JPH03280744A - Isdn feeder - Google Patents

Isdn feeder

Info

Publication number
JPH03280744A
JPH03280744A JP2082740A JP8274090A JPH03280744A JP H03280744 A JPH03280744 A JP H03280744A JP 2082740 A JP2082740 A JP 2082740A JP 8274090 A JP8274090 A JP 8274090A JP H03280744 A JPH03280744 A JP H03280744A
Authority
JP
Japan
Prior art keywords
terminal
isdn
interface bus
connector
power supply
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
Application number
JP2082740A
Other languages
Japanese (ja)
Inventor
Akira Arutaki
明良 阿留多伎
Keizo Minamimura
南村　恵三
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP2082740A priority Critical patent/JPH03280744A/en
Publication of JPH03280744A publication Critical patent/JPH03280744A/en
Pending legal-status Critical Current

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  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

PURPOSE:To attain feeding to an ISDN terminal even when no feeding function exists in a network terminator by providing the feeder feeding the ISDN terminal via an S interface. CONSTITUTION:A network terminator 2 not having a feeding function connects to an NT connector of an ISDN feeder 3 and an ISDN terminal 10 connects to a TE connector 7. The transmission reception of a signal between the terminator 2 and the terminal 10 are implemented via a connection between the connectors 6, 7. On the other hand, a commercial power supply is inputted to an AC-DC converter 8 through a power cable 9 and an output of the converter 8 is given to other terminal than the signal terminal of the connector 7. Thus, the terminal 10 is fed from the converter 8 via an interface bus 5. Thus, the ISDN terminal is fed even when no feeding function is provided to the network terminator.

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明はＩ　ＳＤＮ加入者アクセス系において、Ｉ　Ｓ
ＤＮ端末装置に給電する給電装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention is applicable to ISDN subscriber access system.
The present invention relates to a power supply device that supplies power to a DN terminal device.

［従来の技術］ 第２図は従来のＩ　５ＤＮＳインタフエースの一例を示
す図である。網終端装置１１は、Ｉ　ＳＤＮ端末１７と
Ｓインタフェースバス１２を介して接続されている。網
終端装置１１からＩ　ＳＤＮ端末１７へ伝送される信号
は、送信バアファ１６から出力されたのち、トランス１
５に絶縁されたＳインタフェースバス１２の信号線へ出
力される。[Prior Art] FIG. 2 is a diagram showing an example of a conventional I5DNS interface. The network termination device 11 is connected to an ISDN terminal 17 via an S interface bus 12. The signal transmitted from the network termination device 11 to the ISDN terminal 17 is output from the transmission buffer 16 and then sent to the transformer 1.
The signal is output to the signal line of the S interface bus 12, which is insulated from the S interface bus 12.

Ｉ　ＳＤＮ端末１７から網終端装置１１へ伝送される信
号はＳインタフェースバス１２の信号線から入力され、
トランス１３に絶縁された後、受信バアファ１４へ入力
される。上記構成において、Ｉ　ＳＤＮ端末１７はＳイ
ンタフェースバス１２を介して網終端装置１１より給電
を受けないので、Ｉ　ＳＤＮ端末１７を動作させるため
の電力は、電源ケーブル１８を介して商用電源から導入
するか、またはＩ　ＳＤＮ端末１７に蓄電池を持つ必要
がある。The signal transmitted from the I SDN terminal 17 to the network termination device 11 is input from the signal line of the S interface bus 12,
After being insulated by the transformer 13, the signal is input to the receiving buffer 14. In the above configuration, since the I SDN terminal 17 does not receive power from the network termination device 11 via the S interface bus 12, the power for operating the I SDN terminal 17 is introduced from the commercial power source via the power cable 18. Alternatively, the ISDN terminal 17 must have a storage battery.

［発明が解決しようとする問題点］ 上述したＩ　５ＤＮＳインタフエースにおいて、Ｉ　Ｓ
ＤＮ端末１７を新たに、網終端装置１１からの給電が必
要な形式のＩ　ＳＤＮ端末に取換えようとする場合、網
終端装置１１も給電機能付きの網終端装置に交換する必
要がある。[Problems to be solved by the invention] In the above-mentioned I5DNS interface, the IS
When replacing the DN terminal 17 with a new ISDN terminal that requires power supply from the network termination device 11, the network termination device 11 must also be replaced with a network termination device with a power supply function.

本発明の目的は、Ｓインタフェ・−スバスへの給電機能
を有し２でいる網終端装置にイ・１加さＩ］、ＵｓＤＮ
＠末へＳインタフェ・−スバスを介して給電Ｙる装置を
提供すること′である。An object of the present invention is to add a network termination device that has a function of supplying power to an S interface bus,
It is an object of the present invention to provide a device for supplying power to terminals via an S interface bus.

［問題点を解沙−するための千秤゛］ ネ発明のＩ　Ｓ　Ｄ　Ｎｉ給電装置は、網終端装置と第
１のＳインタフェースバスな介して接続するための第１
のコネクタと、Ｉ　ＳＤＮ端末装置ど第２のＳイノタフ
エースバスを介して接続１−るための第２のコネクタと
、該第２のコネクタの端子のうり、信号が送受さ第１る
端子とは異なる端子に接続された給電回路とをｂ−ｔノ
でいる。[Thousands of steps to solve the problem] The ISD Ni power supply device of the present invention has a first S-interface bus for connecting to a network termination device via a first S-interface bus.
a second connector for connecting an ISDN terminal device or the like via a second S innotaface bus, a first terminal through which signals are transmitted and received; A power supply circuit connected to a terminal different from the one shown in FIG.

［作用］ したがりて、網終端装置にＳインタフェースバスを介し
てＩ　ＳＤＮ端末に給電する機能がなくてもＩ　Ｓ　Ｄ
　Ｎ端末に給電することが可能である。[Operation] Therefore, even if the network termination device does not have the function of supplying power to the ISDN terminal via the S interface bus, the ISD
It is possible to supply power to N terminals.

［実施例］ 次に、本発明の実施例について図面を参照して説明する
。[Example] Next, an example of the present invention will be described with reference to the drawings.

第１図は本発明のＩ　ＳＤＮ給電装置の一実施例を示す
構成図である。FIG. 1 is a block diagram showing an embodiment of the ISDN power supply device of the present invention.

交換局からのＩ　ＳＤＮ加入線又と接続された給電機能
を有さない網終端装置２はＮ　Ｔ　１１１ｊｌ　Ｓイン
タフＪ−スバス４を介しでＩ　ＳＤＮ給電装置３のＮＴ
側Ｓインタフェースバスコネクタ６と接続さね、ている
。Ｉ　ＳＤＮ端末１０ばＴＥ側Ｓインタフェースバス５
を介してｉ　ＳＤＮ給電装置３のＴＥ側Ｓインタフェー
スバスコネクタ７と接続されている。網終端装置２どＩ
　ＳＤＮ端末１０間の信号のやりとりは、ＮＴ側Ｓイン
タフェースバスコネクタ６およびＴＥ側Ｓインタフコ−
−スバスコネクタ７が結線さねているので、この結線を
介して行なわわる。一方、ＡＣ−ＤＣコノバータ８の人
力は、電源ケーブル９を介１．商用電源に接続されてお
り、また、ＡＣ−ＤＣコンバータ８の出力はＴＥ側Ｓイ
ンタフェースバスコネクタ７の端子のうち網終端装置２
とＩ　ＳＤＮ端末１０間の信号か送受される端子とは異
なる端子に付加されている。したかって、Ｉ　ＳＤＮ端
未１ｏはＴＥ側Ｓインタフェースバス５を介Ｌ７てＡＣ
−ＤＣコンバータ８から給電を受けることが可能となる
。The network termination device 2, which does not have a power supply function and is connected to the ISDN access line from the switching center, is connected to the NT of the ISDN power supply device 3 via the NT 111jlS interface bus 4.
It is connected to the side S interface bus connector 6. I SDN terminal 10 TE side S interface bus 5
It is connected to the TE side S interface bus connector 7 of the iSDN power supply device 3 via the iSDN power supply device 3. Network terminating device 2
Signals are exchanged between the SDN terminals 10 via the NT side S interface bus connector 6 and the TE side S interface bus connector 6.
- Since the bus connector 7 is connected, the connection is made through this connection. On the other hand, the human power of the AC-DC converter 8 is supplied through the power cable 9 through the 1. It is connected to a commercial power source, and the output of the AC-DC converter 8 is connected to the network termination device 2 among the terminals of the TE side S interface bus connector 7.
It is attached to a different terminal from the terminal through which signals are transmitted and received between the ISDN terminal 10 and the ISDN terminal 10. Therefore, the I SDN end 1o is connected to the AC via L7 via the TE side S interface bus 5.
- It becomes possible to receive power from the DC converter 8.

［発明の効果］ 以上説明したように本発明は、Ｓインタフェースバスを
介してＩ　ＳＤＮ端末に給電する給電装置を有すること
により、網終端装置にＳインタフェースバスを介してＩ
　ＳＤＮ端末に給電する機能がなくてもＩ　ＳＤＮ端末
に給電することが可能となるという効果がある。[Effects of the Invention] As explained above, the present invention has a power supply device that supplies power to an ISDN terminal via an S interface bus, thereby providing power to a network terminal device via an S interface bus.
This has the effect that it is possible to supply power to ISDN terminals even if there is no function to supply power to SDN terminals.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本発明のＩ　ＳＤＮ給電装置の一実施例を示す
構成図、第２図は従来の給電機能無しのｌ５ＤＮＳイン
タフエースを示す構成図である。 ！−ｉ　Ｓ　Ｄ　Ｎ加入線、２・・・網終端装置、３−
ＩＳＤＮ給電装置、 ４−Ｎ　Ｔ側Ｓインタフェースバス、 ５−Ｔ　Ｅ側Ｓインタフェースバス、 ６−Ｎ　Ｔ　＠　Ｓインタフェースバスコネクタ、７・
・・ＴＥ＠Ｓインタフェースバスコネクタ、８・−ＡＣ
−ＤＣコンバータ、 ９・・・電源ケーブル、 １０・・・Ｉ　ＳＤＮ端末。FIG. 1 is a block diagram showing an embodiment of the ISDN power supply device of the present invention, and FIG. 2 is a block diagram showing a conventional I5DNS interface without a power supply function. ! -i S D N access line, 2... network termination device, 3-
ISDN power supply device, 4-N T side S interface bus, 5-T E side S interface bus, 6-N T @ S interface bus connector, 7.
・・TE@S interface bus connector, 8・-AC
-DC converter, 9...power cable, 10...ISDN terminal.

Claims (1)

【特許請求の範囲】 ＩＳＤＮ加入者アクセス系Ｓインタフェースにおいて、 網終端装置と第１のＳインタフェースバスを介して接続
するための第２のコネクタと、ＩＳＤＮ端末装置と第２
のＳインタフェースバスを介して接続するための第２の
コネクタと、該第２のコネクタの端末のうち、信号が送
受される端子とは異なる端子に接続された給電回路とを
含むＩＳＤＮ給電装置。[Scope of Claims] In an ISDN subscriber access system S interface, a second connector for connecting to a network terminal device via the first S interface bus;
An ISDN power supply device comprising: a second connector for connection via an S interface bus; and a power supply circuit connected to a terminal of the second connector that is different from a terminal through which signals are transmitted and received.
JP2082740A 1990-03-29 1990-03-29 Isdn feeder Pending JPH03280744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2082740A JPH03280744A (en) 1990-03-29 1990-03-29 Isdn feeder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2082740A JPH03280744A (en) 1990-03-29 1990-03-29 Isdn feeder

Publications (1)

Publication Number Publication Date
JPH03280744A true JPH03280744A (en) 1991-12-11

Family

ID=13782814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2082740A Pending JPH03280744A (en) 1990-03-29 1990-03-29 Isdn feeder

Country Status (1)

Country Link
JP (1) JPH03280744A (en)

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