CN1809176A - Digital distribution frame based alignment method and its apparatus - Google Patents
Digital distribution frame based alignment method and its apparatus Download PDFInfo
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- CN1809176A CN1809176A CN 200510002336 CN200510002336A CN1809176A CN 1809176 A CN1809176 A CN 1809176A CN 200510002336 CN200510002336 CN 200510002336 CN 200510002336 A CN200510002336 A CN 200510002336A CN 1809176 A CN1809176 A CN 1809176A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/14—Distribution frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/13—Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules
- H04Q1/135—Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules characterized by patch cord details
- H04Q1/136—Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules characterized by patch cord details having patch field management or physical layer management arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
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Abstract
This invention discloses one aligning method based on digital aligning rack, which comprises the following steps: generating test signals; generating test signals by network device as network element device and digital rack to send channel connection cable to said digital aligning wire; judging whether passing the said network element device and digital rack to receive channel relative cable to the test signals; if yes, then representing channel relative connection cable is accurate and otherwise representing relative connection wire faults. This invention also discloses one aligning device based on digital rack.
Description
Technical field
The present invention relates to the transmission line failure detection technique in the communications network system, especially relate to a kind of based on digital distribution frame (DDF, Digital Distribution Frame) to line method and alignment device thereof.
Background technology
Along with the continuous increase of message volume, have stronger data access capability with regard to requiring the network element device in the communications network system, for example single common network element device can provide the low speed electrical interface of more than 1000 2M unrare at present.
Like this, for adapting to the stronger data access capability of network element device in the communications network system, when setting up the communications network, the E1/T1 business datum that sends to optical transmission device from the outside will at first be linked into digital distribution frame DDF, is transferred to optical transmission device (optical transmission device is the part network element device in the communications network system) by DDF again.Therefore when setting up the communications network, connection cable between optical transmission device and the DDF will all connect when beginning in advance, but can there be faults such as loose contact unavoidably in cable in connection procedure, cause the connection cable between optical transmission device and the DDF in connection procedure, can go wrong unavoidably, therefore whether the connection cable between light travels equipment and the DDF connects and correctly just seems very necessary, in the industry whether the connection cable between light travels equipment and the DDF is connected correct procedure definition at present for to line process.
In the prior art, based on DDF line process is still rested on the manual inspection mode, its specific implementation process is as follows:
At first use detecting instrument to connect a pair of transmitting-receiving port of DDF;
Secondly to optical transmission device issue external loop order outer shroud this to the transmitting-receiving port;
Observe whether to exist in the detecting instrument side and never lead to logical process, if show that then it is correct that on the DDF this connects the connection cable between transmitting-receiving port and the optical transmission device by this service signal of DDF to the transmitting-receiving port; Otherwise show that on the DDF this connects existing problems (as connection error or cable fault etc.) to the connection cable between transmitting-receiving port and the optical transmission device, after waiting to get rid of corresponding failure, again this is detected the connection cable between transmitting-receiving port and the optical transmission device;
Treat this to the transmitting-receiving port detect pass through after, disconnection detection instrument and this are connected the transmitting-receiving port, the cable that recovers the DDF port is from ring status, and issues the external loop order to optical transmission device once more, cancellation to this to receiving and dispatching the outer shroud of port;
Detecting instrument is connected to the following a pair of sending and receiving end mouth of DDF, begins the connection cable between a pair of sending and receiving end mouth and the optical transmission device under the DDF is detected, the rest may be inferred, detects until all transmitting-receiving ports of DDF and pass through, and line process is finished.
Obviously, utilize above-mentioned manual inspection mode of the prior art that DDF is carried out line, have following inevitable defective:
1) need line affair attendant to grasp certain optical transmission device principle knowledge and detecting instrument operative knowledge, therefore the technical ability to line affair attendant requires than higher;
2) because the connection cable number between DDF and the optical transmission device is many, it is lower therefore to use the manual inspection mode to carry out line efficient, human cost that will consume significant;
3) owing to use the manual inspection mode once can only detect the transmitting-receiving port of DDF, therefore when the transmitting-receiving port number of DDF more for a long time, the fault location workload of connection cable will be very big.
Summary of the invention
The technical problem to be solved in the present invention is to propose a kind of can the raising line efficient, and reduce the fault location workload based on digital distribution frame to line method and alignment device thereof.
For addressing the above problem, the present invention proposes a kind of based on digital distribution frame to line method, comprise step:
Generate detection signal;
By network element device the detection signal that generates is sent to described digital distribution frame by the connection cable as sendaisle between described network element device and the digital distribution frame; And
Judge whether and to receive this detection signal by corresponding connection cable, if show that this connection cable to the transceiver channel correspondence connects correct as receive path between described network element device and the digital distribution frame; Otherwise show that there is fault in this connection cable connection to the transceiver channel correspondence.
The mode of wherein said generation detection signal comprises:
Generate detection signal by described network element device self; Or
Setting can support to generate the detecting instrument and the described network element device intercommunication of detection signal.
Being used to receive the output port of described detection signal on the wherein said digital distribution frame and being used for this detection signal of loopback is the transmitting-receiving port of going the same way for the receiving port of described network element device.Or be used to receive the output port of described detection signal on the described digital distribution frame and be used for this detection signal of loopback be dislocation transmitting-receiving port for the receiving port of described network element device.
Wherein said detection signal is a pseudo noise code.Described network element device is an optical transmission device.Described optical transmission device is encapsulated in the pseudo noise code that generates and sends to described digital distribution frame in the E1 signal.
Correspondingly, the invention allows for a kind of alignment device, comprising based on digital distribution frame:
The detection signal generation unit is used to generate detection signal;
The detection signal transmitting element is used for the detection signal that described detection signal generation unit generates is sent to described digital distribution frame by the connection cable as sendaisle between network element device and the digital distribution frame;
Judging unit is used to judge whether and can receives described detection signal by the corresponding connection cable as receive path between network element device and the digital distribution frame;
The testing result generation unit is used for the judged result according to described judging unit,, generates this connection cable to the transceiver channel correspondence and connects correct object information when being in judged result; And in judged result for not the time, generate this connection cable and connect the object information that has fault the transceiver channel correspondence.
Wherein said network element device is an optical transmission device, and described detection signal generation unit is the mapping block that can support to generate described detection signal of described optical transmission device inside; Or
Be external outside and network element device intercommunication and can support to generate the detecting instrument of described detection signal at described network element device.
The detection signal that wherein said detection signal generation unit generates is a pseudo noise code.
What the present invention is based on digital distribution frame sends to DDF with the detection signal utilization that generates as the connection cable of sendaisle between network element device and the DDF by the network element device in the network system to line method and alignment device thereof, and monitoring whether can be between as network element device and DDF receives this detection signal on the corresponding connection cable of receive path, whether the connection cable with transceiver channel correspondence between detection network element device and the DDF connects correctly, thereby reaches the purpose to line; And since whole to detection signal in the line process transmission and all be that system finishes automatically to the judgement that whether can correctly receive the detection signal of DDF loopback, upward whether each exists the connection fault to connection cable of receiving and dispatching the port correspondence to need not to test one by one by hand DDF, therefore improved efficient to line, reduced workload simultaneously to fault location in the line process, also avoided since line affair attendant's self-technique factor to whole influence to toe-in fruit accuracy.
Description of drawings
Fig. 1 is the schematic diagram of correct connection cable between E1/T1 Interface plate and the DDF on the optical transmission device;
Fig. 2 receives and dispatches the schematic diagram that connects anti-fault for connection cable between E1/T1 Interface plate on the optical transmission device and the DDF exists to line;
Fig. 3 be on the optical transmission device between E1/T1 Interface plate and the DDF connection cable have schematic diagram to dislocation fault between line;
Fig. 4 be on the optical transmission device between E1/T1 Interface plate and the DDF connection cable exist receiving the schematic diagram of wrong fault between line;
Fig. 5 be on the optical transmission device between E1/T1 Interface plate and the DDF connection cable exist sending out the schematic diagram of wrong fault between line;
Fig. 6 be on the optical transmission device between E1/T1 Interface plate and the DDF connection cable have schematic diagram to transmitting-receiving wrong fault between line;
Fig. 7 is the main implementation procedure principle flow chart to line method that the present invention is based on digital distribution frame;
Fig. 8 be the present invention is based on digital distribution frame to the enforcement schematic diagram of line method under DDF goes the same way transmitting-receiving port direct-connected situation;
Fig. 9 be the present invention is based on digital distribution frame to the enforcement schematic diagram of line method under the situation that DDF dislocation transmitting-receiving port connects;
Figure 10 the present invention is based on digital distribution frame line method is directly connected and misplace enforcement schematic diagram under the situation about being connected of DDF transmitting-receiving port at the transmitting-receiving port of going the same way in conjunction with DDF;
Figure 11 is the concrete composition structured flowchart that the present invention is based on the alignment device of digital distribution frame.
Embodiment
At present, the fault type of the existence of the connection cable between network element device in the communications network system (as optical transmission device) and the DDF comprises multiple:
Wherein Figure 1 shows that on the optical transmission device schematic diagram of correct connection cable between the E1/T1 Interface plate and DDF, is output port Tx by the port of dual box indicating among the figure wherein, and the port of being represented by dual circle is receiving port Rx, down with);
Figure 2 shows that on the optical transmission device that connection cable between the E1/T1 Interface plate and DDF exists to line transmitting-receiving to connect the schematic diagram of anti-fault; Wherein phenomenon of the failure is the Rx2 that Tx1 on the E1/T1 Interface plate has been connected to DDF, and the Rx1 on the E1/T1 Interface plate has been connected to the Tx2 of DDF, just in time connects anti-fault thereby formed the transmitting-receiving port;
Figure 3 shows that on the optical transmission device that there is the schematic diagram to dislocation fault between line in connection cable between the E1/T1 Interface plate and DDF;
Figure 4 shows that on the optical transmission device that connection cable exists receiving the schematic diagram of wrong fault between line between the E1/T1 Interface plate and DDF;
Figure 5 shows that on the optical transmission device that connection cable exists sending out the schematic diagram of wrong fault between line between the E1/T1 Interface plate and DDF;
Figure 6 shows that on the optical transmission device that there is the schematic diagram to transmitting-receiving wrong fault between line in connection cable between the E1/T1 Interface plate and DDF;
In concrete networking implementation process, may there be the combined situation of above-mentioned various faults simultaneously in the connection cable between network element device and the DDF; Certainly except above-mentioned listed fault, may also there be fault modes such as impedance does not match, cable open circuit, cable short circuit, plug loose contact in the connection cable between network element device and the DDF.
What the present invention is based on digital distribution frame generates detection signal to line method and alignment device thereof according to the random signal characteristic of pseudo noise code (prbs) or other coding codewords, and automatically the detection signal that generates is sent to DDF by sendaisle by the network element device in the network system, and judge whether on the receive path of correspondence, to receive this detection signal, whether correctly detect with detection and this connection the connection cable between network element device and DDF of transceiver channel correspondence.
Below in conjunction with each accompanying drawing the embodiment to line method and alignment device thereof that the present invention is based on digital distribution frame is explained in detail.See also Fig. 7, this figure is the main implementation procedure principle flow chart to line method that the present invention is based on digital distribution frame; Its main implementation procedure is as follows:
Step S10 generates detection signal; Wherein the detection signal of Sheng Chenging can be pseudo noise code (prbs), because pseudo noise code (prbs) is the repeatably binary sequence with random signal statistical property, load PDH (Pseudo-synchronous Digital Hierarchy) (PDH so use pseudo noise code,) or SDH (Synchronous Digital Hierarchy) (SDH,) transferring data frames, whether the connection cable that not only can test as transceiver channel between network element device and the DDF connects correctly the problems such as quality of connection that can also test connection cable; Certainly the detection signal that generates also can be the test patterns of other types; Wherein generate detection signal mode can for:
Generate detection signal by the network element device in the network system self; Or
Being provided with one can support the detecting instrument and the network element device in the network system that generate detection signal to carry out intercommunication.
Step S20 sends to DDF with the detection signal that generates by the connection cable as sendaisle between this network element device and the digital distribution frame DDF by the network element device in the network system;
Step S30, described network element device judge whether and can receive this detection signal by the corresponding connection cable as receive path between this network element device and the DDF, if, execution in step S40; Otherwise execution in step S50;
Step S40 shows that this connection cable connection to the transceiver channel correspondence is correct between network element device and DDF;
Step S50 shows that there is fault in this connection cable connection to the transceiver channel correspondence between network element device and DDF.
Network element device in the wherein said network system can be optical transmission device, also can be for comprising other network equipments that wait a large amount of cables of needs to connect of stored-program control exchange.And at present in network system, most of E1/T1 mapping (Mapping) modules that optical transmission device uses are all supported functions such as puppet generation of sign indicating number test patterns such as (prbs) immediately and monitoring, utilize this function of E1/T1 mapping block to generate test signal like this, whether correctly connect with the connection cable between light travels equipment and the DDF, this implementation does not only need instrument in to line process, but also can find cable connection error and cable open circuit, short circuits etc. are serious to connect fault, and can find because impedance does not match, the distorted signals fault that plug loose contact etc. causes.As: the optical transmission device in the network system can be encapsulated in the pseudo noise code (prbs) that generates in the E1 signal and send to DDF by the sendaisle between optical transmission device and the DDF.
Wherein being used to receive the output port Tx of the detection signal that network element device sends on the DDF and being used for this detection signal of loopback is the transmitting-receiving port of going the same way for the receiving port Rx of described network element device, as shown in Figure 8, this figure be the present invention is based on digital distribution frame to the enforcement schematic diagram of line method under DDF goes the same way transmitting-receiving port direct-connected situation, as shown in Figure 8, DDF goes the same way and receives and dispatches the direct-connected situation of receiving port Rx that port is meant last each output port Tx of DDF and correspondence, and is so specifically as follows to line process:
1) sets gradually that each sendaisle is pseudo noise code (prbs) sendaisle in the network element device (being that example describes with the optical transmission device) in the network system here, be that connection cable between optical transmission device and the DDF can be used for transmitting the prbs sign indicating number, wherein this function can realize by the relevant control register of the E1/T1 mapping block in the read-write optical transmission device;
2) the prbs sign indicating number sending function of each sendaisle in the startup optical transmission device;
3) optical transmission device scans all receive paths successively, judge whether to receive that correct prbs pseudo-random code stream is not (because DDF can carry out any processing to signal, can only carry out loop back processing being to signal, so should be consistent by the prbs pseudo-random code stream that sendaisle sends to DDF) with optical transmission device by the prbs pseudo-random code stream of DDF loopback;
4) if optical transmission device does not correctly receive the prbs code stream by receive path, perhaps received correct prbs code stream, but find to send the sendaisle number of this prbs code stream and receive the receive path of this prbs code stream number inconsistent, then optical transmission device thinks that there is failure problems in this connection cable to the transceiver channel correspondence, reports corresponding error information.
Wherein above-mentioned shown in Figure 8 to line process can detect except that to line transmitting-receiving connect anti-, to all the connection error faults the dislocation between line and impedance fault such as do not match.
In addition, be used to receive the output port Tx of the detection signal that network element device sends on the DDF and be used for this detection signal of loopback that to give the receiving port Rx of described network element device also can be dislocation transmitting-receiving port, as shown in Figure 9, this figure be the present invention is based on digital distribution frame to the enforcement schematic diagram of line method under the situation that DDF dislocation transmitting-receiving port connects, as shown in Figure 9, DDF dislocation transmitting-receiving port is meant that dislocation is connected with receiving port Rx with the external output port Tx of DDF with cable, and Tx1 connects Rx2, Tx2 and connects Rx3......TxN-1 connection RxN as shown in Figure 9; Certainly opposite the connection, connect TxN as Rx1 connection Tx2, Rx2 connection Tx3......RxN-1 and also can.Under the situation that dislocation is connected with receiving port Rx of each output port Tx on the DDF, concrete is as follows to line process like this:
1) sets gradually that each sendaisle is pseudo noise code (prbs) sendaisle in the network element device (being that example describes with the optical transmission device) in the network system here, be that connection cable between optical transmission device and the DDF can be used for transmitting the prbs sign indicating number, wherein this function can realize by the relevant control register of the E1/T1 mapping block in the read-write optical transmission device;
2) the prbs sign indicating number sending function of each sendaisle in the startup optical transmission device;
3) optical transmission device scans all receive paths successively, judges whether to receive correct prbs pseudo-random code stream;
4) if optical transmission device does not correctly receive the prbs code stream by receive path, perhaps received correct prbs code stream, but the receive path that find to send the sendaisle number of this prbs code stream and receive this prbs code stream number does not meet transmitting-receiving port dislocation annexation shown in Figure 9, then optical transmission device thinks that there is failure problems in this connection cable to the transceiver channel correspondence, reports corresponding error information.
Wherein above-mentioned shown in Figure 9 to line process and above-mentioned shown in Figure 8 similar to line process, just changed the wiring relation of DDF outside port, and do not connect between the 1st transmit port and the last receiving port, thus shown in Figure 9 to line process also can detect except that to line transmitting-receiving connect anti-, to all the connection error faults the dislocation between line and impedance fault such as do not match.
In conjunction with above-mentioned shown in Figure 8 to line process and shown in Figure 9 to line process, can also there be the third implementing measure to exist, see also Figure 10, this figure the present invention is based on digital distribution frame line method is directly connected and misplace enforcement schematic diagram under the situation about being connected of DDF transmitting-receiving port at the transmitting-receiving port of going the same way in conjunction with DDF; Describedly be meant with cable than length in conjunction with the DDF situation that the transmitting-receiving port directly connects and the dislocation of DDF transmitting-receiving port is connected of going the same way, the output port TX1 of the fixedly connected DDF of one end, the other end connects receiving port Rx1, Rx2......RxN in order successively, specifically as shown in figure 10.Concrete like this is as follows to line process:
1) setting initial time-out time is 30 minutes, connects hand-off process by manually finishing cable shown in Figure 10 then; The sendaisle that the Tx1 correspondence at first is set is a prbs code stream sendaisle; What current expectation was set respectively is receive path 1, receive path 2...... receive path N with the corresponding respectively receive path of receiving port Rx1, Rx2......RxN, and the receive path that each expectation is set is a prbs code stream receive path;
2) when the receive path that detects certain expectation from can not correctly receiving the prbs code stream to can correctly receiving the prbs code stream, can not correctly receive the prbs code stream again then, show that then the connection cable of this receive path correspondence has been switched on once; Write down this receive path that is switched on number, and time-out time is set is 10 seconds;
3) relatively whether the receive path number of expectation and the actual receive path that will detect be number identical, different then show that there is failure problems in the receive path of this expectation, need report corresponding bug information; The receive path of expectation number adds the detection that next receive path is continued in 1 back.
Wherein shown in Figure 10 can detect the failure problems that the connection cable as all receive paths between network element device and the DDF exists to line process, as comprise and connect anti-and to fault such as misplacing between line, but whether normally but can not detect as the connection cable of sendaisle between network element device and the DDF to line transmitting-receiving.
To sum up, if shown in Figure 8, can detect existing all faults of connection cable between network element device and the DDF to line process and shown in Figure 9 line process is used.If simultaneously shown in Figure 8, also can detect existing all faults of connection cable between network element device and the DDF to line process and shown in Figure 10 line process is used.
Correspondingly, the present invention has also proposed a kind of alignment device based on digital distribution frame here, sees also Figure 11, and this figure is the concrete composition structured flowchart that the present invention is based on the alignment device of digital distribution frame; Wherein the alignment device based on DDF specifically comprises:
Detection signal generation unit 10 is mainly used in the generation detection signal, and wherein the detection signal of Sheng Chenging can be pseudo noise code (prbs), also can be the error detecting code of other types;
Detection signal transmitting element 20 is connected with detection signal generation unit 10, is mainly used in the detection signal that detection signal generation unit 10 is generated and sends to DDF by the connection cable as sendaisle between network element device and the DDF;
Judging unit 30 is connected with detection signal transmitting element 20, is mainly used in to judge whether to receive corresponding detection signal by the corresponding connection cable as receive path between network element device and the DDF;
Testing result generation unit 40 is connected with judging unit 30, is mainly used in the judged result according to judging unit 30,, generates this connection cable to the transceiver channel correspondence and connects correct object information when being in judged result; And in judged result for not the time, generate this connection cable and connect the object information that has fault the transceiver channel correspondence.
Wherein above-mentioned mentioned network element device can be the optical transmission device in the network system, also can be for comprising other telecommunication apparatus that wait a large amount of cables of needs to connect of stored-program control exchange.
When network element device is optical transmission device in the network system, detection signal generation unit 10 can be the mapping block that can support to generate described detection signal of this optical transmission device inside (generally all comprise E1/T1 mapping Mapping module in the existing optical transmission device, and this Mapping module generally all being supported the systematic function of test patterns such as prbs).
If the network element device in the network system is not supported the generation and the monitoring function of test patterns such as prbs, can adopt and to support the detecting instrument that generates detection signal to generate detection signal, and the input/output terminal of this detecting instrument is connected to network element device other do not use port, promptly the output of this detecting instrument of configuration in the line process is connected to the transmit port Txn (this port Txn is not for using port) of network element device, and the receiving terminal that disposes this detecting instrument is connected to the receiving port Rxn (this port Rxn is not for using port) of network element device, thereby reaches the external purpose of carrying out intercommunication at the outside and the network element device of network element device of detecting instrument that generates detection signal.
Be further noted that at this; though described preferred implementation of the present invention above; but can also carry out multiple conversion and change to above-mentioned disclosed solution, only otherwise depart from the defined scope of claim of the present invention, all drop in protection scope of the present invention.
Claims (10)
1, a kind of based on digital distribution frame to line method, it is characterized in that, comprise step:
Generate detection signal;
By network element device the detection signal that generates is sent to described digital distribution frame by the connection cable as sendaisle between described network element device and the digital distribution frame; And
Judge whether and to receive this detection signal by corresponding connection cable, if show that this connection cable to the transceiver channel correspondence connects correct as receive path between described network element device and the digital distribution frame; Otherwise show that there is fault in this connection cable connection to the transceiver channel correspondence.
2, as claimed in claim 1 based on digital distribution frame to line method, it is characterized in that the mode of described generation detection signal comprises:
Generate detection signal by described network element device self; Or
Setting can support to generate the detecting instrument and the described network element device intercommunication of detection signal.
3, as claimed in claim 1 based on digital distribution frame to line method, it is characterized in that, be used to receive the output port of described detection signal on the described digital distribution frame and be used for this detection signal of loopback and be the transmitting-receiving port of going the same way for the receiving port of described network element device.
4, as claimed in claim 1 based on digital distribution frame to line method, it is characterized in that, be used to receive the output port of described detection signal on the described digital distribution frame and be used for this detection signal of loopback be dislocation transmitting-receiving port for the receiving port of described network element device.
5, as claim 1,2,3 or 4 described based on digital distribution frame to line method, it is characterized in that described detection signal is a pseudo noise code.
6, as claimed in claim 5 based on digital distribution frame to line method, it is characterized in that described network element device is an optical transmission device.
7, as claimed in claim 6 based on digital distribution frame to line method, it is characterized in that described optical transmission device is encapsulated in the pseudo noise code that generates and sends to described digital distribution frame in the E1 signal.
8, a kind of alignment device based on digital distribution frame is characterized in that, comprising:
The detection signal generation unit is used to generate detection signal;
The detection signal transmitting element is used for the detection signal that described detection signal generation unit generates is sent to described digital distribution frame by the connection cable as sendaisle between network element device and the digital distribution frame;
Judging unit is used to judge whether and can receives described detection signal by the corresponding connection cable as receive path between network element device and the digital distribution frame;
The testing result generation unit is used for the judged result according to described judging unit,, generates this connection cable to the transceiver channel correspondence and connects correct object information when being in judged result; And in judged result for not the time, generate this connection cable and connect the object information that has fault the transceiver channel correspondence.
9, the alignment device based on digital distribution frame as claimed in claim 8 is characterized in that,
Described network element device is an optical transmission device, and described detection signal generation unit is the mapping block that can support to generate described detection signal of described optical transmission device inside; Or
Be external outside and network element device intercommunication and can support to generate the detecting instrument of described detection signal at described network element device.
As claimed in claim 8 or 9 based on the alignment device of digital distribution frame, it is characterized in that 10, the detection signal that described detection signal generation unit generates is a pseudo noise code.
Priority Applications (2)
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|---|---|---|---|
| CN 200510002336 CN1809176B (en) | 2005-01-17 | 2005-01-17 | Digital distribution frame based alignment method and its apparatus |
| PCT/CN2006/000020 WO2006074597A1 (en) | 2005-01-17 | 2006-01-09 | Line checking method and line checking means for digital distributing frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510002336 CN1809176B (en) | 2005-01-17 | 2005-01-17 | Digital distribution frame based alignment method and its apparatus |
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| CN1809176A true CN1809176A (en) | 2006-07-26 |
| CN1809176B CN1809176B (en) | 2010-08-18 |
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| CN 200510002336 Expired - Fee Related CN1809176B (en) | 2005-01-17 | 2005-01-17 | Digital distribution frame based alignment method and its apparatus |
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| CN1081415C (en) * | 1996-05-24 | 2002-03-20 | 林中翔 | Automatic test and warning system and test method for optical fibre and cable trunk and network |
| FR2770073B1 (en) * | 1997-10-21 | 1999-12-10 | Pouyet Sa | DEVICE FOR DISPLAYING FAULTS OF A TELEPHONE DISTRIBUTOR |
| CN1110183C (en) * | 1998-07-21 | 2003-05-28 | 华为技术有限公司 | Method and arrangement for automatically testing electric properties of circuits on main distrubuting frame |
| EP1137205A1 (en) * | 2000-03-23 | 2001-09-26 | Lucent Technologies Inc. | An apparatus and method for identifying active fibers in a fiber distribution frame |
-
2005
- 2005-01-17 CN CN 200510002336 patent/CN1809176B/en not_active Expired - Fee Related
-
2006
- 2006-01-09 WO PCT/CN2006/000020 patent/WO2006074597A1/en not_active Application Discontinuation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042420B (en) * | 2007-04-24 | 2010-05-26 | 华为技术有限公司 | Method, system and device for line detection |
| CN103401586A (en) * | 2013-08-20 | 2013-11-20 | 国家电网公司 | Communication line fault detecting device and method |
| CN105588993A (en) * | 2015-08-18 | 2016-05-18 | 杭州华三通信技术有限公司 | Signal test method, tested equipment and signal test system |
| CN107703411A (en) * | 2017-10-27 | 2018-02-16 | 通号工程局集团北京研究设计实验中心有限公司 | A kind of quick apparatus and method for checking line quality in SDH Transmission systems |
| CN109474334A (en) * | 2018-10-31 | 2019-03-15 | 国网四川省电力公司达州供电公司 | A kind of digital wiring unit with Air conduct measurement and fault location function |
| CN109507514A (en) * | 2018-10-31 | 2019-03-22 | 安徽奕辉电子科技有限公司 | A kind of device line fault detection means and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1809176B (en) | 2010-08-18 |
| WO2006074597A1 (en) | 2006-07-20 |
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