JPH0389402U - - Google Patents
Info
- Publication number
- JPH0389402U JPH0389402U JP15088289U JP15088289U JPH0389402U JP H0389402 U JPH0389402 U JP H0389402U JP 15088289 U JP15088289 U JP 15088289U JP 15088289 U JP15088289 U JP 15088289U JP H0389402 U JPH0389402 U JP H0389402U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- circuit
- signals
- star coupler
- output
- 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
- 230000003287 optical effect Effects 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012806 monitoring device Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Optical Communication System (AREA)
Description
第１図は本考案の一実施例を示す光スターカプ
ラのブロツク図、第２図は第１図に示す光スター
カプラを用いた光ローカルネツトワークの伝送路
構成図である。
１……光伝送路、２……光コネクタ、３……光
受信器、４……信号合成回路、５……光送信器、
６……インタフエース回路、７……光伝送路監視
装置インタフエースコネクタ、８……光スターカ
プラ、９……端末、１０……光伝送路監視装置、
１１……光伝送路障害部。
FIG. 1 is a block diagram of an optical star coupler showing an embodiment of the present invention, and FIG. 2 is a diagram showing a transmission path configuration of an optical local network using the optical star coupler shown in FIG. 1. 1... Optical transmission line, 2... Optical connector, 3... Optical receiver, 4... Signal synthesis circuit, 5... Optical transmitter,
6... Interface circuit, 7... Optical transmission line monitoring device interface connector, 8... Optical star coupler, 9... Terminal, 10... Optical transmission line monitoring device,
11...Optical transmission line fault section.
Claims (1)
の光受信器と、前記光受信器から出力される光信
号の論理和をとる信号合成回路と、前記信号合成
回路の入出力電気信号を監視するために外部に設
けられた光伝送路監視装置に対するインタフエー
ス回路と、前記信号合成回路からの出力信号を光
伝送路上へ送出する複数の光送信器とを有するこ
とを特徴とする光スターカプラ。 ２ 請求項１記載のスターカプラにおいて、イン
ターフエース回路は光伝送路監視装置が信号合成
回路の入出力電気信号をリアルタイムに制御およ
び監視しうるように設けられたことを特徴とする
光スターカプラ。 ３ 請求項１記載の光スターカプラにおいて、光
伝送路全体を流れるすべての光信号をリアルタイ
ムに電気信号として監視することができ且つ特定
端末あての送信信号を送出することのできる光伝
送路監視装置用のインタフエース回路を有するこ
とを特徴とする光スターカプラ。[Claims for Utility Model Registration] 1. A plurality of optical receivers disposed corresponding to a plurality of channels, a signal synthesis circuit for ORing optical signals output from the optical receivers, and a signal synthesis circuit for calculating the logical sum of optical signals output from the optical receivers, and the signal synthesis circuit It has an interface circuit for an optical transmission path monitoring device provided externally to monitor input and output electrical signals of the circuit, and a plurality of optical transmitters that send output signals from the signal combining circuit onto the optical transmission path. An optical star coupler characterized by: 2. The optical star coupler according to claim 1, wherein the interface circuit is provided so that an optical transmission path monitoring device can control and monitor input and output electrical signals of the signal combining circuit in real time. 3. In the optical star coupler according to claim 1, an optical transmission line monitoring device capable of monitoring all optical signals flowing through the entire optical transmission line as electrical signals in real time and sending out transmission signals addressed to a specific terminal. An optical star coupler characterized by having an interface circuit for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15088289U JPH0389402U (en) | 1989-12-27 | 1989-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15088289U JPH0389402U (en) | 1989-12-27 | 1989-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0389402U true JPH0389402U (en) | 1991-09-12 |
Family
ID=31697214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15088289U Pending JPH0389402U (en) | 1989-12-27 | 1989-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0389402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005248679A (en) * | 2004-03-04 | 2005-09-15 | Toshiaki Ishiyama | Underground water content adjustment system |
-
1989
- 1989-12-27 JP JP15088289U patent/JPH0389402U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005248679A (en) * | 2004-03-04 | 2005-09-15 | Toshiaki Ishiyama | Underground water content adjustment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR900006789B1 (en) | Loop transmission system having automatic loop configuration control means | |
| JPH0389402U (en) | ||
| JP3354620B2 (en) | AV network | |
| JP2636326B2 (en) | Communication network monitoring system | |
| JPS56108138A (en) | Monitor system for computer system | |
| JPH0384986U (en) | ||
| JPS596035Y2 (en) | Television receiver remote control switch circuit | |
| JPH0735499Y2 (en) | CATV bidirectional relay amplifier | |
| JPH02108197U (en) | ||
| JPS63173943U (en) | ||
| JPH0446737U (en) | ||
| JPH0384661U (en) | ||
| JPH0392038A (en) | Time setting system for network constitution equipment | |
| JPS5848157U (en) | PCM repeater monitoring circuit | |
| JPS6338131B2 (en) | ||
| JPH0546894A (en) | Multiplex transmitter | |
| JPS599665U (en) | Telemeter device | |
| JPH0714160B2 (en) | Remote monitoring controller | |
| JPH0433195U (en) | ||
| JPS63123200A (en) | Automatic telemetering system utilizing catv circuit | |
| JPS63120441U (en) | ||
| JPS59118374U (en) | Remote monitoring control device | |
| JPS5811384U (en) | remote control device | |
| JPS59161934A (en) | Remote supervisory and controlling equipment | |
| JPS5972059U (en) | loop transmission network |