CN2529463Y - Ethernet media converter - Google Patents
Ethernet media converter Download PDFInfo
- Publication number
- CN2529463Y CN2529463Y CN 02204408 CN02204408U CN2529463Y CN 2529463 Y CN2529463 Y CN 2529463Y CN 02204408 CN02204408 CN 02204408 CN 02204408 U CN02204408 U CN 02204408U CN 2529463 Y CN2529463 Y CN 2529463Y
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- optical fiber
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- signal
- ethernet
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Abstract
The utility model relates to a 10/100M self adapting media converter for ethernet, standarding by LEEE802.3 and adopting a manner of CSMA/CD(carrier sense mulitaccess with collision detection) for operating. The network signal of a twisted-pair is transmitted to a control chip IC by a high frequency transformer T through a RJ-45 network interface; while the network signal of the fibre is transmitted to the control chip IC by a TX/RX fibre emitting and receiving module through a connector fibre plug and a R-R level matched network. The control chip IC codes and decodes the IEEE802.3 protocol and controls the operation state of the LED display device.
Description
Affiliated technical field:
The utility model relates to a kind of computer network communication Ethernet medium converter.
Background technology:
At present, computer network communication is the most widely used is Ethernet (ETHERNET) mode.Advantages such as ethernet communication has that cost is low, reliability is high, network meets the tendency software is abundant, systemic-function is powerful, installation is simple, operation and maintenance is convenient, system upgrade is easy and extensively being met the tendency.According to the IEEE802.3 series standard, ethernet communication mainly comprises, the gigabit Ethernet of the Ethernet of 10Mbps, the Fast Ethernet of 100Mbps, 1000Mbps etc.Bring into use the 1000Mbps gigabit Ethernet now in key and core network, what use in general local area network (LAN) is the Ethernet of 10Mbps and the Fast Ethernet of 100Mbps.Be that the Ethernet of 10Mbps of transmission medium and the Fast Ethernet maximum transmission distance of 100Mbps are 100 meters based on twisted-pair feeder, if network greater than 100 meters, then needs to use circuit switching device etc., the operation and maintenance cost is very big.Advantages such as optical fiber has that loss is little, long transmission distance, electromagnetic interference are little, strong security, according to the IEEE802.3 series standard, use optical fiber to be transmission medium, transmission range can be extended to 2km-100km, the coverage of local area network (LAN) LAN can be expanded to wider like this.
Summary of the invention:
The utility model is realized a kind of Ethernet medium converter, and realization will be the ethernet signal of medium with the twisted-pair feeder, and being transformed into optical fiber is the function of the ethernet signal of transmission medium.It can be used between server, switch, HUB, router, main frame, the terminal ethernet signal being transformed into optical fiber from twisted-pair feeder, and the optical fiber between the realization mutually connects.Enlarge the transmission range and the network coverage of ethernet signal.
The technical scheme that its technical problem that solves the utility model adopts is: carry out the IEEE802.3 series standard, adopt CSMA/CD (the carrier sense multiple access that has collision detection) working method work, and adopt 10Mbps/100Mbps automatic synchronization agreement (Auto-Negotiation).It by one only to carry out the IEEE802.3 series standard, and adopt the execution chip IC of CSMA/CD mode work, formations such as optical fiber transceiver module TX/RX, optical fiber connector joint Connector, two cross-coupled Registered Jack-45 of connecting line, high frequency transformer T, operating state display circuit LED, the resistor network R-R that is used for level translation, crystal oscillator, power supply stabilization circuit, supply socket, printed circuit board (PCB), shell.The RJ-45 network interface receives the signal of Ethernet, carries out Signal Spacing by high frequency transformer T, arrives to carry out chip IC.Carry out chip and will pass through level shifting circuit R-R through the signal that coding and decoding was handled, drive the emission drive circuit of optical fiber transceiver module TX/RX, Connector is transmitted into signal in the optical fiber by optical fiber connector joint.The signal that transmits in the optical fiber, by optical fiber connector joint Connector, couple a signal to the receiving circuit of optical fiber transceiver module TX/RX, carry out in the chip IC through transferring signals to through level shifting circuit R-R, carrying out chip will carry out Signal Spacing through high frequency transformer T through the signal that coding and decoding was handled, and transfer signals to the RJ-45 ethernet network interface.The operating state of equipment shows by carrying out the chip IC driving LED.Power supply stabilization circuit provides carries out the power supply that chip IC needs.Ethernet interface of the present utility model uses two to be cross-coupled RJ-45 interface mutually, carry out the IP175 chip that chip IC uses IC PLUS company to produce, high frequency transformer T uses the Ethernet high frequency transformer of 10/100Mbps, power supply stabilization circuit uses the LM317 three terminal regulator, and optical fiber transceiver module TX/RX selects for use according to transmission fibre type and transmission range.
The IP175 chip that the utility model uses IC PLUS company to produce, this chip has the IEEE802.3 of execution series standard, realize signal transformation and coding and decoding between 100BASE-TX, 10base-T, the 100BASE-FX agreement, and operating state that can the driving LED display device, independent+2.5V power supply power supply that IP175 uses, circuit is simple and reliable, use double-deck printed panel, wiring is reasonable, has reduced cost, and has realized good performance.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a circuit working theory diagram of the present utility model.
Fig. 2 is a front elevation of the present utility model.
Fig. 3 is circuit theory diagrams.
IC is for carrying out chip among Fig. 1, and TX/RX is that optical fiber transceiver module, Connector are that optical fiber connector joint, RJ-45 are that network socket, T are that high frequency transformer, LED are that operating state display circuit, R-R are the resistor network that is used for level translation.
TX is the transmitting terminal of optical fiber transceiver module among Fig. 2, RX is the receiving terminal of optical fiber transceiver module, Power is the power supply indication, TP is the state indication of RJ-45 interface end, FX is the state indication of optical fiber transceiver module, Link is the indication of port connection status, Act is the port working indication, 100M is that operating state is the 10 or 100 mbps indication, Full is full duplex or semiduplex indication,=expression RJ-45 need be connected to switch by the parallel double twisted wire, and x represents that RJ-45 need be connected to switch by the intersection twisted-pair feeder.
U1 is for carrying out chip among Fig. 3, and U2 high frequency transformer, U3 are power regulator, and X1 is a crystal oscillator, and J1 is the optical fiber transceiver module, and J2, J3 are the RJ-45 network socket, and D3～D10 is the operating state indication LED.
Embodiment:
In Fig. 1, the RJ-45 network interface receives the signal of Ethernet, carries out Signal Spacing by high frequency transformer T, arrives to carry out chip IC.Carry out chip and will pass through level shifting circuit R-R through the signal that coding and decoding was handled, drive the emission drive circuit of optical fiber transceiver module TX/RX, Connector is transmitted into signal in the optical fiber by optical fiber connector joint.The signal that transmits in the optical fiber, by optical fiber connector joint Connector, couple a signal to the receiving circuit of optical fiber transceiver module TX/RX, carry out in the chip IC through transferring signals to through level shifting circuit R-R, carrying out chip will carry out Signal Spacing through high frequency transformer T through the signal that coding and decoding was handled, and transfer signals to the RJ-45 ethernet network interface.The operating state of equipment shows by carrying out the chip IC driving LED.
In Fig. 2, two RJ-45 network ports, concrete situation according to the network use, the RJ-45 network port of=expression need be connected to switch by the parallel double twisted wire, the RJ-45 network port that x represents need be connected to switch by the intersection twisted-pair feeder, two network ports can only have a unique port to be connected with other network equipment simultaneously, can not use two network ports simultaneously.
In Fig. 3, carry out the IP175 chip that chip adopts IC PLUS company, high frequency transformer adopts the HR601682 of Chinese benevolence electronics, the optical fiber transceiver module adopts respectively: multimode 850nm 2km TRUELIGHT TTC-IL23, multimode 1310nm 2km AGILENT HFBR-5205P, single mode 1310nm 15km AGILENT QFCT-5199D, WTDRTXM155-2, single mode 1310nm 60km AGILENT HFCT-5215, WTD RTXM156B, D3, D4, D5, D6, D7, D8, D9, D10 is a power supply, Full, FX Link, FX Act, FX 100M, TP Link, TPAct, TP 100M indicator light, the bright expression line work of indicator light is under the corresponding work state, L1, L2, L3, L4 is that inductive capacity is 100uH, 100uH, 1.2uH, 1.2uH, X1 is crystal oscillator frequency 25MHz, IP175, HR601682, resistance, electric capacity is surface mount elements.
Claims (7)
1. the 10Mbps/100Mbps medium converter that is used for ethernet communication, carry out the IEEE802.3 series standard, adopt CSMA/CD (the carrier sense multiple access that has collision detection) working method work, and employing 10Mbps/100Mbps automatic synchronization agreement (Auto-Negotiation), it is characterized in that: it carries out chip IC by one, optical fiber transceiver module TX/RX, optical fiber connector joint Connector, two cross-coupled Registered Jack-45 of connecting line, high frequency transformer T, operating state display circuit LED, the resistor network R-R that is used for level translation, crystal oscillator, power supply stabilization circuit, supply socket, printed circuit board (PCB), formations such as shell, the RJ-45 network interface receives the signal of Ethernet, carry out Signal Spacing by high frequency transformer T, arrive and carry out chip IC, carry out chip and will pass through level shifting circuit R-R through the signal that coding and decoding was handled, drive the emission drive circuit of optical fiber transceiver module TX/RX, Connector is transmitted into signal in the optical fiber by optical fiber connector joint, the signal that transmits in the optical fiber, by optical fiber connector joint Connector, couple a signal to the receiving circuit of optical fiber transceiver module TX/RX, carry out in the chip IC through transferring signals to through level shifting circuit R-R, carry out chip and will carry out Signal Spacing through high frequency transformer T through the signal that coding and decoding was handled, transfer signals to the RJ-45 ethernet network interface, the operating state of equipment shows by carrying out the chip IC driving LED, power supply stabilization circuit provides carries out the power supply that chip IC needs, Ethernet interface uses two to be cross-coupled RJ-45 interface mutually, high frequency transformer T uses the Ethernet high frequency transformer of 10/100Mbps, and optical fiber transceiver module TX/RX can select different models for use according to transmission fibre type and transmission range.
2. medium converter according to claim 1 is characterized in that: carry out the IP175 chip that chip uses IC PLUS company.
3. medium converter according to claim 1 is characterized in that: crystal oscillator uses the crystal oscillator of 25MHz.
4. medium converter according to claim 1 is characterized in that: two RJ-45 network interfaces are interconnection mutually.
5. medium converter according to claim 1 is characterized in that: carry out chip IC by driving LED, the state of the indexed optical fiber transceiver module and the RJ-45 network port.
6. medium converter according to claim 1 is characterized in that: power supply stabilization circuit uses the LM317 three terminal regulator.
7. medium converter according to claim 1, it is characterized in that: the optical fiber transceiver module adopts multimode 850nm 2kmTRUELIGHT TTC-IL23, multimode 1310nm 2km AGILENT HFBR-5205P, single mode 1310nm 15kmAGILENT QFCT-5199D, WTD RTXM155-2, single mode 1310nm 60km AGILENT HFCT-5215, WTDRTXM156B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02204408 CN2529463Y (en) | 2002-01-26 | 2002-01-26 | Ethernet media converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02204408 CN2529463Y (en) | 2002-01-26 | 2002-01-26 | Ethernet media converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2529463Y true CN2529463Y (en) | 2003-01-01 |
Family
ID=33686360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02204408 Expired - Fee Related CN2529463Y (en) | 2002-01-26 | 2002-01-26 | Ethernet media converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2529463Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384303C (en) * | 2004-09-20 | 2008-04-23 | 刘耀进 | Semiconductor lighting and communication dual-purpose base station lamp |
| CN100433622C (en) * | 2005-12-14 | 2008-11-12 | 中兴通讯股份有限公司 | Device for long-distance transmitting Ethernet physical layer interface signal |
| CN1886934B (en) * | 2003-09-24 | 2010-05-12 | Adc电信公司 | 10/100 MBS network device |
| CN1849775B (en) * | 2003-08-06 | 2012-09-26 | 泛达公司 | Network managed device installation and provisioning technique |
| CN110708263A (en) * | 2019-08-31 | 2020-01-17 | 苏州浪潮智能科技有限公司 | Switch |
-
2002
- 2002-01-26 CN CN 02204408 patent/CN2529463Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1849775B (en) * | 2003-08-06 | 2012-09-26 | 泛达公司 | Network managed device installation and provisioning technique |
| CN1886934B (en) * | 2003-09-24 | 2010-05-12 | Adc电信公司 | 10/100 MBS network device |
| CN100384303C (en) * | 2004-09-20 | 2008-04-23 | 刘耀进 | Semiconductor lighting and communication dual-purpose base station lamp |
| CN100433622C (en) * | 2005-12-14 | 2008-11-12 | 中兴通讯股份有限公司 | Device for long-distance transmitting Ethernet physical layer interface signal |
| CN110708263A (en) * | 2019-08-31 | 2020-01-17 | 苏州浪潮智能科技有限公司 | Switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |