SE412501B - Automatisk provanordning - Google Patents

Automatisk provanordning

Info

Publication number
SE412501B
SE412501B SE7700028A SE7700028A SE412501B SE 412501 B SE412501 B SE 412501B SE 7700028 A SE7700028 A SE 7700028A SE 7700028 A SE7700028 A SE 7700028A SE 412501 B SE412501 B SE 412501B
Authority
SE
Sweden
Prior art keywords
test
call
connection
line
relay
Prior art date
Application number
SE7700028A
Other languages
English (en)
Swedish (sv)
Other versions
SE7700028L (sv
Inventor
R Augris
J Beyer
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of SE7700028L publication Critical patent/SE7700028L/xx
Publication of SE412501B publication Critical patent/SE412501B/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/50Testing arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/18Electrical details
    • H04Q1/20Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
    • H04Q1/22Automatic arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
SE7700028A 1976-01-08 1977-01-03 Automatisk provanordning SE412501B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7600380A FR2337976A1 (fr) 1976-01-08 1976-01-08 Systeme d'essais automatiques

Publications (2)

Publication Number Publication Date
SE7700028L SE7700028L (sv) 1977-07-09
SE412501B true SE412501B (sv) 1980-03-03

Family

ID=9167720

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7700028A SE412501B (sv) 1976-01-08 1977-01-03 Automatisk provanordning

Country Status (11)

Country Link
BE (1) BE849886A (it)
CH (1) CH619576A5 (it)
DE (1) DE2700277A1 (it)
FR (1) FR2337976A1 (it)
GB (1) GB1573019A (it)
IE (1) IE44651B1 (it)
IT (1) IT1084001B (it)
NL (1) NL7700110A (it)
OA (1) OA05527A (it)
SE (1) SE412501B (it)
ZA (1) ZA7774B (it)

Also Published As

Publication number Publication date
BE849886A (fr) 1977-06-28
ZA7774B (en) 1977-11-30
OA05527A (fr) 1981-04-30
NL7700110A (nl) 1977-07-12
CH619576A5 (en) 1980-09-30
IE44651L (en) 1977-07-08
FR2337976B1 (it) 1981-01-30
SE7700028L (sv) 1977-07-09
IT1084001B (it) 1985-05-25
GB1573019A (en) 1980-08-13
FR2337976A1 (fr) 1977-08-05
DE2700277A1 (de) 1977-08-25
IE44651B1 (en) 1982-02-10

Similar Documents

Publication Publication Date Title
US3339029A (en) Pbx group hunting for communication switching systems
NO135356B (it)
US3231680A (en) Automatic telephone switching system
SE412501B (sv) Automatisk provanordning
US2506730A (en) Private branch exchange trunkhunting connector switch circuit
US1691410A (en) Automatic telephone system
US4412101A (en) Call data monitoring for electromechanical telephone switching systems
US2730568A (en) Starting next idle register
US3413421A (en) Apparatus to select and identify one of a possible plurality of terminals calling for service in a communication switching system
US2711444A (en) Junction diagram for automatic switching system
US3449527A (en) Control circuit for dial selection of extension telephones
US3585310A (en) Telephone switching system
US3480735A (en) Communication switching marker having continuity testing arrangement
GB560732A (en) Improvements in or relating to telephone or like systems employing crossbar switches
US3051794A (en) Circuit arrangement for connectors having access to p.b.x telephone lines and controlled by marker devices
US3485956A (en) Path-finding system for a network of cross-point switching matrices
US2866008A (en) Testing apparatus for calling line identifiers
US3007007A (en) Toll ticketing telephone system
US2806093A (en) Telephone test selector
US3681537A (en) Marker for communication switching system
US3256392A (en) Circuit arrangement for determining party line subscriber numbers
US1576723A (en) Wire chief's test circuits for telephone systems
US2533342A (en) Tandem switching system
US2951126A (en) Electronic switching telephone system channel allotter
US2714628A (en) Automatic telephone system