JPS63152331U - - Google Patents
Info
- Publication number
- JPS63152331U JPS63152331U JP1987043078U JP4307887U JPS63152331U JP S63152331 U JPS63152331 U JP S63152331U JP 1987043078 U JP1987043078 U JP 1987043078U JP 4307887 U JP4307887 U JP 4307887U JP S63152331 U JPS63152331 U JP S63152331U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- signal
- board
- alarm instruction
- repeater
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Optical Communication System (AREA)
- Dc Digital Transmission (AREA)
Description
第１図は、本考案による一実施例を示す回路構
成図である。第２図は、一般的な光中継器のシス
テムブロツク図である。第３図は、従来の光中継
器のＡＩＳ信号送出回路例を示す回路構成図であ
る。
１……光受信盤、２……光送信盤、３……発振
盤、４，２４……光入力信号、５，２５……デー
タ信号、６，２６……クロツク信号、７，２７…
…ＡＩＳクロツク信号、８，２８……光出力信号
、９……光中継器、１０，２０……光送受信部、
１１……切換え部、１２……電気・光変換部、１
３……地気信号、１４……アラーム信号、１５…
…エラーアラーム信号、１６……ＡＩＳ信号、１
７……切換え制御信号、１８……切換え部データ
出力、１９……切換え部クロツク出力、３１……
インバータ、３２，３４……アンド回路、３３…
…Ｄ形フリツプフロツプ。
FIG. 1 is a circuit diagram showing an embodiment of the present invention. FIG. 2 is a system block diagram of a general optical repeater. FIG. 3 is a circuit configuration diagram showing an example of an AIS signal sending circuit of a conventional optical repeater. 1... Optical receiving board, 2... Optical transmitting board, 3... Oscillator board, 4, 24... Optical input signal, 5, 25... Data signal, 6, 26... Clock signal, 7, 27...
...AIS clock signal, 8, 28... Optical output signal, 9... Optical repeater, 10, 20... Optical transceiver section,
11...Switching section, 12...Electrical/optical conversion section, 1
3...earth signal, 14...alarm signal, 15...
...Error alarm signal, 16...AIS signal, 1
7...Switching control signal, 18...Switching unit data output, 19...Switching unit clock output, 31...
Inverter, 32, 34...AND circuit, 33...
...D-type flip-flop.
Claims (1)
光中継器において、受信したデータ信号と警報指
示信号を切換える切換え部と、少なくとも光受信
盤内部の地気信号を含む複数の信号の論理積を制
御信号として前記切換え部に入力する手段を有す
ることを特徴とする光中継器の警報指示信号送出
回路。 In an optical repeater in which the optical transmitter/receiver is composed of an optical receiver board and an optical transmitter board, there is a switching part that switches between the received data signal and the alarm instruction signal, and the logic of multiple signals including at least the earth signal inside the optical receiver board. 1. An alarm instruction signal sending circuit for an optical repeater, comprising means for inputting a product as a control signal to the switching section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987043078U JPH071870Y2 (en) | 1987-03-24 | 1987-03-24 | Optical repeater alarm instruction signal transmission circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987043078U JPH071870Y2 (en) | 1987-03-24 | 1987-03-24 | Optical repeater alarm instruction signal transmission circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63152331U true JPS63152331U (en) | 1988-10-06 |
| JPH071870Y2 JPH071870Y2 (en) | 1995-01-18 |
Family
ID=30859596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987043078U Expired - Lifetime JPH071870Y2 (en) | 1987-03-24 | 1987-03-24 | Optical repeater alarm instruction signal transmission circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071870Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005167935A (en) * | 2003-12-05 | 2005-06-23 | Fujitsu Ltd | Optical transmission device and optical transmission system |
| JP2007013816A (en) * | 2005-07-01 | 2007-01-18 | Nec Corp | Optical transmitter and barier information transmitting method used for optical transmitter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60148255A (en) * | 1984-01-12 | 1985-08-05 | Mitsubishi Electric Corp | Safety device |
| JPS61202547A (en) * | 1985-03-06 | 1986-09-08 | Fujitsu Ltd | System for supervising margin of repeater |
-
1987
- 1987-03-24 JP JP1987043078U patent/JPH071870Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60148255A (en) * | 1984-01-12 | 1985-08-05 | Mitsubishi Electric Corp | Safety device |
| JPS61202547A (en) * | 1985-03-06 | 1986-09-08 | Fujitsu Ltd | System for supervising margin of repeater |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005167935A (en) * | 2003-12-05 | 2005-06-23 | Fujitsu Ltd | Optical transmission device and optical transmission system |
| JP4516739B2 (en) * | 2003-12-05 | 2010-08-04 | 富士通株式会社 | Optical transmission device and optical transmission system |
| JP2007013816A (en) * | 2005-07-01 | 2007-01-18 | Nec Corp | Optical transmitter and barier information transmitting method used for optical transmitter |
| JP4586653B2 (en) * | 2005-07-01 | 2010-11-24 | 日本電気株式会社 | Optical transmission device and fault information transmission method used for the optical transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH071870Y2 (en) | 1995-01-18 |
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