JPH01135858U - - Google Patents
Info
- Publication number
- JPH01135858U JPH01135858U JP3036288U JP3036288U JPH01135858U JP H01135858 U JPH01135858 U JP H01135858U JP 3036288 U JP3036288 U JP 3036288U JP 3036288 U JP3036288 U JP 3036288U JP H01135858 U JPH01135858 U JP H01135858U
- Authority
- JP
- Japan
- Prior art keywords
- telephone line
- public telephone
- control device
- network control
- isdn
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Devices For Supply Of Signal Current (AREA)
Description
第１図は本考案の一実施例にかかるデータ端末
装置を示すブロツク図、第２図は電話機切換制御
部の一例を示すブロツク図である。
１……システム制御部、７……グループ４フア
クシミリ通信ユニツト、８……グループ３フアク
シミリ通信ユニツト、９……ＩＳＤＮ―ＮＣＵ（
サービス統合デジタル通信網―網制御装置）、１
０……ＣＯＤＥＣ、１１……アナログ電話機、１
２……ＰＳＴＮ―ＮＣＵ（公衆電話回線網―網制
御装置）、１３……接続切換部、１４……セレク
タ、１５……電話機切換制御部、２０……リレー
、２１，２２……切換回路。
FIG. 1 is a block diagram showing a data terminal device according to an embodiment of the present invention, and FIG. 2 is a block diagram showing an example of a telephone switching control section. 1... System control unit, 7... Group 4 facsimile communication unit, 8... Group 3 facsimile communication unit, 9... ISDN-NCU (
Service integrated digital communication network - network control equipment), 1
0...CODEC, 11...Analog telephone, 1
2...PSTN-NCU (Public Telephone Network-Network Control Unit), 13... Connection switching unit, 14... Selector, 15... Telephone switching control unit, 20... Relay, 21, 22... Switching circuit.
Claims (1)
Ｎと接続するためのＩＳＤＮ網制御装置および公
衆電話回線網と接続するための公衆電話回線用網
制御装置を備えたＩＳＤＮ端末装置において、電
源が投入されていない状態で、電話機能を公衆電
話回線用網制御装置に接続する切換接続手段を備
えたことを特徴とするＩＳＤＮ端末装置。 Equipped with at least a telephone function and an ISD
In an ISDN terminal device equipped with an ISDN network control device for connecting to the public telephone line and a public telephone line network control device for connecting to the public telephone line network, the telephone function can be switched to the public telephone line when the power is not turned on. 1. An ISDN terminal device comprising switching connection means for connecting to a network control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988030362U JPH0756533Y2 (en) | 1988-03-09 | 1988-03-09 | ISDN terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988030362U JPH0756533Y2 (en) | 1988-03-09 | 1988-03-09 | ISDN terminal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01135858U true JPH01135858U (en) | 1989-09-18 |
| JPH0756533Y2 JPH0756533Y2 (en) | 1995-12-25 |
Family
ID=31255363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988030362U Expired - Lifetime JPH0756533Y2 (en) | 1988-03-09 | 1988-03-09 | ISDN terminal device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0756533Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58182545U (en) * | 1982-05-31 | 1983-12-05 | 株式会社日立製作所 | terminal device |
| JPS6166460A (en) * | 1984-09-10 | 1986-04-05 | Matsushita Electric Ind Co Ltd | Data terminal equipment |
| JPS61200763A (en) * | 1985-03-04 | 1986-09-05 | Ricoh Co Ltd | Composite facsimile equipment |
-
1988
- 1988-03-09 JP JP1988030362U patent/JPH0756533Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58182545U (en) * | 1982-05-31 | 1983-12-05 | 株式会社日立製作所 | terminal device |
| JPS6166460A (en) * | 1984-09-10 | 1986-04-05 | Matsushita Electric Ind Co Ltd | Data terminal equipment |
| JPS61200763A (en) * | 1985-03-04 | 1986-09-05 | Ricoh Co Ltd | Composite facsimile equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0756533Y2 (en) | 1995-12-25 |