CN102386972B - Method, device and system for detecting misconnection of optical fibers - Google Patents

Method, device and system for detecting misconnection of optical fibers Download PDF

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Publication number
CN102386972B
CN102386972B CN201110325713.1A CN201110325713A CN102386972B CN 102386972 B CN102386972 B CN 102386972B CN 201110325713 A CN201110325713 A CN 201110325713A CN 102386972 B CN102386972 B CN 102386972B
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terminal
local terminal
service aisle
protection channel
opposite end
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CN102386972A (en
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刘军
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The embodiment of the invention provides a method, device and system for detecting misconnection of optical fibers, relating to the technical field of optical communication, and ensuring that personnel can timely find the misconnection of the optical fibers and perform adjustment to improve reliability of a network. The method for detecting misconnection of the optical fibers comprises the following steps of: constructing a physical layer fault in a transmitting direction of an idle channel of a home terminal, and ensuring an opposite terminal to detect the fault, wherein a channel receiving no data in a working channel and a protection channel of the home terminal is the idle channel; and if a port of the home terminal, which is used for receiving K byte fault information and multiplex section remote defect indication which are transmitted by the opposite terminal, is different from the port used for receiving the K byte fault information and the multiplex section remote defect indication during correct connection, the working channel and the protection channel are misconnected. The method for detecting the misconnection of the optical fibers comprises the steps of detecting the physical layer fault in the transmitting direction of the idle channel of the opposite terminal and transmitting the multiplex section remote defect indication in a channel where the physical layer fault is detected by the home terminal and sending the K byte fault information on the protection channel by the home terminal at the same time.

Description

The method of detection fiber misconnection, Apparatus and system
Technical field
The present invention relates to technical field of photo communication, particularly relate to a kind of method, Apparatus and system of detection fiber misconnection.
Background technology
At synchronous digital hierarchy (Synchronous Digital Hierarchy; and synchronous optical network (Synchronous Optical Network SDH); etc. SONET) in optical-fiber network technology; multiplex section protection (Multiplex Section Protection, MSP) agreement is a kind of for providing the agreement of the redundancy backup of transmission link.
Transmission link is defined as service aisle and protection channel by MSP agreement, and under normal condition, data are transmitted on service aisle, and after service aisle produces fault, MSP agreement makes the transmission of data automatically switch in protection channel, thus avoids the interruption of business.
In MSP agreement; K byte is specifically designed to the one piece of data transmitting fault message and service aisle and protection channel transmission state in protection channel; when breaking down in local terminal or opposite end; the one end of breaking down notifies the generation of this fault of the other end by sending K byte in protection channel; subsequently, two ends are carried out the bridge joint of service aisle and protection channel by mutually sending K byte indication information and switch.Meanwhile; if on service aisle or protection channel; break down in a receive direction in one end, this end will send multiplex section remote bug instruction (Multiplex section remote defect indication, MS RDI) to the other end by guilty culprit passage.
In the practical application of MSP agreement, because the situation of optical fiber misconnection often appears in a variety of causes, such as, the transmitting terminal of the protection channel of opposite end and the receiving terminal misconnection of local terminal service aisle, in this case, if break down in opposite end, the K byte information of opposite end will send to the service aisle receiving terminal of local terminal by protection channel transmitting terminal, due in MSP agreement, service aisle is do not send K byte information, the receiving device of local terminal service aisle can neglect this information, make local terminal cannot learn this fault message, and then switching of transmission channel cannot be completed.Due under the mode of this misconnection, data link still can continue to transmit data, so we cannot learn optical fiber whether misconnection, but, once transmission link breaks down, the redundancy backup in transmission link cannot carry out, and cause whole transport service to be interrupted.
Summary of the invention
Technical problem to be solved by this invention is the method, the Apparatus and system that provide a kind of detection fiber misconnection, by carrying out the mode of detection fiber whether misconnection and optical fiber misconnection at local terminal structure fault message, staff can be gone forward side by side Row sum-equal matrix by Timeliness coverage optical fiber Miswire, improves the reliability of network.
For solving the problems of the technologies described above, embodiments of the invention adopt following technical scheme:
A method for detection fiber misconnection, comprising:
On the sending direction of local terminal idle channel, structural physical layer fault, makes opposite end this fault be detected, and wherein, the passage without data receiver in local terminal service aisle and protection channel is described idle channel;
If it is different from receiving the port that described K byte fault message and multiplex section remote bug indicate during exact connect ion that local terminal receives K byte fault message that opposite end sends and the port that multiplex section remote bug indicates, then described service aisle and described protection channel misconnection.
A method for detection fiber misconnection, comprising:
Detect the physical layer fault on the sending direction of idle channel described in opposite end;
Local terminal, detecting that the passage of described physical layer fault sends the instruction of multiplex section remote bug, sends K byte fault message simultaneously in protection channel.
A checkout gear for detection fiber misconnection, comprising:
Structure trouble unit, structural physical layer fault on the sending direction at local terminal idle channel, makes opposite end this fault be detected, and wherein, the passage without data receiver in local terminal service aisle and protection channel is described idle channel;
Judging unit; for receive at local terminal K byte fault message that opposite end sends and the port that multiplex section remote bug indicates different from receiving port that described K byte fault message and multiplex section remote bug indicate during exact connect ion time, judge described service aisle and described protection channel misconnection.
A feedback device for detection fiber misconnection, comprising:
Detecting unit, the physical layer fault on the sending direction detecting idle channel described in opposite end;
Signal transmitting unit, for local terminal detecting that the passage of described physical layer fault sends the instruction of multiplex section remote bug, sends K byte fault message simultaneously in protection channel.
A system for detection fiber misconnection, comprises described checkout gear and feedback device.
Method, the Apparatus and system of the detection fiber misconnection that the embodiment of the present invention provides, at local terminal structure fault message, opposite end can send two kinds of faulty indication to local terminal after this fault message being detected, local terminal can according to the different situations of the receiving position of these two kinds of faulty indication, judge the concrete mode of optical fiber whether misconnection and misconnection, make staff can Timeliness coverage optical fiber Miswire carry out concrete adjustment for detected error connected mode, thus improve the reliability of network.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the method constructing fault end detection fiber misconnection in the embodiment of the present invention;
Fig. 2 is embodiment of the present invention local terminal and connection diagram of opposite end when connecting correct;
Fig. 3 is the flow chart of the method for fault-signal transmitting terminal detection fiber misconnection in the embodiment of the present invention;
Fig. 4 is the connection diagram of local terminal and opposite end when error of the first kind connects in the embodiment of the present invention;
The connection diagram of local terminal and opposite end when Fig. 5 is the second incorrect link in the embodiment of the present invention;
The connection diagram of local terminal and opposite end when Fig. 6 is the third incorrect link in the embodiment of the present invention;
Fig. 7 is the checkout gear schematic diagram of detection fiber misconnection in the embodiment of the present invention;
Fig. 8 is the feedback device schematic diagram of detection fiber misconnection in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
The embodiment of the present invention provides a kind of method of detection fiber misconnection, and as shown in Figure 1, the method comprises:
101, structural physical layer fault on the sending direction of local terminal idle channel, makes opposite end this fault be detected, and wherein, the passage without data receiver in local terminal service aisle and protection channel is described idle channel;
Local terminal first determines which passage current is idle channel; passage without data receiver in local terminal service aisle and protection channel is idle channel; idle channel constructs fault; if namely local terminal service aisle does not have data receiver; then on local terminal service aisle, construct fault; if local terminal protection channel does not have data receiver, then in local terminal protection channel, construct fault.The passage of free time constructs fault and can not cause switching of passage, the detection for optical fiber whether misconnection can be completed when not affecting transfer of data, on the contrary, if construct fault on the passage having data receiver, and now Fiber connection inerrancy, what the fault of this structure will be made to cause passage unnecessary switches.
The information of two kinds of misdirections can be sent to local terminal, i.e. the instruction of multiplex section remote bug and K byte fault message after opposite end detects fault.After opposite end detects opposite end receive direction breaks down, opposite end is indicated to local terminal by the passage occurred in this fault sending multiplex section remote bug, thus the generation of this fault of notice local terminal.K byte information is the information that a segment table of uninterrupted alternating transmission between local terminal and opposite end shows channels operation state, after the passage of transport service breaks down, by identified corresponding fault message in K byte information, in embodiments of the present invention, the K byte information identifying corresponding failure information is called K byte fault message.No matter local terminal constructs fault on service aisle or protection channel, and K byte fault message is all sent to the coupled passage of local terminal by opposite end by the protection channel of opposite end.
Such as; in embodiments of the present invention; local terminal protection channel is idle channel; local terminal protection channel constructs fault; now; opposite end passage by being connected with local terminal protection channel is sent multiplex section remote bug and indicates by opposite end, and sends by the protection channel transmission K byte fault message of opposite end simultaneously.
If it is different from receiving the port that K byte fault message and multiplex section remote bug indicate during exact connect ion that 102 local terminals receive K byte fault message that opposite ends send and the port that multiplex section remote bug indicates, then service aisle and protection channel misconnection.
As shown in Figure 2, when Fiber connection is correct, local terminal service aisle 3 is connected with opposite end service aisle 5, local terminal protection channel 4 is connected with opposite end protection channel 6, local terminal 1 is structural physical layer fault on local terminal service aisle 3, opposite end 2 will send the instruction of multiplex section remote bug to local terminal 1 on opposite end service aisle 5, if Fiber connection is errorless, local terminal 1 will receive the instruction of this multiplex section remote bug on local terminal service aisle 3, and local terminal protection channel 4 can not receive the instruction of this multiplex section remote bug, if so local terminal service aisle 3 does not receive the instruction of multiplex section remote bug, and local terminal protection channel 4 receive this multiplex section remote bug instruction time, just protection channel and service aisle misconnection are described.Meanwhile; in opposite end protection channel 6, K byte fault message will be sent to local terminal protection channel 4 after opposite end 2 detects the physical layer fault that local terminal constructs; local terminal should receive K byte fault message by local terminal protection channel 4; if now; local terminal protection channel 4 does not receive this K byte fault message; and local terminal service aisle 3 receives this K byte fault message, then protection channel and service aisle misconnection are described.
If structural physical layer fault on the sending direction of local terminal protection channel; and local terminal service aisle receives the instruction of multiplex section remote bug; or receive K byte fault message; or local terminal protection channel does not receive the instruction of multiplex section remote bug; or do not receive K byte fault message, then service aisle and protection channel misconnection.
Local terminal 1 is structural physical layer fault in local terminal protection channel 4; opposite end 2 will send the instruction of multiplex section remote bug to local terminal 1 in opposite end protection channel 6; if Fiber connection is errorless; local terminal 1 will receive the instruction of this multiplex section remote bug in local terminal protection channel 4; if so local terminal protection channel 4 does not receive the instruction of multiplex section remote bug; and local terminal service aisle 3 is when receiving the instruction of this multiplex section remote bug, just protection channel and service aisle misconnection are described.Meanwhile; will think in opposite end protection channel 6 that local terminal protection channel 4 sends K byte fault message after opposite end 2 detects the physical layer fault that local terminal constructs; local terminal should receive K byte fault message by local terminal protection channel 4; if now; local terminal protection channel 4 does not receive this K byte fault message; and local terminal service aisle 3 receives this K byte fault message, then protection channel and service aisle misconnection are described.
The detection method that the embodiment of the present invention provides, at local terminal structure fault message, opposite end can send two kinds of faulty indication to local terminal after this fault message being detected, whether local terminal can correctly judge optical fiber whether misconnection according to the receiving position of these two kinds of faulty indication, staff can be gone forward side by side Row sum-equal matrix by Timeliness coverage optical fiber Miswire, thus improves the reliability of network.
Embodiment two
The embodiment of the present invention provides a kind of method of detection fiber misconnection, as shown in Figure 2, comprising:
111, the physical layer fault on the sending direction of idle channel described in opposite end is detected;
Detect physical layer fault in embodiments of the present invention specifically to comprise:
Detection signal loses fault, or detection of loss of frames fault, or receives Multiplex Section AIS.
112, local terminal is detecting that the passage of physical layer fault sends the instruction of multiplex section remote bug, sends K byte fault message in protection channel simultaneously.
Local terminal end detects the fault that opposite end constructs, and sends the information of two kinds of misdirections to opposite end, i.e. the instruction of multiplex section remote bug and K byte fault message.After local terminal detects opposite end sending direction breaks down, local terminal is indicated to opposite end by the passage occurred in this fault sending multiplex section remote bug, thus the generation of this fault of notice opposite end.K byte information is a kind of information representing channels operation state of uninterrupted alternating transmission between local terminal and opposite end, after the passage of transport service breaks down, by identified corresponding fault message in K byte information, in embodiments of the present invention, the K byte information identifying corresponding failure information is called K byte fault message.No matter opposite end constructs fault on service aisle or protection channel, and K byte fault message is all sent to the passage be connected with local terminal protection channel of opposite end by local terminal by the protection channel of local terminal.
If opposite end is structural physical layer fault on the sending direction of its service aisle, and opposite end service aisle receives the K byte fault message that local terminal protection channel sends, or do not receive the multiplex section remote bug instruction that local terminal sends, or opposite end protection channel receives the multiplex section remote bug instruction that local terminal sends, or do not receive the K byte fault message that local terminal protection channel sends, then service aisle and protection channel misconnection; If opposite end is structural physical layer fault on the sending direction of its protection channel; and opposite end service aisle receives the multiplex section remote bug instruction that local terminal sends; or receive the K byte fault message that local terminal protection channel sends; or local terminal protection channel does not receive the multiplex section remote bug instruction that local terminal sends; or do not receive the K byte fault message that local terminal protection channel sends, then service aisle and protection channel misconnection.
The detection method that the embodiment of the present invention provides, two kinds of faulty indication can be sent to opposite end after local terminal detects the fault message that opposite end constructs again, whether opposite end can correctly judge optical fiber whether misconnection according to the receiving position of these two kinds of faulty indication, staff can be gone forward side by side Row sum-equal matrix by Timeliness coverage optical fiber Miswire, thus improves the reliability of network.
Embodiment three
The embodiment of the present invention provides a kind of method of detection fiber misconnection, and the method comprises:
On the sending direction of local terminal idle channel, structural physical layer fault, makes opposite end this fault be detected, and wherein, the passage without data receiver in local terminal service aisle and protection channel is idle channel.
Local terminal first determines which passage current is idle channel; passage without data receiver in local terminal service aisle and protection channel is idle channel; idle channel constructs fault; if namely local terminal service aisle does not have data receiver; then on local terminal service aisle, construct fault; if local terminal protection channel does not have data receiver, then in local terminal protection channel, construct fault.The passage of free time constructs fault and can not cause switching of passage, the detection for optical fiber whether misconnection can be completed when not affecting transfer of data, on the contrary, if construct fault on the passage having data receiver, and now Fiber connection inerrancy, what the fault of this structure will be made to cause passage unnecessary switches.
The information of two kinds of misdirections can be sent to local terminal after opposite end detects this fault, i.e. multiplex section remote bug instruction (Multiplex section remote defect indication, MS RDI) and K byte fault message, wherein, the instruction of multiplex section remote bug will send by guilty culprit passage, if namely construct fault on local terminal service aisle, opposite end will send to local terminal service aisle the instruction of multiplex section remote bug, if construct fault in local terminal protection channel, opposite end will send to local terminal protection channel the instruction of multiplex section remote bug, meanwhile, no matter local terminal is in which channels configuration fault, K byte fault message all can be sent to the coupled passage of local terminal by opposite end by opposite end protection channel.
In embodiments of the present invention, structural physical layer fault comprises:
Structure dropout fault, or structure loss of frame failure, or send Multiplex Section AIS.
Wherein, dropout fault can be constructed by the luminous signal of closing passage light mouth; Loss of frame failure can be constructed by structure clock is abnormal; Local terminal can be sent to the 6-8 position of K2 byte in the K byte information of opposite end to be set to 111, namely send Multiplex Section AIS to opposite end.
If it is different from receiving the port that K byte fault message and multiplex section remote bug indicate during exact connect ion that local terminal receives K byte fault message that opposite end sends and the port that multiplex section remote bug indicates, then service aisle and protection channel misconnection.
As shown in Figure 2, when Fiber connection is correct, local terminal service aisle 3 is connected with opposite end service aisle 5, local terminal protection channel 4 is connected with opposite end protection channel 6, local terminal 1 is structural physical layer fault on local terminal service aisle 3, opposite end 2 will send the instruction of multiplex section remote bug to local terminal 1 on opposite end service aisle 5, if Fiber connection is errorless, local terminal 1 will receive the instruction of this multiplex section remote bug on local terminal service aisle 3, and local terminal protection channel 4 can not receive the instruction of this multiplex section remote bug, if so local terminal service aisle 3 does not receive the instruction of multiplex section remote bug, and local terminal protection channel 4 receive this multiplex section remote bug instruction time, just protection channel and service aisle misconnection are described.Meanwhile; will think in opposite end protection channel 6 that local terminal protection channel 4 sends K byte fault message after opposite end 2 detects the physical layer fault that local terminal constructs; local terminal should receive K byte fault message by local terminal protection channel 4; if now; local terminal protection channel 4 does not receive this K byte fault message; and local terminal service aisle 3 receives this K byte fault message, then protection channel and service aisle misconnection are described.
Table 1
It is as shown in table 1 that (in figure, √ represents and receives MS RDI or K byte fault message; × expression does not receive MS RDI or K byte fault message); structural physical layer fault on local terminal service aisle; the MS RDI received according to local terminal service aisle light mouth and protection channel light mouth and the situation of K byte fault message; three kinds of situations of optical fiber misconnection can be judged; in table 1, be from top to bottom respectively:
Error of the first kind connect: the transmitting terminal of local terminal service aisle and receiving terminal respectively with opposite end protection channel receiving terminal and transmitting terminal misconnection, the transmitting terminal of local terminal protection channel and receiving terminal respectively with opposite end service aisle receiving terminal and transmitting terminal misconnection;
The second incorrect link: the receiving terminal of local terminal service aisle and the transmitting terminal misconnection of opposite end protection channel, the receiving terminal of local terminal protection channel and the transmitting terminal misconnection of opposite end service aisle, the transmitting terminal of local terminal service aisle is connected with the receiving terminal of opposite end service aisle and the receiving terminal of opposite end protection channel respectively with the transmitting terminal of local terminal protection channel;
The third incorrect link: the transmitting terminal of local terminal service aisle and the receiving terminal misconnection of opposite end protection channel; the transmitting terminal of local terminal protection channel and the receiving terminal misconnection of opposite end service aisle, the receiving terminal of local terminal service aisle is connected with the transmitting terminal of opposite end service aisle and the transmitting terminal of opposite end protection channel respectively with the receiving terminal of local terminal protection channel.
The situation of above three kinds of misconnection can not affect the transmission of business on optical fiber, namely in normal state, we cannot learn whether optical fiber has the situation of these three kinds of misconnection, but, if when this three kinds of misconnection, once transmission link breaks down, the redundancy backup in transmission link cannot carry out, and cause whole transport service to be interrupted.
As shown in table 1, if local terminal service aisle is idle channel, i.e. structural physical layer fault on the sending direction of local terminal service aisle, and local terminal service aisle receives the instruction of multiplex section remote bug and K byte fault message, or, local terminal protection channel does not receive the instruction of multiplex section remote bug and K byte fault message, then can judge, error of the first kind as shown in Figure 4 connects, the transmitting terminal of local terminal service aisle 3 and receiving terminal respectively with opposite end protection channel 6 receiving terminal and transmitting terminal misconnection, the transmitting terminal of local terminal protection channel 4 and receiving terminal respectively with opposite end service aisle 5 receiving terminal and transmitting terminal misconnection.
As shown in table 1, if local terminal service aisle is idle channel, i.e. structural physical layer fault on the sending direction of local terminal service aisle, and local terminal service aisle receives K byte fault message, and do not receive the instruction of multiplex section remote bug, or, local terminal protection channel receives the instruction of multiplex section remote bug, and do not receive K byte fault message, then can judge, the second incorrect link as shown in Figure 5, the receiving terminal of local terminal service aisle 3 and the transmitting terminal misconnection of opposite end protection channel 6, the receiving terminal of local terminal protection channel 4 and the transmitting terminal misconnection of opposite end service aisle 5, the transmitting terminal of local terminal service aisle 3 and the transmitting terminal of local terminal protection channel 4 are connected errorless with the receiving terminal of opposite end service aisle 5 and the receiving terminal of opposite end protection channel 6 respectively.
As shown in table 1, if local terminal service aisle is idle channel, i.e. structural physical layer fault on the sending direction of local terminal service aisle, and local terminal service aisle does not receive the instruction of multiplex section remote bug and K byte fault message, or, local terminal protection channel receives the instruction of multiplex section remote bug and K byte fault message, then can judge, the third incorrect link as shown in Figure 6, the transmitting terminal of local terminal service aisle 3 and the receiving terminal misconnection of opposite end protection channel 6, the transmitting terminal of local terminal protection channel 4 and the receiving terminal misconnection of opposite end service aisle 5, the receiving terminal of local terminal service aisle 3 is connected with the transmitting terminal of opposite end service aisle 5 and the transmitting terminal of opposite end protection channel 6 respectively with the receiving terminal of local terminal protection channel 4.
Table 2
It is as shown in table 2 that (in figure, √ represents and receives MS RDI or K byte fault message, × expression does not receive MS RDI or K byte fault message), if local terminal protection channel is idle channel, i.e. structural physical layer fault on the sending direction of local terminal protection channel, and local terminal service aisle receives K byte fault message, and do not receive the instruction of multiplex section remote bug, or, local terminal protection channel receives the instruction of multiplex section remote bug, and do not receive K byte fault message, then can judge, as shown in Figure 4, the transmitting terminal of local terminal service aisle 3 and receiving terminal respectively with opposite end protection channel 6 receiving terminal and transmitting terminal misconnection, the transmitting terminal of local terminal protection channel 4 and receiving terminal respectively with opposite end service aisle 5 receiving terminal and transmitting terminal misconnection.
As shown in table 2, if local terminal protection channel is idle channel, i.e. structural physical layer fault on the sending direction of local terminal protection channel, and local terminal service aisle receives the instruction of multiplex section remote bug and K byte fault message, or, local terminal protection channel connects and does not receive the instruction of multiplex section remote bug and K byte fault message, then can judge, as shown in Figure 5, the receiving terminal of local terminal service aisle 3 and the transmitting terminal misconnection of opposite end protection channel 6, the receiving terminal of local terminal protection channel 4 and the transmitting terminal misconnection of opposite end service aisle 5, the transmitting terminal of local terminal service aisle 3 and the transmitting terminal of local terminal protection channel 4 are connected errorless with the receiving terminal of opposite end service aisle 5 and the receiving terminal of opposite end protection channel 6 respectively.
As shown in table 2, if local terminal protection channel is idle channel, i.e. structural physical layer fault on the sending direction of local terminal protection channel, and local terminal service aisle receives the instruction of multiplex section remote bug, and do not receive K byte fault message, or, local terminal protection channel receives K byte fault message, and do not receive the instruction of multiplex section remote bug, then can judge, as shown in Figure 6, the transmitting terminal of local terminal service aisle 3 and the receiving terminal misconnection of opposite end protection channel 6, the transmitting terminal of local terminal protection channel 4 and the receiving terminal misconnection of opposite end service aisle 5, the receiving terminal of local terminal service aisle 3 and the receiving terminal of local terminal protection channel 4 are connected errorless with the transmitting terminal of opposite end service aisle 5 and the transmitting terminal of opposite end protection channel 6 respectively.
The detection method that the embodiment of the present invention provides, at local terminal structure fault message, two kinds of faulty indication can be sent to local terminal after opposite end detects this fault message again, local terminal can according to the different situations of the receiving position of these two kinds of faulty indication, judge the concrete mode of optical fiber whether misconnection and misconnection, make staff can Timeliness coverage optical fiber Miswire carry out concrete adjustment for detected error connected mode, thus improve the reliability of network.
Embodiment four
The embodiment of the present invention provides a kind of checkout gear of detection fiber misconnection, as shown in Figure 7, comprising:
Structure trouble unit 11, structural physical layer fault on the sending direction at local terminal idle channel, makes opposite end this fault be detected, and wherein, the passage without data receiver in local terminal service aisle and protection channel is idle channel;
Structure trouble unit 11 specifically comprises: structure dropout malfunctioning module, or structure loss of frame failure module, or sends Multiplex Section AIS module.
Judging unit 12; for receive at local terminal K byte fault message that opposite end sends and the port that multiplex section remote bug indicates different from receiving port that K byte fault message and multiplex section remote bug indicate during exact connect ion time, judge service aisle and protection channel misconnection.
Judging unit 12 specifically for: if service aisle described in local terminal is described idle channel, i.e. structural physical layer fault on the sending direction of local terminal service aisle, and local terminal service aisle receives the instruction of multiplex section remote bug and K byte fault message, or, local terminal protection channel connects and does not receive the instruction of multiplex section remote bug and K byte fault message, then judge the transmitting terminal of local terminal service aisle and receiving terminal respectively with opposite end protection channel receiving terminal and transmitting terminal misconnection, the transmitting terminal of local terminal protection channel and receiving terminal respectively with opposite end service aisle receiving terminal and transmitting terminal misconnection.
Judging unit 12 specifically for: if service aisle described in local terminal is described idle channel, i.e. structural physical layer fault on the sending direction of local terminal service aisle, and local terminal service aisle receives K byte fault message, and do not receive the instruction of multiplex section remote bug, or, local terminal protection channel receives the instruction of multiplex section remote bug, and do not receive K byte fault message, then judge the receiving terminal of local terminal service aisle and the transmitting terminal misconnection of opposite end protection channel, the receiving terminal of local terminal protection channel and the transmitting terminal misconnection of opposite end service aisle, the transmitting terminal of local terminal service aisle is connected with the receiving terminal of opposite end service aisle and the receiving terminal of opposite end protection channel respectively with the transmitting terminal of local terminal protection channel.
Judging unit 12 specifically for: if service aisle described in local terminal is described idle channel, i.e. structural physical layer fault on the sending direction of local terminal service aisle, and local terminal service aisle does not receive the instruction of multiplex section remote bug and K byte fault message, or, local terminal protection channel receives the instruction of multiplex section remote bug and K byte fault message, then judge the transmitting terminal of local terminal service aisle and the receiving terminal misconnection of opposite end protection channel, the transmitting terminal of local terminal protection channel and the receiving terminal misconnection of opposite end service aisle, the receiving terminal of local terminal service aisle is connected with the transmitting terminal of opposite end service aisle and the transmitting terminal of opposite end protection channel respectively with the receiving terminal of local terminal protection channel.
Judging unit 12 specifically for: if protection channel described in local terminal is described idle channel, i.e. structural physical layer fault on the sending direction of local terminal protection channel, and local terminal service aisle receives K byte fault message, and do not receive the instruction of multiplex section remote bug, or, local terminal protection channel receives the instruction of multiplex section remote bug, and do not receive K byte fault message, then judge the transmitting terminal of local terminal service aisle and receiving terminal respectively with opposite end protection channel receiving terminal and transmitting terminal misconnection, the transmitting terminal of local terminal protection channel and receiving terminal respectively with opposite end service aisle receiving terminal and transmitting terminal misconnection.
Judging unit 12 specifically for: if protection channel described in local terminal is described idle channel, i.e. structural physical layer fault on the sending direction of local terminal protection channel, and local terminal service aisle receives the instruction of multiplex section remote bug and K byte fault message, or, local terminal protection channel connects and does not receive the instruction of multiplex section remote bug and K byte fault message, then judge the receiving terminal of local terminal service aisle and the transmitting terminal misconnection of opposite end protection channel, the receiving terminal of local terminal protection channel and the transmitting terminal misconnection of opposite end service aisle, the transmitting terminal of local terminal service aisle is connected with the receiving terminal of opposite end service aisle and the receiving terminal of opposite end protection channel respectively with the transmitting terminal of local terminal protection channel.
Judging unit 12 specifically for: if protection channel described in local terminal is described idle channel, i.e. structural physical layer fault on the sending direction of local terminal protection channel, and local terminal service aisle receives the instruction of multiplex section remote bug, and do not receive K byte fault message, or, local terminal protection channel receives K byte fault message, and do not receive the instruction of multiplex section remote bug, then judge the transmitting terminal of local terminal service aisle and the receiving terminal misconnection of opposite end protection channel, the transmitting terminal of local terminal protection channel and the receiving terminal misconnection of opposite end service aisle, the receiving terminal of local terminal service aisle is connected with the transmitting terminal of opposite end service aisle and the transmitting terminal of opposite end protection channel respectively with the receiving terminal of local terminal protection channel.
The embodiment of the present invention provides a kind of feedback device of detection fiber misconnection simultaneously, as shown in Figure 8, comprising:
Detecting unit 13, the physical layer fault on the sending direction detecting opposite end idle channel;
Detecting unit 13 specifically comprises: detection signal loses malfunctioning module, or detection of loss of frames malfunctioning module, or receives Multiplex Section AIS module.
Signal transmitting unit 14, for local terminal detecting that the passage of physical layer fault sends the instruction of multiplex section remote bug, sends K byte fault message simultaneously in protection channel.
The checkout gear of the detection fiber misconnection that the embodiment of the present invention provides and feedback device, at local terminal structure fault message, two kinds of faulty indication can be sent to local terminal after opposite end detects this fault message again, local terminal can according to the different situations of the receiving position of these two kinds of faulty indication, judge the concrete mode of optical fiber whether misconnection and misconnection, make staff can Timeliness coverage optical fiber Miswire carry out concrete adjustment for detected error connected mode, thus improve the reliability of network.
Embodiment five
The embodiment of the present invention provides a kind of system of detection fiber misconnection, comprises checkout gear and the feedback device of the detection fiber misconnection in above-described embodiment six.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in the storage medium that can read, as the floppy disk of computer, hard disk or CD etc., comprise the method for some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform each embodiment of the present invention.
Above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (21)

1. a method for detection fiber misconnection, is characterized in that, comprising:
On the sending direction of local terminal idle channel, structural physical layer fault, makes opposite end this fault be detected, and wherein, the passage without data receiver in local terminal service aisle and protection channel is described idle channel;
If it is different from receiving the port that described K byte fault message and multiplex section remote bug indicate during exact connect ion that local terminal receives K byte fault message that opposite end sends and the port that multiplex section remote bug indicates, then described service aisle and described protection channel misconnection.
2. method according to claim 1, it is characterized in that, also comprise: if service aisle described in local terminal is described idle channel, and service aisle described in local terminal receives the instruction of described multiplex section remote bug and described K byte fault message, or, protection channel described in local terminal connects and does not receive the instruction of described multiplex section remote bug and described K byte fault message, then the transmitting terminal of service aisle described in local terminal and receiving terminal respectively with protection channel receiving terminal described in opposite end and transmitting terminal misconnection, the transmitting terminal of protection channel described in local terminal and receiving terminal respectively with service aisle receiving terminal described in opposite end and transmitting terminal misconnection.
3. method according to claim 1, it is characterized in that, also comprise: if service aisle described in local terminal is described idle channel, and service aisle described in local terminal receives K byte fault message, and do not receive the instruction of described multiplex section remote bug, or, protection channel described in local terminal receives the instruction of described multiplex section remote bug, and do not receive described K byte fault message, the then transmitting terminal misconnection of protection channel described in the receiving terminal of service aisle described in local terminal and opposite end, the transmitting terminal misconnection of service aisle described in the receiving terminal of protection channel described in local terminal and opposite end, the transmitting terminal of service aisle described in local terminal and the transmitting terminal of protection channel described in local terminal are connected with the receiving terminal of protection channel described in the receiving terminal of service aisle described in opposite end and opposite end respectively.
4. method according to claim 1, it is characterized in that, also comprise: if service aisle described in local terminal is described idle channel, and service aisle described in local terminal does not receive the instruction of described multiplex section remote bug and described K byte fault message, or, protection channel described in local terminal receives the instruction of described multiplex section remote bug and described K byte fault message, the then receiving terminal misconnection of protection channel described in the transmitting terminal of service aisle described in local terminal and opposite end, the receiving terminal misconnection of service aisle described in the transmitting terminal of protection channel described in local terminal and opposite end, the receiving terminal of service aisle described in local terminal and the receiving terminal of protection channel described in local terminal are connected with the transmitting terminal of protection channel described in the transmitting terminal of service aisle described in opposite end and opposite end respectively.
5. method according to claim 1, it is characterized in that, also comprise: if protection channel described in local terminal is described idle channel, and service aisle described in local terminal receives described K byte fault message, and do not receive the instruction of described multiplex section remote bug, or, protection channel described in local terminal receives the instruction of described multiplex section remote bug, and do not receive described K byte fault message, then the transmitting terminal of service aisle described in local terminal and receiving terminal respectively with protection channel receiving terminal described in opposite end and transmitting terminal misconnection, the transmitting terminal of protection channel described in local terminal and receiving terminal respectively with service aisle receiving terminal described in opposite end and transmitting terminal misconnection.
6. method according to claim 1, it is characterized in that, also comprise: if protection channel described in local terminal is described idle channel, and service aisle described in local terminal receives the instruction of described multiplex section remote bug and described K byte fault message, or, protection channel described in local terminal connects and does not receive the instruction of described multiplex section remote bug and described K byte fault message, the then transmitting terminal misconnection of protection channel described in the receiving terminal of service aisle described in local terminal and opposite end, the transmitting terminal misconnection of service aisle described in the receiving terminal of protection channel described in local terminal and opposite end, the transmitting terminal of service aisle described in local terminal and the transmitting terminal of protection channel described in local terminal are connected with the receiving terminal of protection channel described in the receiving terminal of service aisle described in opposite end and opposite end respectively.
7. method according to claim 1, it is characterized in that, also comprise: if protection channel described in local terminal is described idle channel, and service aisle described in local terminal receives the instruction of described multiplex section remote bug, and do not receive described K byte fault message, or, protection channel described in local terminal receives described K byte fault message, and do not receive the instruction of described multiplex section remote bug, the then receiving terminal misconnection of protection channel described in the transmitting terminal of service aisle described in local terminal and opposite end, the receiving terminal misconnection of service aisle described in the transmitting terminal of protection channel described in local terminal and opposite end, the receiving terminal of service aisle described in local terminal and the receiving terminal of protection channel described in local terminal are connected with the transmitting terminal of protection channel described in the transmitting terminal of service aisle described in opposite end and opposite end respectively.
8. method according to claim 1, is characterized in that, described structural physical layer fault comprises:
Structure dropout fault, or structure loss of frame failure, or send Multiplex Section AIS.
9. a method for detection fiber misconnection, is characterized in that, comprising:
Detect the physical layer fault on the sending direction of opposite end idle channel;
Local terminal is detecting that the passage of described physical layer fault sends the instruction of multiplex section remote bug; simultaneously in protection channel, send K byte fault message, so that whether the receiving position of the receiving position that indicates according to described multiplex section remote bug of opposite end and described K byte fault message correctly judges service aisle and protection channel whether misconnection.
10. method according to claim 9, is characterized in that, described detection physical layer fault comprises:
Detection signal loses fault, or detection of loss of frames fault, or receives Multiplex Section AIS.
The checkout gear of 11. 1 kinds of detection fiber misconnection, is characterized in that, comprising:
Structure trouble unit, structural physical layer fault on the sending direction at local terminal idle channel, makes opposite end this fault be detected, and wherein, the passage without data receiver in local terminal service aisle and protection channel is described idle channel;
Judging unit; for receive at local terminal K byte fault message that opposite end sends and the port that multiplex section remote bug indicates different from receiving port that described K byte fault message and multiplex section remote bug indicate during exact connect ion time, judge described service aisle and described protection channel misconnection.
12. devices according to claim 11, is characterized in that, described judging unit specifically for:
If service aisle described in local terminal is described idle channel; and service aisle described in local terminal receives the instruction of described multiplex section remote bug and described K byte fault message; or; protection channel described in local terminal connects and does not receive the instruction of described multiplex section remote bug and described K byte fault message; then judge the transmitting terminal of service aisle described in local terminal and receiving terminal respectively with protection channel receiving terminal described in opposite end and transmitting terminal misconnection, the transmitting terminal of protection channel described in local terminal and receiving terminal respectively with service aisle receiving terminal described in opposite end and transmitting terminal misconnection.
13. devices according to claim 11, is characterized in that, described judging unit specifically for:
If service aisle described in local terminal is described idle channel, and service aisle described in local terminal receives K byte fault message, and do not receive the instruction of described multiplex section remote bug, or, protection channel described in local terminal receives the instruction of described multiplex section remote bug, and do not receive described K byte fault message, then judge the transmitting terminal misconnection of protection channel described in the receiving terminal of service aisle described in local terminal and opposite end, the transmitting terminal misconnection of service aisle described in the receiving terminal of protection channel described in local terminal and opposite end, the transmitting terminal of service aisle described in local terminal and the transmitting terminal of protection channel described in local terminal are connected with the receiving terminal of protection channel described in the receiving terminal of service aisle described in opposite end and opposite end respectively.
14. devices according to claim 11, is characterized in that, described judging unit specifically for:
If service aisle described in local terminal is described idle channel, and service aisle described in local terminal does not receive the instruction of described multiplex section remote bug and described K byte fault message, or, protection channel described in local terminal receives the instruction of described multiplex section remote bug and described K byte fault message, then judge the receiving terminal misconnection of protection channel described in the transmitting terminal of service aisle described in local terminal and opposite end, the receiving terminal misconnection of service aisle described in the transmitting terminal of protection channel described in local terminal and opposite end, the receiving terminal of service aisle described in local terminal and the receiving terminal of protection channel described in local terminal are connected with the transmitting terminal of protection channel described in the transmitting terminal of service aisle described in opposite end and opposite end respectively.
15. devices according to claim 11, is characterized in that, described judging unit specifically for:
If protection channel described in local terminal is described idle channel, and service aisle described in local terminal receives described K byte fault message, and do not receive the instruction of described multiplex section remote bug, or, protection channel described in local terminal receives the instruction of described multiplex section remote bug, and do not receive described K byte fault message, then judge the transmitting terminal of service aisle described in local terminal and receiving terminal respectively with protection channel receiving terminal described in opposite end and transmitting terminal misconnection, the transmitting terminal of protection channel described in local terminal and receiving terminal respectively with service aisle receiving terminal described in opposite end and transmitting terminal misconnection.
16. devices according to claim 11, is characterized in that, described judging unit specifically for:
If protection channel described in local terminal is described idle channel, and service aisle described in local terminal receives the instruction of described multiplex section remote bug and described K byte fault message, or, protection channel described in local terminal connects and does not receive the instruction of described multiplex section remote bug and described K byte fault message, then judge the transmitting terminal misconnection of protection channel described in the receiving terminal of service aisle described in local terminal and opposite end, the transmitting terminal misconnection of service aisle described in the receiving terminal of protection channel described in local terminal and opposite end, the transmitting terminal of service aisle described in local terminal and the transmitting terminal of protection channel described in local terminal are connected with the receiving terminal of protection channel described in the receiving terminal of service aisle described in opposite end and opposite end respectively.
17. devices according to claim 11, is characterized in that, described judging unit specifically for:
If protection channel described in local terminal is described idle channel, and service aisle described in local terminal receives the instruction of described multiplex section remote bug, and do not receive described K byte fault message, or, protection channel described in local terminal receives described K byte fault message, and do not receive the instruction of described multiplex section remote bug, then judge the receiving terminal misconnection of protection channel described in the transmitting terminal of service aisle described in local terminal and opposite end, the receiving terminal misconnection of service aisle described in the transmitting terminal of protection channel described in local terminal and opposite end, the receiving terminal of service aisle described in local terminal and the receiving terminal of protection channel described in local terminal are connected with the transmitting terminal of protection channel described in the transmitting terminal of service aisle described in opposite end and opposite end respectively.
18. devices according to claim 11, is characterized in that, described structure trouble unit comprises:
Structure dropout malfunctioning module, or structure loss of frame failure module, or send Multiplex Section AIS module.
The feedback device of 19. 1 kinds of detection fiber misconnection, is characterized in that, comprising:
Detecting unit, the physical layer fault on the sending direction detecting opposite end idle channel;
Signal transmitting unit; detecting that the passage of described physical layer fault sends the instruction of multiplex section remote bug for local terminal; simultaneously in protection channel, send K byte fault message, so that whether the receiving position of the receiving position that indicates according to described multiplex section remote bug of opposite end and described K byte fault message correctly judges service aisle and protection channel whether misconnection.
20. devices according to claim 19, is characterized in that, described detecting unit comprises:
Detection signal loses malfunctioning module, or detection of loss of frames malfunctioning module, or receives Multiplex Section AIS module.
The system of 21. 1 kinds of detection fiber misconnection, is characterized in that, comprises the checkout gear as described in claim as arbitrary in claim 11-18 and the feedback device as described in claim 19 or 20.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1747369A (en) * 2004-09-08 2006-03-15 华为技术有限公司 Error connection prevention and preventor for light-channel shared protection
CN1801768A (en) * 2004-12-31 2006-07-12 华为技术有限公司 Multiplex section shared loop protecting method
CN101001123A (en) * 2006-12-31 2007-07-18 华为技术有限公司 Inversion method and device for optical transmission
CN101626272A (en) * 2008-07-10 2010-01-13 中兴通讯股份有限公司 Method for realizing error connection prevention in optical network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1747369A (en) * 2004-09-08 2006-03-15 华为技术有限公司 Error connection prevention and preventor for light-channel shared protection
CN1801768A (en) * 2004-12-31 2006-07-12 华为技术有限公司 Multiplex section shared loop protecting method
CN101001123A (en) * 2006-12-31 2007-07-18 华为技术有限公司 Inversion method and device for optical transmission
CN101626272A (en) * 2008-07-10 2010-01-13 中兴通讯股份有限公司 Method for realizing error connection prevention in optical network

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