CN104901740A - Optical fiber serial server and local area network - Google Patents
Optical fiber serial server and local area network Download PDFInfo
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- CN104901740A CN104901740A CN201510160720.9A CN201510160720A CN104901740A CN 104901740 A CN104901740 A CN 104901740A CN 201510160720 A CN201510160720 A CN 201510160720A CN 104901740 A CN104901740 A CN 104901740A
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Abstract
The invention discloses an optical fiber serial server and a local area network. The optical fiber serial server comprises a power supply circuit, an optical switching circuit, a serial port to network circuit and an extension serial circuit, wherein the power supply circuit is configured to be connected to the optical switching circuit, the serial port to network circuit and the extension circuit respectively to supply working current; the optical switching circuit is provided with a plurality of optical fiber interfaces for receiving optical signals; the extension serial circuit is provided with a plurality of serial interfaces for receiving serial signals; and the serial port to network circuit is configured to be connected with the optical switching circuit and the extension serial circuit respectively in order to convert the received serial signals into optical signals and transmit the optical signals to the optical switching circuit or convert the received optical signals into serial signals and transmit the serial signals to the extension serial circuit. When a host server performs information transmission with a terminal, the position of terminal equipment can be known according to the address of the optical fiber serial server, and the running state of the optical fiber serial server can be checked through the address.
Description
Technical field
The present invention relates to field of signal transmissions, particularly, relate to a kind of optical fiber serial server and local area network (LAN).
Background technology
Linking in optical fiber transmission network for serial equipment at present adopts in two ways: one is, by serial server on the market, serial equipment is linked Double-strand transmission network, then is forwarded in optical fiber transmission network by fiber optical transceiver or switch.The program needs plurality of devices support, builds the mode of protocol conversion, finally realizes serial ports and link fiber optic network.Serial server has ip, can carry out telemanagement based on ip address, but this mode node is more, and not only cost is high, and construction in later period connects up and safeguards all cumbersome.
Two is linked in fiber optic network by serial port terminal by optical-electrical converter (a kind of rs 232 serial interface signal directly turns the equipment of light signal).Optical-electrical converter is equivalent to the access of pure hardware, although be a kind of network access equipment, but it does not have ip address, the telemanagement based on ip cannot be carried out during use, the conversion of its pure hardware also determines to need paired use, namely serial ports is to light, light to serial ports, links the serial port resource that upper end also needs to take server.Need to use in pairs, intermediate link is few, plug and play, easy construction.But there is no ip address, telemanagement cannot be carried out based on ip address, once go wrong, be difficult to failure judgement point.
Summary of the invention
The object of this invention is to provide a kind of optical fiber serial server and local area network (LAN), host computer server is while carrying out information transmission with terminal, according to the address of optical fiber serial server, terminal equipment position can be understood, also can be checked the running status of optical fiber serial server by this address.
To achieve these goals, the invention provides a kind of optical fiber serial server, this optical fiber serial server comprises: power circuit, light switched circuit, serial ports turn lattice network and expand serial port circuit, and described power circuit is configured to be connected to described smooth switched circuit, serial ports turns lattice network and expand circuit to provide operating current;
Described smooth switched circuit is provided with multiple optical fiber interface with receiving optical signals;
Described expansion serial port circuit is provided with multiple serial interface to receive rs 232 serial interface signal;
Described serial ports turns lattice network and is configured to connect respectively described smooth switched circuit and expands serial port circuit, sends to described smooth switched circuit maybe to convert the described light signal received to described rs 232 serial interface signal to send to described expansion serial port circuit the described rs 232 serial interface signal received to be converted to described light signal.
Preferably, described expansion serial port circuit comprises: serial port circuit and protective circuit, described serial port circuit is configured to be connected to described serial ports and turns lattice network, and to receive or to send rs 232 serial interface signal, described serial interface is arranged on described serial port circuit for connecting serial port terminal;
Described protective circuit is configured to be connected to described serial port circuit.
Preferably, the type of described serial interface supports RS-232 agreement, RS-485 agreement or RS-422 agreement.
Preferably, described smooth switched circuit is also provided with network interface Fabric Interface.
Preferably, described serial ports turns on lattice network and is also coupled with memory.
The present invention also provides a kind of local area network (LAN), this local area network (LAN) comprises the host computer server, optical fiber switch, optical fiber serial server and the serial port terminal that connect successively, the position of described host computer server serial port terminal according to the address lookup of described optical fiber serial server.
By above-mentioned execution mode, because the deficiencies in the prior art and user are simple, easy to maintenance to construction, a series of new demands of telemanagement can be carried out, therefore, we have designed and developed based on can the optical fiber serial server of telemanagement on prior art basis, this equipment adopts rs 232 serial interface signal directly to change to light signal in hardware designs, on software, equipment itself has independently address, also be furnished with a whole set of management software and application software, and have visual web interface, aspect client is configured operation.So both can be implemented on hardware installation simple to operate, be directly connected with light message number by serial ports, meanwhile, user can also based on management software, long-rangely manages equipment, once equipment goes wrong, can accurately, Timeliness coverage fault point possible position.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the structured flowchart of the optical fiber serial server that a kind of preferred implementation of the present invention is described.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of optical fiber serial server, this optical fiber serial server comprises: power circuit, light switched circuit, serial ports turn lattice network and expand serial port circuit, and described power circuit is configured to be connected to described smooth switched circuit, serial ports turns lattice network and expand circuit to provide operating current;
Described smooth switched circuit is provided with multiple optical fiber interface with receiving optical signals;
Described expansion serial port circuit is provided with multiple serial interface to receive rs 232 serial interface signal;
Described serial ports turns lattice network and is configured to connect respectively described smooth switched circuit and expands serial port circuit, sends to described smooth switched circuit maybe to convert the described light signal received to described rs 232 serial interface signal to send to described expansion serial port circuit the described rs 232 serial interface signal received to be converted to described light signal.
By above-mentioned execution mode, because the deficiencies in the prior art and user are simple, easy to maintenance to construction, a series of new demands of telemanagement can be carried out, therefore, we have designed and developed based on can the optical fiber serial server of telemanagement on prior art basis, this equipment adopts rs 232 serial interface signal directly to change to light signal in hardware designs, on software, equipment itself has independently address, also be furnished with a whole set of management software and application software, and have visual web interface, aspect client is configured operation.So both can be implemented on hardware installation simple to operate, be directly connected with light message number by serial ports, meanwhile, user can also based on management software, long-rangely manages equipment, once equipment goes wrong, can accurately, Timeliness coverage fault point possible position.
By above-mentioned execution mode, optical fiber serial server of the present invention, as the control section of whole system, expand serial port circuit and light switched circuit on this basis, realize the conversion of rs 232 serial interface signal to fiber-optic signal, fiber-optic signal expands out 2 tunnel 100,000,000 light mouths, and 2 road light mouths are commutative relation.
Optical fiber serial server itself, with watchdog function, carries out active when a network fails and judges, until network and data communication are recovered.Optical fiber serial server itself can building network, does not rely on the network that group of switches is built, therefore improves efficiency of construction, reduces staffing and miscellaneous equipment expense expenditure, reduces the working strength of employee.
Below in conjunction with accompanying drawing, 1 couple of the present invention is further detailed, and the optical fiber serial server in the present invention can realize the mutual conversion between light signal and rs 232 serial interface signal, finally realizes the transmission of data.
In a kind of concrete execution mode of the present invention, described expansion serial port circuit comprises: serial port circuit and protective circuit, described serial port circuit is configured to be connected to described serial ports and turns lattice network, to receive or to send rs 232 serial interface signal, described serial interface is arranged on described serial port circuit for connecting serial port terminal;
Described protective circuit is configured to be connected to described serial port circuit.
Wherein, serial port circuit is used to connect serial port terminal, such as DTU etc., protective circuit comprise itself with watchdog function, to carry out active when a network fails and judge, until network and data communication recovery.
In this kind of execution mode, the type of described serial interface supports RS-232 agreement, RS-485 agreement or RS-422 agreement, wherein, above-mentioned object is, optical fiber serial server serial ports type can support RS-232 agreement, also have and support RS-485/422 agreement, when setting up communication, the serial port protocol type according to terminal is mated.
In this kind of execution mode, described smooth switched circuit is also provided with network interface Fabric Interface, this network interface Fabric Interface is for receiving network signal.
In this kind of execution mode, described serial ports turns on lattice network and is also coupled with memory, and described memory is used for storage program information, carries out program management.
The invention provides a kind of local area network (LAN), this local area network (LAN) comprises the host computer server, optical fiber switch, optical fiber serial server and the serial port terminal that connect successively, the position of described host computer server serial port terminal according to the address lookup of described optical fiber serial server.
Optical fiber serial server turns net owing to being integrated with serial ports, and net changes into optical fiber again, has also possessed serial ports simultaneously and has directly turned the ip management function that light do not have, technical scheme framework is optimized more.
Optical fiber serial server improves IT system optimization, and the personnel of maintaining easily patrol and examine, and self ip address is by management software thus Timeliness coverage communication transfer fault point.
Optical fiber serial server itself, with watchdog function, carries out active when a network fails and judges, until network and data communication are recovered.Improve efficiency of construction, reduce staffing and expense expenditure; Reduce employee work intensity.The multiple-working modes such as virtual serial port, server, client, UDP are provided, write with upper computer software and use more flexible.Equipment control, software debugging work can be carried out in special control centre, accomplish separate men from machines.
Certain subway supervisory control system hardware of the present invention sets up solution
Orbit monitoring system has the subsystem such as electric power data acquisition and supervisory control system (PSCADA), fire alarm system (FAS), building automation system (BAS), gate control system (ACS) to form usually.By building fiberoptic delay, the equipment of the systems such as the electric power at each station, monitoring, display is connected into a network in the present system, thus realizes the centralized and unified control of monitoring, control, display device.The Backbone Communication network of native system adopts optical fiber as transmission medium, and the serial data of terminal is mainly transformed into fiber data by health sea epoch optical fiber serial server, realizes terminal networking demand.
Supervisory control system hardware is set up and is introduced:
Control Room mainly contains and monitors several visual plant composition such as large-screen, warning device, control centre's work station, data processing server.Monitor that large-screen mainly shows the data of the camera collection of terminal and in data server, carries out data backup, so that the later stage transfers video data.Warning device, when subway circulation is abnormal, or a certain station instrument breaks down, and effectively can control in the very first time, improves system cloud gray model safety.Control centre's work station, the main data server that coordinates carries out implementing monitoring to data.
Kilomega optic fiber looped network backbone network
Because in subway, website is many, and comprise a large amount of electric power data acquisitions, security monitoring data acquisition, ticket checking, scheduling etc., therefore need the fiber optic network setting up more than gigabit, in order to safe and reliable operation, need to set up looped network, and can webmaster be carried out.
Terminal called and protocol conversion
Ticket checking machine in subway, information plate, cigarette sense, warming, fire fighting alarm device, camera ball machine are at present based on the communication modes of RS-232 or RS-485, in order to the equipment of these terminals is directly connected into fiber optic network, thus carry out data with control room and dock, just need optical fiber serial server to change.Ip address, with ip address, can be added in corresponding network management system and monitor, when terminal equipment breaks down, easily can find fault point by optical fiber serial server itself.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned execution mode; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different execution mode of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (6)
1. an optical fiber serial server, it is characterized in that, this optical fiber serial server comprises: power circuit, light switched circuit, serial ports turn lattice network and expand serial port circuit, and described power circuit is configured to be connected to described smooth switched circuit, serial ports turns lattice network and expand circuit to provide operating current;
Described smooth switched circuit is provided with multiple optical fiber interface with receiving optical signals;
Described expansion serial port circuit is provided with multiple serial interface to receive rs 232 serial interface signal;
Described serial ports turns lattice network and is configured to connect respectively described smooth switched circuit and expands serial port circuit, sends to described smooth switched circuit maybe to convert the described light signal received to described rs 232 serial interface signal to send to described expansion serial port circuit the described rs 232 serial interface signal received to be converted to described light signal.
2. optical fiber serial server according to claim 1, it is characterized in that, described expansion serial port circuit comprises: serial port circuit and protective circuit, described serial port circuit is configured to be connected to described serial ports and turns lattice network, to receive or to send rs 232 serial interface signal, described serial interface is arranged on described serial port circuit for connecting serial port terminal;
Described protective circuit is configured to be connected to described serial port circuit.
3. optical fiber serial server according to claim 1, is characterized in that, the type of described serial interface supports RS-232 agreement, RS-485 agreement or RS-422 agreement.
4. optical fiber serial server according to claim 1, is characterized in that, described smooth switched circuit is also provided with network interface Fabric Interface.
5. optical fiber serial server according to claim 1, is characterized in that, described serial ports turns on lattice network and is also coupled with memory.
6. a local area network (LAN), it is characterized in that, this local area network (LAN) comprises the host computer server, optical fiber switch, the serial port terminal and according to the optical fiber serial server in claim 1-5 described in any one that connect successively, the position of described host computer server serial port terminal according to the address lookup of described optical fiber serial server.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510160720.9A CN104901740A (en) | 2015-04-07 | 2015-04-07 | Optical fiber serial server and local area network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510160720.9A CN104901740A (en) | 2015-04-07 | 2015-04-07 | Optical fiber serial server and local area network |
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| CN104901740A true CN104901740A (en) | 2015-09-09 |
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| CN201510160720.9A Pending CN104901740A (en) | 2015-04-07 | 2015-04-07 | Optical fiber serial server and local area network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125852A (en) * | 2016-08-31 | 2016-11-16 | 安徽康海时代科技股份有限公司 | Double pin type serial server |
| CN106341203A (en) * | 2016-10-18 | 2017-01-18 | 潘致远 | Multi-program addressable fiber transmission public broadcast system |
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| CN201178481Y (en) * | 2008-03-31 | 2009-01-07 | 江苏南极星科技有限公司 | Industrial optical fiber Ethernet switch |
| CN203181053U (en) * | 2013-03-08 | 2013-09-04 | 江苏三恒科技股份有限公司 | Multifunctional communication transmission device |
| CN203193651U (en) * | 2013-04-11 | 2013-09-11 | 成都华程通讯技术有限公司 | Multimode access serial server with exchange capacity |
| CN103595598A (en) * | 2013-04-24 | 2014-02-19 | 安徽师范大学 | Remote transparent transmission serial server based on fiber and control mode thereof |
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2015
- 2015-04-07 CN CN201510160720.9A patent/CN104901740A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201178481Y (en) * | 2008-03-31 | 2009-01-07 | 江苏南极星科技有限公司 | Industrial optical fiber Ethernet switch |
| CN203181053U (en) * | 2013-03-08 | 2013-09-04 | 江苏三恒科技股份有限公司 | Multifunctional communication transmission device |
| CN203193651U (en) * | 2013-04-11 | 2013-09-11 | 成都华程通讯技术有限公司 | Multimode access serial server with exchange capacity |
| CN103595598A (en) * | 2013-04-24 | 2014-02-19 | 安徽师范大学 | Remote transparent transmission serial server based on fiber and control mode thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106125852A (en) * | 2016-08-31 | 2016-11-16 | 安徽康海时代科技股份有限公司 | Double pin type serial server |
| CN106341203A (en) * | 2016-10-18 | 2017-01-18 | 潘致远 | Multi-program addressable fiber transmission public broadcast system |
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Address after: 241002, Anhui Wuhu hi tech Industrial Development Zone Service Outsourcing Industry Park B6# (South Zhongshan Road No. 717) Applicant after: Anhui ComHigher technology limited liability company Address before: 241002, Anhui Wuhu hi tech Industrial Development Zone Service Outsourcing Industry Park B6# (South Zhongshan Road No. 717) Applicant before: ANHUI KANGHAI TIMES TECHNOLOGY CO., LTD. |
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Application publication date: 20150909 |
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