JPS61247135A - Transmission line network changeover device - Google Patents
Transmission line network changeover deviceInfo
- Publication number
- JPS61247135A JPS61247135A JP8750685A JP8750685A JPS61247135A JP S61247135 A JPS61247135 A JP S61247135A JP 8750685 A JP8750685 A JP 8750685A JP 8750685 A JP8750685 A JP 8750685A JP S61247135 A JPS61247135 A JP S61247135A
- Authority
- JP
- Japan
- Prior art keywords
- transmission line
- line network
- transmission
- changeover
- switching 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.)
- Granted
Links
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は伝送路網の切替装置に関するものである。[Detailed description of the invention] [Industrial application field] The present invention relates to a switching device for a transmission line network.
従来の伝送路網の切替装置においては、第2図に示すよ
うに、送信側に送信側分岐回路1、受信側に受信側伝送
路切替装置2を有し、信号を送信側分岐回路1により分
岐し、受信側の受信側伝送路切替装置2により現用と予
備との切替を行う。As shown in FIG. 2, a conventional transmission line network switching device has a transmitting side branch circuit 1 on the transmitting side and a receiving side transmission line switching device 2 on the receiving side, and the signal is transferred by the transmitting side branch circuit 1. The transmission line is branched, and the reception side transmission line switching device 2 on the reception side performs switching between the active and standby transmission lines.
予備伝送路網6には送信側と受信側とを結ぶ予備径路を
任意に1径路設定するための送信側伝送路網切替装置3
.受信側伝送路網切替装置4を有しており、現用伝送路
5の障害時には送信側伝送路網切替装置3.受信側伝送
路網切替装置4によって設定した予備伝送路に切替える
ものとなっていた。The backup transmission line network 6 includes a transmitting side transmission line network switching device 3 for arbitrarily setting one backup route connecting the transmitting side and the receiving side.
.. It has a transmission line network switching device 4 on the receiving side, and when there is a failure in the working transmission line 5, the transmission line switching device 3 on the transmitting side. The receiving side transmission line network switching device 4 was supposed to switch to the backup transmission line set up.
上述した従来の伝送路網の切替装置は、予備伝送路から
別の予備伝送路に切替える場合、切替時に少なくとも2
個所以上の切替個所を動作させなければならないので、
切替動作の信頬性が低下し、伝送路の信顛性が低下する
という問題がある。The conventional transmission line network switching device described above has at least two
Since it is necessary to operate more than one switching point,
There is a problem in that the reliability of the switching operation decreases and the reliability of the transmission path decreases.
このような問題点を解決するために本発明は、入力信号
を2径路に分岐し、送信側において切替時前に送信側と
受信側とを結ぶ複数の径路のうちの任意の径路を設定し
、受信側において切替時に送信側と受信側とを結ぶ径路
を選択するようにしたものである。In order to solve these problems, the present invention branches an input signal into two routes, and sets an arbitrary route among a plurality of routes connecting the transmitting side and the receiving side before switching on the transmitting side. , the receiving side selects a route connecting the transmitting side and the receiving side at the time of switching.
本発明においては、現用から現用、現用から予備、予備
から予備、予備から現用のいずれかの切替パターンによ
り、切替持前に、送信側と受信側とを結ぶ径路を設定し
、切替時に受信側伝送路網切替装置の駆動のみで切替え
る。In the present invention, a route connecting the transmitting side and the receiving side is set before switching, using any of the following switching patterns: active to active, active to backup, backup to backup, and backup to active. Switching is performed only by driving the transmission line network switching device.
本発明に係わる伝送路網切替装置の一実施例を第1図に
示す。第1図において、7は送信側分岐回路、8は中継
局分岐回路、9は送信側伝送路網切替装置、10は受信
側伝送路網切替装置、11は送信側の中継局伝送路網切
替装置、12は受信側の中継局伝送路網切替装置、13
a〜13dは現用伝送路、14a〜14dは予備伝送路
、T1〜T8は端子である。An embodiment of a transmission line network switching device according to the present invention is shown in FIG. In FIG. 1, 7 is a transmitting side branch circuit, 8 is a relay station branch circuit, 9 is a transmitting side transmission line network switching device, 10 is a receiving side transmission line network switching device, and 11 is a transmitting side relay station transmission line network switching device. device, 12 is a relay station transmission line network switching device on the receiving side, 13
A to 13d are active transmission lines, 14a to 14d are backup transmission lines, and T1 to T8 are terminals.
次にこのように構成された装置の機能について説明する
。送信側分岐回路7および中継局分岐回路8はハイブリ
ッド回路であり、送信側伝送路網切替装置9.受信側伝
送路網切替装置10.送信側の中継局伝送路網切替装置
11および受信側の中継局伝送路網切替装置12は、現
用回線と予備回線から構成される複数の入力線と、現用
回線と予備回線から構成される複数の出力線とから任意
の入力線1本と出力線1本を接続するマトリクス装置で
ある。Next, the functions of the device configured as described above will be explained. The transmitting side branch circuit 7 and the relay station branch circuit 8 are hybrid circuits, and the transmitting side transmission line network switching device 9. Receiving side transmission line network switching device 10. The relay station transmission line network switching device 11 on the transmitting side and the relay station transmission line network switching device 12 on the receiving side have a plurality of input lines consisting of a working line and a protection line, and a plurality of input lines consisting of a working line and a protection line. This is a matrix device that connects one arbitrary input line and one output line from the output line.
予備、現用混在の伝送路網は送信側伝送路網切替装置9
.受信側伝送路網切替装置10および中継局伝送路網切
替装置11.12から構成され、り瞳伝送路を最大限救
済するための径路を、送信側伝送路網切替装置9.受信
側伝送路網切替装置10および中継局伝送路網切替装置
11.12の駆動により、送信側と受信側とを結び得る
複数の径路から設定できる。The transmission line network for both backup and active use is transmitted by the transmission line switching device 9 on the transmission side.
.. Consisting of a receiving side transmission line network switching device 10 and a relay station transmission line network switching device 11.12, the transmitting side transmission line network switching device 9. By driving the receiving side transmission line network switching device 10 and the relay station transmission line network switching device 11, 12, it is possible to set a plurality of routes that can connect the transmitting side and the receiving side.
現用から現用、現用から予備、予備から予備。Current use to current use, current use to reserve, reserve to reserve.
予備から現用へのすべての切替パターンについて、受信
側伝送路網切替装置10を除いた伝送路網切替装置すな
わち送信側伝送路網切替装置9および中継局伝送路網切
替装置11.12をあらかじめ駆動して受信側と送信側
とを結ぶ径路を設定し、切替時に受信側伝送路網切替装
置1oだけを動作させることにより切替を行うことがで
きる。For all switching patterns from standby to active, the transmission line network switching devices except the receiving side transmission line network switching device 10, that is, the sending side transmission line network switching device 9 and the relay station transmission line network switching device 11 and 12 are driven in advance. The switching can be performed by setting a route connecting the receiving side and the transmitting side, and operating only the receiving side transmission line network switching device 1o at the time of switching.
以上説明したように本発明は、入力信号を2径路に分岐
し、送信側において切替持前に送信側と受信側とを結ぶ
複数の径路のうちの任意の径路を設定し、受信側におい
て切替時に送信側と受信側とを結ぶ径路を選択するよう
にしたので、現用。As explained above, the present invention branches an input signal into two routes, sets an arbitrary route among a plurality of routes connecting the transmitting side and the receiving side before switching on the transmitting side, and switches the input signal on the receiving side. It is currently used because it selects the route that connects the sending and receiving sides.
予備混在の伝送路切替網を作ることにより現用回線から
他の現用回線への切替えができ、現用と予備の両方の分
岐信号を送信側伝送路網切替装置の入力とすることによ
り現用から現用、現用から予備、予備から予備、予備か
ら現用へのすべての切替パターンについて切替持前に送
信側と受信側とを結ぶ径路を設定でき、このことにより
切替時に受信側伝送路網切替装置の駆動のみで切替でき
、伝送路の信顛性を高める効果がある。By creating a transmission line switching network with mixed protection, it is possible to switch from a working line to another working line, and by inputting both the working and protection branch signals to the transmission line switching device on the transmission side, switching from the working line to the working line, For all switching patterns from active to standby, standby to standby, and standby to active, the route connecting the transmitting side and the receiving side can be set before switching, and this allows only the driving of the receiving side transmission line switching device at the time of switching. This has the effect of increasing the reliability of the transmission path.
また現用回線から他の現用回線へ。径路を切替えること
ができるので、ある現用回線が断、がっ。Also, from one working line to another working line. Since the route can be switched, if a certain working line is disconnected, it will not work.
送信側と受信側とを結ぶ径路を予備回線を用いて設定で
きない場合、他の現用回線を用いてり障回線を救済する
径路を設定することができる効果もある。When a route connecting the transmitting side and the receiving side cannot be set using a protection line, another working line can be used to set up a route for relieving the faulty line.
第1図は本発明に係わる伝送路網切替装置の一実施例を
示す系統図、第2図は従来の伝送路網切替装置を示す系
統図である。
7・・・・送信側分岐回路、8・・・・中継局分岐回路
、9・・・・送信側伝送路網切替装置、10・・・・受
信側伝送路網切替装置、11,12・・・・中継局伝送
路網切替装置、13a〜13d・・・・現用伝送路、1
4a〜14d・・・・予備伝送路、TI−T8・・・・
端子。FIG. 1 is a system diagram showing an embodiment of a transmission line network switching device according to the present invention, and FIG. 2 is a system diagram showing a conventional transmission line network switching device. 7... Transmission side branch circuit, 8... Relay station branch circuit, 9... Transmission side transmission line network switching device, 10... Receiving side transmission line network switching device, 11, 12. ... Relay station transmission line network switching device, 13a to 13d... Working transmission line, 1
4a to 14d...protection transmission line, TI-T8...
terminal.
Claims (1)
切替によって送信側と受信側とを結ぶ現用伝送路および
予備伝送路から構成された複数の径路のうちの任意の径
路を切替時前に設定するための送信側伝送路網切替装置
と、切替時に1個所の切替動作だけで送信側と受信側と
を結ぶ径路を選択できる受信側伝送路網切替装置とを備
えたことを特徴とする伝送路網切替装置。a transmission side branch circuit for branching the input signal into two paths;
A transmitting side transmission line network switching device for setting an arbitrary route among a plurality of routes consisting of a working transmission line and a backup transmission line connecting a transmitting side and a receiving side by switching before switching; A transmission line network switching device comprising: a receiving side transmission line network switching device capable of selecting a route connecting a transmitting side and a receiving side with only one switching operation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8750685A JPS61247135A (en) | 1985-04-25 | 1985-04-25 | Transmission line network changeover device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8750685A JPS61247135A (en) | 1985-04-25 | 1985-04-25 | Transmission line network changeover device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61247135A true JPS61247135A (en) | 1986-11-04 |
JPH0528532B2 JPH0528532B2 (en) | 1993-04-26 |
Family
ID=13916862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8750685A Granted JPS61247135A (en) | 1985-04-25 | 1985-04-25 | Transmission line network changeover device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61247135A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4935843A (en) * | 1972-08-07 | 1974-04-03 | ||
JPS5574155U (en) * | 1978-11-17 | 1980-05-22 | ||
JPS59140561U (en) * | 1983-03-09 | 1984-09-19 | 三菱電機株式会社 | Dual system verification output switching device |
-
1985
- 1985-04-25 JP JP8750685A patent/JPS61247135A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4935843A (en) * | 1972-08-07 | 1974-04-03 | ||
JPS5574155U (en) * | 1978-11-17 | 1980-05-22 | ||
JPS59140561U (en) * | 1983-03-09 | 1984-09-19 | 三菱電機株式会社 | Dual system verification output switching device |
Also Published As
Publication number | Publication date |
---|---|
JPH0528532B2 (en) | 1993-04-26 |
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