JPS62200830A - Optical repeater - Google Patents
Optical repeaterInfo
- Publication number
- JPS62200830A JPS62200830A JP61041705A JP4170586A JPS62200830A JP S62200830 A JPS62200830 A JP S62200830A JP 61041705 A JP61041705 A JP 61041705A JP 4170586 A JP4170586 A JP 4170586A JP S62200830 A JPS62200830 A JP S62200830A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- contact
- circuit
- transmission
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 89
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Optical Communication System (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は光中継器、特に伝送方向の切り替えが可能な光
中継器に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an optical repeater, and particularly to an optical repeater capable of switching transmission directions.
従来の光中継器は、第５図に示すように、片方向にのみ
伝送可能な光受信・送信回路（再生中継器回路） ５１
．５２を有しており、このような光中継器５０では、各
光受信・送信回路は片方向の伝送にのみ寄与している。As shown in FIG. 5, a conventional optical repeater is an optical receiving/transmitting circuit (regenerative repeater circuit) that can transmit data only in one direction.51
．． 52, and in such an optical repeater 50, each optical receiving/transmitting circuit contributes only to one-way transmission.
上述した従来の光中継器は片側一方向のみの伝送方式で
あり、伝送容量を可変することができないという欠点が
ある。The above-mentioned conventional optical repeater is a one-sided, unidirectional transmission system, and has the disadvantage that the transmission capacity cannot be varied.
本発明の目的は、このような欠点を除去した光中継器を
提供することにある。An object of the present invention is to provide an optical repeater that eliminates such drawbacks.
本発明の光中継器は、再生中継回路の入力及び出力回路
を少な（とも光スイッチで構成し、光スイッチを制御す
ることにより伝送方向の切替えを可能にしたことを特徴
としている。The optical repeater of the present invention is characterized in that the input and output circuits of the regenerative repeater circuit are both composed of optical switches, and the transmission direction can be switched by controlling the optical switches.
次に、本発明の実施例について図面を参照して説明する
。Next, embodiments of the present invention will be described with reference to the drawings.
第１図は本発明の第１の実施例を示している。FIG. 1 shows a first embodiment of the invention.
この光中継器１１は、第５図に示した従来の光中継器と
同様に、２個の光受信・送信回路（再生中継器回路）９
及び１０を備えている。光受信・送信回路９の入力及び
出力は、それぞれ光分岐器１及び２を介してＩＸ２光ス
イッチ５及び６に接続されている。光スイッチ５はＡ側
の伝送路１２に、光スイッチ６はＢ側の伝送路１３に接
続されている。Similar to the conventional optical repeater shown in FIG. 5, this optical repeater 11 includes two optical receiving/transmitting circuits (regenerative repeater circuits) 9.
and 10. The input and output of the optical receiving/transmitting circuit 9 are connected to IX2 optical switches 5 and 6 via optical branchers 1 and 2, respectively. The optical switch 5 is connected to the transmission line 12 on the A side, and the optical switch 6 is connected to the transmission line 13 on the B side.
一方、光受信・送信回路１０の出力及び入力は、それぞ
れ光分岐器３及び４を介して１×２光スイツチ７及び８
に接続されている。光スイッチ７はＡ側の伝送路１４に
、光スイッチ８はＢ側の伝送路１５に接続されている。On the other hand, the output and input of the optical receiving/transmitting circuit 10 are connected to 1×2 optical switches 7 and 8 via optical branchers 3 and 4, respectively.
It is connected to the. The optical switch 7 is connected to the transmission line 14 on the A side, and the optical switch 8 is connected to the transmission line 15 on the B side.
以上のような構成の光中継器１１において、通常、光ス
イッチ５，６，７．８は図示のように接点ａ側に切り替
えられている。このような状態では、光受信・送信回路
９は光信号をＡ側からＢ側に伝送し、光受信・送信回路
１０は光信号をＢ側からＡ側に伝送する。In the optical repeater 11 configured as described above, the optical switches 5, 6, 7.8 are normally switched to the contact a side as shown in the figure. In this state, the optical receiving/transmitting circuit 9 transmits the optical signal from the A side to the B side, and the optical receiving/transmitting circuit 10 transmits the optical signal from the B side to the A side.
ここで、光受信・送信回路９が光信号を逆方向に（Ｂ側
からＡ側）に伝送できるようにするには、光スイッチ５
．６を接点す側に切り替える。また、光受信・送信回路
ｌＯが光信号を逆方向（Ａ側がらＢ側）に伝送できるよ
うにするには、光スイッチ７．８を接点す側に切り替え
る。Here, in order to enable the optical receiving/transmitting circuit 9 to transmit the optical signal in the opposite direction (from the B side to the A side), the optical switch 5
．． Switch 6 to the contact side. Further, in order to enable the optical receiving/transmitting circuit IO to transmit an optical signal in the opposite direction (from the A side to the B side), the optical switch 7.8 is switched to the contact side.
以上のように本実施例の光中継器１１によれば、２個の
光受信・送信回路をそれぞれ画伝送方向に切り替えるこ
とができる。As described above, according to the optical repeater 11 of this embodiment, the two optical receiving/transmitting circuits can be switched in the image transmission direction.
第２図は、本発明の第２の実施例を示す。この光中継器
は１個の光受信・送信回路２５を備えており、この光受
信・送信回路の入力及び出力は、それぞれ１×２光スイ
ツチ２４及２３を介して光分岐器２１及び２２に接続さ
れている。光分岐器２１はＡ側の伝送路２６に接続され
、光分岐器２２はＢ側の伝送路２７に接続されている。FIG. 2 shows a second embodiment of the invention. This optical repeater is equipped with one optical receiving/transmitting circuit 25, and the input and output of this optical receiving/transmitting circuit are sent to optical branchers 21 and 22 via 1×2 optical switches 24 and 23, respectively. It is connected. The optical splitter 21 is connected to the transmission line 26 on the A side, and the optical splitter 22 is connected to the transmission line 27 on the B side.
このような構造の光中継器では、光スイッチ２３゜２４
を図示のようにａ接点側に切り替えればＡ側からＢ側に
光信号を伝送することができる。また、光スイッチ２３
．２４をｂ接点側に切り替えればＢ側からＡ側に光信号
を伝送することができる。In an optical repeater with such a structure, optical switches 23° and 24
If the switch is switched to the A contact side as shown in the figure, an optical signal can be transmitted from the A side to the B side. In addition, the optical switch 23
．． By switching 24 to the b contact side, an optical signal can be transmitted from the B side to the A side.
第３図は、本発明の第３の実施例を示す。この光中継器
は１個の光受信・送信回路３５を備えており、この光受
信・送信回路の入力及び出力は、それぞれ１×２光スイ
ツチ３４及び３３を介して１×２光スイツチ３１及び３
２に接続されている。光スイッチ３１はＡ側の伝送路３
６に接続され、光スイッチ３２はＢ側の伝送路３７に接
続されている。FIG. 3 shows a third embodiment of the invention. This optical repeater is equipped with one optical receiving/transmitting circuit 35, and the input and output of this optical receiving/transmitting circuit are connected to 1×2 optical switches 31 and 33 via 1×2 optical switches 34 and 33, respectively. 3
Connected to 2. The optical switch 31 is the transmission line 3 on the A side.
6, and the optical switch 32 is connected to the B-side transmission line 37.
このような構造の光中継器では、光スイッチ３１．３２
，３３．３４を図示のようにａ接点側に切り替えればＡ
側からＢ側に光信号を伝送することができる。In an optical repeater with such a structure, optical switches 31, 32
, 33. If you switch 34 to the a contact side as shown, A
Optical signals can be transmitted from the side to the B side.
また、光スイッチ３１．３２．３３．３４をｂ接点側に
切り替えればＢ側からＡ側に光信号を伝送することがで
きる。Furthermore, by switching the optical switches 31, 32, 33, and 34 to the b contact side, an optical signal can be transmitted from the B side to the A side.
第４図は、本発明の第４の実施例を示す。この光中継器
は１個の光受信・送信回路４２を備えており、この光受
信・送信回路の入力及び出力は２×２光スイツチ４１を
介して、Ａ側の伝送路４３及びＢ側の伝送路４４にそれ
ぞれ接続されている。FIG. 4 shows a fourth embodiment of the invention. This optical repeater is equipped with one optical receiving/transmitting circuit 42, and the input and output of this optical receiving/transmitting circuit are transmitted via a 2x2 optical switch 41 to a transmission line 43 on the A side and a transmission line 43 on the B side. Each is connected to a transmission line 44.
このような構造の光中継器では、光スイッチ４１におい
て図示のように、ａ接点とＣ接点が接続され、ｂ接点と
ｄ接点が接続される場合には、Ａ側からＢ側に光信号を
伝送することができる。また、光スイッチ４１が切り替
えられて、ａ接点がｄ接点に接続され、ｂ接点がＣ接点
に接続されると、Ｂ側からＡ側に光信号を伝送すること
ができる。In an optical repeater having such a structure, as shown in the figure, in the optical switch 41, when the a contact and the C contact are connected, and the b contact and the d contact are connected, an optical signal is transmitted from the A side to the B side. can be transmitted. Further, when the optical switch 41 is switched and the a contact is connected to the d contact and the b contact is connected to the c contact, an optical signal can be transmitted from the B side to the A side.
以上説明したように本発明によれば、少なくとも光スイ
ッチを使用することにより、伝送方向の切り替えができ
、従って伝送容量を可変できるという効果がある。As explained above, according to the present invention, by using at least an optical switch, the transmission direction can be switched, and therefore the transmission capacity can be varied.
第１図は本発明の光中継器の第１の実施例を示す図、 第２図は本発明の光中継器の第２の実施例を示す図、 第３図は本発明の光中継器の第３の実施例を示す図、 第４図は本発明の光中継器の第４の実施例を示す図、 第５図は従来の光中継器を示す図である。 FIG. 1 is a diagram showing a first embodiment of the optical repeater of the present invention, FIG. 2 is a diagram showing a second embodiment of the optical repeater of the present invention, FIG. 3 is a diagram showing a third embodiment of the optical repeater of the present invention, FIG. 4 is a diagram showing a fourth embodiment of the optical repeater of the present invention, FIG. 5 is a diagram showing a conventional optical repeater.
Claims (1)
スイッチで構成し、光スイッチを制御することにより伝
送方向の切り替えを可能にしたことを特徴とする光中継
器。(1) An optical repeater characterized in that the input and output circuits of the regenerative repeater circuit are constructed of at least optical switches, and the transmission direction can be switched by controlling the optical switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61041705A JPS62200830A (en) | 1986-02-28 | 1986-02-28 | Optical repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61041705A JPS62200830A (en) | 1986-02-28 | 1986-02-28 | Optical repeater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62200830A true JPS62200830A (en) | 1987-09-04 |
Family
ID=12615840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61041705A Pending JPS62200830A (en) | 1986-02-28 | 1986-02-28 | Optical repeater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62200830A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5296957A (en) * | 1990-09-18 | 1994-03-22 | Fujitsu Limited | Optical repeater having loop-back function used in transmission system |
| GB2596845A (en) * | 2020-07-09 | 2022-01-12 | British Telecomm | Optical signal transmission |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5757041A (en) * | 1980-09-22 | 1982-04-06 | Nippon Telegr & Teleph Corp <Ntt> | Relay transmission system |
-
1986
- 1986-02-28 JP JP61041705A patent/JPS62200830A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5757041A (en) * | 1980-09-22 | 1982-04-06 | Nippon Telegr & Teleph Corp <Ntt> | Relay transmission system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5296957A (en) * | 1990-09-18 | 1994-03-22 | Fujitsu Limited | Optical repeater having loop-back function used in transmission system |
| GB2596845A (en) * | 2020-07-09 | 2022-01-12 | British Telecomm | Optical signal transmission |
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