BE893781A - Methode de test de systeme de telecommunication - Google Patents

Methode de test de systeme de telecommunication

Info

Publication number
BE893781A
BE893781A BE2/59768A BE2059768A BE893781A BE 893781 A BE893781 A BE 893781A BE 2/59768 A BE2/59768 A BE 2/59768A BE 2059768 A BE2059768 A BE 2059768A BE 893781 A BE893781 A BE 893781A
Authority
BE
Belgium
Prior art keywords
test method
telecommunication system
system test
telecommunication
test
Prior art date
Application number
BE2/59768A
Other languages
English (en)
Inventor
V Teacher
Original Assignee
Standard Telephones Cables Ltd
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 Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd
Publication of BE893781A publication Critical patent/BE893781A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica
    • H04L1/243—Testing correct operation by comparing a transmitted test signal with a locally generated replica at the transmitter, using a loop-back
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/301—Circuit arrangements at the subscriber's side of the line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
    • H04M3/303—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using PCM multiplexers, e.g. pair gain systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE2/59768A 1981-07-07 1982-07-07 Methode de test de systeme de telecommunication BE893781A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08120910A GB2101751B (en) 1981-07-07 1981-07-07 Line circuit testing.

Publications (1)

Publication Number Publication Date
BE893781A true BE893781A (fr) 1983-01-07

Family

ID=10523065

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/59768A BE893781A (fr) 1981-07-07 1982-07-07 Methode de test de systeme de telecommunication

Country Status (3)

Country Link
BE (1) BE893781A (fr)
GB (1) GB2101751B (fr)
HK (1) HK50087A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3723115C1 (en) * 1987-07-13 1989-03-16 Telefonbau & Normalzeit Gmbh Test and measuring device for digital signals
SE501021C2 (sv) * 1993-04-01 1994-10-24 Ericsson Telefon Ab L M Anordning för provning av linjeanslutningar vid telefonväxel

Also Published As

Publication number Publication date
GB2101751A (en) 1983-01-19
HK50087A (en) 1987-07-03
GB2101751B (en) 1985-01-03

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: STANDARD TELEPHONES AND CABLES LTD

Effective date: 19860731