JPH0528532B2 - - Google Patents
Info
- Publication number
- JPH0528532B2 JPH0528532B2 JP60087506A JP8750685A JPH0528532B2 JP H0528532 B2 JPH0528532 B2 JP H0528532B2 JP 60087506 A JP60087506 A JP 60087506A JP 8750685 A JP8750685 A JP 8750685A JP H0528532 B2 JPH0528532 B2 JP H0528532B2
- Authority
- JP
- Japan
- Prior art keywords
- transmission line
- switching device
- line network
- network switching
- receiving side
- 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 - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims description 62
- 238000010586 diagram Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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 [Field of Industrial Application] 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。
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によつ
て設定した予備伝送路に切替えるものとなつてい
た。
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.
The backup transmission line network 6 includes a transmission line switching device 3 on the sending side and a transmission line switching device 4 on the receiving side for arbitrarily setting one backup path connecting the sending side and the receiving side. In the event of a failure in the transmission line 5, the transmitting side transmission line network switching device 3 and the receiving side transmission line network switching device 4 are configured to switch to a 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、切替動作の信頼性が低下
し、伝送路の信頼性が低下するという問題があ
る。
In the conventional transmission line network switching device described above, when switching from one protection transmission line to another protection transmission line, at least two or more switching points must be operated at the time of switching, which reduces the reliability of the switching operation. , there is a problem that 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
The input signal is branched into two routes, the transmitting side sets any route among the multiple routes connecting the transmitting side before switching, and the receiving side selects the route connecting the transmitting and receiving sides at the time of switching. It was designed to do so.
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、切替時前に、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 drive device of 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、13a〜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, 11
12 is a relay station transmission line network switching device on the transmitting side, 12 is a relay station transmission line network switching device on the receiving side, 13a to 13d are working transmission lines, 14a to 14d are protection transmission lines, T1
~T8 is a terminal.
次の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はハイブリツド回路であり、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 include the transmitting side transmission line network switching device 9, the receiving side transmission line network switching device 10, the transmitting side relay station transmission line network switching device 11, and the receiving side transmission line network switching device 9. The relay station transmission line network switching device 12 selects one arbitrary input line and one output line from a plurality of input lines consisting of a working line and a protection line, and a plurality of output lines consisting of a working line and a protection line. It is a matrix device that connects books.
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、
り障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 mixed protection and working transmission line network is composed of a transmitting side transmission line network switching device 9, a receiving side transmission line network switching device 10, and relay station transmission line network switching devices 11 and 12.
By driving the transmitting side transmission line network switching device 9, the receiving side transmission line network switching device 10, and the relay station transmission line network switching devices 11 and 12, the route for relieving the faulty transmission line as much as possible is established between the sending side and the receiving side. It can be set from multiple routes that can connect the sides.
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、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、切替時に受信伝送路網切替装置10だけを動
作させることにより切替を行うことができる。 Current use to current use, current use to reserve, reserve to reserve,
For all switching patterns from backup 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 devices 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 transmission line network switching device 10 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ので、現用、
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時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、
伝送路の信頼性を高める効果がある。
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. Since the route connecting the transmitting side and the receiving side is selected at the time, the current
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. You can switch with
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、かつ、
送信側と受信側をを結ぶ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。 In addition, the route can be switched from one working line to another, so if a certain working line is disconnected and
If it is not possible to set up a backup line that connects the transmitting side and the receiving side, 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、14a〜14d……予備伝送路、T1〜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, 14a to 14d...protection transmission line, T1 to T8
...Terminal.
Claims (1)
岐回路と、切替によつて送信側と受信側とを結ぶ
複数の現用伝送路および複数の予備伝送路から構
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
とを結ぶ径路のうちから所望の径路を選択できる
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。1. One of the multiple routes consisting of a transmitting side branch circuit for branching the input signal into two routes, multiple working transmission lines and multiple backup transmission lines that connect the transmitting side and the receiving side by switching. a transmitting side transmission line network switching device for setting an arbitrary route before switching;
A transmission line network switching device comprising: a receiving side transmission line network switching device capable of selecting a desired route from among the routes connecting a transmitting side and a receiving side with only one switching operation at the time of switching.
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 JPS61247135A (en) | 1986-11-04 |
JPH0528532B2 true 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 (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4935843A (en) * | 1972-08-07 | 1974-04-03 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4935843A (en) * | 1972-08-07 | 1974-04-03 |
Also Published As
Publication number | Publication date |
---|---|
JPS61247135A (en) | 1986-11-04 |
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