PABX Installation & Configuration

Order Code: 22235801.5

Category: General Lab Equipment I

EPABX Trainer is a Microprocessor based system designed to help the students to understand the basic concept and working of a Telephone Exchange. All the components are mounted on a single PCB in functional blocks and have various Test points to moni...



SPECIFICATION

EPABX Trainer is a Microprocessor based system designed to help the students to understand the basic concept and working of a Telephone Exchange. All the components are mounted on a single PCB in functional blocks and have various Test points to monitor all kinds of telephonic signals.
 

Specification:

  • No. of Subscribers : Two DOT Lines, Four
  • Line Section Extension Lines : Opto Isolation for Trunk Lines and 4 Extension Lines.
  • Tone Generation: Dial Tone, Busy Tone, Ring Back Tone, Hold-on music etc.
  • CPU Section : 89E516RD Microcontroller based stored program control.
  • Memory :  72KB  Program  memory,
  • Speech Path 1KB RAM. :  Fully Non- Blocking.
  • Loop Resistance
    • Extension : 600 Ohms.
    • Co-line : 1200 Ohms.
  • Cross Talk Attenuator : >70dBm.
  • Idle Channel Voice : >70 dBm.
  • Insertion Loss : Extension to Extension not Less than 60 dBm.
  • Extension to DOT Line not
  • Dial Pulse Ratio Less than 60 dBm. :  10pps /-,10%
  • Input Power : 230V AC, 50Hz.
  • Longitudinal Balance : 60dBm.
  • Switch Faults : 8 Switch Faults are provided on board to study
  • Test Points different effects on circuit. : 46 Nos.
  • Power Requirement : 11V, 23V, 5V, 15V.

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