JPS63290031A - Monitor system for light intermediate repeating device - Google Patents
Monitor system for light intermediate repeating deviceInfo
- Publication number
- JPS63290031A JPS63290031A JP62124011A JP12401187A JPS63290031A JP S63290031 A JPS63290031 A JP S63290031A JP 62124011 A JP62124011 A JP 62124011A JP 12401187 A JP12401187 A JP 12401187A JP S63290031 A JPS63290031 A JP S63290031A
- Authority
- JP
- Japan
- Prior art keywords
- transmission line
- optical
- error rate
- circuit
- repeating device
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 230000003287 optical effect Effects 0.000 claims description 63
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は光中間中継装置における受信信号の符号誤り率
を光端局中継装置囲へ転送するシステムに係り、特に複
数の伝送路で構成されるシステムの内の一つつ伝送路を
用いて他の伝送路を監視する光中ｉ１中継装置における
監視方式に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a system for transferring the bit error rate of a received signal in an optical intermediate repeater to an optical terminal repeater, and particularly relates to a system that is composed of a plurality of transmission lines. The present invention relates to a monitoring system in an optical i1 repeater that uses one transmission line in a system that monitors another transmission line.
従来、この種の監視システムにおいて、各光中間中継装
置では、受信信号の同期をとり、受信信号のパリティを
チェックしたシ符号則誤りを検出することにより、符号
誤り率を計数して補助信号にその情報を入力して光端局
中継ｔｌｌｔＲに転送している。Conventionally, in this type of monitoring system, each optical intermediate repeater synchronizes the received signal, checks the parity of the received signal, detects code rule errors, counts the code error rate, and converts the code into an auxiliary signal. The information is input and transferred to the optical terminal relay tlltR.
上述した従来の監視システムでは、光中間中継装置にお
いて、一つの伝送路に対して必ず一組の同期回路と符号
誤＃）４の計数回路を必要としているので、システム構
成が大規模化するという問題点があった。また、一方向
または双方向に複数の伝送路が構成されるようなシステ
ムにおいても各光中間中継装置の符号誤り率を光端局中
継装置で監視するための装置規模は簡略化できないとい
う問題点があった。In the conventional monitoring system described above, the optical intermediate repeater always requires one set of synchronizing circuits and a counting circuit for code error #)4 for one transmission path, resulting in a large-scale system configuration. There was a problem. In addition, even in systems where multiple transmission lines are configured in one direction or in both directions, there is a problem that the scale of the equipment for monitoring the bit error rate of each optical intermediate repeater by the optical terminal repeater cannot be simplified. was there.
本発明の光中間中継装置ｌＫおける監視方式は、一つの
光中間中継装置内に複数の伝送路を有する場合、その光
中間中継装置内に受信信号の分岐回路と、共用の同期化
回路および符号誤り率計数回路を備え、各伝送路の符号
誤９率を選択的に計数するようにしたものである。The monitoring method for the optical intermediate repeater IK of the present invention is such that when one optical intermediate repeater has a plurality of transmission paths, the optical intermediate repeater includes a received signal branch circuit, a shared synchronization circuit, and a code. An error rate counting circuit is provided to selectively count the code error rate of each transmission line.
本発明においては、一方向または双方向に複数個の伝送
路が構成されるシステムにおいて、一つの伝送路をマス
ターの伝送路とし、他の伝送路をスレーブの伝送路とみ
なして、そのスレーブの伝送路は各光中間中継装置にお
いて受信信号の同期をとらず単に受信信号を分岐して一
方の出力を次の光中間中継装置に送信すると共に、他方
の出力をマスターの伝送路の光中間中継装置に出力して
、マスターの伝送路側ではスレーブの伝送路からの分岐
された受信信号を必要に応じて選択して、同期をとるこ
とにより符号誤り率を計数してマスターの伝送路を用い
て、その情報全光端局中継装置側へ転送する。In the present invention, in a system configured with a plurality of unidirectional or bidirectional transmission lines, one transmission line is regarded as a master transmission line, and the other transmission lines are regarded as slave transmission lines. The transmission line does not synchronize the received signals at each optical intermediate repeater, but simply branches the received signals and sends one output to the next optical intermediate repeater, while the other output is sent to the optical intermediate repeater of the master transmission line. The master transmission line side selects the branched received signal from the slave transmission line as necessary, and calculates the bit error rate by synchronizing the signal and transmits it to the master transmission line. , the information is transferred to the all-optical terminal station relay device side.
以下、図面に基づき本発明の実施例を詳細に説明する。 Hereinafter, embodiments of the present invention will be described in detail based on the drawings.
図は本発明の一実施例を示すブロック図である。The figure is a block diagram showing one embodiment of the present invention.
図において１，１１はマスター側光端局中継装置の光送
信器、２１はマスター側光中間中継装置の光受信器、３
１はマスター側光中間中継装置の同期化回路、４１はマ
スター側光中間中継装置の光送信器、５１はマスター側
光端局中継装置の光受信器、６１はマスター側光中間中
継装置の符号誤り率計数回路、Ｔ１はマスター側光中間
中継装置の受信信号選択回路で、これらはマスター側伝
送路全構成している。In the figure, 1 and 11 are the optical transmitters of the optical terminal relay device on the master side, 21 are the optical receivers of the optical intermediate relay device on the master side, and 3
1 is a synchronization circuit of the optical intermediate repeater on the master side, 41 is an optical transmitter of the optical intermediate repeater on the master side, 51 is an optical receiver of the optical terminal repeater on the master side, and 61 is a code for the optical intermediate repeater on the master side. The error rate counting circuit T1 is a received signal selection circuit of the optical intermediate repeater on the master side, and these constitute the entire transmission line on the master side.
１２．１３はスレーブ側光端局中継装置の光送信器、２
２．２３はスレーブ側光中間中継装置の光受信器、３２
．３３はスレーブ側光中間中継装置の分岐回路（受信信
号の分岐回路）、４２．４３はスレーブ側光中間中継装
置の光送信器、５２゜５３はスレーブ側光端局中継装置
の光受信器で、これらはスレーブ側伝送路を構成してい
る。12.13 is the optical transmitter of the optical terminal relay device on the slave side, 2
2.23 is the optical receiver of the slave side optical intermediate repeater, 32
．． 33 is a branch circuit (received signal branch circuit) of the optical intermediate repeater on the slave side, 42.43 is an optical transmitter of the optical intermediate repeater on the slave side, and 52.53 is an optical receiver of the optical terminal repeater on the slave side. , these constitute the slave side transmission line.
そして、１つの光中間中継装置内に複数の伝送路を有す
る場合、その光中間中継装置内に受信信号の分岐回路３
２．３３と、共用の同期化回路３１および符号誤り率計
数回路６１を備え、各伝送路の符号誤り率を選択的に計
数するように構成されている。When one optical intermediate repeater has a plurality of transmission paths, a branch circuit 3 for the received signal is provided within the optical intermediate repeater.
2.33, a shared synchronization circuit 31, and a code error rate counting circuit 61, and is configured to selectively count the code error rate of each transmission path.
つぎにこの図に示す実施例の動作を説明する。Next, the operation of the embodiment shown in this figure will be explained.
マスター側伝送路は、光送信器１１．光受信器２１、同
期化回路３１．光送信器４１．光受信器５１、符号誤り
率計数回路６１．受信信号選択回路Ｔ１により構成され
、光中間中継装置では受信信号の同期をとり符号誤り率
を計数して、補助信号内のリモートデータに割シ尚てら
れたビット金利用して光端局中継装置に伝送される。The master side transmission path includes an optical transmitter 11. Optical receiver 21, synchronization circuit 31. Optical transmitter 41. Optical receiver 51, code error rate counting circuit 61. It consists of a received signal selection circuit T1, and the optical intermediate repeater synchronizes the received signals, counts the code error rate, and relays the optical terminal using the bits allocated to the remote data in the auxiliary signal. transmitted to the device.
一方のスレーブ側伝送路は、光送信器１２．光受信器２
２９分岐回路３２．光送信器４２．光受信器５２．光送
信器１３．光受信器２３２分岐回路３３．光送信器４３
．光受信器５３によシ構成されて補助信号の分岐挿入は
行なわず、分岐回路３２．３３によシ受信信号の分岐の
みを行なう。One slave-side transmission path includes an optical transmitter 12. Optical receiver 2
29 branch circuit 32. Optical transmitter 42. Optical receiver 52. Optical transmitter 13. Optical receiver 232 branch circuit 33. Optical transmitter 43
．． The optical receiver 53 does not add or drop auxiliary signals, and the branch circuits 32 and 33 only branch received signals.
そして、分岐された信号はマスター側伝送路の受信信号
選択回路７１に送出され、ここでマスター側伝送路の同
期化回路３１かも送出される制御信号に工）下りか上９
の受信信号のうち、１つの信号を選択して符号−ｐ率計
数回路６１によシ符号誤り率を計数して、マスター側の
伝送路を利用して光端局中継装置へ情報を伝送する。Then, the branched signal is sent to the received signal selection circuit 71 of the master side transmission line, and here the synchronization circuit 31 of the master side transmission line also outputs the control signal.
One signal is selected from among the received signals, the code-p rate counting circuit 61 counts the code error rate, and transmits the information to the optical terminal relay device using the transmission path on the master side. .
なお、この図に示す実施例では、スレーブ側の伝送路は
下り上シ各１つであるが、回路構成の追加により、さら
にスレーブ側の伝送路の数を増加することができる。In the embodiment shown in this figure, the number of transmission lines on the slave side is one for each of the up and down lines, but the number of transmission lines on the slave side can be further increased by adding a circuit configuration.
以上説明したように、本発明は、一方向または双方向に
複数個の伝送路が構成されていることを利用して、スレ
ーブの伝送路の光中間中継装置では、受信信号の分岐回
路だけの挿入により、マスターの伝送路の各光中間中継
装置において、スレーブの伝送路の符号誤り率を必要に
応じて選択的に計数することにより、光中間中継装置の
回路構成を大幅に簡略化できる効果がある。As explained above, the present invention takes advantage of the fact that a plurality of transmission lines are configured in one direction or both directions, and in the optical intermediate repeater of the slave transmission line, only the branch circuit for the received signal is used. This insertion allows each optical intermediate repeater on the master transmission line to selectively count the bit error rate of the slave transmission line as needed, greatly simplifying the circuit configuration of the optical intermediate repeater. There is.
図は本発明の一実施例を示すブロック図である。
１１〜１３・争・・光送信器、２１〜２３拳・・・光受
信器、３１・・・・同期化回路、３２゜３３・・１１争
分岐回路、４１〜４３Φ・・・光送信器、５１〜５３・
φ・９光受信器、６１・・Φ・符号誤り率計数回路、Ｔ
１・・・・受信信号選択回路。The figure is a block diagram showing one embodiment of the present invention. 11-13・Optical transmitter, 21-23・Optical receiver, 31・・Synchronization circuit, 32゜33・・11・Optical branch circuit, 41-43Φ・・Optical transmitter , 51-53・
φ・9 optical receiver, 61...φ・code error rate counting circuit, T
1... Reception signal selection circuit.
Claims (1)
中継装置側へ転送するシステムにおいて、一つの光中間
中継装置内に複数の伝送路を有する場合、該光中間中継
装置内に受信信号の分岐回路と、共用の同期化回路およ
び符号誤り率計数回路を備え、各伝送路の符号誤り率を
選択的に計数するようにしたことを特徴とする光中間中
継装置における監視方式。In a system that transfers the bit error rate of the received signal at the optical intermediate repeater to the optical terminal station repeater side, when one optical intermediate repeater has multiple transmission paths, the received signal 1. A monitoring system for an optical intermediate repeater, comprising a branch circuit, a shared synchronization circuit, and a code error rate counting circuit, and selectively counts the code error rate of each transmission path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62124011A JPS63290031A (en) | 1987-05-22 | 1987-05-22 | Monitor system for light intermediate repeating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62124011A JPS63290031A (en) | 1987-05-22 | 1987-05-22 | Monitor system for light intermediate repeating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63290031A true JPS63290031A (en) | 1988-11-28 |
Family
ID=14874813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62124011A Pending JPS63290031A (en) | 1987-05-22 | 1987-05-22 | Monitor system for light intermediate repeating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63290031A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05199191A (en) * | 1992-01-20 | 1993-08-06 | Nippon Telegr & Teleph Corp <Ntt> | Method and device for fault bracketing |
-
1987
- 1987-05-22 JP JP62124011A patent/JPS63290031A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05199191A (en) * | 1992-01-20 | 1993-08-06 | Nippon Telegr & Teleph Corp <Ntt> | Method and device for fault bracketing |
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