CN108170625A - Band 32 mouthfuls of isolated serial port servers of optical fiber - Google Patents
Band 32 mouthfuls of isolated serial port servers of optical fiber Download PDFInfo
- Publication number
- CN108170625A CN108170625A CN201711235966.3A CN201711235966A CN108170625A CN 108170625 A CN108170625 A CN 108170625A CN 201711235966 A CN201711235966 A CN 201711235966A CN 108170625 A CN108170625 A CN 108170625A
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- serial
- optical fiber
- serial port
- mouthfuls
- isolated
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention relates to serial server field, open band 32 mouthfuls of isolated serial port servers of optical fiber, including being provided with optical fiber interface on ethernet mac controller；Wherein, the both ends of network transformer are connected with multiple network equipments, the level between multiple network equipments is isolated；Ethernet mac controller is connected to network transformer, to control the work of network transformer；ARM9 master chips are configured to perform the signal conversion between Ethernet protocol and serial port protocol, and the rs 232 serial interface signal from serial port circuit module is converted to network signal or the network signal from ethernet mac controller is converted to rs 232 serial interface signal；Serial port circuit module includes：Serial expanded circuit and serial interface circuit, the serial interface of microprocessor is extended to 32 mouthfuls by serial expanded circuit, and serial expanded circuit is configured to be connected to serial interface circuit.This realizes the band optical fiber of serial server with 32 mouthfuls of isolated serial port servers of optical fiber and 32 mouthfuls are isolated.
Description
Technical field
The present invention relates to serial server fields, and in particular, to band 32 mouthfuls of isolated serial port servers of optical fiber.
Background technology
Serial server provides serial ports and turns network function, and RS-232/485/422 serial ports can be converted into TCP/IP networks
Interface realizes the data double-way transparent transmission of RS-232/485/422 serial ports and TCP/IP network interfaces.Enable serial equipment
Enough have a TCP/IP network interface functions immediately, connection network into row data communication, the communication of great extended serial port equipment away from
From.
Serial server at this stage can not carry out optical fiber transmission, a kind of there is an urgent need for design it is even more impossible to carry out the isolation of serial ports
Band 32 mouthfuls of isolated serial port servers of optical fiber.
Invention content
The object of the present invention is to provide a kind of 32 mouthfuls of isolated serial port servers of band optical fiber, 32 mouthfuls of isolated serial port clothes of the band optical fiber
It is engaged in device, optical fiber transmission can not be carried out by overcoming serial server of the prior art, the problem of it is even more impossible to carry out the isolation of serial ports,
Realize serial server band optical fiber and 32 mouthfuls isolation.
To achieve these goals, the present invention provides a kind of 32 mouthfuls of isolated serial port servers of band optical fiber, 32 mouthfuls of the band optical fiber
Isolated serial port server include with ARM9 master chips couple with lower component：Network transformer, serial port circuit module and Ethernet
Mac controller is provided with optical fiber interface on the ethernet mac controller；Wherein, the both ends of the network transformer are connected with
Multiple network equipments, the level between multiple network equipments is isolated；The ethernet mac controller is connected to the network and becomes
Depressor, to control the work of the network transformer；
The ARM9 master chips are configured to perform the signal conversion between Ethernet protocol and serial port protocol, will come from
The rs 232 serial interface signal of the serial port circuit module is converted to network signal or will believe from the network of the ethernet mac controller
Number be converted to rs 232 serial interface signal；
The serial port circuit module includes：Serial expanded circuit and serial interface circuit, the serial expanded circuit is by institute
The serial interface for stating microprocessor is extended to 32 mouthfuls, and the serial expanded circuit is configured to be connected to the serial ports and connect
Mouth circuit.
Preferably, the serial ports expansion module includes：8 serial port extended chips, the serial port extended chip contain 4 solely
Vertical serial line interface, and it is both provided with a wire connection terminal on each serial line interface.
Preferably, the ethernet mac controller is DM9000 chips.
Preferably, the network transformer model H1102NL.
Preferably, multiple RS232 interfaces and multiple RS485 interfaces are provided in the serial interface circuit.
Preferably, 32 mouthfuls of isolated serial port servers of the band optical fiber further include：Housing, be provided on the bottom surface of the housing with
The matched cable clamping interface of optical fiber cable, the ARM9 master chips, network transformer, serial port circuit module and ethernet mac controller
It is set in the housing.
Preferably, heat emission hole is additionally provided on the shell, the heat emission hole is uniformly arranged on the outer surface of the housing.
Through the above technical solutions, 32 mouthfuls of isolated serial port servers of the band optical fiber of the present invention support multisegment access equipment,
When network interface is not enough, multiple ethernet mac controllers can be bridged, and bridge joint function of exchange be supported, instead of existing
Field increases the puzzlement of interchanger increase cost due to network interface limited amount.It can be to avoid additionally by network transformer
It is interfered between multiple network equipments.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention, but be not construed as limiting the invention together.In the accompanying drawings：
Fig. 1 is a kind of module frame chart with 32 mouthfuls of isolated serial port servers of optical fiber for illustrating the present invention；
Fig. 2 is a kind of shell mechanism schematic diagram with 32 mouthfuls of isolated serial port servers of optical fiber for illustrating the present invention.
Reference sign
1 housing, 2 cable clamping interface
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the case where not making to illustrate on the contrary, the noun of locality such as " upper and lower, left and right " used typically refers to
As shown in Figure 2 up and down." inside and outside " refer in specific profile it is interior with it is outer." remote, near " refers to relative to some component
Far with closely.
The present invention provides a kind of 32 mouthfuls of isolated serial port servers of band optical fiber, and 32 mouthfuls of isolated serial port servers of the band optical fiber include
With the coupling of ARM9 master chips with lower component：Network transformer, serial port circuit module and ethernet mac controller, the ether
Optical fiber interface is provided on net mac controller；Wherein, the both ends of the network transformer are connected with multiple network equipments, with every
From the level between multiple network equipments；The ethernet mac controller is connected to the network transformer, to control the net
The work of network transformer；
The ARM9 master chips are configured to perform the signal conversion between Ethernet protocol and serial port protocol, will come from
The rs 232 serial interface signal of the serial port circuit module is converted to network signal or will believe from the network of the ethernet mac controller
Number be converted to rs 232 serial interface signal；
The serial port circuit module includes：Serial expanded circuit and serial interface circuit, the serial expanded circuit is by institute
The serial interface for stating microprocessor is extended to 32 mouthfuls, and the serial expanded circuit is configured to be connected to the serial ports and connect
Mouth circuit.
Through the above technical solutions, 32 mouthfuls of isolated serial port servers of the band optical fiber of the present invention support multisegment access equipment,
When network interface is not enough, multiple ethernet mac controllers can be bridged, and bridge joint function of exchange be supported, instead of existing
Field increases the puzzlement of interchanger increase cost due to network interface limited amount.It can be to avoid additionally by network transformer
It is interfered between multiple network equipments.
The present invention is further detailed below in conjunction with attached drawing 1, in the present invention, in order to improve being applicable in for the present invention
Range is especially realized using following specific embodiments.
In a kind of specific embodiment of the present invention, the serial ports expansion module includes：4 serial port extended chips, institute
It states serial port extended chip and contains 4 independent serial line interfaces, and a wire connection terminal is both provided on each serial line interface.
In a kind of specific embodiment of the present invention, the ethernet mac controller is DM9000 chips.
This system is connected to two panels DM9000 chips by phase buffer, be connected respectively to the DATA0 of data/address bus~
DATA15, DATA16~DATA31 can be designed with two panels DM9000 chip communications using two panels DM9000's by chip selection signal
Advantage is to realize same equipment to gather around there are two network interface, and our two network interfaces can possess different MAC Address and
Different IP address is set.Realizing can go to access our server by the different network segments.It is existing in many industry at present
Field is very convenient and practical.The design also supports the bridge joints of two network interface cards simultaneously, supports bridge joint function of exchange, alternative scene by
In network interface limited amount, and increase the puzzlement of interchanger increase cost.
In a kind of specific embodiment of the present invention, the network transformer model H1102NL, so as to enhance
Ensure the varying level of the heterogeneous networks equipment room of signal stabilization transmission and isolation cable connection, to prevent different voltages from passing through
Network cable transmission damages equipment.
In a kind of specific embodiment of the present invention, 32 mouthfuls of isolated serial port servers of the band optical fiber can also include：
CPLD serial ports control modules, the CPLD serial ports control module are set to the ARM9 master chips and the serial port power
Between the module of road, the CPLD serial ports control module is used to control sending and receiving for serial data.
CPLD serial ports control modules, the CPLD serial ports control module are set to the processor unit and the serial interface
Between mouth mold block, the CPLD serial ports control module is used to control sending and receiving for serial data.EPM570 is a non-easy
The property lost CPLD, based on 0.18 micron, 6layermetal flash memories, density is from 240 to 2210 logic units (LE) (128 to 2210
Be equivalent to macrocell) and 8,000 ten thousand non-volatile storage.It can provide high I/O quantity, the performance of express delivery, reliable accessory
With other CPLD frameworks.Possess MultiVolt cores, user's flash block, and increase system programmable (ISP) while provide and can compile
The application of the solution of journey, such as bus bridge, I/O extensions, electrification reset (POR) and sequential control and device configuration control.
EPM570 has the characteristics that：Low cost, low-power consumption provide quick propagation delay and clock output time, bus type structure,
Including programmable Slew Rate, driving intensity and bushold and programmable pull-up resistor support hot plug, built-in joint
Testing action group (JTAG) boundary scan test circuit EPM570 chips can automatically control corresponding in the serial ports of enabled 8 road
RS232 electrical level transferring chips and RS485 electrical level transferring chips, so as to fulfill the operating mode of each serial ports is set.
The present invention a kind of specific embodiment in, be provided in the serial interface circuit multiple RS232 interfaces and
Multiple RS485 interfaces.
In a kind of specific embodiment of the present invention, 32 mouthfuls of isolated serial port servers of the band optical fiber can also include：Shell
Body 1, is provided with cable clamping interface 2 matched with optical fiber cable on the bottom surface of the housing 1, the ARM9 master chips, network transformer,
Serial port circuit module and ethernet mac controller are set in the housing 1.
By above-mentioned embodiment, the protection of entire circuit can be realized, and the engaging of optical fiber can be facilitated, finally
It can realize that the engaging of circuit uses.
Preferably, heat emission hole 3 is additionally provided on the shell, the heat emission hole 3 is uniformly arranged on the appearance of the housing 1
Face.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (7)
1. a kind of 32 mouthfuls of isolated serial port servers of band optical fiber, which is characterized in that 32 mouthfuls of isolated serial port servers of the band optical fiber include
With the coupling of ARM9 master chips with lower component：Network transformer, serial port circuit module and ethernet mac controller, the ether
Optical fiber interface is provided on net mac controller；Wherein, the both ends of the network transformer are connected with multiple network equipments, with every
From the level between multiple network equipments；The ethernet mac controller is connected to the network transformer, to control the net
The work of network transformer；
The ARM9 master chips are configured to perform the signal conversion between Ethernet protocol and serial port protocol, will come from described
The rs 232 serial interface signal of serial port circuit module is converted to network signal or turns the network signal from the ethernet mac controller
It is changed to rs 232 serial interface signal；
The serial port circuit module includes：Serial expanded circuit and serial interface circuit, the serial expanded circuit will be described micro-
The serial interface of processor is extended to 32 mouthfuls, and the serial expanded circuit is configured to be connected to the serial interface electricity
Road.
2. 32 mouthfuls of isolated serial port servers of band optical fiber according to claim 1, which is characterized in that the serial ports expansion module
Including：8 serial port extended chips, the serial port extended chip contain 4 independent serial line interfaces, and each serial line interface
On be both provided with a wire connection terminal.
3. 32 mouthfuls of isolated serial port servers of band optical fiber according to claim 1, which is characterized in that the ethernet mac control
Device processed is DM9000 chips.
4. 32 mouthfuls of isolated serial port servers of band optical fiber according to claim 1, which is characterized in that the network transformer type
Number be H1102NL.
5. 32 mouthfuls of isolated serial port servers of band optical fiber according to claim 1, which is characterized in that the serial interface circuit
In be provided with multiple RS232 interfaces and multiple RS485 interfaces.
6. 32 mouthfuls of isolated serial port servers of band optical fiber according to claim 1, which is characterized in that 32 mouthfuls of isolation of the band optical fiber
Serial server further includes：Housing (1), be provided on the bottom surface of the housing (1) with the matched cable clamping interface of optical fiber cable (2),
The ARM9 master chips, network transformer, serial port circuit module and ethernet mac controller are set in the housing (1).
7. 32 mouthfuls of isolated serial port servers of band optical fiber according to claim 6, which is characterized in that also set up on the shell
There is heat emission hole (3), the heat emission hole (3) is uniformly arranged on the outer surface of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711235966.3A CN108170625A (en) | 2017-11-30 | 2017-11-30 | Band 32 mouthfuls of isolated serial port servers of optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711235966.3A CN108170625A (en) | 2017-11-30 | 2017-11-30 | Band 32 mouthfuls of isolated serial port servers of optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108170625A true CN108170625A (en) | 2018-06-15 |
Family
ID=62524186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711235966.3A Pending CN108170625A (en) | 2017-11-30 | 2017-11-30 | Band 32 mouthfuls of isolated serial port servers of optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108170625A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112181743A (en) * | 2020-09-24 | 2021-01-05 | 中车青岛四方车辆研究所有限公司 | Accompanying and measuring device of serial port equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203827378U (en) * | 2013-11-08 | 2014-09-10 | 安徽康海时代科技有限公司 | Serial server |
| CN106776154A (en) * | 2016-11-15 | 2017-05-31 | 安徽康海时代科技股份有限公司 | Multi-channel redundant isolated serial port communication server |
-
2017
- 2017-11-30 CN CN201711235966.3A patent/CN108170625A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203827378U (en) * | 2013-11-08 | 2014-09-10 | 安徽康海时代科技有限公司 | Serial server |
| CN106776154A (en) * | 2016-11-15 | 2017-05-31 | 安徽康海时代科技股份有限公司 | Multi-channel redundant isolated serial port communication server |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112181743A (en) * | 2020-09-24 | 2021-01-05 | 中车青岛四方车辆研究所有限公司 | Accompanying and measuring device of serial port equipment |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180615 |
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| RJ01 | Rejection of invention patent application after publication |