JPS63250619A - Optical repeater - Google Patents
Optical repeaterInfo
- Publication number
- JPS63250619A JPS63250619A JP62085461A JP8546187A JPS63250619A JP S63250619 A JPS63250619 A JP S63250619A JP 62085461 A JP62085461 A JP 62085461A JP 8546187 A JP8546187 A JP 8546187A JP S63250619 A JPS63250619 A JP S63250619A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- shutter
- signal
- regenerating
- gate
- 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 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000001172 regenerating effect Effects 0.000 abstract 9
- 230000008929 regeneration Effects 0.000 description 10
- 238000011069 regeneration method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Dc Digital Transmission (AREA)
- Optical Communication System (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明は光段折り返し機能を汀する光中継器に関する。[Detailed description of the invention] Industrial applications The present invention relates to an optical repeater having an optical stage folding function.
従来の技術
従来、光中継器の監視方法は、対向の信号を無信号とし
、端局側からの遠隔操作により行っており、監視終了時
には折り返し機能解除の信号を送出していた。2. Description of the Related Art Conventionally, optical repeaters have been monitored by making the opposing signals silent and by remote control from the end station, and when the monitoring is completed, a return signal is sent to cancel the function.
第２図は従来における光中継器のブロック図である。FIG. 2 is a block diagram of a conventional optical repeater.
発明が解決しようとする問題点
しかしながら、上述した従来の方法では、第２図におい
て、１−りから下りの折り返しを行ったのちに、折り返
し機能解除を送出せすに下りがら上りの折り返しを行う
と、その光中継器の中の折り返し伝送路でループができ
、−１ユリ又は下りからの信号を判別できなくなる。Problems to be Solved by the Invention However, in the conventional method described above, as shown in FIG. Then, a loop is formed in the return transmission path in the optical repeater, making it impossible to distinguish between -1 rays and signals from the downstream.
又、第３図において多中継の場合にも、Ｒｍの中継器で
、Ｌりから下りの折り返しを行ったのちに、折り返し機
能解除を送出せずにＲ１の中継器をドりから」−りの折
り返しを行うと、Ｒ１とＲＩＴＩの中継器でループがで
きてしまうという欠点があった。Also, in the case of multiple repeaters in Fig. 3, after the Rm repeater has looped back from L to down, the R1 repeater cannot be sent back without sending the return function release. When looping back, there was a drawback that a loop was created between the R1 and RITI repeaters.
本発明は従来の−に記実情に鑑みてなされたものであり
、従って本発明の目的は、従来の技術に内在するト記諸
欠点を解消することを可能とした新規な光中ｗ、器を提
供することにある。The present invention has been made in view of the existing circumstances, and therefore, an object of the present invention is to provide a novel optical medium, device, etc., which makes it possible to eliminate the above-mentioned drawbacks inherent in the conventional technology. Our goal is to provide the following.
問題点を解決するための手段
１−２目的を達成する為に、本発明に係る光中継器は、
再生回路の電気出力が遅延回路に接続され、この遅延回
路の出力と対向の１１１−主回路の電気出力が排他的論
理和の入力に接続され、この１ノ１他的論理和の出力が
シャッタ駆動回路に接続されて＋Ｍ成される。Means for Solving the Problems 1-2 In order to achieve the objective, the optical repeater according to the present invention has the following features:
The electrical output of the reproduction circuit is connected to a delay circuit, the output of this delay circuit and the electrical output of the opposite 111-main circuit are connected to the input of an exclusive OR, and the output of this one-to-one exclusive OR is connected to the shutter. +M is connected to the drive circuit.
実施例
次に本発明をその好ましい一実施例について図面を参照
して具体的に説明する。Embodiment Next, a preferred embodiment of the present invention will be specifically explained with reference to the drawings.
第１図は本発明に係る光中継器のブロック構成図である
。FIG. 1 is a block diagram of an optical repeater according to the present invention.
第１図を参照するに、再生回路１の電気出力はンヤソタ
駆動回路３と遅延回路７とゲート回路１０に接続され、
１１［主回路２の電気出力はシャッタ駆動回路４と遅延
回路８とゲート回路９に接続される。遅延回路７はゲー
ト回路９と接続され、ゲート回路９の出力はシャッタ駆
動回路３の入力となり、その出力はシャッタ５に接続さ
れる。遅延回路８はゲート回路ＩＯと接続され、ゲート
回路！０の出力はシャッタ駆動回路４の入力となり、そ
の出力はシャッタ６に接続される。Referring to FIG. 1, the electric output of the regeneration circuit 1 is connected to the Nyasota drive circuit 3, the delay circuit 7, and the gate circuit 10.
11 [The electrical output of the main circuit 2 is connected to the shutter drive circuit 4, the delay circuit 8, and the gate circuit 9. The delay circuit 7 is connected to a gate circuit 9, the output of the gate circuit 9 becomes the input of the shutter drive circuit 3, and the output thereof is connected to the shutter 5. The delay circuit 8 is connected to the gate circuit IO, and the gate circuit! The output of 0 becomes the input of the shutter drive circuit 4, and its output is connected to the shutter 6.
再生回路１の光出力はシャッタ５に接続され、／ヤノタ
５は再生回路２に１妾続され、１１Ｆ生回路２の光出力
は／ヤソタ６に接続され、シャッタ６は＋Ｉｒ生回主回
路接続される。ここでゲート回路９の２つの人力は同（
＋’を相となるように’Ｈ’ｔＬ回に’ｓ ７で調整さ
れ、ゲート回路１０の２つの人力は同位相となるように
遅延回路８で調整されている。The optical output of the regeneration circuit 1 is connected to the shutter 5, the /YANOTA 5 is connected to the regeneration circuit 2, the optical output of the 11F raw circuit 2 is connected to the /YASOTA 6, and the shutter 6 is connected to the +Ir regeneration main circuit. be done. Here, the two human powers of the gate circuit 9 are the same (
+' is adjusted by 's7 in H'tL times so that the phase is the same, and the delay circuit 8 is adjusted so that the two inputs of the gate circuit 10 are in the same phase.
次に本発明の動作について説明する。Next, the operation of the present invention will be explained.
１−りから下りの監視を行う場合には、下りをｊｉｊｊ
信号とし、伝送系は上り伝送路から再生回路１、シャッ
タ５、再生回路２を介して下り伝送路となる。この時、
ゲート回路９の２人力は同信号となるために、出力は“
Ｌｏｗ”となり、シャッタ５は開いたままである、
次に折り返し解除信号を送出せずに下りから」一つの監
視をするために折り返し構成信号を送出すると、伝送系
は、下り伝送路から再生回路２、シャッタ６、再生回路
１、シャッタ５、再生回路２とループができるが、この
時、ゲート回路９の２つの入力は異なるために、出力は
“Ｈｉ ｓｒ ｈ ”のパルスが出てシャンク駆動回路
３をリセットし、／ヤソタ５を閉じる動作を行い、伝送
系は下り伝送路から再生回路２、シャッタｅ、ｔｒｆ生
回路１を介して上り伝送路となる。When monitoring downhill from 1-river,
The transmission system starts from an upstream transmission path, passes through a reproducing circuit 1, a shutter 5, and a reproducing circuit 2, and becomes a downstream transmission path. At this time,
Since the two inputs of the gate circuit 9 have the same signal, the output is “
Next, without sending the loopback release signal, the loopback configuration signal is sent out to perform one monitoring, and the transmission system connects the downlink transmission path to the regeneration circuit , shutter 6, regeneration circuit 1, shutter 5, and regeneration circuit 2, but at this time, since the two inputs of gate circuit 9 are different, the output is a "Hi sr h" pulse and the shank drive circuit 3 and closes the /yasota 5, and the transmission system changes from the down transmission path to the up transmission path via the reproduction circuit 2, the shutter e, and the trf generation circuit 1.
発明の効果
以−Ｌ説明したように、本発明によれば、再生回路の電
気信号と折り返しによる対向の再生回路の電気信号とを
同位相でＩＪＩ他論理和をとることにより、中継器間で
のループが構成されないという効果が得られる。Effects of the Invention As described above, according to the present invention, the electric signal of the reproducing circuit and the electric signal of the opposing reproducing circuit by folding are logically ORed in the same phase, thereby transmitting the signal between the repeaters. The effect is that no loop is formed.
第１図は本発明に係る光中継器のブロック構成図、第２
図は従来における光中継器のブロック図、第３図はシス
テム時のブロック図である。
１．２９１．再生回路、３．４．、、シャッタ駆動回路
、５、Ｅ３．、、シャッタ、７．８８．、遅延回路、９
．１０．、、ゲート回路（ｉＪｌ他的論的論理和、Ｉ＋
、＋２１１．再生回路、１３、＋４．、、シャッタ駆動
回路、１５、Ｉｆｉ、、、シャッタ、＋７．、、中継Ｚ
′＃Ｒ１，１８，、。
中継器Ｒｍ１１９．．．中継器Ｒｎ
ｌ、２： 再生回路
３．４： 海り１ｗｌ動回路
５．６ ： ニヤツタ
７．８：ｉ！延回酪
９ｊＯ： Ｊ−ｒ′−ト回；６
第１図FIG. 1 is a block diagram of an optical repeater according to the present invention, and FIG.
The figure is a block diagram of a conventional optical repeater, and FIG. 3 is a block diagram of a system. 1.291. Regeneration circuit, 3.4. ,,Shutter drive circuit,5,E3. ,,Shutter,7.88. , delay circuit, 9
．． 10. ,, gate circuit (iJl transitive disjunction, I+
, +211. Regeneration circuit, 13, +4. ,,Shutter drive circuit, 15, Ifi, ,Shutter, +7. ,,Relay Z
'#R1,18,. Repeater Rm119. ．． ．． Relay Rn l, 2: Regeneration circuit 3.4: Sea 1wl dynamic circuit 5.6: Niyatsuta 7.8: i! Extended rotation 9jO: J-r'-t times; 6 Figure 1
Claims (1)
返し機能を有する光中継器において、再生回路信号を遅
延回路を通した信号と折り返した対向の再生回路信号と
を排他的論理和をとった信号により前記光シャッタ駆動
回路を駆動することを特徴とする光中継器。In an optical repeater having an optical shutter and a light stage folding function using a drive circuit of the optical shutter, a signal obtained by exclusive ORing a signal obtained by passing a reproduction circuit signal through a delay circuit and a folded opposing reproduction circuit signal. An optical repeater, characterized in that the optical shutter drive circuit is driven by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62085461A JPS63250619A (en) | 1987-04-07 | 1987-04-07 | Optical repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62085461A JPS63250619A (en) | 1987-04-07 | 1987-04-07 | Optical repeater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63250619A true JPS63250619A (en) | 1988-10-18 |
Family
ID=13859521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62085461A Pending JPS63250619A (en) | 1987-04-07 | 1987-04-07 | Optical repeater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63250619A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5930017A (en) * | 1997-12-15 | 1999-07-27 | Mci Communications Corporation | Method and system for maintaining an optical path |
-
1987
- 1987-04-07 JP JP62085461A patent/JPS63250619A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5930017A (en) * | 1997-12-15 | 1999-07-27 | Mci Communications Corporation | Method and system for maintaining an optical path |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3115752B2 (en) | Optical data transmitter | |
| JPH10199259A (en) | Data output method and circuit of semiconductor memory device | |
| JPS63250619A (en) | Optical repeater | |
| JP2828963B2 (en) | Data output control circuit for semiconductor memory device | |
| CA2025110A1 (en) | Method and device for driving multiple latching relays | |
| JP2826398B2 (en) | Loopback method in optical repeater system | |
| JPS57118448A (en) | Optical repeater | |
| SU1053298A1 (en) | Device for controlling data transmission channel | |
| JPH02125356A (en) | Bidirectional buffer circuit | |
| JP2542629B2 (en) | Optical repeater monitoring circuit | |
| JPS59212049A (en) | Ring network control system | |
| JPH01192231A (en) | Optical transmitter provided with external modulator | |
| JPS5997296A (en) | Remote control system | |
| JPS5846733A (en) | Folding monitor system of optical signal | |
| JP2589322B2 (en) | Optical repeater monitoring circuit | |
| JPS61118043A (en) | Repeater for remote supervisory and controlling equipment | |
| JPS62233940A (en) | Optical repeater | |
| JPS6271344A (en) | Method for setting address of terminal equipment of time division multiplx transmission device | |
| JPS59201547A (en) | Signal frame interruption transmitting circuit | |
| JPS5727330A (en) | Process control device | |
| JPH0279634A (en) | Bidirectional transmission signal regenerating device | |
| JPS55115754A (en) | Output selection circuit | |
| JPH04291532A (en) | Changeover device for digital transmission line | |
| JPS6097751A (en) | Signal transmission system in repeater | |
| JPS6331233A (en) | Optical repeater |