DE29723971U1 - Circuit arrangement for the emergency operation of communication terminals - Google Patents

Circuit arrangement for the emergency operation of communication terminals

Info

Publication number
DE29723971U1
DE29723971U1 DE29723971U DE29723971U DE29723971U1 DE 29723971 U1 DE29723971 U1 DE 29723971U1 DE 29723971 U DE29723971 U DE 29723971U DE 29723971 U DE29723971 U DE 29723971U DE 29723971 U1 DE29723971 U1 DE 29723971U1
Authority
DE
Germany
Prior art keywords
circuit arrangement
communication terminals
emergency operation
emergency
terminals
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.)
Expired - Lifetime
Application number
DE29723971U
Other languages
German (de)
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.)
Kathrein SE
Original Assignee
Kathrein Werke KG
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 Kathrein Werke KG filed Critical Kathrein Werke KG
Priority to DE29723971U priority Critical patent/DE29723971U1/en
Priority claimed from DE1997129635 external-priority patent/DE19729635A1/en
Publication of DE29723971U1 publication Critical patent/DE29723971U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/0471—Terminal access circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1308—Power supply
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13082—Power supply via phantom line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13202—Network termination [NT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13299—Bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13302—Magnetic elements
DE29723971U 1997-07-10 1997-07-10 Circuit arrangement for the emergency operation of communication terminals Expired - Lifetime DE29723971U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29723971U DE29723971U1 (en) 1997-07-10 1997-07-10 Circuit arrangement for the emergency operation of communication terminals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29723971U DE29723971U1 (en) 1997-07-10 1997-07-10 Circuit arrangement for the emergency operation of communication terminals
DE1997129635 DE19729635A1 (en) 1997-07-10 1997-07-10 Emergency mode circuit arrangement for communication terminals

Publications (1)

Publication Number Publication Date
DE29723971U1 true DE29723971U1 (en) 1999-08-12

Family

ID=26038205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29723971U Expired - Lifetime DE29723971U1 (en) 1997-07-10 1997-07-10 Circuit arrangement for the emergency operation of communication terminals

Country Status (1)

Country Link
DE (1) DE29723971U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2819363A1 (en) * 2001-01-08 2002-07-12 Cit Alcatel Power supply circuit for telephone terminal includes local power supply taking over in event of failure of remote power supply
DE102010039406A1 (en) * 2010-08-17 2012-02-23 Zumtobel Lighting Gmbh Busphasenwächter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2819363A1 (en) * 2001-01-08 2002-07-12 Cit Alcatel Power supply circuit for telephone terminal includes local power supply taking over in event of failure of remote power supply
DE102010039406A1 (en) * 2010-08-17 2012-02-23 Zumtobel Lighting Gmbh Busphasenwächter

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19990923

R150 Term of protection extended to 6 years

Effective date: 20000725

R151 Term of protection extended to 8 years

Effective date: 20030729

R152 Term of protection extended to 10 years

Effective date: 20050601

R071 Expiry of right