JPS6448954U - - Google Patents
Info
- Publication number
- JPS6448954U JPS6448954U JP1987142976U JP14297687U JPS6448954U JP S6448954 U JPS6448954 U JP S6448954U JP 1987142976 U JP1987142976 U JP 1987142976U JP 14297687 U JP14297687 U JP 14297687U JP S6448954 U JPS6448954 U JP S6448954U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- auxiliary signal
- optical transmission
- bits
- auxiliary
- 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
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 1
Landscapes
- Dc Digital Transmission (AREA)
- Optical Communication System (AREA)
Description
第１図は本考案の光伝送装置の一実施例を示す
伝送符号のフレーム構成図、第２図は光伝送系の
ブロツク図、第３図は従来例のフレーム構成図で
ある。
１……端局装置、２……光フアイバーケーブル
、３……中継装置、ＡＵＸ……予備ビツト、Ｆ１
〜Ｆ４……フレーム同期ビツト、Ｐ……パリテイ
ビツト。
FIG. 1 is a frame configuration diagram of a transmission code showing an embodiment of the optical transmission device of the present invention, FIG. 2 is a block diagram of an optical transmission system, and FIG. 3 is a frame configuration diagram of a conventional example. 1...Terminal equipment, 2...Optical fiber cable, 3...Relay device, AUX...Spare bit, F1
~F4...Frame synchronization bit, P...Parity bit.
Claims (1)
有し且つ補助信号に比べて警報信号が低速である
光伝送装置において、補助信号の各ビツトを所定
配列の２ビツトに変換し、警報信号を伝送すると
きは前記所定配列の規則に違反させて補助信号に
警報信号を重畳する光伝送装置。 In an optical transmission device that has auxiliary signal bits in one frame of the transmission signal and the alarm signal is slower than the auxiliary signal, each bit of the auxiliary signal is converted to 2 bits in a predetermined arrangement and the alarm signal is transmitted. an optical transmission device that superimposes an alarm signal on an auxiliary signal in violation of the predetermined arrangement rule when
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987142976U JPS6448954U (en) | 1987-09-21 | 1987-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987142976U JPS6448954U (en) | 1987-09-21 | 1987-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6448954U true JPS6448954U (en) | 1989-03-27 |
Family
ID=31409381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987142976U Pending JPS6448954U (en) | 1987-09-21 | 1987-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6448954U (en) |
-
1987
- 1987-09-21 JP JP1987142976U patent/JPS6448954U/ja active Pending
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