JP2591317B2 - Device connection method - Google Patents
Device connection methodInfo
- Publication number
- JP2591317B2 JP2591317B2 JP28389290A JP28389290A JP2591317B2 JP 2591317 B2 JP2591317 B2 JP 2591317B2 JP 28389290 A JP28389290 A JP 28389290A JP 28389290 A JP28389290 A JP 28389290A JP 2591317 B2 JP2591317 B2 JP 2591317B2
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- station
- inter
- terminal devices
- terminal 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.)
- Expired - Lifetime
Links
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は装置間接続方式に関し、特に複数の伝送端局
装置が接続される装置間接続方式に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inter-device connection system, and more particularly to an inter-device connection system in which a plurality of transmission terminal devices are connected.
第２図は従来の装置間接続方式の一例のブロック図で
ある。FIG. 2 is a block diagram of an example of a conventional inter-device connection system.
第２図はｎ＋１台の端局装置をケーブルでバス状に接
続して1:nの伝送路プロテクションシステムを構成（ｎ
＝３）し、４台の同じ端局装置51〜54を示している。各
端局装置はプロテクションスイッチ63〜66及びCPUを有
する制御部59〜62が搭載され、接続ケーブルで互いにバ
ス接続されている。また、端局装置の前面には番号設定
スイッチ55〜58があり、各端局装置に固有のシステム番
号を設定するようになっている。局内伝送路信号67〜69
は各端局装置内で分岐されて、一方は局間現用伝送路信
号71〜73として送出され、他方はプロテクションスイッ
チ64〜66に入力される。FIG. 2 shows a configuration of a 1: n transmission line protection system in which n + 1 terminal devices are connected in a bus shape by a cable (n
= 3) and four identical terminal devices 51 to 54 are shown. Each of the terminal devices is provided with protection switches 63 to 66 and control units 59 to 62 having a CPU, and is connected to each other by a bus via a connection cable. In addition, number setting switches 55 to 58 are provided on the front surface of the terminal station device, so that a unique system number is set for each terminal station device. Station transmission path signal 67 to 69
Is branched in each terminal station device, one is transmitted as inter-station working transmission line signals 71 to 73, and the other is input to protection switches 64 to 66.
端局装置51は局間予備伝送路70に接続されており、局
間現用伝送路71〜73の１つが故障した場合にはプロテク
ションスイッチ63〜66を切替えてこの部分に信号を通し
て回線を救済する。制御部60はシステムの主制御部であ
り自局装置のプロテクションスイッチ64を制御するほか
に多の端局装置の制御部59,61,62にも制御バス上のシリ
アル通信によって命令を与えて、それぞれのプロテクシ
ョンスイッチを制御させている。各制御部59〜62は前面
の番号設定スイッチ55〜58で設定されたシステム番号を
自端局装置の番号として認識している。制御部60はシス
テム番号をアドレスとして各制御部59,61,62に命令を与
える。各端局装置のシステム番号は接続の順序、すなわ
ち、バス上の並び方によって一意的に決定されなければ
ならない。例えば、予備伝送路に接続されている端局装
置51が０番、隣りの端局装置52が１番、次の隣りの端局
装置が２番…というように決める。そして、制御部60は
各端局装置がその設定されたシステム番号の順序に正し
く接続されているという前提のもとに制御を行う。局間
現用伝送路72に故障が発生して切替える場合には、０番
〜２番の各端局装置のプロテクションスイッチ63〜65を
第２図に示すような状態に設定し、局内伝送信号68を局
間予備伝送路70に接続する。The terminal device 51 is connected to the inter-station backup transmission line 70, and when one of the inter-station working transmission lines 71-73 fails, switches the protection switches 63-66 to rescue the line by passing a signal to this portion. . The control unit 60 is a main control unit of the system, and in addition to controlling the protection switch 64 of the own station device, gives a command to the control units 59, 61, 62 of many terminal devices by serial communication on a control bus, Each protection switch is controlled. Each of the control units 59 to 62 recognizes the system number set by the number setting switches 55 to 58 on the front as the number of the own terminal station device. The control unit 60 gives an instruction to each of the control units 59, 61, and 62 using the system number as an address. The system number of each terminal device must be uniquely determined by the connection order, that is, the arrangement on the bus. For example, the terminal device 51 connected to the protection line is determined to be number 0, the adjacent terminal device 52 is determined to be number 1, the next adjacent terminal device is determined to be number 2, and so on. Then, the control unit 60 performs control on the assumption that the terminal devices are correctly connected in the order of the set system numbers. When a failure occurs in the inter-station working transmission line 72 and switching is performed, the protection switches 63 to 65 of each of the terminal devices 0 to 2 are set to the state shown in FIG. Is connected to the inter-station backup transmission line 70.
前面スイッチによる設定番号順に端局装置が接続され
ていなければ、プロテクションスイッチも正しい状態に
設定されず、回線の切替えは実行できない。If the terminal devices are not connected in the order of the setting numbers by the front switch, the protection switch is not set to the correct state and the line cannot be switched.
上述した従来の装置間接続方式は、各端局が設定番号
順に正しく接続されていなければ誤った制御が行われて
しまう。また、システム内に接続の誤りを検出す手段が
無いために外部に通知できないという問題点があった。In the above-described conventional device connection method, erroneous control is performed unless each terminal station is correctly connected in the order of the setting number. In addition, there is a problem in that there is no means for detecting a connection error in the system, so that it cannot be notified to the outside.
本発明の装置間接続方式は、それぞれに対し外部から
あらかじめ固有の番号が設定される複数の端局装置が前
記設定番号の大小順に接続されるべき装置間接続方式に
おいて、隣接する前記端局装置にパラレル制御信号を用
いて各端局装置の前記設定番号が通知される手段と、通
知された前記設定番号と自端局装置の設定番号との比較
結果が大小順を満たしていないとき、制御を停止し、異
常を隣接する端局装置に通知する手段を有する。In the inter-device connection method of the present invention, in the inter-device connection method in which a plurality of terminal devices each having a unique number set in advance from the outside are to be connected in descending order of the set number, the adjacent terminal devices are connected. Means for notifying the setting number of each terminal device using a parallel control signal, and when the comparison result between the notified setting number and the setting number of the own terminal device does not satisfy the order of magnitude, control is performed. And a means for notifying the abnormality to an adjacent terminal device.
次に、本発明について図面を参照して説明する。第１
図は本発明の一実施例を示すブロック図である。Next, the present invention will be described with reference to the drawings. First
FIG. 1 is a block diagram showing an embodiment of the present invention.
本実施例は、ｎ＋１台の端局装置１〜４をケーブルで
バス状に接続して1:nの伝送路プロテクションシステム
を構成（ｎ＝３）する場合を示す。In the present embodiment, a case where n + 1 terminal devices 1 to 4 are connected in a bus shape by a cable to configure a 1: n transmission line protection system (n = 3) is shown.
端局装置１〜４は４台の同じ端局装置を示しており、
それぞれにプロテクションスイッチ13〜16及びCPUを有
する制御部９〜12が搭載され、接続ケーブルで互いにバ
ス接続されている。端局装置１〜４の前面には番号設定
スイッチ５〜８があり、各端局装置に固有のシステム番
号を設定する。各端局装置１〜４のシステム番号はパラ
レル制御信号28〜30で隣接する端局装置に通知される。
番号比較器24〜27は論理回路で構成され、隣接する端局
装置のシステム番号と自端局装置のシステム番号との大
小を比較する。局内伝送路信号17〜19は局内側の伝送路
信号を示し、各端局装置内で分岐され、一方は局間現用
伝送路信号21〜23として送出され、他方はプロテクショ
ンスイッチ14〜16に入力される。端局装置１は局間予備
伝送路20に接続されており、局間現用伝送路21〜23の１
つが故障した場合には切替えたプロテクションスイッチ
13〜16を通すことによって故障した局間現用伝送路を救
済する。The terminal devices 1 to 4 indicate four identical terminal devices,
Control switches 9 to 12 each having a protection switch 13 to 16 and a CPU are mounted on each of them, and are connected to each other by a bus with a connection cable. Number setting switches 5 to 8 are provided on the front of the terminal devices 1 to 4, and set a unique system number to each terminal device. The system numbers of the terminal devices 1 to 4 are notified to adjacent terminal devices by parallel control signals 28 to 30.
The number comparators 24 to 27 are constituted by logic circuits and compare the system numbers of the adjacent terminal devices with the system numbers of the own terminal devices. The intra-station transmission line signals 17 to 19 indicate transmission line signals inside the station, are branched in each terminal device, one is transmitted as an inter-station working transmission line signal 21 to 23, and the other is input to the protection switches 14 to 16. Is done. The terminal device 1 is connected to the inter-station backup transmission line 20, and is connected to one of the inter-station working transmission lines 21 to 23.
Protection switch switched if one breaks down
The defective inter-station working transmission line is remedied by passing through 13-16.
システムの制御部10は自端局装置のプロテクションス
イッチ14を制御するほかに、他端局装置の制御部9,11,1
2にも制御バス上のシリアル通信によって命令を与え、
それぞれのプロテクションスイッチを制御している。The control unit 10 of the system controls the protection switch 14 of the own terminal station device, and also controls the control units 9, 11, 1 of the other end station device.
The command is also given to 2 by serial communication on the control bus,
It controls each protection switch.
各制御部９〜12端局装置前面の番号設定スイッチ５〜
８で設定された値を自端局装置システム番号として認識
している。また、番号比較器24〜27の比較結果により隣
接する端局装置と自端局装置とのシステム番号の大小関
係が不整合（間違っている）とき制御を停止し、警報を
出力する。Each control unit 9-12 Number setting switch 5 on the front of the terminal unit
The value set at 8 is recognized as the own terminal station system number. Further, when the magnitude relation of the system numbers of the adjacent terminal equipment and the own terminal equipment is inconsistent (wrong) based on the comparison result of the number comparators 24 to 27, the control is stopped and an alarm is output.
また、制御部10は各端局装置のシステム番号をアドレ
スとして他の制御部9,11,12に命令を与える。Further, the control unit 10 gives an instruction to the other control units 9, 11, and 12 using the system number of each terminal device as an address.
このようにすると、端局装置１のシステム番号を０
番、端局装置２のシステム番号を１番、以下、２番、３
番…と局間予備伝送路20から離れる程、数字が大きくな
るようにシステム番号を付与し、番号比較器24〜27が隣
接する端局装置のシステム番号が自端局装置のシステム
番号との大小関係が不整合の場合にはそれぞれの制御部
に通知して制御を停止させ、警報を発生させることがで
きる。大小関係が不整合ということは設定されたシステ
ム番号順に各端居装置が接続されていないことである。By doing so, the system number of the terminal device 1 is set to 0
Number, the system number of the terminal device 2 is 1,
The system numbers are assigned so that the numbers become larger as the distance from the inter-station backup transmission line 20 increases, and the number comparators 24 to 27 determine whether the system number of the adjacent terminal station is equal to the system number of the own terminal station. When the magnitude relationship is inconsistent, the respective control units are notified and the control is stopped, and an alarm can be generated. The fact that the magnitude relationship is inconsistent means that the terminal devices are not connected in the order of the set system numbers.
以上説明したように本発明は、隣接する端局装置と自
端局装置との設定されたシステム番号の大小を比較する
手段を備えることにより、端局装置間の接続が誤ってい
る場合には制御部に通知して誤った制御が行われないよ
うにし、かつ、警報を発生して保守者に通知することが
できるという効果を有する。As described above, the present invention includes means for comparing the size of the set system number between the adjacent terminal device and the own terminal device, so that when the connection between the terminal devices is incorrect, There is an effect that the control unit is notified so that erroneous control is not performed, and an alarm can be generated to notify the maintenance person.
第１図は本発明の一実施例を示すブロック図、第２図は
従来例の装置間接続方式の一例のブロック図である。 １〜４……端局装置、５〜８……番号設定スイッチ、９
〜12……制御部、13〜16……プロテクションスイッチ、
17〜19……局内伝送路信号、20……局間予備伝送路信
号、21〜23……局間現用伝送路信号、24〜27……番号比
較器、28〜30……パラレル制御信号。FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a block diagram showing an example of a conventional device connection method. 1-4 terminal station devices, 5-8 number setting switches, 9
~ 12 ... Control unit, 13 ~ 16 ... Protection switch,
17 to 19: intra-station transmission line signal, 20: inter-station spare transmission line signal, 21 to 23: inter-station working transmission line signal, 24 to 27: number comparator, 28 to 30: parallel control signal.
Claims (2)
番号が設定される複数の端局装置が前記設定番号の大小
順に接続されるべき装置間接続方式において、隣接する
前記端局装置にパラレル制御信号を用いて各端局装置の
前記設定番号が通知される手段と、通知された前記設定
番号と自端局装置の設定番号との比較結果が大小順を満
たしていないとき、制御を停止し、異常を隣接する端局
装置に通知する手段を有することを特徴とする装置間接
続方式。In a device connection system in which a plurality of terminal devices, each of which has a unique number set in advance from the outside, are to be connected in descending order of the set number, a parallel control signal is transmitted to the adjacent terminal devices. Means that the setting number of each terminal device is notified by using, and when the comparison result of the notified setting number and the setting number of the own terminal device does not satisfy the order of magnitude, stop the control, An inter-device connection method, comprising means for notifying an abnormality to an adjacent terminal device.
満たしていないとき警報を出力することを特徴とする請
求項１記載の装置間接続方式。2. The inter-device connection system according to claim 1, wherein each of the terminal devices outputs an alarm when the comparison result does not satisfy the order of magnitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28389290A JP2591317B2 (en) | 1990-10-22 | 1990-10-22 | Device connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28389290A JP2591317B2 (en) | 1990-10-22 | 1990-10-22 | Device connection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04157929A JPH04157929A (en) | 1992-05-29 |
| JP2591317B2 true JP2591317B2 (en) | 1997-03-19 |
Family
ID=17671537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28389290A Expired - Lifetime JP2591317B2 (en) | 1990-10-22 | 1990-10-22 | Device connection method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2591317B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57142043A (en) * | 1981-02-27 | 1982-09-02 | Hitachi Ltd | Optical multiplexing signal transmission system |
| JPS62216429A (en) * | 1986-03-17 | 1987-09-24 | Nec Corp | Transmission line switching system |
| JPS6310919A (en) * | 1986-07-02 | 1988-01-18 | Nec Corp | Hot standby switching system |
-
1990
- 1990-10-22 JP JP28389290A patent/JP2591317B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04157929A (en) | 1992-05-29 |
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