JPS59202764A - Terminal device power feeding system in optical network - Google Patents
Terminal device power feeding system in optical networkInfo
- Publication number
- JPS59202764A JPS59202764A JP58076130A JP7613083A JPS59202764A JP S59202764 A JPS59202764 A JP S59202764A JP 58076130 A JP58076130 A JP 58076130A JP 7613083 A JP7613083 A JP 7613083A JP S59202764 A JPS59202764 A JP S59202764A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- battery
- optical cable
- power supply
- terminal device
- 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 28
- 238000000034 method Methods 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Optical Communication System (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、交換機から光ケーブルで接続された端末へ給
電づる方式に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a system for supplying power from an exchange to a terminal connected by an optical cable.
従来の交換１；艮には、光ネッ１〜ワークを使用して４
ｊ４成ヅるものが知られており、この場合、その端末給
電は、そこに使用されている光ケーブルとはめに、光ケ
ーブル以外に電線を必ず設置しなければならないのが実
情である。一般には、その電源として商用電源を使用し
、その商用電源を電線によって端末へ送るようにしてい
る。Conventional exchange 1; 艮 uses optical network 1 to 4
In this case, in order to supply power to the terminal, it is necessary to install an electric wire in addition to the optical cable in conjunction with the optical cable used therein. Generally, a commercial power source is used as the power source, and the commercial power source is sent to the terminal via an electric wire.
しかし、上記実施例にあっては、商用電源の障害時には
、光ケーブルによって発呼、応答等の信号が正常に送ら
れているのに、端末が使用できないという問題があった
。また、端末に蓄電池を用いた場合には、起電力不足に
対処するためにその蓄電池を所定時に交換する必要が生
じ、その動作が煩雑であるという問題がある。However, in the above-mentioned embodiments, there is a problem in that when the commercial power supply fails, the terminal cannot be used even though signals such as call origination and response are normally sent through the optical cable. Further, when a storage battery is used in the terminal, there is a problem that the storage battery needs to be replaced at a predetermined time in order to cope with insufficient electromotive force, and its operation is complicated.
本発明は、上記従来の問題点に着目してなされたもので
、商用電源の障害時にも端末を使用することができ、ま
た、起電力不足による蓄電池の交換の必要がないように
した光ネットワークにおける端末給電方式を提供するこ
とを目的とするものである
この目的を達成するために、本発明は、交換機から光ケ
ーブルで接続された端末へ給電する方式ら前記端末へ向
う供給エネルギーを検出する手段と、前記供給エネルギ
ーによって充電する蓄電池とを、前記端末内に有し、前
記端末の制御用電源を前記蓄電池から供給し、前記交換
機の収容端末が空状態のとぎに、前記交換機から前記端
末へのｔ１８電を行なうことを特徴とするものである。The present invention has been made by focusing on the above-mentioned conventional problems, and is an optical network that allows terminals to be used even in the event of a failure of commercial power supply, and eliminates the need to replace storage batteries due to insufficient electromotive force. In order to achieve this object, the present invention provides a means for detecting the supplied energy directed to a terminal connected by an optical cable from a switching system. and a storage battery that is charged by the supplied energy in the terminal, power for controlling the terminal is supplied from the storage battery, and when a terminal accommodated in the exchange is in an empty state, the terminal is transferred from the exchange to the terminal. It is characterized by performing a t18 electric shock.
以下、添附図面に示す実施例に基づいて本発明を詳述す
る。図は本発明の一実施例を示ず回路図である。交換機
の端末収容部１０と電子端末３０どが光ケーブル２１．
２２によって接続されている。端末収容部１０は、信号
送受信回路１１と電光変換器１３と光電変換器１６と給
電回路１４と直流■止コンデンサ１２．１５とから構成
されている。信号送受信回路１１は、端末３０と信号を
送受４−るものであり、端末３０への給電周期中に、端
末３０が空状態か否かを検出し、もし空状態ならば、給
電回路１４を介して光クープル２１に光の直流成分を供
給させるものである。Hereinafter, the present invention will be described in detail based on embodiments shown in the accompanying drawings. The figure is a circuit diagram, not showing one embodiment of the present invention. The terminal housing section 10 of the exchange and the electronic terminal 30 are connected to the optical cable 21.
22. The terminal accommodating section 10 is composed of a signal transmitting/receiving circuit 11, an electro-optical converter 13, a photo-electric converter 16, a power supply circuit 14, and a DC blocking capacitor 12.15. The signal transmitting/receiving circuit 11 transmits and receives signals to and from the terminal 30, and detects whether or not the terminal 30 is in an empty state during the power supply cycle to the terminal 30, and if it is in an empty state, the power supply circuit 14 is activated. The DC component of light is supplied to the optical couple 21 through the optical coupler 21.
電光変換器１３は、交換機からの電気信号を光に変換す
るものであり、光電変換器１６は、端末３０からの光信
号を電気信号に変換するものである。The electro-optical converter 13 converts an electrical signal from the exchange into light, and the photo-electric converter 16 converts an optical signal from the terminal 30 into an electrical signal.
光ケーブル２１は、交換機からの光信号を端末３０に送
る信号ケーブルであり、光ケーブル２２は端末３０から
の光信号を交換機に送る信号ケーブルである。The optical cable 21 is a signal cable that sends an optical signal from the exchange to the terminal 30, and the optical cable 22 is a signal cable that sends the optical signal from the terminal 30 to the exchange.
電子端末３０は、端末制御部３１と電光変換器３３と光
電変換器３４と給電検出回路３６と蓄電池３７と直流阻
止コンデンサ３２．３５とで構成されている。端末制御
部３１は、発呼信号、ダイアル信号、切断信号、応答信
号、音声、データ等の送受信回路で構成されており、交
換機との接続シーケンス制御にはデジタルのコートが使
用されている。給電検出回路３６は、光電変換器３４で
変換された電気量の直流分を検出し、これに基づいて蓄
電池３７に充電用の電流を供給するものである。The electronic terminal 30 includes a terminal control section 31, an electro-optical converter 33, a photo-electric converter 34, a power supply detection circuit 36, a storage battery 37, and a DC blocking capacitor 32.35. The terminal control unit 31 is composed of a transmitting/receiving circuit for transmitting a calling signal, a dial signal, a disconnection signal, a response signal, voice, data, etc., and a digital coat is used to control the connection sequence with the exchange. The power supply detection circuit 36 detects the DC component of the amount of electricity converted by the photoelectric converter 34, and supplies a charging current to the storage battery 37 based on this.
なお、光電変換器１６．３４または電光変換器１３．３
３において、電気と光との相互間で変換される場合、そ
の電気間と光量とが比例するような変換則に従うもので
ある。In addition, photoelectric converter 16.34 or electro-optical converter 13.3
In No. 3, when electricity and light are converted into each other, the conversion law is such that the amount of electricity is proportional to the amount of light.
次に、上記実施例の動作について説明する。Next, the operation of the above embodiment will be explained.
まず、常時は、交換機からの信号は、コンデンサ１２を
介して電光変換器１３に送られ、ここで光信号に変換さ
れ、光ケーブル２１を介して光電変換器３４に送られ、
この光信号が電気信号に変１％Ｑれ、コンデンサ３５を
介して端末制御部３１に送られる。また、端末３０から
交換機に向う信号も上記と同様に送られる。First, normally, the signal from the exchange is sent to the electro-optical converter 13 via the capacitor 12, where it is converted into an optical signal, and sent to the photo-electric converter 34 via the optical cable 21.
This optical signal is converted into an electrical signal with a Q of 1%, and is sent to the terminal control section 31 via the capacitor 35. Further, signals from the terminal 30 to the exchange are also sent in the same manner as above.
ところで、信号送受信回路１１の作動中に、所定の周期
で、端末３０が空状態か否かかチェックされる。もし、
空状態であれば、給電回路１４を介して電光変換器１３
に、直流成分を右する光が送られる。この光は光ケーブ
ル２１を介して、光電変換器３４に送られ、ここで電気
間に変換される。この直流成分は、給電検出回路３６に
検出されるとともに、蓄電池３７に充電される。このよ
うにして充電された蓄電池３７から、端末３０の制御用
電源が供給される。By the way, during the operation of the signal transmitting/receiving circuit 11, it is checked at predetermined intervals whether the terminal 30 is in an empty state or not. if,
If it is empty, the electric light converter 13 is connected via the power supply circuit 14.
Light with a direct current component is sent to. This light is sent via the optical cable 21 to the photoelectric converter 34, where it is converted into electrical light. This DC component is detected by the power supply detection circuit 36 and charged into the storage battery 37. Power for controlling the terminal 30 is supplied from the storage battery 37 charged in this manner.
このようにして、定期的に蓄電池３７が充電されるので
、従来まで行なわれていた蓄電池の交換が必要なくなる
。また、光ケーブル２１を介して電力用のエネルギーが
供給されるので、従来使用していた電線が必要なくなる
。In this way, the storage battery 37 is charged regularly, so there is no need to replace the storage battery, which has been done in the past. Furthermore, since power energy is supplied via the optical cable 21, the conventionally used electric wires are no longer necessary.
一方、信号送受信回路１１が定期的に端末３０の空状態
をチェックした結果、空いていない場合には、そのまま
、端末３０との送受信を行ない、交信に支障が生じない
ようにしている。On the other hand, as a result of the signal transmitting/receiving circuit 11 periodically checking whether the terminal 30 is vacant, if the terminal 30 is not vacant, the signal transmitting/receiving circuit 11 continues transmitting and receiving data to and from the terminal 30, so as to prevent communication from being hindered.
上記のように本発明は、商用電源の障害時にも端末を使
用することができ、また、起電力不足による蓄電池の交
換の必要がないという効果を有する。As described above, the present invention has the advantage that the terminal can be used even in the event of a failure of the commercial power supply, and there is no need to replace the storage battery due to insufficient electromotive force.
図は本発明の一実施例を示すブロック図である。
１０・・・交換機の端末収容部、１１・・・信号送受信
回路、１３．３３・・・電光変換器、１４・・・給電回
路、１６．３４・・・光電変換器、２１．２２・・・光
ケーブル、３０・・・電子端末、３１・・・端末制御部
、３６・・・給電検出回路、３７・・・蓄電池。
出願人 日本電気株式会社The figure is a block diagram showing one embodiment of the present invention. DESCRIPTION OF SYMBOLS 10... Terminal accommodating part of exchange, 11... Signal transmission/reception circuit, 13.33... Electro-optical converter, 14... Power supply circuit, 16.34... Photoelectric converter, 21.22... - Optical cable, 30... Electronic terminal, 31... Terminal control unit, 36... Power supply detection circuit, 37... Storage battery. Applicant: NEC Corporation
Claims (1)
方式において、前記光ケーブルを介して前記交換（本か
ら前記端末へ向う供給エネルギーを検出する手段と、前
記供給エネルギーによって充電する蓄電池とを、前記端
末内に有し、前記端末の制御用電源を前記蓄電池から供
給し、前記交換機の収容端末が空状態のときに、前記交
換機から前記端末への給電を行なうことを特徴と覆る光
ネッ１〜ワークに８５４ブる端末給電方式。In a method of supplying power from an AC 1% machine to a terminal connected by an optical cable, the exchanger (means for detecting the supplied energy going from the book to the terminal, and a storage battery charged by the supplied energy) are connected via the optical cable to the terminal. The optical network 1 to 1 is provided in a terminal, and is characterized in that power for controlling the terminal is supplied from the storage battery, and when the terminal accommodated in the exchange is in an empty state, power is supplied from the exchange to the terminal. Terminal power supply system that supplies 854 points to the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58076130A JPS59202764A (en) | 1983-05-02 | 1983-05-02 | Terminal device power feeding system in optical network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58076130A JPS59202764A (en) | 1983-05-02 | 1983-05-02 | Terminal device power feeding system in optical network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59202764A true JPS59202764A (en) | 1984-11-16 |
Family
ID=13596353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58076130A Pending JPS59202764A (en) | 1983-05-02 | 1983-05-02 | Terminal device power feeding system in optical network |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59202764A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100325449A1 (en) * | 2004-10-07 | 2010-12-23 | Cisco Technology, Inc. | Bidirectional inline power port |
-
1983
- 1983-05-02 JP JP58076130A patent/JPS59202764A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8966297B2 (en) | 2004-05-13 | 2015-02-24 | Cisco Technology, Inc. | Bidirectional inline power port |
| US20100325449A1 (en) * | 2004-10-07 | 2010-12-23 | Cisco Technology, Inc. | Bidirectional inline power port |
| US8447995B2 (en) * | 2004-10-07 | 2013-05-21 | Cisco Technology, Inc. | Bidirectional inline power port |
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