can adapt to various operational environments; Be the transmitted in both directions working method, leave independent power supply port, in the machine every port have-18dB under the test port of line output, descending multi-functional feed-in mouth, wire jumper is provided with: multi-functional feed-in mouth of AD+BC and light are received the pure amplifier pattern of mixed mode BD, multi-functional mouthful is the input signal mouth, the pure light of BC is received pattern, multi-functional no effect, CD light-receiving test pattern, multi-functional mouthful is Optical Receivers monitoring mouth, network management interface with numerous practical network management functions, cooperate the front end webmastering software, can manage each output channel, remote adjustment output level and up each channel gain can be to supply power voltages, this electromechanics stream, up light is sent out power, descending light receiving power, the power work state, physical quantitys such as output level are monitored.
The utility model is described in further detail below by drawings and Examples.
Description of drawings
Fig. 1 is the schematic block circuit diagram of a kind of two-way webmaster optical workstation of the utility model.
Concrete execution mode
Embodiment 1
As shown in Figure 1, a kind of two-way webmaster optical workstation comprises descending optical receiving circuit and up optical transmission circuit; Wherein descending optical receiving circuit comprises descending light input end 1, and descending light input end 1 is connected with descending AGC Optical Receivers 2, main level regulator 3, descending equalizer 4, preamplifier 5 and descending distributor 6 successively; Descending distributor 6 is divided into the two-way parallel connection with the signal of telecommunication and is connected with the descending distributor 61 of secondary, and the descending distributor 61 of secondary is divided into the two-way parallel connection with the signal of telecommunication and is connected with descending output amplifier; Each circuit in the descending output amplifier comprises adjustable attenuator 62, adjustable equalizer 63, preamplifier 64, the bidirectional filter plug-in unit of serial connection successively; Every road bidirectional filter plug-in unit comprises level sensitive circuit 71, radio frequency signal detector 72 and electric capacity 73 that high go side is connected with the output of preamplifier 64; This electric capacity 73 is divided into the two-way parallel connection with the signal of telecommunication, and one the tunnel is connected with two-way output circuit 74, and one the tunnel comprises overcurrent inductance 741, the feeding switch 742 of serial connection successively, and described each feeding switch 742 is connected with Switching Power Supply 8; Up optical transmission circuit comprises up level regulator 91, tri-state switch 92, distributor 93 and optical transmission circuit; The low go side of the level detector 71 in the above-mentioned bidirectional filter plug-in unit of input difference of wherein up level regulator 91 connects, and its output is connected with the input of tri-state switch 92 respectively; Be connected with a uplink assignment device 93 respectively after the parallel connection in twos of the output of four tri-state switch 92, be connected with a up total points orchestration 94 after two uplink assignment device 93 parallel connections again, the output of up total points orchestration 94 is connected with the input of optical transmission circuit; Optical transmission circuit comprises radio frequency signal detector 95, up radio frequency amplifier 96, up equalizer 97, the up light emission module 98 of series connection successively, up light emission module 98 output light signals 99, tri-state switch 92 each port all have A, one group of state of a control of two compositions of B is controlled by toggle switch.When AB is 10, corresponding port up open-minded, when AB was 01, the up of corresponding port closed, when AB is 00, the up 6dB decay of corresponding port.Described descending AGC Optical Receivers 2 is connected with input power display 21.
Embodiment 2
As shown in Figure 1, descending AGC Optical Receivers 2 outputs of described descending optical receiving circuit are provided with radio frequency signal detector 22, each radio frequency signal detector 22,72 of described descending optical receiving circuit is provided with a network management interface, and the radio frequency signal detector 95 of described up optical transmission circuit is provided with a network management interface.
Claims (3)
1. two-way webmaster optical workstation, it is characterized in that: a kind of two-way webmaster optical workstation comprises descending optical receiving circuit and up optical transmission circuit; Wherein descending optical receiving circuit comprises descending light input end, and descending light input end is connected with descending AGC Optical Receivers, main level regulator, descending equalizer, preamplifier and descending distributor successively; Descending distributor is divided into the two-way parallel connection with the signal of telecommunication and is connected with the descending distributor of secondary, and the descending distributor of secondary is divided into the two-way parallel connection with the signal of telecommunication and is connected with descending output amplifier; Each circuit in the descending output amplifier comprises adjustable attenuator, adjustable equalizer, preamplifier, the bidirectional filter plug-in unit of serial connection successively; Every road bidirectional filter plug-in unit comprises level sensitive circuit, radio frequency signal detector and electric capacity that high go side is connected with the output of preamplifier; This electric capacity is divided into the two-way parallel connection with the signal of telecommunication, and one the tunnel is connected with two-way output circuit, and one the tunnel comprises overcurrent inductance, the feeding switch of serial connection successively, and described each feeding switch is connected with Switching Power Supply; Up optical transmission circuit comprises up level regulator, tri-state switch, distributor 1 and optical transmission circuit; Wherein the input of up level regulator is connected with the low go side of level detector in the above-mentioned bidirectional filter plug-in unit respectively, and its output is connected with the input of tri-state switch respectively; Be connected with a uplink assignment device respectively after the parallel connection in twos of the output of four tri-state switch, be connected with a up total points orchestration after the parallel connection of two uplink assignment devices again, the output of up total points orchestration is connected with the input of optical transmission circuit; Optical transmission circuit comprises radio frequency signal detector, up radio frequency amplifier, up equalizer, the up light emission module of series connection successively, up light emission module output light signal, feeding switch is connected, corresponding feed indicator light is lighted, it is also just charged to be attached thereto the port that connects, each port of tri-state switch all has A, and one group of state of a control of two compositions of B is controlled by toggle switch.
2. according to the described a kind of two-way webmaster optical workstation of claim 1, it is characterized in that: described descending AGC Optical Receivers is connected with the input power display.
3. according to the described a kind of two-way webmaster optical workstation of claim 1, it is characterized in that: the descending AGC Optical Receivers output of described descending optical receiving circuit is provided with radio frequency signal detector, described each radio frequency signal detector of descending optical receiving circuit is provided with a network management interface, and the radio frequency signal detector of described up optical transmission circuit is provided with a network management interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200594149U CN201750417U (en) | 2010-01-22 | 2010-01-22 | Two-way network management optical workstation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200594149U CN201750417U (en) | 2010-01-22 | 2010-01-22 | Two-way network management optical workstation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201750417U true CN201750417U (en) | 2011-02-16 |
Family
ID=43585090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200594149U Expired - Fee Related CN201750417U (en) | 2010-01-22 | 2010-01-22 | Two-way network management optical workstation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201750417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410846A (en) * | 2014-12-11 | 2015-03-11 | 成都新光微波工程有限责任公司 | Optical workstation of digital television |
-
2010
- 2010-01-22 CN CN2010200594149U patent/CN201750417U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410846A (en) * | 2014-12-11 | 2015-03-11 | 成都新光微波工程有限责任公司 | Optical workstation of digital television |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FUJIAN SHITONG OPTOELECTRONIC NETWORK CO., LTD. Free format text: FORMER NAME: QUANZHOU CITY SHITONG OPTOELECTRONIC NETWORK CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Taihua road in Licheng District of Quanzhou City, Fujian Province, No. 1 362000 Patentee after: Fujian Shitong Optical Network Co., Ltd. Address before: Pass the lane of Licheng District of Quanzhou city in Fujian province 362000 No. 1 Building 3 layer 2-4 Patentee before: Quanzhou City Shitong Optoelectronic Network Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Taihua road in Licheng District of Quanzhou City, Fujian Province, No. 1 362000 Patentee after: FUJIAN ZHONGGENG SHITONG INFORMATION TECH CO LTD Address before: Taihua road in Licheng District of Quanzhou City, Fujian Province, No. 1 362000 Patentee before: Fujian Shitong Optical Network Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20160122 |
|
| EXPY | Termination of patent right or utility model |