JPH0656983B2 - Contact information collection method - Google Patents
Contact information collection methodInfo
- Publication number
- JPH0656983B2 JPH0656983B2 JP1334860A JP33486089A JPH0656983B2 JP H0656983 B2 JPH0656983 B2 JP H0656983B2 JP 1334860 A JP1334860 A JP 1334860A JP 33486089 A JP33486089 A JP 33486089A JP H0656983 B2 JPH0656983 B2 JP H0656983B2
- Authority
- JP
- Japan
- Prior art keywords
- station
- contact information
- optical transmission
- terminal
- stations
- 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.)
- Expired - Fee Related
Links
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Optical Communication System (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は光伝送通信システムにおける接点情報収集方式
に関し、特に、２回線の光伝路上の局舎監視を行う接点
情報収集方式に関する。Description: TECHNICAL FIELD The present invention relates to a contact information collecting method in an optical transmission communication system, and more particularly to a contact information collecting method for monitoring a station building on an optical transmission path of two lines.
この種の光伝送通信システムは、複数の局が光伝送路を
介して接続されている。各局は、端局か或いは中継局の
いづれかである。端局は、中継局を介して対向する端局
と通信を行う。端局は、光伝送端局装置を有するが、接
点情報収集伝送装置と多重変換装置とを有する場合もあ
る。中継局は、光伝送中継装置と接点情報収集伝送装置
と多重変換中継装置とを有する。ここで、接点情報と
は、クロック信号の異常や回線断などを示す障害情報で
あって、リレーの接点の状態で表される。In this type of optical transmission communication system, a plurality of stations are connected via an optical transmission line. Each station is either a terminal station or a relay station. The terminal station communicates with the opposite terminal station via the relay station. The terminal station has an optical transmission terminal apparatus, but may have a contact information collecting and transmitting apparatus and a multiplex converting apparatus. The repeater station includes an optical transmission repeater, a contact information collection / transmission device, and a multiplex conversion repeater. Here, the contact information is failure information indicating an abnormality in the clock signal, disconnection of the line, etc., and is represented by the state of the contact of the relay.
このような光伝送通信システムにおいて、接点情報収集
伝送装置を含む１つの端局がマスター局として働き、そ
れ以外の接点情報収集伝送装置を含む局はスレーブ局と
して働く。マスター局は、接点情報収集伝送装置からの
制御信号を多重変換装置でデータ信号と多重化して、光
伝送端局装置より光伝送路へ送信する。一方、中継局の
スレーブ局は、マスター局からの制御信号を光伝送中継
装置及び多重変換中継装置を介して接点情報収集伝送装
置で受信すると共に、他の局へその制御信号を中継して
送出する。また、中継局のスレーブ局は、制御信号に応
答して、接点情報収集伝送装置から接点情報を多重変換
中継装置及び光伝送中継装置を介してマスター局へ送出
する。端局のスレーブ局は、光伝送路上の制御信号を光
伝送端局装置及び多重変換装置を介して接点情報収集伝
送装置で受信すると、接点情報収集伝送装置からの接点
情報を多重変換装置でデータ信号と多重化して、光伝送
端局装置より光伝送路へ送信する。マスター局は、これ
ら接点情報を光伝送端局装置及び多重変換装置を介して
接点情報収集伝送装置で受信する。In such an optical transmission communication system, one terminal station including the contact information collecting and transmitting apparatus functions as a master station, and stations other than the contact information collecting and transmitting apparatus function as slave stations. The master station multiplexes the control signal from the contact information collection / transmission device with the data signal by the multiplex conversion device and transmits the multiplexed signal from the optical transmission terminal station device to the optical transmission line. On the other hand, the slave station of the relay station receives the control signal from the master station at the contact information collection / transmission device via the optical transmission relay device and the multiplex conversion relay device, and relays the control signal to another station and sends it out. To do. Further, the slave station of the relay station sends the contact information from the contact information collecting and transmitting apparatus to the master station via the multiplex conversion repeating apparatus and the optical transmission repeating apparatus in response to the control signal. When the slave station of the terminal station receives the control signal on the optical transmission line at the contact information collection / transmission device via the optical transmission terminal station device and the multiplex conversion device, the contact information from the contact information collection / transmission device is converted to data by the multiplex conversion device. The signal is multiplexed with the signal and transmitted from the optical transmission terminal device to the optical transmission line. The master station receives these contact information at the contact information collecting and transmitting apparatus via the optical transmitting terminal station apparatus and the multiplex converting apparatus.
従来の接点情報収集方式は、１回線の光伝送路に複数の
局が接続された光伝送通信システムに適用される。しか
しながら、光伝送通信システムには、２回線の光伝送路
に複数の局が接続されているシステムもある。このよう
なシステムの場合、複数の局は、２回線の両方の光伝送
路に接続される特定の局と、２回線のうちの片方にのみ
接続される残りの局とに分けられる。特定の局は重複局
と呼ばれる。従来の重複局は、２回線の光伝送路にそれ
ぞれ接続された２つの光伝送端局装置と、これら２つの
光伝送端局装置にそれぞれ接続され、かつ互いに接続さ
れた２つの多重変換装置とを有する。従って、従来の重
複局は、一方の回線の光伝送路からの信号（制御信号及
び接点情報）を他方の回線の光伝送路へ中継することが
できる。The conventional contact information collection method is applied to an optical transmission communication system in which a plurality of stations are connected to one optical transmission line. However, some optical transmission communication systems include a system in which a plurality of stations are connected to two optical transmission lines. In the case of such a system, the plurality of stations are divided into a specific station connected to both optical transmission lines of two lines and a remaining station connected to only one of the two lines. Specific stations are called duplicate stations. The conventional duplicated station includes two optical transmission terminal station devices respectively connected to two optical transmission lines, and two multiplexers respectively connected to these two optical transmission terminal station devices and mutually connected. Have. Therefore, the conventional duplicated station can relay the signal (control signal and contact information) from the optical transmission line of one line to the optical transmission line of the other line.
しかしながら、従来の重複局では、当該重複局自信の接
点情報をマスター局へ伝送することができない。However, the conventional duplicate station cannot transmit the contact information of the duplicate station to the master station.
従って、本発明の課題は、重複局の接点情報をマスター
局へ伝送することができる接点情報収集方式を提供する
ことにある。Therefore, an object of the present invention is to provide a contact information collection method capable of transmitting contact information of duplicated stations to a master station.
本発明による接点情報収集方式は、第１の端局が少なく
とも１つの第１の中継局を介して第１の光伝送路によっ
て重複局に接続され、第２の端局が少なくとも１つの第
２の中継局を介して第２の光伝送路によって前記重複局
に接続された光伝送通信システムにおける、前記第１及
び第２の端局のうちのいづれか１つがマスター局として
働き、該マスター局が該マスター局以外のスレーブ局の
接点情報を収集する接点情報収集方式において、前記重
複局は、前記マスター局から送られてくる制御信号を当
該重複局と他の局へ分配する分配回路と、該分配回路で
当該重複局に分配された制御信号に応答して、当該重複
局の接点情報を送出する接点情報送出手段と、該接点情
報送出手段から送出された接点情報と前記他の局から送
出されてくる接点情報とを結合して前記マスター局へ送
出する結合回路とを有し、前記分配回路及び前記結合回
路の各々はＣＣＩＴＴ勧告のＶ１１インターフェースを
持つことを特徴とする。In the contact information collecting method according to the present invention, the first terminal station is connected to the duplicate station by the first optical transmission line via at least one first relay station, and the second terminal station is at least one second station. In the optical transmission communication system connected to the duplicated station by the second optical transmission line via the relay station, one of the first and second terminal stations functions as a master station, and the master station is In the contact information collection method for collecting contact information of slave stations other than the master station, the duplicate station includes a distribution circuit that distributes a control signal sent from the master station to the duplicate station and other stations. Contact information transmitting means for transmitting contact information of the duplicated station in response to a control signal distributed to the duplicated station by the distribution circuit, contact information transmitted from the contact information transmitting means and the other station. Contact point By combining the broadcast and a coupling circuit for transmitting to said master station, each of said distribution circuit and the coupling circuit is characterized as having a V11 interface CCITT recommendation.
以下、本発明の実施例について図面を参照して説明す
る。Hereinafter, embodiments of the present invention will be described with reference to the drawings.
第１図を参照すると、本発明の一実施例による接点情報
収集方式が適用される光伝送通信システムは、２回線の
光伝送路に接続された５つの局を有する。ここでは、５
つの局をＡ局、Ｂ局、Ｃ局、Ｄ局、及びＥ局と呼ぶ。２
回線の光伝送路の一方に、Ａ局、Ｂ局、及びＣ局が接続
され、他方にＣ局、Ｄ局、及びＥ局が接続されている。
このように、Ｃ局は、２回線の光伝送路の両方に接続さ
れているので重複局と呼ばれる。Ａ局及びＥ局の各々は
端局であり、Ｂ局及びＤ局の各々は中継局である。Referring to FIG. 1, an optical transmission communication system to which a contact information collecting method according to an embodiment of the present invention is applied has five stations connected to two optical transmission lines. Here, 5
The two stations are called station A, station B, station C, station D, and station E. Two
Stations A, B, and C are connected to one of the optical transmission paths of the line, and stations C, D, and E are connected to the other.
Thus, station C is called an overlap station because it is connected to both of the two optical transmission lines. Each of the stations A and E is a terminal station, and each of the stations B and D is a relay station.
Ａ局は、光伝送端局装置１１と多重変換装置１２と接点
情報収集伝送装置１３とを有する。Ｂ局は、光伝送中継
装置２１と多重変換中継装置２２と接点情報収集伝送装
置２３とを有する。Ｅ局は、光伝送端局装置３１のみを
有する。Ｄ局は、Ｂ局と同様に、光伝送中継装置４１と
多重変換中継装置４２と接点情報収集伝送装置４３とを
有する。Ｃ局は、２つの光伝送端局装置５１及び６１
と、２つの多重変換装置５２及び６２とを有する。本実
施例のＣ局は、さらに、接点情報収集伝送装置７３と分
配回路７４と結合回路７５とを有する。分配回路７４と
結合回路７５の各々は、ＣＣＩＴＴ勧告のＶ１１インタ
ーフェースを持つ。The station A has an optical transmission terminal device 11, a multiplex conversion device 12, and a contact information collection / transmission device 13. The station B has an optical transmission repeater 21, a multiplex conversion repeater 22, and a contact information collection / transmission device 23. The E station has only the optical transmission terminal station device 31. Like the station B, the station D has an optical transmission repeater 41, a multiplex conversion repeater 42, and a contact information collection / transmission device 43. The C station has two optical transmission terminal devices 51 and 61.
And two multiplexers 52 and 62. The station C of this embodiment further includes a contact information collection / transmission device 73, a distribution circuit 74, and a coupling circuit 75. Each of the distribution circuit 74 and the coupling circuit 75 has a V11 interface recommended by CCITT.
本実施例では、Ａ局がマスター局で、Ｂ，Ｃ，及びＤ局
がスレーブ局である。多重変換装置１２、５２、及び６
２の各々は、ディジタル電気信号をディジタル光信号に
変換する際に生じる余剰ビットレートにより音声あるい
は非同期データを多重化し伝送するためのものである。In this embodiment, station A is a master station and stations B, C, and D are slave stations. Multiplexing devices 12, 52 and 6
Each of 2 is for multiplexing and transmitting voice or asynchronous data by a surplus bit rate generated when converting a digital electric signal into a digital optical signal.
このような構成において、マスター局のＡ局では、接点
情報収集伝送装置１３からの制御信号が多重変換装置１
２及び光伝送端局装置１１より光伝送路に送出される。
この制御信号は、スレーブ局のＢ局において、光伝送中
継装置２１及び多重変換中継装置２２を介して接点情報
収集伝送装置２３で受信されるとともに、Ｃ局へ光伝送
路を介して送出される。Ｃ局においては、この制御信号
が、光伝送端局装置５１、多重変換装置５２及び分配回
路７４を介して、接点情報収集伝送装置７３で受信され
ると共に、光伝送端局装置５１、多重変換装置５２、分
配回路７４、多重変換装置６２及び光伝送端局装置６１
を介してＤ局へ送出される。Ｄ局では、制御信号が、光
伝送中継装置４１及び多重変換中継装置４２を介して接
点情報収集伝送装置４３で受信される。このように、マ
スター局のＡ局からの制御信号は、スレーブ局のＢ局、
Ｃ局、及びＤ局で受信される。In such a configuration, at the master station A, the control signal from the contact information collection / transmission device 13 is transmitted to the multiplex conversion device 1.
2 and the optical transmission terminal station device 11 sends them to the optical transmission line.
This control signal is received by the contact information collection / transmission device 23 via the optical transmission repeater 21 and the multiplex conversion repeater 22 at the slave station B, and is sent to the station C via the optical transmission path. . In the C station, this control signal is received by the contact information collecting and transmitting apparatus 73 via the optical transmission terminal station apparatus 51, the multiplex conversion apparatus 52, and the distribution circuit 74, and at the same time, the optical transmission terminal station apparatus 51, the multiplex conversion apparatus. Device 52, distribution circuit 74, multiplex conversion device 62, and optical transmission terminal device 61
Is sent to the D station via. In the D station, the control signal is received by the contact information collecting and transmitting apparatus 43 via the optical transmission repeating apparatus 41 and the multiplex conversion repeating apparatus 42. In this way, the control signal from station A of the master station is transmitted to station B of the slave station,
It is received by the C station and the D station.
一方、Ｂ局の接点情報は、接点情報収集伝送装置２３か
ら多重変換中継装置２２及び光伝送中継装置２１を介し
てＡ局へ送出される。Ｃ局の接点情報は、接点情報収集
伝送装置７３から結合回路７５、多重変換装置５２、光
伝送端局装置５１、及びＢ局を介してＡ局へ送出され
る。Ｄ局の接点情報は、接点情報収集伝送装置４３から
多重変換中継装置４２、光伝送中継装置４１、Ｃ局（光
伝送端局装置６１、多重変換装置６２、結合回路７５、
多重変換装置５２、及び光伝送端局装置５１）、及びＢ
局を介してＡ局へ送出される。On the other hand, the contact information of the B station is sent from the contact information collecting and transmitting apparatus 23 to the A station via the multiplex conversion repeater 22 and the optical transmission repeater 21. The contact information of the C station is sent from the contact information collecting and transmitting apparatus 73 to the A station via the coupling circuit 75, the multiplex conversion apparatus 52, the optical transmission terminal station apparatus 51, and the B station. The contact information of the D station includes the contact information collecting and transmitting device 43, the multiplexing conversion relay device 42, the optical transmission relay device 41, the C station (the optical transmission terminal device 61, the multiplexing conversion device 62, the coupling circuit 75,
Multiplexing device 52, optical transmission terminal device 51), and B
It is transmitted to the A station via the station.
以上説明したように本発明は、接点情報収集伝送装置を
用いた局舎監視システムにおいて、２回線の光伝送路の
両方に接続されている重複局に分配回路と結合回路とを
付加することにより、簡易に監視する局舎数を増加する
ことができるという効果がある。また、分配回路及び結
合回路の各々がＣＣＩＴＴ勧告のＶ１１インターフェー
スを持つので、接点情報収集伝送装置（接点情報送出手
段）以外の監視装置とのインターフェースが可能で、優
れた適用性があるという顕著な効果をも達成し得る。As described above, according to the present invention, in the station building monitoring system using the contact information collecting and transmitting device, the distribution circuit and the coupling circuit are added to the duplicate stations connected to both of the two optical transmission lines. There is an effect that the number of stations to be easily monitored can be increased. Further, since each of the distribution circuit and the coupling circuit has a V11 interface recommended by CCITT, it is possible to interface with a monitoring device other than the contact information collecting / transmitting device (contact information transmitting means), which is excellent in applicability. The effect can also be achieved.
第１図は本発明の一実施例による接点情報収集方式が適
用される光伝送通信システムの構成を示すブロック図で
ある。 １１……光伝送端局装置、１２……多重変換装置、１３
……接点情報収集伝送装置、２１……光伝送中継装置、
２２……多重変換中継装置、２３……接点情報収集伝送
装置、３１……光伝送端局装置、４１……光伝送中継装
置、４２……多重変換中継装置、４３……接点情報収集
伝送装置、５１……光伝送端局装置、５２……多重変換
装置、６１……光伝送端局装置、６２……多重変換装
置、７３……接点情報収集伝送装置、７４……分配回
路、７５……結合回路。FIG. 1 is a block diagram showing a configuration of an optical transmission communication system to which a contact information collecting method according to an embodiment of the present invention is applied. 11 ... Optical transmission terminal device, 12 ... Multiplex conversion device, 13
...... Contact information collection and transmission equipment, 21 ...... Optical transmission relay equipment,
22 ... Multiplex conversion repeater, 23 ... Contact information collection / transmission device, 31 ... Optical transmission terminal device, 41 ... Optical transmission repeater, 42 ... Multiplex conversion relay device, 43 ... Contact information collection / transmission device , 51 ... Optical transmission terminal device, 52 ... Multiplex conversion device, 61 ... Optical transmission terminal device, 62 ... Multiplex conversion device, 73 ... Contact information collection / transmission device, 74 ... Distribution circuit, 75 ... … Coupling circuit.
Claims (1)
局を介して第１の光伝送路によって重複局に接続され、
第２の端局が少なくとも１つの第２の中継局を介して第
２の光伝送路によって前記重複局に接続された光伝送通
信システムにおける、前記第１及び第２の端局のうちの
いづれか１つがマスター局として働き、該マスター局が
該マスター局以外のスレーブ局の接点情報を収集する接
点情報収集方式において、前記重複局は、前記マスター
局から送られてくる制御信号を当該重複局と他の局へ分
配する分配回路と、該分配回路で当該重複局に分配され
た制御信号に応答して、当該重複局の接点情報を送出す
る接点情報送出手段と、該接点情報送出手段から送出さ
れた接点情報と前記他の局から送出されてくる接点情報
とを結合して前記マスター局へ送出する結合回路とを有
し、前記分配回路及び前記結合回路の各々はＣＣＩＴＴ
勧告のＶ１１インターフェースを持つことを特徴とする
接点情報収集方式。1. A first terminal station is connected to a duplicate station by a first optical transmission line via at least one first relay station,
One of the first and second terminal stations in the optical transmission communication system in which the second terminal station is connected to the duplicate station by the second optical transmission line via at least one second relay station. In the contact information collection method in which one works as a master station and the master station collects contact information of slave stations other than the master station, the duplicate station transmits the control signal sent from the master station to the duplicate station. A distribution circuit for distributing to another station, a contact information transmitting means for transmitting contact information of the overlapping station in response to a control signal distributed to the overlapping station by the distribution circuit, and a transmission from the contact information transmitting means. A distribution circuit for combining the generated contact information and the contact information transmitted from the other station and transmitting the combined contact information to the master station, each of the distribution circuit and the coupling circuit being a CCITT.
A contact information collection method characterized by having a recommended V11 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1334860A JPH0656983B2 (en) | 1989-12-26 | 1989-12-26 | Contact information collection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1334860A JPH0656983B2 (en) | 1989-12-26 | 1989-12-26 | Contact information collection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03196720A JPH03196720A (en) | 1991-08-28 |
| JPH0656983B2 true JPH0656983B2 (en) | 1994-07-27 |
Family
ID=18282030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1334860A Expired - Fee Related JPH0656983B2 (en) | 1989-12-26 | 1989-12-26 | Contact information collection method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0656983B2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59223036A (en) * | 1983-06-01 | 1984-12-14 | Nec Corp | Monitoring device |
-
1989
- 1989-12-26 JP JP1334860A patent/JPH0656983B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03196720A (en) | 1991-08-28 |
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