JPS63169727U - - Google Patents
Info
- Publication number
- JPS63169727U JPS63169727U JP1987060418U JP6041887U JPS63169727U JP S63169727 U JPS63169727 U JP S63169727U JP 1987060418 U JP1987060418 U JP 1987060418U JP 6041887 U JP6041887 U JP 6041887U JP S63169727 U JPS63169727 U JP S63169727U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- standby
- systems
- active
- 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.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Communication System (AREA)
Description
第１図ａ，ｂ，ｃは本考案の光フアイバ伝送シ
ステムの一実施例を示す構成図、第２図ａは実施
例および従来例の一方のルートに障害が生じたと
きの回線救済率を示す図、第２図ｂは実施例およ
び従来例の光線路装置の設置数を示す図、第３図
ａ，ｂ，ｃは従来の光フアイバ伝送システムの構
成図である。
Ｗ……現用系光線路システム、Ｓ……待機系光
線路システム、Ｏ……自動切替スイツチ、―●―
……多重化装置。
Figures 1a, b, and c are block diagrams showing one embodiment of the optical fiber transmission system of the present invention, and Figure 2a shows the line rescue rate when a failure occurs in one route of the embodiment and the conventional example. FIG. 2b is a diagram showing the number of optical line devices installed in the embodiment and the conventional example, and FIGS. 3a, b, and c are configuration diagrams of a conventional optical fiber transmission system. W... Active optical line system, S... Standby optical line system, O... Automatic changeover switch, -●-
...Multiplexing device.
Claims (1)
の切替手段を含む局間で光フアイバ線路により信
号の伝送を行なう光フアイバ伝送システムであつ
て、対向する２局間の光フアイバ線路が２つのル
ートに分けられている光フアイバ伝送システムに
おいて、 現用系、待機系の各１台に収容される伝送回線
容量をＮ、対向する２局間の必要伝送回線数をＭ
（＝ｎ・Ｎ、ｎは１以上の整数）としたとき、ｎ
が奇数の場合、現用系、待機系の数はそれぞれｎ
、１であり、ｎが偶数の場合、現用系、待機系の
数がともに１の第１系と、現用系、待機系の数が
それぞれ（ｎ―１）、１の第２系とから光線路装
置がなり、第１系、第２系の各待機系は互に別の
ルートの光フアイバ線路内に収容されていること
を特徴とする光フアイバ伝送システム。[Scope of Claim for Utility Model Registration] An optical fiber transmission system in which an optical line device is divided into a working system and a standby system, and signals are transmitted between stations by optical fiber lines including switching means, wherein two opposing In an optical fiber transmission system where the optical fiber line between stations is divided into two routes, the transmission line capacity accommodated in each of the active system and standby system is N, and the required number of transmission lines between two opposing stations is M
(=n・N, n is an integer greater than or equal to 1), then n
If is an odd number, the number of active and standby systems is n.
, 1, and n is an even number, the rays from the first system where the number of active systems and standby systems are both 1, and the second system where the numbers of active systems and standby systems are (n-1) and 1, respectively. 1. An optical fiber transmission system characterized in that the standby systems of the first system and the second system are accommodated in optical fiber lines of different routes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987060418U JPS63169727U (en) | 1987-04-20 | 1987-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987060418U JPS63169727U (en) | 1987-04-20 | 1987-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63169727U true JPS63169727U (en) | 1988-11-04 |
Family
ID=30892812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987060418U Pending JPS63169727U (en) | 1987-04-20 | 1987-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63169727U (en) |
-
1987
- 1987-04-20 JP JP1987060418U patent/JPS63169727U/ja active Pending
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