CN1192549C - Method for realizing long distance controlled loopback of communication equipment - Google Patents
Method for realizing long distance controlled loopback of communication equipment Download PDFInfo
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- CN1192549C CN1192549C CNB021209235A CN02120923A CN1192549C CN 1192549 C CN1192549 C CN 1192549C CN B021209235 A CNB021209235 A CN B021209235A CN 02120923 A CN02120923 A CN 02120923A CN 1192549 C CN1192549 C CN 1192549C
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Abstract
The present invention discloses a method for realizing remote control loop back of a communication device, which has the structure that a loop back device is connected in series between the outer side of a port of the communication device and a wire connecting port of a user, wherein the loop back device is controlled by the communication device and has two states of loop back and direct connection; when the loop back device is in the direct connection state, the output end of the port of the communication device is connected with the input end of the wire connecting port of the user, and the output end of the wire connecting port of the user is connected with the input end of the port of the communication device; when the loop back device is in the loop back state, the output end of the port of the communication device is connected with the input end of the port, and the loop back device can be realized by adopting a relay, an electronic switch or a logic piece. The self-loop of the communication device can be simply realized by adopting the scheme, a port of any communication device can be tested in a remote self-loop way and does not need operating in fields by software at any time, and the present invention is favorable for remote maintenance of the communication device and has higher testing real-time performance and loop back testing efficiency.
Description
Technical field
The present invention relates to the implementation method of communication equipment loopback in the communication system.
Background technology
Along with development of Communication Technique, increasing communication equipment is applied in the communication network, for example adopt the access device of ether switch as the user in the broadband cell more and more, this just requires the communication equipment such as the ether switch can be mounted and operate as normal in environment for use separately.Along with the use of outdoor type communication equipment, communication equipment is carried out detection, the monitoring of far-endization, just seem more and more important with the fault that helps positioning equipment.
In the maintenance process of existing communication equipment, often need carry out the operating state that loopback between the equipment different port carries out fault location or judgment device.Existing loop back method adopts software control to realize mostly, promptly utilize the self-loop function of chips at different levels, pass through controller, be that CPU sends from the loopback order for chip to be measured, chip is entered from ring status, and then by judging whether whether corresponding loopback information correctly successful to judge from loopback, finishes the loopback test operation at last, carries out the recovering state of chip to be measured.By said process as can be known, the loopback approach of existing communication equipment loop back method is a chip internal ring certainly, and shortcoming is that the scope of loopback covering is less.With Fig. 1 is example, the scope of the long distance controlled loopback that control and switched circuit can be controlled can only arrive the phy chip one-level of loop-back capability, devices such as net mouth transformer down just do not possess from the ring ability again, therefore, just exist from phy chip through transformer to one section clear area to user port, adopt existing method can't realize the long distance controlled loopback test of above-mentioned clear area, can only use special loopback line to carry out the loopback operation to on-the-spot by the staff, to realize the long distance controlled loopback test of above-mentioned clear area, doing not only like this wastes time and energy, the real-time efficient relatively poor and loopback test of work is lower.
Summary of the invention
The object of the present invention is to provide the implementation method of the higher long distance controlled loopback of communication equipment of a kind of efficient, use this method can realize the long distance controlled loopback operation of communication equipment automatically.
For achieving the above object, the implementation method of long distance controlled loopback of communication equipment provided by the invention, comprise: in the port of the communication equipment outside to the loopback apparatus of connecting between the terminal block port, described loopback apparatus is subjected to the control of communication equipment, have loopback, straight-through two states, when being in pass-through state, the output of communication equipment port connects the input of terminal block port, and the output of terminal block port connects the input of communication equipment port; When being in wrapped state, the output of communication equipment port connects the input of communication equipment port.
Since the present invention in the port of the communication equipment outside to the loopback apparatus of connecting between the terminal block port, this device only has loopback, straight-through two states, can be directly from encircling the outside of communication equipment port, encircling realization simply certainly, can carry out the Remote selfloop test to the port of any communication equipment at any time by software and need not execute-in-place, the remote maintenance that helps communication equipment has the higher test real-time and the efficient of loopback test.
Description of drawings
Fig. 1 is the schematic diagram of existing communication equipment remote controlling method;
Fig. 2 is the schematic diagram of communication equipment remote controlling method of the present invention;
Fig. 3 is the embodiment schematic diagram of communication equipment remote controlling method of the present invention;
Fig. 4 is first embodiment circuit diagram of communication equipment remote controlling method of the present invention;
Fig. 5 is logic triple gate group circuit diagram in the loopback apparatus that adopts of second embodiment of communication equipment remote controlling method of the present invention.
Embodiment:
In the various loopbacks of communication equipment, the external loop of device port is a very important loopback, and it can judge directly that network connects unusual reason and is that the fault of communication equipment own still is the fault of the network terminal (as the network interface card on the subscriber computer).Be that the present invention is described in further detail in conjunction with the accompanying drawings for example below with the network switch.
Fig. 2 is the schematic diagram of communication equipment remote controlling method of the present invention, shown in the figure, the present invention in the specific implementation, in the port of the switch outside to the loopback apparatus of connecting between the terminal block port, promptly set up the loopback passage in the switch ports themselves outside, the loopback apparatus of for example between the net mouth transformer of switch and subscriber line interface, connecting, described loopback apparatus has loopback, straight-through two states, the state of loopback apparatus is controlled by switch, for example use the master control of exchanger side or the state of switched circuit control ring return device, when being in pass-through state, the output of switch ports themselves connects the input of terminal block port, and the output of terminal block port connects the input of switch ports themselves; When being in wrapped state, the output of switch ports themselves connects the input of switch.Set up the detection of ring certainly that the external loop passage of single network interface is realized far-end control by switch by the interlock circuit action of software control loopback apparatus at far-end.As can be seen from Figure 2, the coverage that the scheme of using the present invention to propose makes the coverage of loopback have method more at present now wants big, and it is included in the circuit of switch inside in the loopback, has realized the thorough loopback test of far-end control to switch.
Fig. 3 is the embodiment schematic diagram of communication equipment remote controlling method of the present invention.Communication equipment among Fig. 3 is the network switch.With data sendaisle 1 among Fig. 3 and Data Receiving passage 1 is example, when being in pass-through state under the control of loopback apparatus at switch, when being operate as normal, loopback circuit node 1a in the loopback apparatus is connected with node 1a_1, node 1b is connected with node 1b_1, the data sendaisle 1 of exchanger side is just set up with user side with Data Receiving passage 1 and is connected like this, can communicate by letter normally; When being in wrapped state under the control of loopback apparatus at switch, when being loopback control, loopback circuit node 1a in the loopback apparatus is connected with node 1a_2, and then be connected with node 1b by node 1b_2, make data sendaisle 1 realize that with Data Receiving passage 1 loopback is connected, this moment, the user was disconnected the transceiver channel direct short-circuit of switch from switch, foundation is carried out detecting from ring from loop back path.
Fig. 4 is first embodiment circuit diagram of communication equipment remote controlling method of the present invention.Communication equipment among Fig. 4 is the network switch, the loopback apparatus that constitutes by relay to series connection between the terminal block port in the signal output port outside of switch, the output 1 of the signal port of switch, 2 pass through the normally closed node (3 of loopback apparatus repeat circuit 1 respectively, 2) and (8,9) input 1 of connection terminal block port, 2, the output 3 of terminal block port, 6 normally closed nodes (2 by loopback apparatus repeat circuit 2,3) and (9,8) connect the input 3 of the signal output port of switch respectively, 6, the output 1 of switch signal port is often opened node (3 by loopback apparatus repeat circuit 1,4) and relay 2 often open node (3,4) input 3 of connection switch signal port, the output 2 of switch signal port is often opened node (8 by loopback apparatus repeat circuit 1,7) and relay 2 often open the input 6 that node (8,7) connects the switch signal port.
Among Fig. 4, ACT is the control signal from switch, can pass through software setting.When control signal ACT when being high relay be failure to actuate, switch is in normal operating state.At this moment, the pin of switch signal port " 1,2,3,6 " connects one to one with the interface pin " 1,2,3,6 " of terminal block port side.Need carry out when ring detects, the user can control the ACT level by software, makes it to low actuating of relay this moment.The node 3 of relay 1 and node 2 disconnects simultaneously, and node 3 connects with node 4, node 8 and node 9 disconnect 8 foundation of while node and connect 7 be connected, and relay 2 moves equally.Like this, the user is disconnected with the contact of switch, circuit at the relay place by short circuit, formation is from loop back path, be that switch signal port side pipe pin " 1,3 " forms one and forms one from loop back path from loop back path, pin " 2,6 ". the user can carry out corresponding order as required at any time, the operating state of control relay realizes real-time the carrying out of switch detected from ring status.
Certainly, connection among Fig. 4 also can be carried out with reference to following manner with control: the output of often opening input that node is connected terminal block port, terminal block port of the output of switch signal port by the loopback apparatus repeat circuit often opened the input that node connects switch ports themselves by the loopback apparatus repeat circuit, and the output of switch ports themselves is by the input of the normally closed node connection switch ports themselves of loopback apparatus repeat circuit.According to above-mentioned connection, only need the control of the high and low level that switch undertakies by the control signal ACT to relay, can realize the switch conversion of operation state.
The circuit connecting mode of the loopback apparatus that is made of electronic switch to series connection between the terminal block port in the port of the switch outside also can be with reference to figure 4, be that the output of switch ports themselves passes through the input of the normally closed node connection switch ports themselves of electronic switch in the loopback apparatus by the input of the normally closed node connection terminal block port of electronic switch in the loopback apparatus, the output of terminal block port, the output of switch ports themselves is by the input of often opening node connection switch ports themselves of electronic switch in the loopback apparatus.
Certainly, when the loopback apparatus that series connection is made of electronic switch, the output of often opening input that node connect terminal block port, terminal block port of the output that also can make the communication equipment port by electronic switch in the loopback apparatus often opened the input that node connects the communication equipment port by electronic switch in the loopback apparatus, and the output of communication equipment port connects the input of communication equipment port by the normally closed node of electronic switch in the loopback apparatus.No matter adopt the sort of mode to connect, can realize communication equipment wrapped state and conversion of operation state by electronic switch is implemented different control.
Loopback apparatus of the present invention also can adopt logical device to realize, for example adopts the logic triple gate.Fig. 5 is logic triple gate group circuit diagram in the loopback apparatus that adopts of second embodiment of communication equipment remote controlling method of the present invention, and the communication equipment among Fig. 5 is the network switch.If the loopback apparatus that constitutes by logic triple gate group to series connection between the terminal block port in the port outside of switch, with Fig. 5 is example, first logic triple gate A input of logic triple gate group in the output 1 connecting ring return device of exchanger side port, the output of first logic triple gate connects the input 1 of terminal block port; The output of 3, the second logic triple gates of second logic triple gate B input of logic triple gate group connects the input 3 of exchanger side port in the output 3 connecting ring return devices of user side Wiring port; The 3rd logic triple gate C input of logic triple gate group in the output 1 connecting ring return device of exchanger side port, the output of the 3rd logic triple gate connects the input 3 of exchanger side port; Above-mentioned first and second logic triple gate A, B have the control end of same alike result, be that low level is effective among Fig. 5, above-mentioned the 3rd logic triple gate C has the control end with above-mentioned first, second logic triple gate A, the opposite attribute of B, is that high level is effective among Fig. 5.
In Fig. 5, if be low level from the control signal ACT of switch, then switch is in normal operating state, if control signal ACT is a high level, then switch is in wrapped state.
Claims (6)
1, a kind of implementation method of long distance controlled loopback of communication equipment, comprise: in the port of the communication equipment outside to the loopback apparatus of connecting between the terminal block port, described loopback apparatus is subjected to the control of communication equipment, have loopback, straight-through two states, when being in pass-through state, the output of communication equipment port connects the input of terminal block port, and the output of terminal block port connects the input of communication equipment port; When being in wrapped state, the output of communication equipment port connects the input of communication equipment port.
2, the implementation method of long distance controlled loopback of communication equipment according to claim 1, it is characterized in that: described loopback apparatus is made of relay, in the port of the communication equipment outside to this loopback apparatus of series connection between the terminal block port, the output of communication equipment port connects the input of terminal block port by the normally closed node of loopback apparatus repeat circuit, the output of terminal block port is by the input of the normally closed node connection communication equipment port of loopback apparatus repeat circuit, and the output of communication equipment port is by the input of often opening node connection communication equipment port of loopback apparatus repeat circuit.
3, the implementation method of long distance controlled loopback of communication equipment according to claim 1, it is characterized in that: described loopback apparatus is made of relay, in the port of the communication equipment outside to this loopback apparatus of series connection between the terminal block port, the output of communication equipment port is by the input of often opening node connection terminal block port of loopback apparatus repeat circuit, the output of terminal block port is by the input of often opening node connection communication equipment port of loopback apparatus repeat circuit, and the output of communication equipment port connects the input of communication equipment port by the normally closed node of loopback apparatus repeat circuit.
4, the implementation method of long distance controlled loopback of communication equipment according to claim 1, it is characterized in that: described loopback apparatus is made of electronic switch, in the port of the communication equipment outside to this series connection loopback apparatus between the terminal block port, the output of communication equipment port connects the input of terminal block port by the normally closed node of electronic switch in the loopback apparatus, the output of terminal block port is by the input of the normally closed node connection communication equipment port of electronic switch in the loopback apparatus, and the output of communication equipment port is by the input of often opening node connection communication equipment port of electronic switch in the loopback apparatus.
5, the implementation method of long distance controlled loopback of communication equipment according to claim 1, it is characterized in that: described loopback apparatus is made of electronic switch, the port outside of communication equipment is to this loopback apparatus of series connection between the terminal block port, the output of communication equipment port is by the input of often opening node connection terminal block port of electronic switch in the loopback apparatus, the output of terminal block port is by the input of often opening node connection communication equipment port of electronic switch in the loopback apparatus, and the output of communication equipment port connects the input of communication equipment port by the normally closed node of electronic switch in the loopback apparatus.
6, the implementation method of long distance controlled loopback of communication equipment according to claim 1, it is characterized in that: described loopback apparatus is made of the logic triple gate, the port outside of communication equipment is to this loopback apparatus of series connection between the terminal block port, first logic triple gate input of logic triple gate group in the output connecting ring return device of communication equipment port, the output of first logic triple gate connects the input of terminal block port; Second logic triple gate input of logic triple gate group in the output connecting ring return device of terminal block port, the output of second logic triple gate connects the input of communication equipment port; The 3rd logic triple gate input of logic triple gate group in the output connecting ring return device of communication equipment port, the output of the 3rd logic triple gate connects the input of communication equipment port; Above-mentioned first and second logic triple gates have the control end of same alike result, and above-mentioned the 3rd logic triple gate has the control end with the opposite attribute of above-mentioned first, second logic triple gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021209235A CN1192549C (en) | 2002-06-05 | 2002-06-05 | Method for realizing long distance controlled loopback of communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021209235A CN1192549C (en) | 2002-06-05 | 2002-06-05 | Method for realizing long distance controlled loopback of communication equipment |
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| CN1466315A CN1466315A (en) | 2004-01-07 |
| CN1192549C true CN1192549C (en) | 2005-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB021209235A Expired - Fee Related CN1192549C (en) | 2002-06-05 | 2002-06-05 | Method for realizing long distance controlled loopback of communication equipment |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365961C (en) * | 2004-01-15 | 2008-01-30 | 宁波隆兴电信设备制造有限公司 | Remote surround detecting circuit |
| CN100407666C (en) * | 2005-06-30 | 2008-07-30 | 华为技术有限公司 | Wideband wireless switch-in equipment chain circuit loop testing method |
| CN100461717C (en) * | 2006-01-17 | 2009-02-11 | 华为技术有限公司 | Communication device and its detecting method |
| CN101782613B (en) * | 2010-01-25 | 2014-01-01 | 中兴通讯股份有限公司南京分公司 | System, device and method for realizing Ethernet power supply function testing |
| CN102223268B (en) * | 2011-06-17 | 2014-04-02 | 福建星网锐捷网络有限公司 | Network equipment as well as method and device for starting hardware testing of same |
| CN104901427B (en) * | 2015-06-29 | 2018-01-02 | 国家电网公司 | A kind of Substation Communication System |
| CN105872861A (en) * | 2016-05-30 | 2016-08-17 | 河南昊方通信工程技术有限公司 | Program control exchanger self-loop method |
| CN107508773B (en) * | 2016-06-14 | 2020-11-13 | 景略半导体(上海)有限公司 | Port loopback method, system and switch |
| CN110278126A (en) * | 2019-06-28 | 2019-09-24 | 苏州浪潮智能科技有限公司 | A kind of switch port self checking method, system, terminal and storage medium |
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