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Organization / Document #
ITU
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  • 【Organization】ITU
  • 【Document #】ITU-T HDBK VOL I DCO
  • Design, Construction and Operational Principles of Telecommunication, Power and Electrified Railway Facilities - Volume I

  • 【Date】1989/1/1
  • 【Language】English
  • 【Status】Active
  • 【Organization】ITU
  • 【Document #】ITU-T Q.542
  • Digital Exchange Design Objectives - Operations and Maintenance - Digital Local, Transit, Combined and International Exchanges in Integrated Digital Networks and Mixed Analogue-Digital Networks - Supplements (Study Group XI) 21 pp

  • 【Date】1989/1/1
  • 【Language】English
  • 【Status】Active
  • 【Organization】ITU
  • 【Document #】ITU-T HDBK VOL IV ICV
  • Inducing-Currents and Voltages in Electrified Railway Systems - Volume IV

  • 【Date】1989/1/1
  • 【Language】English
  • 【Status】Active
  • 【Organization】ITU
  • 【Document #】ITU-T Q.644
  • Logic Procedures for Interworking of Signalling System No. 5 to R1 - Interworking of Signalling Systems (Study Group XI) 2 pp

  • 【Date】1989/1/1
  • 【Language】English
  • 【Status】Active
  • 【Organization】ITU
  • 【Document #】ITU-T HDBK OFS
  • Optical Fibres Systems Planning Guide - Study Group XV; Study Group XVIII; 242 pp

  • 【Date】1989/1/1
  • 【Language】English
  • 【Status】Active
  • 【Organization】ITU
  • 【Document #】ITU-T HDBK VOL VIII PD
  • Protective Devices - Volume VIII

  • 【Date】1989/1/1
  • 【Language】English
  • 【Status】Active
  • 【Organization】ITU
  • 【Document #】ITU-T HDBK VOL VII PMS
  • Protective Measures and Safety Precautions - Volume VII

  • 【Date】1989/1/1
  • 【Language】English
  • 【Status】Active
  • 【Organization】ITU
  • 【Document #】ITU-T T.563
  • Terminal Characteristics for Group 4 Facsimile Apparatus - Terminal Equipment and Protocols for Telematic Services (Study Group VIII) 19 pp

  • 【Date】1989/1/1
  • 【Language】English
  • 【Status】Active
  • 【Organization】ITU
  • 【Document #】ITU-T HDBK VOL IX TMM
  • Testing Methods and Measuring Apparatus - Volume IX

  • 【Date】1989/1/1
  • 【Language】English
  • 【Status】Active
  • 【Organization】ITU
  • 【Document #】ITU-T O.6
  • 1020 Hz REFERENCE TEST FREQUENCY

  • 【Date】1988/11/1
  • 【Language】English
  • 【Status】Active