GB1515835A - Checking of operation in a pcm exchange - Google Patents

Checking of operation in a pcm exchange

Info

Publication number
GB1515835A
GB1515835A GB1617777A GB1617777A GB1515835A GB 1515835 A GB1515835 A GB 1515835A GB 1617777 A GB1617777 A GB 1617777A GB 1617777 A GB1617777 A GB 1617777A GB 1515835 A GB1515835 A GB 1515835A
Authority
GB
United Kingdom
Prior art keywords
scanner
driver
dummy
checking
line circuits
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
Application number
GB1617777A
Other languages
English (en)
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1515835A publication Critical patent/GB1515835A/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB1617777A 1976-04-28 1977-04-19 Checking of operation in a pcm exchange Expired GB1515835A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7612618A FR2350026A1 (fr) 1976-04-28 1976-04-28 Perfectionnements au controle du fonctionnement d'un central mic

Publications (1)

Publication Number Publication Date
GB1515835A true GB1515835A (en) 1978-06-28

Family

ID=9172413

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1617777A Expired GB1515835A (en) 1976-04-28 1977-04-19 Checking of operation in a pcm exchange

Country Status (7)

Country Link
BE (1) BE854035A (xx)
DE (1) DE2717874A1 (xx)
ES (1) ES458229A1 (xx)
FR (1) FR2350026A1 (xx)
GB (1) GB1515835A (xx)
IT (1) IT1078416B (xx)
NL (1) NL7704477A (xx)

Also Published As

Publication number Publication date
IT1078416B (it) 1985-05-08
NL7704477A (nl) 1977-11-01
FR2350026A1 (fr) 1977-11-25
FR2350026B1 (xx) 1982-04-02
DE2717874A1 (de) 1977-11-17
BE854035A (nl) 1977-10-28
ES458229A1 (es) 1978-02-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee