CN103001700A - Centralized remote KVM (Keyboard and Video and Mouse) system based on optical cable device - Google Patents
Centralized remote KVM (Keyboard and Video and Mouse) system based on optical cable device Download PDFInfo
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- CN103001700A CN103001700A CN2012105030841A CN201210503084A CN103001700A CN 103001700 A CN103001700 A CN 103001700A CN 2012105030841 A CN2012105030841 A CN 2012105030841A CN 201210503084 A CN201210503084 A CN 201210503084A CN 103001700 A CN103001700 A CN 103001700A
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Abstract
The invention discloses a centralized remote KVM (Keyboard and Video and Mouse) system based on optical cable device, relating to the technical field of remote transmission. The centralized remote KVM system comprises a central machine room and a remote terminal; a work station inside the central machine room is connected with a KVM switcher inside the central machine room through a network; the KVM switcher inside the central machine room is connected with a protocol switcher inside the central machine room through the network; the protocol switcher inside the central machine room is connected with a protocol switcher inside the remote terminal; and the protocol switcher inside the remote terminal is connected with a keyboard, a mouse and a display through a KVM decoder. In the system, the protocol switchers are adopted for accessing video signals in an optical network, so that the relay performance and anti-interference performance of signals are improved, the distortion and blind spot of signals are prevented, the maximum transmission distance between the KVM switchers can reach 40KM or even longer, and long-distance signal transmission is realized.
Description
Technical field
The present invention relates to the Long-distance Transmission Technologies field, particularly a kind of remote management system for server.
Background technology
At present, along with the development of dispatching automation and the requirement of secondary safety protection, the simultaneously operation in order to guarantee that work station and server can 24 hours, monitor workstation need be installed concentratedly in central machine room, and one good and safe running environment is provided for Automation workstation.Because different majors has proposed application demand to Automation workstation, in order to ensure the fail safe of data, Automation workstation can not leave machine room, in case data are revealed, just can't guarantee the execution of security system, even cause very serious consequence.
Automation personnel is introduced the KVM switch, solved the use region distance problem of different majors, monitor workstation is retained in the automation central machine room, the user of service only needs keyboard, mouse and display just can be finished control to monitor workstation, and (the KVM switch is the Keyboard keyboard, the Video display, the abbreviation of Mouse mouse, the formal name of KVM switch is called KVM switch or KVM SWITCH, the KVM switch briefly allows the system manager can pass through one group of keyboard exactly, the computer peripheral of display and mouse control multiple servers or computer work).Because the signal of KVM transmission can't intercept, thereby fundamentally guaranteed the maximum security of automation data, but because the maximum transmission distance of KVM is 100M, part department from the automation central machine room too away from, traditional system does not satisfy the far distance controlled demand, the Adoption Network the transmission of data has been violated again the secondary safety protection system, if the use meeting is to the disaster of whole bringing on a disaster property of network system.
Summary of the invention
Technical problem to be solved by this invention provides a kind of concentrated long-range KVM system based on fiber plant, and described system had not only had the long-distance transmissions function but also can guarantee the safety of signal transmission, and simple in structure, low cost of manufacture.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of concentrated long-range KVM system based on fiber plant, it is characterized in that comprising central machine room and remote terminal, work station in the central machine room is connected with KVM switch in the central machine room by network, KVM switch in the central machine room is connected with protocol converter in the central machine room by network, protocol converter in the central machine room is connected with protocol converter in the remote terminal by optical fiber, and the interior protocol converter of remote terminal passes through the KVM decoder and is connected with keyboard, mouse and display.
Preferably: described KVM switch is digital KVM switch.
The beneficial effect that adopts technique scheme to produce is: described system has adopted protocol converter that vision signal is accessed in the light net, relaying performance and the interference free performance of signal have been increased, distortion and the blind spot of signal have been avoided, guaranteed that KVM switch maximum transmission distance can reach 40KM even farther, has realized transmitting without distance limit.By the infield of reasonable Arrangement equipment, shorten the length of network cable, because the high-speed transfer of light signal has realized the zero deflection control without delay transmission and key mouse of image.Work station is deployed in central machine room, has guaranteed the running environment of work station, and operation that can 24 hours makes things convenient for the CD-ROM drive of work station and the USB can control and management simultaneously, has guaranteed viral protection.Optical fiber can't interrupt, and vision signal can't simply be decoded simultaneously, has fundamentally guaranteed the security requirement of electrical network real time data.Described system has just realized long-distance transmissions by protocol converter, and is simple in structure, low cost of manufacture.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is schematic diagram of the present invention;
Wherein: 1, central machine room 2, remote terminal 3, work station 4, KVM switch 5, protocol converter 6, optical fiber 7, KVM decoder 8, keyboard, mouse and display.
Embodiment
As shown in Figure 1, a kind of concentrated long-range KVM system based on fiber plant comprises central machine room 1 and remote terminal 2; Work station 3 in the central machine room is connected with KVM switch 4 in the central machine room by network, KVM switch 4 in the central machine room is connected with protocol converter 5 in the central machine room by network, protocol converter 5 in the central machine room is connected with protocol converter in the remote terminal by optical fiber 6, and the interior protocol converter of remote terminal passes through KVM decoder 7 is connected with display with keyboard, mouse and is connected.Preferred described KVM switch 4 is third generation numeral KVM switch.
In order to satisfy the demand of distance, work station is deployed in the central machine room, vision signal is realized that by the KVM switch network transmits, protocol converter is converted to light signal with the network video signal that the KVM switch transmits, by tail optical fiber access fiber melt tray, thereby be linked in the Communication ray net, the opposite end is converted to network video signal by protocol converter with light signal, send again the KVM decoder to, the KVM decoder is transported to display, keyboard and mouse and the audio amplifier etc. of remote terminal with vision signal, thereby has realized remote signal transmission.
Described system has adopted protocol converter that vision signal is accessed in the light net, relaying performance and the interference free performance of signal have been increased, avoided distortion and the blind spot of signal, guaranteed that KVM switch maximum transmission distance can reach 40KM even farther, has realized long-distance transmissions.By the infield of reasonable Arrangement equipment, shorten the length of network cable, because the high-speed transfer of light signal has realized the zero deflection control without delay transmission and key mouse of image.Work station is deployed in central machine room, has guaranteed the running environment of work station, and operation that can 24 hours makes things convenient for the CD-ROM drive of work station and the USB can control and management simultaneously, has guaranteed viral protection.Optical fiber can't interrupt, and vision signal can't simply be decoded simultaneously, has fundamentally guaranteed the security requirement of electrical network real time data.Described system has just realized that by protocol converter long-distance transmissions and system are simple, and cost is low.
Used specific case herein principle of the present invention and execution mode thereof are set forth, the explanation of above embodiment is just with helping understand method of the present invention and core concept thereof.Should be pointed out that for the person of ordinary skill of the art, can also carry out some improvement and modification to the present invention under the prerequisite that does not break away from the principle of the invention, these improvement and modification also fall in the protection range of claim of the present invention.
Claims (2)
1. concentrated long-range KVM system based on fiber plant, it is characterized in that comprising central machine room (1) and remote terminal (2), work station (3) in the central machine room is connected with KVM switch (4) in the central machine room by network, KVM switch (4) in the central machine room is connected (5) by network with protocol converter in the central machine room, protocol converter (5) in the central machine room is connected by the interior protocol converter of optical fiber (6) and remote terminal, and the protocol converter in the remote terminal is by KVM decoder (7) and keyboard, mouse is connected 8 with display) connect.
2. a kind of concentrated long-range KVM system based on fiber plant according to claim 1 is characterized in that described KVM switch (4) is digital KVM switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105030841A CN103001700A (en) | 2012-11-30 | 2012-11-30 | Centralized remote KVM (Keyboard and Video and Mouse) system based on optical cable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105030841A CN103001700A (en) | 2012-11-30 | 2012-11-30 | Centralized remote KVM (Keyboard and Video and Mouse) system based on optical cable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103001700A true CN103001700A (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105030841A Pending CN103001700A (en) | 2012-11-30 | 2012-11-30 | Centralized remote KVM (Keyboard and Video and Mouse) system based on optical cable device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112738428A (en) * | 2020-12-28 | 2021-04-30 | 威创集团股份有限公司 | Video signal stream conversion device and seat cooperation system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090077280A1 (en) * | 2005-04-06 | 2009-03-19 | Swen Anderson | Scalable, multi-channel remote device management system |
| CN102221905A (en) * | 2011-07-14 | 2011-10-19 | 中国铁道科学研究院通信信号研究所 | Double-machine switch extending equipment |
| CN202363972U (en) * | 2011-10-28 | 2012-08-01 | 江苏省电力公司常州供电公司 | Remote operation and maintenance platform of substation secondary system |
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2012
- 2012-11-30 CN CN2012105030841A patent/CN103001700A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090077280A1 (en) * | 2005-04-06 | 2009-03-19 | Swen Anderson | Scalable, multi-channel remote device management system |
| CN102221905A (en) * | 2011-07-14 | 2011-10-19 | 中国铁道科学研究院通信信号研究所 | Double-machine switch extending equipment |
| CN202363972U (en) * | 2011-10-28 | 2012-08-01 | 江苏省电力公司常州供电公司 | Remote operation and maintenance platform of substation secondary system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112738428A (en) * | 2020-12-28 | 2021-04-30 | 威创集团股份有限公司 | Video signal stream conversion device and seat cooperation system |
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Owner name: HEBEI ELECTRIC POWER CORPORATION CANGZHOU POWER SU Effective date: 20130315 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: CANGZHOU POWER SUPPLY CO., LTD. Effective date: 20130315 |
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Free format text: CORRECT: ADDRESS; FROM: 061001 CANGZHOU, HEBEI PROVINCE TO: 100761 XICHENG, BEIJING |
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Effective date of registration: 20130315 Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Applicant after: State Grid Corporation of China Applicant after: Hebei Electric Power Corporation Applicant after: Cangzhou Power Supply Co.,Ltd. Address before: 061001 No. 21 West Yongji Road, Hebei, Cangzhou Applicant before: Cangzhou Power Supply Co.,Ltd. |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: State Grid Hebei Electric Power Company Applicant after: Cangzhou Power Supply Branch Company, State Grid Hebei Electric Power Company Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Applicant before: State Grid Corporation of China Applicant before: Hebei Electric Power Corporation Applicant before: Cangzhou Power Supply Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130327 |