JPH0730511A - Repeater alarm transfer system - Google Patents

Repeater alarm transfer system

Info

Publication number
JPH0730511A
JPH0730511A JP17007793A JP17007793A JPH0730511A JP H0730511 A JPH0730511 A JP H0730511A JP 17007793 A JP17007793 A JP 17007793A JP 17007793 A JP17007793 A JP 17007793A JP H0730511 A JPH0730511 A JP H0730511A
Authority
JP
Japan
Prior art keywords
alarm
relay device
device alarm
type
transmission line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP17007793A
Other languages
Japanese (ja)
Other versions
JP2541111B2 (en
Inventor
Satoru Hatano
覚 秦野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP5170077A priority Critical patent/JP2541111B2/en
Publication of JPH0730511A publication Critical patent/JPH0730511A/en
Application granted granted Critical
Publication of JP2541111B2 publication Critical patent/JP2541111B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To avoid erroneous alarm discrimination in the transmission system in which repeaters of different kinds are in existence in mixture on a same transmission line. CONSTITUTION:A content of a through-type repeater alarm is monitored by an alarm monitor section 19 and presence/absence information of an alarm is provided as an output to a selection section 20. The selection section 20 receives the through-type repeater alarm and a D/I type repeater alarm from an overhead termination section 21, and selects the through-type repeater alarm when the alarm monitor section 19 discriminates the presence of the through- type repeater alarm and selects the D/I type repeater alarm respectively when the absence of the through-type repeater alarm is discriminated and outputs the alarm together with repeater identification information of an alarm transfer source as the repeater alarm of a transmission line. A monitor controller discriminates from which repeater the transmission line alarm is sent based on the outputted repeater alarm.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、基幹伝送システムにお
ける中継装置警報転送方式に関し、特に信号フレーム中
のオーバヘッドを使用して中継装置警報の転送を行うD
/I型中継装置と、主信号伝送路とは異なる別線を使用
して中継装置警報の転送を行うスルー型中継装置とが同
一伝送路上に混在する伝送システムにおける中継装置警
報転送方式に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a relay device alarm transfer method in a backbone transmission system, and more particularly, a relay device alarm transfer using overhead in a signal frame.
The present invention relates to a relay device alarm transfer method in a transmission system in which an / I type relay device and a through type relay device that transfers a relay device alarm by using a different line from the main signal transmission line are mixed on the same transmission line.

【0002】[0002]

【従来の技術】伝送路上に中継装置を設置する有中継伝
送路構成をとる伝送システム場合、設置された中継装置
が主信号の中継のみを行い、中継装置警報は主信号伝送
路とは別線で端局装置に転送するスルー型中継装置で構
成される場合と、中継装置にて主信号の中継のみでな
く、主信号フレーム中のオーバヘッドの終端挿入を行
い、中継装置警報をオーバヘッドに挿入して端局に転送
するD/I型中継装置とで構成される場合とがある。こ
のような伝送システムにおける中継装置警報転送方式と
しては、例えば、特開昭60−81943号公報、特開
昭61−92066号公報、特開平1−298839号
公報などに示されている。
2. Description of the Related Art In a transmission system having a relay transmission line configuration in which a relay device is installed on a transmission line, the installed relay device only relays a main signal, and a relay device alarm is provided separately from the main signal transmission line. In the case of a through-type relay device that transfers to the terminal equipment with, and in the relay device, not only the relay of the main signal but also the termination of the overhead in the main signal frame is inserted and the relay device alarm is inserted in the overhead. It may be configured with a D / I type relay device that transfers the data to a terminal station. The relay device alarm transfer method in such a transmission system is disclosed in, for example, JP-A-60-81943, JP-A-61-92066, and JP-A-1-298839.

【0003】伝送路中の中継装置がスルー型中継装置で
ある場合の中継装置警報転送方式の一例を図3を参照し
て説明する。端局装置1Aおよび1B間に設けられた複
数の中継局2(2a、2b、…2n)には、スルー型中
継装置3(3a、3b、…3n)および警報転送装置4
(4a、4b、…4n)がそれぞれ設けられている。各
警報転送装置4は、各中継装置3で検出した伝送路警報
を中継装置警報として主信号伝送路とは別線で端局装置
1Bに転送している。端局装置1Bの警報受信装置5
は、収集した中継装置警報を端局装置1Bの中継装置警
報出力部6から出力する。
An example of a relay device alarm transfer system in the case where the relay device in the transmission path is a through type relay device will be described with reference to FIG. The relay stations 2 (2a, 2b, ... 2n) provided between the terminal station devices 1A and 1B include a through relay device 3 (3a, 3b, ... 3n) and an alarm transfer device 4.
(4a, 4b, ... 4n) are provided respectively. Each alarm transfer device 4 transfers the transmission line alarm detected by each relay device 3 as a relay device alarm to the terminal station device 1B on a separate line from the main signal transmission line. The alarm receiving device 5 of the terminal device 1B
Outputs the collected relay device alarm from the relay device alarm output unit 6 of the terminal device 1B.

【0004】また、伝送路中の中継装置がD/I型中継
装置である場合の中継装置警報転送方式としては、例え
ば特開昭3−19439号公報に示されているように、
SDHフレーム中のセクションオーバヘッドを使用して
中継警報を転送する方式が実用化されている。なお、オ
ーバーヘッドを使用する警報転送方式では、伝送路下流
側の中継装置で伝送路警報を検出している場合には、上
流側の中継装置警報が正しく転送できないため、D/I
型中継装置での警報転送は伝送路の下流側の警報を優先
的に転送するようになっている。
Further, as a relay device alarm transfer method in the case where the relay device in the transmission line is a D / I type relay device, as disclosed in, for example, Japanese Patent Laid-Open No. 19439/1991,
A method of transferring a relay alarm using a section overhead in an SDH frame has been put into practical use. In the alarm transfer method using the overhead, if the relay device on the downstream side of the transmission line detects the transmission line alarm, the alarm on the upstream side relay device cannot be correctly transmitted, so that the D / I
The alarm transfer in the type relay device is designed to preferentially transfer the alarm on the downstream side of the transmission path.

【0005】[0005]

【発明が解決しようとする課題】中継装置としては、ス
ルー型中継装置の方がD/I型中継装置に比べて信号処
理が簡単であることから、必要に応じてシステムの経済
化のためD/I型中継装置により構成されている伝送路
上にスルー型中継装置が混在するような構成をとること
がある。このような場合、D/I型中継装置の警報転送
方式のみで警報転送を行うと、スルー型中継装置で検出
された中継装置警報が転送できない。また、スルー型中
継装置では伝送路フレームの再生は行っていないため下
流にあるD/I型中継装置でもスルー型中継装置で検出
されたのと同じ伝送路警報が検出されることからD/I
型中継装置警報として端局装置に転送されてしまい、端
局での警報判定を誤ってしまうという問題がある。
As a relay device, a through type relay device is easier to perform signal processing than a D / I type relay device, and therefore, in order to make the system economical, D There is a case where a through type relay device is mixed on the transmission path configured by the / I type relay device. In such a case, if the alarm transfer is performed only by the alarm transfer method of the D / I type relay device, the relay device alarm detected by the through type relay device cannot be transferred. In addition, since the transmission line frame is not reproduced in the through type relay device, the same transmission line alarm as that detected in the through type relay device is also detected in the downstream D / I type relay device.
There is a problem that the alarm is transferred to the terminal device as a type relay device alarm, and the alarm determination at the terminal station is erroneous.

【0006】また、スルー型中継装置設置局に警報転送
装置を設置し、スルー型中継装置の警報も転送できるよ
うにする場合には、端局ではオーバヘッドから分離した
D/I型中継装置の中継装置警報と、主信号伝送路とは
別線で転送され警報受信装置で受信したスルー型中継装
置の中継装置警報の両方を出力し、両警報を端局の監視
制御装置等で収集し、伝送路構成を認識した上で警報の
判定を行うことが必要になり、監視制御装置等での警報
判定処理が複雑になるという問題点がある。
Further, when an alarm transfer device is installed in the through type relay device installation station so that the alarm of the through type relay device can also be transferred, the terminal station relays the D / I type relay device separated from the overhead. Outputs both the device alarm and the relay device alarm of the through type relay device which is transferred by a separate line from the main signal transmission line and received by the alarm receiving device, and both alarms are collected and transmitted by the supervisory control device of the terminal station. There is a problem in that it is necessary to determine the alarm after recognizing the road structure, which complicates the alarm determination process in the monitoring control device or the like.

【0007】したがって、本発明の目的は、D/I型中
継装置とスルー型中継装置とが同一伝送路上に混在する
伝送システムにおいて警報判定を誤ることがない中継装
置警報転送方式を提供することである。
Therefore, an object of the present invention is to provide a relay device alarm transfer system in which a warning determination is not made in error in a transmission system in which a D / I type relay device and a through type relay device are mixed on the same transmission path. is there.

【0008】[0008]

【課題を解決するための手段】本発明の中継装置警報転
送方式は、信号フレーム中のオーバヘッドを使用して第
一の中継装置警報の転送を行う第一の中継装置と、主信
号伝送路とは異なる別線を使用して第二の中継装置警報
の転送を行う第二の中継装置とが、第一および第二の端
局装置間の同一伝送路上に混在する伝送システムにおけ
る中継装置警報転送方式において、前記第二の中継装置
は、伝送路警報を検出したときに第二の中継装置警報と
して下流装置に送出する警報転送手段を有し、前記第二
の端局装置は、受信した伝送信号のオーバヘッドから前
記第一の中継装置警報を分離し、分離された前記第一の
中継装置警報と、主信号伝送路とは別線で送られてきた
前記第二の中継装置警報とを比較し、前記第二の中継装
置警報受信時には前記第二の中継装置警報を、前記第二
の中継装置警報がない場合には前記第一の中継装置警報
を中継装置警報として出力することを特徴とする中継装
置警報転送方式。
SUMMARY OF THE INVENTION A relay device alarm transfer system according to the present invention comprises a first relay device for transferring a first relay device alarm using overhead in a signal frame, and a main signal transmission line. Is a relay device alarm transfer in a transmission system in which a second relay device that transfers a second relay device alarm using a different separate line coexists on the same transmission path between the first and second terminal devices In the method, the second relay device has alarm transfer means for sending to the downstream device as a second relay device alarm when a transmission line alarm is detected, and the second terminal device is configured to receive the received transmission. Separating the first repeater alarm from signal overhead, and comparing the separated first repeater alarm with the second repeater alarm sent on a separate line from the main signal transmission line. However, when the second relay device alarm is received Serial second relay device alarm relay device alarm transfer method in the absence the second relay device alarm, characterized in that the output of the first relay device alarm as the relay device alarm.

【0009】[0009]

【実施例】次に、本発明の一実施例を示した図面を参照
して説明する。
An embodiment of the present invention will now be described with reference to the drawings.

【0010】図1は本発明の一実施例による中継装置警
報転送方式を使用した伝送システムのブロック図であ
る。端局装置11Aと端局装置11Bとの間の伝送路中
に、D/I型中継装置12(12a〜12n)が設置さ
れた中継局13(13a〜13n)と、スルー型中継装
置14(14a〜14m)および警報転送装置15(1
5a〜15m)が設置された中継局16(16a〜16
m)とが混在している。
FIG. 1 is a block diagram of a transmission system using a relay device alarm transfer method according to an embodiment of the present invention. A relay station 13 (13a to 13n) in which a D / I type relay device 12 (12a to 12n) is installed in a transmission path between the terminal station device 11A and the terminal station device 11B, and a through type relay device 14 ( 14a to 14m) and the alarm transfer device 15 (1
5a to 15m) installed in the relay station 16 (16a to 16m)
and m) are mixed.

【0011】D/I型中継装置12で中継装置警報を検
出したときには、警報検出したD/I型中継装置12で
主信号中のオーバヘッドに中継装置警報をどの中継装置
かを示す中継装置識別情報とともに挿入して下流伝送路
へ転送する。
When the D / I type relay device 12 detects a relay device alarm, the D / I type relay device 12 that has detected the alarm has relay device identification information indicating the relay device alarm in the overhead in the main signal. It is inserted together and transferred to the downstream transmission line.

【0012】また、スルー型中継装置14にて中継装置
警報を検出したときには、スルー型中継設置局16に設
置されている警報転送装置15から中継装置識別情報と
ともに下流の局に転送する。端局装置11Bでは、警報
転送装置15から転送されてきたスルー型中継装置14
の中継装置警報を警報受信部17にて受信し、転送され
てきた内容を端局装置11Bの中継装置警報出力部18
に送出する。
When the through-type relay device 14 detects a relay device alarm, the alarm transfer device 15 installed in the through-type relay installation station 16 transfers the relay device identification information to the downstream station. In the terminal device 11B, the through type relay device 14 transferred from the alarm transfer device 15 is used.
The relay device alarm output unit 18 of the terminal device 11B receives the relay device alarm of
Send to.

【0013】図2は端局装置11Bの中継装置警報出力
部18の詳細ブロック図である。中継装置警報出力部1
8では、警報受信装置17で受信したスルー型中継装置
警報の内容をスルー型中継装置警報監視部19にて監視
し、警報の有無情報を選択部20に出力する。一方、オ
ーバヘッド終端部21は、主信号伝送路から受信した主
信号のオーバヘッド終端を行ってD/I型中継装置警報
を分離する。選択部20では、警報受信装置17からの
スルー型中継装置警報と、オーバヘッド終端部21から
のD/I型中継装置警報とを入力し、スルー型中継装置
警報監視部19にてスルー型中継装置警報有りと判定さ
れた場合にはスルー型中継装置警報を、スルー型中継装
置警報無しと判定された場合にはD/I型中継装置警報
をそれぞれ選択し、伝送路の中継装置警報として警報転
送元の中継装置識別情報とともに端局装置11Bから出
力する。端局装置11Bの監視制御装置等では、端局装
置11Bから出力された中継装置警報により、どの中継
装置で伝送路警報が発出しているか判定を行う。
FIG. 2 is a detailed block diagram of the relay device alarm output section 18 of the terminal device 11B. Relay device alarm output unit 1
In 8, the content of the through type relay device alarm received by the alarm receiving device 17 is monitored by the through type relay device alarm monitoring unit 19, and the presence / absence information of the alarm is output to the selecting unit 20. On the other hand, the overhead termination unit 21 performs overhead termination of the main signal received from the main signal transmission line to separate the D / I type relay device alarm. In the selection unit 20, the through type relay device alarm from the alarm receiving device 17 and the D / I type relay device alarm from the overhead termination unit 21 are input, and the through type relay device alarm monitoring unit 19 inputs the through type relay device. If it is determined that there is an alarm, a through type relay device alarm is selected, and if it is determined that there is no through type relay device alarm, the D / I type relay device alarm is selected, and the alarm is transferred as a relay device alarm of the transmission path. It is output from the terminal device 11B together with the original relay device identification information. The supervisory control device of the terminal device 11B determines which relay device has issued the transmission line alarm based on the relay device alarm output from the terminal device 11B.

【0014】[0014]

【発明の効果】以上説明したように、本発明において
は、スルー型中継装置警報受信の有無により、スルー型
中継装置警報有りの場合スルー型中継装置警報を、スル
ー型中継装置警報無しの場合D/I型中継装置警報をそ
れぞれ選択して伝送路の中継装置警報として出力する手
段を設けている。これにより、同一伝送路上にD/I型
中継装置とスルー型中継装置とが混在する構成をとる伝
送システムにおいて、伝送路上の中継装置の混在の有無
を認識する必要がなく、端局装置から出力された一種類
の中継警報のみを監視するだけで正確な中継装置警報の
判定を行うことができ、監視制御装置等の警報判定の処
理が簡単になるという効果がある。
As described above, according to the present invention, depending on whether or not the through type relay device alarm is received, the through type relay device alarm is issued when the through type relay device alarm is present, and is set to D when the through type relay device alarm is not issued. A means is provided for selecting each / I type relay device alarm and outputting it as a relay device alarm for the transmission path. As a result, in a transmission system having a configuration in which D / I type relay devices and through type relay devices coexist on the same transmission line, it is not necessary to recognize whether or not the relay devices on the transmission line coexist, and output from the terminal station device. It is possible to accurately determine the relay device alarm by only monitoring the one type of relay alarm that has been performed, and there is an effect that the alarm determination process of the monitoring control device and the like becomes simple.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例による中継装置警報転送方式
を使用した伝送システムのブロック図である。
FIG. 1 is a block diagram of a transmission system using a relay device alarm transfer method according to an embodiment of the present invention.

【図2】図1に示した伝送システムにおける端局装置1
1Bの中継装置警報出力部18の詳細ブロック図であ
る。
FIG. 2 is a terminal device 1 in the transmission system shown in FIG.
It is a detailed block diagram of the relay device alarm output unit 18 of 1B.

【図3】伝送路中の中継装置がスルー型中継装置である
場合の従来の中継装置警報転送方式のブロック図であ
る。
FIG. 3 is a block diagram of a conventional relay device alarm transfer method when a relay device in a transmission path is a through relay device.

【符号の説明】[Explanation of symbols]

1(1A,1B) 端局装置 2(2a、2b…2n) 中継局 3(3a、3b…3n) スルー型中継装置 4(4a、4b…4n) 警報転送装置 5 警報受信装置 6 中継装置警報出力部 11(11A,11B) 端局装置 12(12a〜12n) D/I型中継装置 13(13a〜13n) 中継局 14(14a〜14m) スルー型中継装置 15(15a〜15m) 警報転送装置 16(16a〜16m) 中継局 17 警報受信装置 18 中継装置警報出力部 19 スルー型中継装置警報監視部 20 選択部 21 オーバヘッド終端部 1 (1A, 1B) Terminal device 2 (2a, 2b ... 2n) Relay station 3 (3a, 3b ... 3n) Through type relay device 4 (4a, 4b ... 4n) Alarm transfer device 5 Alarm receiving device 6 Relay device alarm Output unit 11 (11A, 11B) Terminal station device 12 (12a to 12n) D / I type relay device 13 (13a to 13n) Relay station 14 (14a to 14m) Through type relay device 15 (15a to 15m) Alarm transfer device 16 (16a to 16m) Relay station 17 Alarm receiver 18 Relay device alarm output unit 19 Through type relay device alarm monitoring unit 20 Selection unit 21 Overhead termination unit

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 信号フレーム中のオーバヘッドを使用し
て第一の中継装置警報の転送を行う第一の中継装置と、
主信号伝送路とは異なる別線を使用して第二の中継装置
警報の転送を行う第二の中継装置とが、第一および第二
の端局装置間の同一伝送路上に混在する伝送システムに
おける中継装置警報転送方式において、 前記第二の中継装置は、伝送路警報を検出したときに第
二の中継装置警報として下流装置に送出する警報転送手
段を有し、 前記第二の端局装置は、受信した伝送信号のオーバヘッ
ドから前記第一の中継装置警報を分離し、分離された前
記第一の中継装置警報と、主信号伝送路とは別線で送ら
れてきた前記第二の中継装置警報とを比較し、前記第二
の中継装置警報受信時には前記第二の中継装置警報を、
前記第二の中継装置警報がない場合には前記第一の中継
装置警報を中継装置警報として出力することを特徴とす
る中継装置警報転送方式。
1. A first relay device for forwarding a first relay alarm using overhead in a signal frame,
A transmission system in which a second relay device that transfers a second relay device alarm using a separate line different from the main signal transmission line coexists on the same transmission line between the first and second terminal station devices In the relay device alarm transfer method according to the above, the second relay device has an alarm transfer unit that sends out to a downstream device as a second relay device alarm when a transmission line alarm is detected, and the second terminal device Separates the first relay device alarm from the overhead of the received transmission signal, and separates the separated first relay device alarm from the second relay transmitted from the main signal transmission line. Device alarm, when the second relay device alarm is received, the second relay device alarm,
A relay device alarm transfer method, wherein the first relay device alarm is output as a relay device alarm when there is no second relay device alarm.
【請求項2】 前記第二の端局装置は、前記第二の中継
装置警報受信の有無を監視する監視部と、前記監視部の
監視結果により前記第二の中継装置警報受信時には前記
第二の中継装置警報を、前記第二の中継装置警報がない
ときには前記第一の中継装置警報を選択する選択部とを
有することを特徴とする請求項1記載の中継装置警報転
送方式。
2. The second terminal device is configured to monitor the presence or absence of reception of the second relay device alarm, and the second relay device device receives the second relay device alarm when the second relay device alarm is received according to a monitoring result of the monitoring unit. 2. The relay device alarm transfer system according to claim 1, further comprising: a relay device alarm of 1), and a selection unit that selects the first relay device alarm when there is no second relay device alarm.
JP5170077A 1993-07-09 1993-07-09 Relay device alarm transfer method Expired - Lifetime JP2541111B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5170077A JP2541111B2 (en) 1993-07-09 1993-07-09 Relay device alarm transfer method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5170077A JP2541111B2 (en) 1993-07-09 1993-07-09 Relay device alarm transfer method

Publications (2)

Publication Number Publication Date
JPH0730511A true JPH0730511A (en) 1995-01-31
JP2541111B2 JP2541111B2 (en) 1996-10-09

Family

ID=15898219

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP2541111B2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58184835A (en) * 1982-04-21 1983-10-28 Fujitsu Ltd Monitoring system of communication system
JPH057193A (en) * 1991-02-19 1993-01-14 Nec Corp Alarm transfer system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58184835A (en) * 1982-04-21 1983-10-28 Fujitsu Ltd Monitoring system of communication system
JPH057193A (en) * 1991-02-19 1993-01-14 Nec Corp Alarm transfer system

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