ES2048046A2 - Adapter equipment for the remote extension of a subscriber private exchange - Google Patents
Adapter equipment for the remote extension of a subscriber private exchangeInfo
- Publication number
- ES2048046A2 ES2048046A2 ES9101957A ES9101957A ES2048046A2 ES 2048046 A2 ES2048046 A2 ES 2048046A2 ES 9101957 A ES9101957 A ES 9101957A ES 9101957 A ES9101957 A ES 9101957A ES 2048046 A2 ES2048046 A2 ES 2048046A2
- Authority
- ES
- Spain
- Prior art keywords
- private exchange
- equipment
- remote
- subscriber private
- extension
- 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
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Selective Calling Equipment (AREA)
Abstract
Adapter equipment for the remote extension of a subscriber private exchange that consists of an equipment unit composed of an autonomous remote adaptor composed of two input circuit cards and a 24 V battery it has an auxiliary element for mounting to a casing where the elements are placed and the equipment includes an AC/DC converter type power supply unit and a 24 V floating battery, ensuring its operation.The local unit connects through an extension to the subscriber private exchange that connects all the terminals as well as the public network exchange, and the latter, in turn, to the terminals of said network.Additionally, the local unit establishes a connection using a four-wire transmission circuit with the autonomous remote adaptor, establishing the connections to the remote terminal, either directly or through a private exchange.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9101957A ES2048046B1 (en) | 1991-08-30 | 1991-08-30 | ADAPTER EQUIPMENT FOR EXTENSION OTHER THAN A PRIVATE SUBSCRIBER CONTROL UNIT |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9101957A ES2048046B1 (en) | 1991-08-30 | 1991-08-30 | ADAPTER EQUIPMENT FOR EXTENSION OTHER THAN A PRIVATE SUBSCRIBER CONTROL UNIT |
Publications (3)
Publication Number | Publication Date |
---|---|
ES2048046A2 true ES2048046A2 (en) | 1994-03-01 |
ES2048046R ES2048046R (en) | 1995-12-01 |
ES2048046B1 ES2048046B1 (en) | 1996-08-01 |
Family
ID=8273404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9101957A Expired - Fee Related ES2048046B1 (en) | 1991-08-30 | 1991-08-30 | ADAPTER EQUIPMENT FOR EXTENSION OTHER THAN A PRIVATE SUBSCRIBER CONTROL UNIT |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2048046B1 (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4150257A (en) * | 1977-10-31 | 1979-04-17 | Bell Telephone Laboratories, Incorporated | Communication system call coverage arrangements |
DE3132971A1 (en) * | 1981-08-20 | 1983-03-03 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for telephone switching systems, in particular small PABX systems, in which signalling is carried out between the subscriber stations and a device which is common to them |
US4602363A (en) * | 1984-03-30 | 1986-07-22 | Itt Corporation | Expansion apparatus for use in communication systems |
GB2176372A (en) * | 1985-06-12 | 1986-12-17 | Mitel Corp | Line status circuit |
US4679230A (en) * | 1984-05-15 | 1987-07-07 | Telecommunications Radioelectriques Et Telephoniques T.R.T | Echo canceller and center clipper control arrangement |
DE3131343C2 (en) * | 1981-08-07 | 1988-11-24 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
EP0308301A1 (en) * | 1987-09-18 | 1989-03-22 | Applications Electroniques Techniques Avancees "A.E.T.A." | Telephone device with a radio connection |
EP0288935B1 (en) * | 1987-04-29 | 1993-11-03 | Siemens Aktiengesellschaft | Arrangement for creating a supplementary ISDN basic access in an ISDN subscriber installation |
-
1991
- 1991-08-30 ES ES9101957A patent/ES2048046B1/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4150257A (en) * | 1977-10-31 | 1979-04-17 | Bell Telephone Laboratories, Incorporated | Communication system call coverage arrangements |
DE3131343C2 (en) * | 1981-08-07 | 1988-11-24 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
DE3132971A1 (en) * | 1981-08-20 | 1983-03-03 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for telephone switching systems, in particular small PABX systems, in which signalling is carried out between the subscriber stations and a device which is common to them |
US4602363A (en) * | 1984-03-30 | 1986-07-22 | Itt Corporation | Expansion apparatus for use in communication systems |
US4679230A (en) * | 1984-05-15 | 1987-07-07 | Telecommunications Radioelectriques Et Telephoniques T.R.T | Echo canceller and center clipper control arrangement |
GB2176372A (en) * | 1985-06-12 | 1986-12-17 | Mitel Corp | Line status circuit |
EP0288935B1 (en) * | 1987-04-29 | 1993-11-03 | Siemens Aktiengesellschaft | Arrangement for creating a supplementary ISDN basic access in an ISDN subscriber installation |
EP0308301A1 (en) * | 1987-09-18 | 1989-03-22 | Applications Electroniques Techniques Avancees "A.E.T.A." | Telephone device with a radio connection |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN. Vol. 13, n‘ 416, (E-821) (3764) 14.09.89, JP-A-01154697 (NODE-NEC CORP.) * |
Also Published As
Publication number | Publication date |
---|---|
ES2048046B1 (en) | 1996-08-01 |
ES2048046R (en) | 1995-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19910830 Kind code of ref document: B1 Effective date: 19910830 |
|
FD1A | Patent lapsed |
Effective date: 19980831 |