CN104144442B - Abis interface circulator and production method, Fault Locating Method and system - Google Patents
Abis interface circulator and production method, Fault Locating Method and system Download PDFInfo
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Abstract
The invention discloses a kind of Abis interface circulator and production method, Fault Locating Method and systems, are related to base station field.By the correspondence for testing the DB44 interface pins and E1 cables of Abis interface circulator, by and E1 cables originator the corresponding DB44 interface pins of shielded layer/coaxial core and DB44 interface pins corresponding with shielded layer/coaxial core of E1 cable receiving ends be welded to connect, obtain the circulator that can be adapted to Abis interface, referred to as Abis interface circulator.Node port loop is carried out by Abis interface circulator, state is flickered in conjunction with the indicator light of base station transmission circuit plate, or combines the flow information of the flow information and hair data packet test of the monitoring of OMC webmasters, it can be with the transmission circuits failure such as locating base station, fault location is accurate, convenient and efficient.
Description
Technical field
The present invention relates to base station communication technical field, more particularly to a kind of Abis interface circulator and production method and
Fault Locating Method based on Abis interface circulator and system.
Background technology
Abis interface is two functional entity BSC of base station sub-system(Base station controller)And BTS(Base transceiver station)
Between communication interface, for distal end interconnection mode between BTS and BSC, which supports all customer services and signaling to hand over
Mutual and network management function.The physical connection of Abis interface is realized by 2Mb/s data link.Aspect is using open mutually connection
Structure completes the transparent transmission of the first, second, third layer interface agreement.Abis interface is privately owned interface, is not opened inside equipment vendor
Interface is put, equipment vendor can voluntarily provide, but be to realize information exchange by DB44 physical interfaces.
Since Abis interface circuit quantity is huge, and there are multinodes for link, and the Abis number of links of general local network is all
Reach ten thousand or more, and be failure position occurred frequently, failure is related to SDH(Or PDH)The data configuration in channel, the data of BTS, BSC
Configuration, SDH(Or PDH)Hardware device, Transmission Fibers, BTS, BSC internal transmission circuit board, cross over circuit, each interface electricity
Road etc.;Therefore, the accurate analyzing and positioning of fault point is the key that the such failure of exclusion, but due to being adopted between Abis circuits and base station
With DB44 interfaces, Abis interface is privately owned interface, and traditional instrument and detection method do not have the interface, can not be by the part
It is detected analysis inside circuit access loop, causes such failure that can not position.
Traditional fault handling method can not carry out accurate fault location, and it is transmission, base station that can not accurately distinguish out
Card or relevant interface failure, and the cooperation being related between multiple professions, cause a large amount of human resources and maintenance cost
Spending;In general, for one failure of processing, often multiple round-trip, more exchange device difference plate;Multiple professionals are wanted to go to, it is past
Hundreds of thousands of kilometers will be run toward speedometer for automobile;Meanwhile the method for replacing the base station circuitry plate for having incipient fault one by one, it causes
Base station repeatedly restarts, falls station repeatedly, seriously affects network quality and user perceptibility.
Invention content
A technical problem to be solved of the embodiment of the present invention is:For privately owned interface Abis interface, propose that one kind can
To be adapted to the circulator of Abis interface, examined in order to which the application Abis interface circulator accesses Abis circuits inside loop
Analysis is surveyed, to transmission circuits failures such as locating base stations.
One side according to the ... of the embodiment of the present invention proposes a kind of Abis interface circulator, including:DB44 interface pins
22,23,24,25,1,2,3,4,5,6,7,8,9,10,11,12,13,14,43,44,39,40,41,42,35,36,37,38,
31,32,33,34;Wherein, DB44 interface pins 22 are welded to connect with 24, and DB44 interface pins 23 are welded to connect with 25, and DB44 connects
Lancet foot 1 is welded to connect with 3, and DB44 interface pins 2 are welded to connect with 4, and DB44 interface pins 5 are welded to connect with 7, DB44 interfaces
Stitch 6 is welded to connect with 8, and DB44 interface pins 9 are welded to connect with 11, and DB44 interface pins 10 are welded to connect with 12, and DB44 connects
Lancet foot 13 is welded to connect with 43, and DB44 interface pins 41 are welded to connect with 44, and DB44 interface pins 39 are welded to connect with 41,
DB44 interface pins 40 are welded to connect with 42, and DB44 interface pins 35 are welded to connect with 37, and DB44 interface pins 36 and 38 are welded
Connection, DB44 interface pins 31 are welded to connect with 33, and DB44 interface pins 32 are welded to connect with 34.
Other side according to the ... of the embodiment of the present invention proposes a kind of production method of Abis interface circulator, including:It surveys
Try the correspondence of the DB44 interface pins and E1 cables of Abis interface circulator;The shielded layer started with E1 cables is corresponding
DB44 interface pins and DB44 interface pins corresponding with the shielded layer of E1 cable receiving ends are welded to connect;By what is started with E1 cables
The corresponding DB44 interface pins of coaxial core and DB44 interface pins corresponding with the coaxial core of E1 cable receiving ends are welded to connect.
Another aspect according to the ... of the embodiment of the present invention proposes a kind of Fault Locating Method, including:Pass through Abis interface ring
Road device carries out node port loop, state is flickered in conjunction with the indicator light of base station transmission circuit plate, alternatively, in conjunction with OMC(Operation and Maintenance
Center)The flow information of the flow information and hair data packet test of webmaster monitoring, positions the failure in base station equipment.
Another aspect according to the ... of the embodiment of the present invention proposes a kind of fault location system, including:Abis interface loop
Device;The system carries out node port loop by Abis interface circulator,
State is flickered in conjunction with the indicator light of base station transmission circuit plate, alternatively, the flow information and hair that are monitored in conjunction with OMC webmasters
The flow information of data packet test, positions the failure in base station equipment.
The present invention obtains the correspondence of the DB44 interface pins and E1 cables of Abis interface circulator by test, will be with
The corresponding DB44 interface pins of shielded layer and DB44 interface pins corresponding with the shielded layer of E1 cable receiving ends of E1 cables originator
Be welded to connect, and by the corresponding DB44 interface pins of the coaxial core started with E1 cables and with the coaxial core of E1 cable receiving ends it is corresponding
DB44 interface pins be welded to connect, to obtain a kind of circulator that can be adapted to Abis interface, referred to as Abis interface loop
Device.Abis circuits are accessed inside loop using the Abis interface circulator and are detected analysis, in conjunction with base station transmission circuit plate
Indicator light flicker state, can be with alternatively, in conjunction with the flow information that the flow information and hair data packet that OMC webmasters monitor are tested
The transmission circuits failure such as locating base station, fault location is accurate, convenient and efficient, and need not transmit professional instrument and transmission technology people
The participation of member, greatly improves working efficiency, alleviates the labor intensity of technical staff, reduce failure and last, it is ensured that
The stability of quality of wireless network.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the transmission loop schematic diagram of the present invention.
Fig. 2 is the communications link schematic diagram of the present invention.
Fig. 3 is the E1 flow original state schematic diagrames that the present invention is observed by OMC webmasters.
Fig. 4 is the schematic diagram that the present invention sends out data packet on Article 3 E1 circuits.
Fig. 5 is that the reception of circuit when Fig. 4 sends out data packet such as sends status diagram.
Fig. 6 is the schematic diagram that the present invention sends out data packet on Article 4 E1 circuits.
Fig. 7 is that the reception of circuit when Fig. 6 sends out data packet such as sends status diagram.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
The troubleshooting of transmission circuit mostly uses the method from ring, so-called from ring, and being exactly will in remote network element near nodal
Transmission circuit docks, and allows local network element internal loopback, by the consistency for judging to receive and send messages, to judge the failure of transmission link
Characteristic.Fig. 1 is transmission loop schematic diagram.As shown in Figure 1, in general, to core net direction from ring, referred to as upward loop, conversely,
To access net direction from ring, referred to as downward loop.Common loop method has two points of link methods, is also to divide link one to be
Two, loop is done from centre to both sides, first judgement is the failure of which side, then the link of failure side is divided into two to two side rings
Road, until fault point is accurately positioned.
Since Abis interface is privately owned interface, there is presently no a kind of circulators that can be adapted to Abis interface, to hinder
Hinder Abis interface line loop, causes Abis base station equipments that can not carry out fault location.
The present invention is directed to privately owned interface Abis interface, proposes a kind of circulator that can be adapted to Abis interface, referred to as Abis
Interface circulator.
The production method for introducing Abis interface circulator first below, includes the following steps:
First, using equipment such as multimeters, the DB44 interface pins for testing Abis interface circulator are corresponding with E1 cables
Relationship, it is specific as shown in table 1:
E1 cables number | 1(Originator) | 2(Receiving end) | 3(Originator) | 4(Receiving end) |
DB44 interface pins | 22、23 | 24、25 | 1、2 | 3、4 |
Cable serial number | Shielded layer, coaxial core | Shielded layer, coaxial core | Shielded layer, coaxial core | Shielded layer, coaxial core |
E1 cables number | 5(Originator) | 6(Receiving end) | 7(Originator) | 8(Receiving end) |
DB44 interface pins | 5、6 | 7、8 | 9、10 | 11、12 |
Cable serial number | Shielded layer, coaxial core | Shielded layer, coaxial core | Shielded layer, coaxial core | Shielded layer, coaxial core |
E1 cables number | 9(Originator) | 10(Receiving end) | 11(Originator) | 12(Receiving end) |
DB44 interface pins | 13、14 | 43、44 | 39、40 | 41、42 |
Cable serial number | Shielded layer, coaxial core | Shielded layer, coaxial core | Shielded layer, coaxial core | Shielded layer, coaxial core |
E1 cables number | 13(Originator) | 14(Receiving end) | 15(Originator) | 16(Receiving end) |
DB44 interface pins | 35、36 | 37、38 | 31、32 | 33、34 |
Cable serial number | Shielded layer, coaxial core | Shielded layer, coaxial core | Shielded layer, coaxial core | Shielded layer, coaxial core |
Table 1
Then, by the corresponding DB44 interface pins of the shielded layer started with E1 cables and shielded layer pair with E1 cable receiving ends
The DB44 interface pins answered are welded to connect;Also, by the corresponding DB44 interface pins of the coaxial core started with E1 cables and and E1
The corresponding DB44 interface pins of coaxial core of cable receiving end are welded to connect.Welding can use 0.5mm copper core wire jumpers.
After the completion of welding, encapsulation can be obtained Abis interface circulator.
Abis interface circulator, including:DB44 interface pins 22,23,24,25,1,2,3,4,5,6,7,8,9,10,11,
12,13,14,43,44,39,40,41,42,35,36,37,38,31,32,33,34;
Wherein, DB44 interface pins 22 are welded to connect with 24, and DB44 interface pins 23 are welded to connect with 25, DB44 interface needles
Foot 1 is welded to connect with 3, and DB44 interface pins 2 are welded to connect with 4, and DB44 interface pins 5 are welded to connect with 7, DB44 interface pins
6 are welded to connect with 8, and DB44 interface pins 9 are welded to connect with 11, and DB44 interface pins 10 are welded to connect with 12, DB44 interface needles
Foot 13 is welded to connect with 43, and DB44 interface pins 41 are welded to connect with 44, and DB44 interface pins 39 are welded to connect with 41, and DB44 connects
Lancet foot 40 is welded to connect with 42, and DB44 interface pins 35 are welded to connect with 37, and DB44 interface pins 36 are welded to connect with 38,
DB44 interface pins 31 are welded to connect with 33, and DB44 interface pins 32 are welded to connect with 34.
It, can be with the transmission circuits failure such as locating base station using Abis interface circulator.
Fig. 2 is a communications link schematic diagram of the invention.As shown in Fig. 2, in communications link, usually contain
Multiple network element nodes, a repeated link carry out Abis protocol conversions, using DDF after time gas exchange(Digital wiring
Frame)The STM-1 of frame jumper connection to SDH are packaged, and BSC equipment is transferred to after opto-electronic conversion, then carry out opto-electronic conversion, decapsulation,
The processes such as protocol conversion, time gas exchange.
Fault Locating Method proposed by the present invention based on Abis interface circulator, including:Pass through Abis interface circulator
Node port loop is carried out, state is flickered in conjunction with the indicator light of base station transmission circuit plate, alternatively, the stream monitored in conjunction with OMC webmasters
It measures information and sends out the flow information of data packet test, the failure in base station equipment is positioned.For example, in locating base station equipment
Circuit-board card, interface device, circuit error code, rosin joint and crossed pair in transmission circuit, from ring, circuit obstruction, circuit error code
Etc. failures and usually indiscoverable hidden failures.It is carried out by taking transmission circuit board, circuit breaker, crossed pair failure as an example below
Explanation.
Transmit board faults positioning:
By Abis interface circulator and the external E1 interfaces in base station(That is the DB44 interfaces of the test point 2 in Fig. 2)Docking, and
The E1 interface external from base station is to base station equipment side to lower loop;State is flickered by the indicator light of base station transmission circuit plate, it is right
The transmission board card of inside of base station carries out fault location.One indicator light indicates the state of eight E1 circuits, by time-multiplexed
Mode is divided into eight time slot sections, is shown in Table 2 come what is expressed, chronologically shows that first E1 circuit, quick flashing once indicate just respectively
Often, Article 2 E1 circuits, quick flashing indicate normal, Article 3 E1 circuits twice, quick flashing indicates three times normally, Article 8
E1 circuits, eight expressions of quick flashing are normal.If in some sequential, transmission circuit plate indicator light does not dodge, then it represents that corresponding E1 electricity
Road failure.For example, when the 6th sequential arrives, transmission circuit plate indicator light does not have quick flashing six times, then can determine that it is inside of base station
Transmit the Article 6 E1 circuit malfunctions of board.
Table 2
Circuit breaker fault location:
The upward loop from DDF frame to BSC, display transmission circuit are normal;By Abis interface circulator and the external E1 in base station
Interface docks, and from the external E1 interfaces in base station to the upward loops of BSC, and display transmission circuit is abnormal, then judges that DDF framves are downward
There is open circuit in transmission circuit between the E1 interfaces external to base station.
Crossed pair fault location:
Normal transmission circuit is a receipts one hair connection, and receiving end, originator correspond, such as TX1/RX1, TX2/
RX2 misplaces if there is sending and receiving, such as TX1/RX2, TX2/RX1, referred to as crossed pair failure.Crossed pair failure is that transmission link is normal
See one of failure.
From Digital Distribution Frame DDF framves to the upward loops of BSC, display transmission circuit is normal;Then, by Abis interface circulator
The E1 interface external with base station docks, the E1 interface external from base station to the upward loops of BSC, if display transmission circuit is normal,
It opens OMC webmasters and observes E1 flows.
E1 flows are observed by OMC webmasters, if the reverse flow of Article 3 E1 circuits therein and Article 4 E1 circuits
Less than preset value, for example, as shown in figure 3, the physical circuit of 4 circuits is all in connected state, but the wherein the 3rd, 4 article of E1's is anti-
There was only 384bps to flow, then generates data packet on problematic Article 3 E1 circuits respectively and in problematic Article 4 E1 electricity
Road hair data packet is tested.
It should be noted that third in the present embodiment, the 4th are only used for identifying two articles of different E1 circuits, it is not used to
Expression must be the E1 circuits of serial number 3,4.
When sending out data packet on Article 3 E1 circuits, E1 flow views window is as shown in figure 4, the reception of circuit at this time
Transmission state is as shown in figure 5, if the receiving terminal flow of Article 3 E1 circuits is less than preset value, and the reception of Article 4 E1 circuits
It holds flow to increase, and is less than preset value with the gap for sending out data packet on Article 3 E1 circuits, then carry out follow-up test.For example, from
Fig. 5 is observed, and data packet is sent out on Article 3 circuit, total bit traffic is 809364bps, and the receiving terminal on Article 3 circuit
Bit traffic only has 384bps, and the bit traffic drastic change of Article 4 E1 receiving ends at this moment is at 800784bps;Stopping PING numbers
After packet, bit traffic recovers immediately state shown in Fig. 3, then carries out follow-up test.
When sending out data packet on Article 4 E1 circuits, E1 flow views window is as shown in fig. 6, the reception of circuit at this time
Transmission state is as shown in fig. 7, if the receiving terminal flow of Article 4 E1 circuits is less than preset value, and the reception of Article 3 E1 circuits
It holds flow to increase, and is less than preset value with the gap for sending out data packet on Article 4 E1 circuits, it as a result, then can be with positioning failure.Example
Such as, from Fig. 7, data packet is sent out on Article 4 circuit, total bit traffic is 806624bps, and is connect on Article 4 circuit
The bit traffic of receiving end only has 384bps, and the bit traffic drastic change of Article 3 E1 receiving ends at this moment is at 799984bps;Stopping
After PING data packets, bit traffic recovers immediately state shown in Fig. 3.
It can judge by the above process:In base station, the cable side of E1 circuit external interfaces arrives the lower end of DDF framves upwards
There is crossed pair failure, i.e. TX2/RX3, the crossed pair failure of TX3/RX2 in the 3rd E1 circuits and Article 4 E1 circuits between mouthful.
The invention also provides a kind of fault location system based on Abis interface circulator, which includes:Abis connects
Mouth circulator;The system carries out node port loop by Abis interface circulator, in conjunction with the indicator light of base station transmission circuit plate
Flicker state, alternatively, in conjunction with the flow information that the flow information and hair data packet that OMC webmasters monitor are tested, in base station equipment
Failure positioned.
A kind of illustrative transmission board faults positioning:The system is by Abis interface circulator and the external E1 interfaces in base station
Docking, and from the external E1 interfaces in base station to base station equipment side to lower loop;It is flickered by the indicator light of base station transmission circuit plate
State carries out fault location to the transmission board card of inside of base station.
Another illustrative circuit breaker fault location:The system upward loop from DDF frame to BSC, display transmission electricity
Road is normal;The Abis interface circulator E1 interface external with base station is docked, and from the external E1 interfaces in base station to the upward rings of BSC
Road, display transmission circuit is abnormal, then judges that DDF framves break down to the transmission circuit between the external E1 interfaces in base station
Road.
Another illustrative crossed pair fault location:The system is shown from Digital Distribution Frame DDF framves to the upward loops of BSC
Show that transmission circuit is normal;The Abis interface circulator E1 interface external with base station is docked, the E1 interface external from base station to BSC
Upward loop, if display transmission circuit it is normal, by OMC webmasters observe E1 flows, if Article 3 E1 circuits therein and
The reverse flow of Article 4 E1 circuits is less than preset value, sends out data packet on Article 3 E1 circuits respectively and in Article 4 E1 circuits
Upper hair data packet is tested;When sending out data packet on Article 3 E1 circuits, if the receiving terminal flow of Article 3 E1 circuits
Less than preset value, and the receiving terminal flow of Article 4 E1 circuits increases, and small with the gap of hair data packet on Article 3 E1 circuits
In preset value;When sending out data packet on Article 4 E1 circuits, if the receiving terminal flow of Article 4 E1 circuits is less than preset value,
And the receiving terminal flow of Article 3 E1 circuits increases, and it is less than preset value with the gap for sending out data packet on Article 4 E1 circuits;Then
There is crossed pair failure in judgement Article 3 E1 circuits and Article 4 E1 circuits.
Before using Abis interface circulator, the positioning of many faults, investigation generally require repeatedly to set back and forth
Standby scene;Such as the recessive coffret troubleshooting at Guannan county magistrate's cyclopentadienyl station, due to can not fault point, phenomenon of the failure is multiple
Miscellaneous, multi-specialized more people are multiple back and forth, 1,600 kilometers of stroke, occupy more than 20 a work day of technical backbone of multiple professions,
Gasoline and human resources are not only wasted, the concentration of user is complained, and a large amount of workload, and because failure base are equally brought
Network quality problem is brought at station, causes user perceptibility decline.
Above-mentioned failure is positioned using Abis interface circulator, and combines the processing base stations such as OMC flow views, PING job contract tools
The means of fault, it is fixed that common wireless technology personnel need not use the transmission error code instrument of profession that can accurately judge
Position Abis transmission circuit abort situation;And before such need of work transmission engineering teacher carry code error tester to it is live repeatedly
Test, while transmission network management, wireless webmaster also being needed to coordinate jointly, nonetheless more people participates in, and also can not all complete failure
Positioning.The technology of Abis mouthfuls of circulator processing base station circuitry failures of self-control, has reformed traditional base station transmission circuit troubleshooting
Technology has overturned the troubleshooting means of multi-specialized cooperation.
Therefore the present invention quickly and easily can position and handle previous exceptional fault and technical barrier, improve work
Efficiency;A large amount of human resources and material resources can be saved.It is lasted and it is possible to greatly reduce failure, and makes stealth
Failure domination can find hidden failures, improve network quality and network stabilization in time.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of Abis interface circulator, including:
DB44 interface pins 22,23,24,25,1,2,3,4,5,6,7,8,9,10,11,12,13,14,43,44,39,40,41,
42,35,36,37,38,31,32,33,34;
Wherein, DB44 interface pins 22 are welded to connect with 24, and DB44 interface pins 23 are welded to connect with 25, DB44 interface pins 1
Be welded to connect with 3, DB44 interface pins 2 are welded to connect with 4, and DB44 interface pins 5 are welded to connect with 7, DB44 interface pins 6 with
8 are welded to connect, and DB44 interface pins 9 are welded to connect with 11, and DB44 interface pins 10 are welded to connect with 12, DB44 interface pins 13
It is welded to connect with 43, DB44 interface pins 41 are welded to connect with 44, and DB44 interface pins 39 are welded to connect with 41, DB44 interface needles
Foot 40 is welded to connect with 42, and DB44 interface pins 35 are welded to connect with 37, and DB44 interface pins 36 are welded to connect with 38, and DB44 connects
Lancet foot 31 is welded to connect with 33, and DB44 interface pins 32 are welded to connect with 34;
Wherein, the DB44 interface pins of Abis interface circulator and the correspondence of E1 cables are as shown in the table:
2. a kind of production method of Abis interface circulator described in claim 1, including:
Test the correspondence of the DB44 interface pins and E1 cables of Abis interface circulator;
By and E1 cables originator the corresponding DB44 interface pins of shielded layer and DB44 corresponding with the shielded layer of E1 cable receiving ends
Interface pin is welded to connect;
By and E1 cables originator the corresponding DB44 interface pins of coaxial core and DB44 corresponding with the coaxial core of E1 cable receiving ends
Interface pin is welded to connect.
3. a kind of Fault Locating Method, including:
Node port loop is carried out by Abis interface circulator described in claim 1, in conjunction with the finger of base station transmission circuit plate
Show that lamp flickers state, alternatively, the flow letter of the flow information of binding operation maintenance centre OMC webmasters monitoring and hair data packet test
Breath, positions the failure in base station equipment.
4. according to the method described in claim 3, it is characterised in that it includes:
The Abis interface circulator E1 interface external with base station is docked, and from the external E1 interfaces in base station to base station equipment side to
Lower loop;State is flickered by the indicator light of base station transmission circuit plate, fault location is carried out to the transmission board card of inside of base station.
5. according to the method described in claim 3, it is characterised in that it includes:
From Digital Distribution Frame DDF framves to the upward loop of base station controller BSC, display transmission circuit is normal;By Abis interface loop
The device E1 interface external with base station docks, and from the external E1 interfaces in base station to the upward loops of BSC, shows transmission circuit not just
Often, then judge that DDF framves open circuit occur down to the transmission circuit between the external E1 interfaces in base station.
6. according to the method described in claim 3, it is characterised in that it includes:
From Digital Distribution Frame DDF framves to the upward loops of BSC, display transmission circuit is normal;By Abis interface circulator and base station pair
Outer E1 interfaces docking, the E1 interface external from base station to the upward loops of BSC pass through OMC nets if display transmission circuit is normal
Pipe observes E1 flows, if the reverse flow of Article 3 E1 circuits therein and Article 4 E1 circuits is less than preset value, exists respectively
Data packet is sent out on Article 3 E1 circuits and sends out data packet on Article 4 E1 circuits is tested;It is sent out when on Article 3 E1 circuits
When data packet, if the receiving terminal flow of Article 3 E1 circuits is less than preset value, and the receiving terminal flow of Article 4 E1 circuits increases
Add, and is less than preset value with the gap for sending out data packet on Article 3 E1 circuits;When sending out data packet on Article 4 E1 circuits, such as
The receiving terminal flow of fruit Article 4 E1 circuits is less than preset value, and the receiving terminal flow of Article 3 E1 circuits increases, and with the 4th
The gap of hair data packet is less than preset value on E1 circuits;Then judge that crossed pair occur in Article 3 E1 circuits and Article 4 E1 circuits
Failure.
7. a kind of fault location system, including:Abis interface circulator described in claim 1;
The system carries out node port loop by Abis interface circulator, flickers shape in conjunction with the indicator light of base station transmission circuit plate
State, alternatively, in conjunction with the flow information that the flow information and hair data packet that OMC webmasters monitor are tested, to the failure in base station equipment
It is positioned.
8. system according to claim 7, which is characterized in that
The system docks the Abis interface circulator E1 interface external with base station, and the E1 interface external from base station is set to base station
Standby laterally lower loop;State is flickered by the indicator light of base station transmission circuit plate, failure is carried out to the transmission board card of inside of base station
Positioning.
9. system according to claim 7, which is characterized in that
The system upward loop from DDF frame to BSC, display transmission circuit are normal;Abis interface circulator and base station is external
E1 interfaces dock, and from the external E1 interfaces in base station to the upward loops of BSC, display transmission circuit is abnormal, then judge DDF framves to
There is open circuit in the transmission circuit arrived down between the external E1 interfaces in base station.
10. system according to claim 7, which is characterized in that
For the system from Digital Distribution Frame DDF framves to the upward loops of BSC, display transmission circuit is normal;By Abis interface circulator with
The external E1 interfaces docking in base station, the E1 interface external from base station to the upward loops of BSC lead to if display transmission circuit is normal
OMC webmasters observation E1 flows are crossed, if the reverse flow of Article 3 E1 circuits therein and Article 4 E1 circuits is less than preset value,
Data packet is sent out on Article 3 E1 circuits respectively and sends out data packet on Article 4 E1 circuits and is tested;When in Article 3 E1 electricity
When the hair data packet of road, if the receiving terminal flow of Article 3 E1 circuits is less than preset value, and the receiving terminal of Article 4 E1 circuits
Flow increases, and is less than preset value with the gap for sending out data packet on Article 3 E1 circuits;When sending out data on Article 4 E1 circuits
Bao Shi, if the receiving terminal flow of Article 4 E1 circuits is less than preset value, and the receiving terminal flow of Article 3 E1 circuits increases, and
It is less than preset value with the gap for sending out data packet on Article 4 E1 circuits;Then judge that Article 3 E1 circuits and Article 4 E1 circuits occur
Crossed pair failure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310172408.2A CN104144442B (en) | 2013-05-10 | 2013-05-10 | Abis interface circulator and production method, Fault Locating Method and system |
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