JPH01198139A - System for monitoring and controlling loop type transmission equipment - Google Patents
System for monitoring and controlling loop type transmission equipmentInfo
- Publication number
- JPH01198139A JPH01198139A JP63022102A JP2210288A JPH01198139A JP H01198139 A JPH01198139 A JP H01198139A JP 63022102 A JP63022102 A JP 63022102A JP 2210288 A JP2210288 A JP 2210288A JP H01198139 A JPH01198139 A JP H01198139A
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- Prior art keywords
- transmission line
- transmission
- monitoring
- station
- working
- Prior art date
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Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 119
- 238000012544 monitoring process Methods 0.000 title claims description 40
- 238000000034 method Methods 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000007796 conventional method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は現用伝送路と予備伝送路とを有するループ型伝
送装置の監視・制御方法に関し、特に、現用側の監視・
制御情報を予備側で伝送し、予備側のそれを現用側で伝
送する方法に関するものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for monitoring and controlling a loop type transmission device having a working transmission line and a backup transmission line, and in particular, a method for monitoring and controlling a loop type transmission device having a working transmission line and a backup transmission line.
This invention relates to a method of transmitting control information on a protection side and transmitting control information on the protection side to a working side.
一般的ループ型伝送装置の構成を第２図および第５図を
用いて説明する。第２図は伝送装置を示し、第５図は複
数の伝送装置から成るループ型伝送装置を示す。第２図
において、１は親局である伝送装置２に接続された監視
・制御装置、３〜５は子局である伝送装置、６は現用側
伝送路、７は予備側伝送路である。また第５図において
、８は現用側伝送路６への送信回路、９は現用側伝送路
６からの受信回路、１０は予備側伝送路７からの受信回
路、１１は予備側伝送路７への送信回路、１２は現用側
伝送路６の監視・制御回路、１３は予備側伝送路７の監
視・制御回路、１４は切替回路、１５は制御データの流
れを示すデータ状態線、１６は監視データの流れを示す
データ状態線、１７は監視状態データの流れを示すデー
タ状態線である。第２図に示すように、複数の伝送装置
２〜５の中の１つを親局２とし、その他の局を子局３〜
５とする。そして、親局２には、すべての局の状態を示
し且つ制御をかける監視・制御装置１が接続されている
。また、現用側伝送路６と予備側伝送路７の信号の流れ
は互いに相反する方向となっている。The configuration of a general loop type transmission device will be explained using FIGS. 2 and 5. FIG. 2 shows a transmission device, and FIG. 5 shows a loop type transmission device consisting of a plurality of transmission devices. In FIG. 2, 1 is a monitoring/control device connected to a transmission device 2 which is a master station, 3 to 5 are transmission devices which are slave stations, 6 is a working transmission line, and 7 is a protection transmission line. In FIG. 5, 8 is a transmitting circuit to the working transmission line 6, 9 is a receiving circuit from the working transmission line 6, 10 is a receiving circuit from the protection transmission line 7, and 11 is to the protection transmission line 7. 12 is a monitoring/control circuit for the working transmission line 6, 13 is a monitoring/control circuit for the protection transmission line 7, 14 is a switching circuit, 15 is a data status line indicating the flow of control data, and 16 is a monitoring circuit. A data status line 17 indicates the flow of data, and a data status line 17 indicates the flow of monitoring status data. As shown in FIG. 2, one of the plurality of transmission devices 2 to 5 is the master station 2, and the other stations are the slave stations 3 to 5.
5. A monitoring/control device 1 is connected to the master station 2, which indicates the status of all stations and controls them. Furthermore, the signal flows in the working transmission line 6 and the protection transmission line 7 are in opposite directions.
次に、第４図を用いて従来の監視・制御方法について説
明する。仮に、現用側伝送路６のうち子局３と４との間
（子局３の送信回路８と子局４の受信回路９も含む）が
断となった場合、子局４では信号の断を受信回路１０で
検出し、その情報を監視・制御回路１２．１３を介して
切替回路１４を駆動し、子局４を第４図に示すようにル
ープバック状態とする。これに従い子局３もループバッ
ク状態となり、通話路は復旧したことになる。Next, a conventional monitoring/control method will be explained using FIG. 4. If there is a disconnection between the slave stations 3 and 4 (including the transmitting circuit 8 of the slave station 3 and the receiving circuit 9 of the slave station 4) in the working transmission line 6, the signal will be disconnected at the slave station 4. is detected by the receiving circuit 10, and the information is used to drive the switching circuit 14 via the monitoring/control circuits 12 and 13, thereby placing the slave station 4 in a loopback state as shown in FIG. Accordingly, the slave station 3 also enters the loopback state, and the communication path is restored.
回線障□害が発生した場合、以下の４つの項目が特に重
要と思われる。When a line failure occurs, the following four items are considered to be particularly important.
０回線の救済をする。Relieve 0 lines.
■障害個所を短時間に確定する。■Identify the location of the failure in a short time.
■障害個所の早期修復および個別テストを行なう。■Prompt repair of faulty parts and individual tests.
■ループ型伝送路としての総合テストを行なう。■Perform a comprehensive test as a loop type transmission line.
上述した従来のループ型伝送装置における監視・制御方
法は、伝送路障害が発生するとループバック状態となっ
てしまうため、障害個所（送信−路、伝送路、受信回路
）の早ｆｆ、＋１確定および障害個所の修復後のループ
型伝送路としての総合テストが不可能という欠点があっ
た。The above-mentioned conventional monitoring and control method for loop-type transmission equipment results in a loopback state when a transmission path failure occurs, so the fault location (transmission path, transmission path, reception circuit) is quickly turned off, +1 determined, The drawback was that it was impossible to perform a comprehensive test of the loop-type transmission line after repairing the faulty part.
このような欠点を除去するために本発明によるループ型
伝送装置の監視・制御方法は、現用側に故障が発生した
場合には現用側の伝送路および伝送装置の状態情報を予
備側の伝送路および伝送装置を使用して監視・制御装置
へ送出し、予備側に故障が発生した場合には予備側の伝
送路および伝送装置の状態情報を現用側の伝送路および
伝送装置を使用して監視・制御装置へ送出し、監視・制
御装置にて判断するようにしたものである。In order to eliminate such drawbacks, the method for monitoring and controlling loop-type transmission equipment according to the present invention is such that when a failure occurs on the working side, status information of the working side transmission line and transmission equipment is transferred to the protection side transmission line. and transmission equipment to the monitoring and control equipment, and if a failure occurs on the backup side, the status information of the transmission line and transmission equipment on the backup side is monitored using the transmission line and transmission equipment on the active side.・It is sent to the control device and judged by the monitoring/control device.
本発明によるループ型伝送装置の監視・制御方法におい
ては、故障が発生してから一定時間後に現用予備切替を
行なうことができる。In the method for monitoring and controlling a loop-type transmission device according to the present invention, it is possible to switch over to the current use and standby after a certain period of time after a failure occurs.
次に、本発明に係わるループ型伝送装置の監視・制御方
法の一実施例を説明する。第１図は本発明に係わるルー
プ型伝送装置の監視・制御方法の一実施例を説明するた
めの伝送装置を示す系統図である。第１図において第５
図と同一部分又は相当部分には同一符号が付しである。Next, an embodiment of a method for monitoring and controlling a loop type transmission device according to the present invention will be described. FIG. 1 is a system diagram showing a transmission device for explaining an embodiment of a method for monitoring and controlling a loop type transmission device according to the present invention. 5 in Figure 1
Identical or equivalent parts to those in the figures are given the same reference numerals.
第２図は一般的ループ型伝送装置を示す系統図で、親局
２には、すべての局の状態を示し且つ制御をかける監視
・制御装置１が接続されている。また、現用側伝送路６
と予備側伝送路７の信号の流れは互いに相反する方向と
なっている。FIG. 2 is a system diagram showing a general loop type transmission device, in which a master station 2 is connected to a monitoring/control device 1 that indicates and controls the status of all stations. In addition, the working side transmission line 6
The signal flows on the protection side transmission line 7 and the standby side transmission line 7 are in opposite directions.
次に、第１図、第３図を用いて本方法について説明する
。いま仮に現用側伝送路６のうち子局３と４の間が断と
なった場合、子局４では信号の断を受信回路１０で検出
し、その情報を送信回路８と監視・制御回路１３を介し
て親局２に接続されている監視・制御装置１へ送る。そ
の結果、現用側伝送路６と予備側伝送路７の切替情報を
予備側伝送路７を使用して、親局２−子局５→子局°４
→子局３というように送出し、一定時間後、各局め切替
回路１４を使用して現用側伝送路６と予備側伝送路７の
切替を行なう。Next, this method will be explained using FIGS. 1 and 3. If there is a disconnection between the slave stations 3 and 4 in the active transmission line 6, the slave station 4 detects the signal disconnection in the receiving circuit 10, and transmits this information to the transmitting circuit 8 and the monitoring/control circuit 13. The data is sent to the monitoring/control device 1 connected to the master station 2 via the host station 2. As a result, switching information between the working transmission line 6 and the protection transmission line 7 is transferred from the master station 2 to the slave station 5 to the slave station °4 using the protection transmission route 7.
→Slave station 3, and after a certain period of time, each station switching circuit 14 is used to switch between the working transmission line 6 and the backup transmission line 7.
なお、上記実施例では、現用側の伝送路および伝送装置
の状態情報を予備側の伝送路および伝送装置を使用して
監視・制御装置１へ送出し、監視・制御装置１で判断し
、各局の切替回路を制御する場合について説明したが、
逆の場合も同様の動作となる。すなわち、予備側の伝送
路および伝送装置の状態情報を現用側の伝送路および伝
送装置を使用して監視・制御装置ｌへ送出し、監視・１
１１御装置１で判断し、各局の切替回路を制御する。In the above embodiment, the status information of the transmission line and transmission device on the active side is sent to the monitoring and control device 1 using the transmission line and transmission device on the protection side, the monitoring and control device 1 makes a judgment, and the status information is sent to each station. We explained the case of controlling the switching circuit of
The same operation occurs in the opposite case. In other words, the status information of the transmission line and transmission equipment on the protection side is sent to the monitoring and control equipment l using the transmission line and transmission equipment on the working side, and
11 control device 1 makes a judgment and controls the switching circuit of each station.
このようにして、故障発生の場合、現用側から予備側へ
、または予備側から現用側へと切り替える２ ことが
できる。そして、現用・予備切替えを行なった後、障害
区間のテストを行なうことにより、短時間に障害個所を
確定することが可能となり、また障害個所の修復後のル
ープ型伝送路としての総合テストも可能となる。In this way, in the event of a failure, it is possible to switch from the active side to the standby side or from the standby side to the active side. By testing the faulty section after switching between working and backup, it is possible to determine the fault location in a short time, and it is also possible to perform a comprehensive test of the loop-type transmission line after repairing the faulty location. becomes.
以上説明したように本発明によるループ型伝送装置の監
視・制御方法は、現用側に故障が発生し−た場合には現
用側の伝送路および伝送装置の状態情報を予備側の伝送
路および伝送装置を使用して監視・制御装置へ送出し、
予備側に故障が発生した場合には予備側の伝送路および
伝送装置の状態情報を現用側の伝送路および伝送装置を
使用して監視・制御装置へ送出し、監視・制御装置にて
判断するようにしたことにより、−斉に切替情報を予備
側伝送路又は現用側伝送路を使用して各局へ送出し、一
定時間後に現用から予備又は予備から現用への切替えを
行なうことができる効果がある。As explained above, in the method for monitoring and controlling loop-type transmission equipment according to the present invention, when a failure occurs on the active side, the status information of the active side transmission line and transmission equipment is transferred to the backup side transmission line and the transmission equipment. using the device to send it to the monitoring and control device,
If a failure occurs on the standby side, the status information of the standby side transmission line and transmission equipment is sent to the monitoring and control equipment using the working side transmission line and transmission equipment, and the monitoring and control equipment makes a decision. By doing so, it is possible to simultaneously send switching information to each station using the protection side transmission line or the working side transmission line, and to switch from working to standby or from standby to working after a certain period of time. be.
このような切替えを行なうことにより、障害区間のテス
トを行なえば短時間に障害個所を確定でき、また障害個
所修復後のループ型伝送路としての総合テストもできる
効果がある。By performing such switching, it is possible to determine the location of the fault in a short time by testing the faulty section, and it is also possible to carry out a comprehensive test of the loop transmission line after the fault has been repaired.
第１図は本発明に係わるループ型伝送装置の監視・制御
方法の一実施例を説明するための伝送装置を示す系統図
、第２図は一般的ループ型伝送装置を示す系統図、第３
図は本発明に係わるループ型伝送装置の監視・制御方法
の一実施例を説明するためのループ型伝送装置を示す系
統図、第４図は従来のループ型伝送装置の監視・制御方
法を説明するためのループ型伝送装置を示す系統図、第
５図は従来のループ型伝送装置の監視・制御方法を説明
するための伝送装置を示す系統図である。
１・・・監視・制御装置、２・・・親局、３〜５・・・
子局、６・・・現用側伝送路、７・・・予備側伝送路、
８．１１・・・送信回路、９．１０・・・受信回路、１
２．１３・・・監視・制御回路、１４・・・切替回路、
１５〜１７・・・データ状態線。
特許出願人 日本電気株式会社FIG. 1 is a system diagram showing a transmission device for explaining an embodiment of the method for monitoring and controlling a loop-type transmission device according to the present invention, FIG. 2 is a system diagram showing a general loop-type transmission device, and FIG. 3 is a system diagram showing a general loop-type transmission device.
The figure is a system diagram showing a loop type transmission device for explaining an embodiment of the method for monitoring and controlling a loop type transmission device according to the present invention, and Fig. 4 is a system diagram showing a conventional method for monitoring and controlling a loop type transmission device. FIG. 5 is a system diagram showing a loop type transmission device for explaining a conventional method of monitoring and controlling a loop type transmission device. 1... Monitoring/control device, 2... Master station, 3-5...
Slave station, 6... Working side transmission line, 7... Protection side transmission line,
8.11... Transmission circuit, 9.10... Receiving circuit, 1
2.13... Monitoring/control circuit, 14... Switching circuit,
15-17...Data status line. Patent applicant: NEC Corporation
Claims (1)
路と１個の切替回路とから成り２本の伝送路が接続され
た伝送装置を複数有し、前記複数の伝送装置の中の１つ
を親局、その他を子局とし、前記２本の伝送路の一方を
現用側伝送路、他方を予備側伝送路とし、前記現用側と
予備側の伝送路における信号の流れを互いに相反する方
向とし、前記伝送路および伝送装置全体の状態を監視・
制御する監視・制御装置を前記親局に接続したループ型
伝送装置において、前記現用側に故障が発生した場合に
は前記現用側の伝送路および伝送装置の状態情報を前記
予備側の伝送路および伝送装置を使用して前記監視・制
御装置へ送出し、前記予備側に故障が発生した場合には
前記予備側の伝送路および伝送装置の状態情報を前記現
用側の伝送路および伝送装置を使用して前記監視・制御
装置へ送出し、前記監視・制御装置にて判断することを
特徴とするループ型伝送装置の監視・制御方法。It has a plurality of transmission devices each consisting of two transmitting circuits, two receiving circuits, two monitoring/control circuits, and one switching circuit, each of which is connected to two transmission lines, and each of the plurality of transmission devices One of them is designated as a master station, the other as a slave station, one of the two transmission lines is designated as a working side transmission line, and the other is designated as a protection side transmission line, and the signal flow in the working side and protection side transmission lines is controlled. The directions are opposite to each other, and the status of the transmission path and the entire transmission device is monitored and
In a loop type transmission device in which a monitoring/control device to be controlled is connected to the master station, if a failure occurs on the working side, the status information of the working side transmission path and the transmission device is transferred to the backup side transmission path and A transmission device is used to send the status information to the monitoring/control device, and when a failure occurs on the backup side, the status information of the backup side transmission path and transmission device is sent to the active side transmission path and transmission device. A method for monitoring and controlling a loop-type transmission device, characterized in that the information is sent to the monitoring and controlling device, and the monitoring and controlling device makes a decision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63022102A JPH01198139A (en) | 1988-02-03 | 1988-02-03 | System for monitoring and controlling loop type transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63022102A JPH01198139A (en) | 1988-02-03 | 1988-02-03 | System for monitoring and controlling loop type transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01198139A true JPH01198139A (en) | 1989-08-09 |
Family
ID=12073523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63022102A Pending JPH01198139A (en) | 1988-02-03 | 1988-02-03 | System for monitoring and controlling loop type transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01198139A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04216104A (en) * | 1990-12-14 | 1992-08-06 | Omron Corp | Remote i/o system for programmable controller |
-
1988
- 1988-02-03 JP JP63022102A patent/JPH01198139A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04216104A (en) * | 1990-12-14 | 1992-08-06 | Omron Corp | Remote i/o system for programmable controller |
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