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Feedback 58-002 Digital Switching System

The Feedback range of Telecommunications training equipment has been designed to provide a modern, efficient approach to training the engineers and technicians working in this field.

    Features

  • Relevant to study of Central Switching exchanges or PAB exchanges
  • Uses commercial CODECs
Description

Digital switching techniques and applications are covered, including time and space switching and the control of a digital switch by connection memory. Call state transistion diagrams, which conform to ITU-T SDL format for call progress, are introduced, as well as concepts of call state and state transition, and the three stages of call handling.

The system comprises:
  • Controller
  • Digital switching centre board
  • One, four telephone handset kit

    Curriculum Coverage
  • Local signalling
  • Digital switch principles
  • Digital switch
  • Line scan
  • Call records
  • Line records
  • Line maps
  • State transitions
  • Call progress
  • Manual control
  • Testing
  • Traffic
  •  

    Additional pictures

    58-004 Digital Trunk Network System

    58-001 Telephony Training System

    Instruments Techno Test inc.

    Instruments Techno Test inc.
    2345, Michelin street, #100
    Laval, Qc
    H7L 5B9

    Téléphone : (450) 681-5777
    Télécopieur : (450) 681-3773

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