Digital Telephone Switch DTS-1536

• SYSTEM CHARACTERISTICS:
  • Tone/Pulse Dialling
  • Toll Ticketing/Pulse Metering
  • Tariff Switching
  • Call Information Listing
  • Caller ID Transmission
  • Operator Controlled Call Barring
  • PABX Function
  • Subscriber Line Monitoring
  • Subscriber Line Test
  • Automatic Fault Detection on Subscriber Line
  • Automatic Faulty Lines Blocking
  • Manual Faulty Lines Blocking
  • Alarm Detection of Trunk Lines
  • Manual Test of PCM
  • Clock Synchronization to the Superior Exchange
  • Remote O&M
  
  
• SUBSCRIBER SERVICES:
  • Alarm Call service
  • Call Waiting service
  • Abbreviated Dialing
  • Last Number Redial
  • Absent subscriber
  • Do Not Disturb
  • Hot Line
  • Call Forwarding: unconditional, on busy, on no replay
  • Call Back
  • Malicious Call Tracing
  • Conference Call
  • Call Barring
  • Outgoing Call Barring
  • Keyword change
  • Type of charging
  • Private Meter
  
  
• TECHNICAL SPECIFICATIONS:
  • Capacity: 1536 Subscriber Lines, 8x2Mb/s Trunk Lines
  • Signalling System: SS7 (CCITT-No.7) and R2D ,
  • Power: AC/DC Converter 220Vac/48Vdc, 25A; Battery Backup 48V, 60Ah,
  • Environment: 0�C to +45�C, 20% to 80% Humidity,
  • Dimensions (WxHxD): 640x1500x640 mm.

  

  ---

  Description

  
• LI � Line Interface:
  • 32 x Subscriber Line, SLIC - CODEC,
  • Balanced ringing, output up to 60Vrms, 25Hz, sinusoidal wave,
  • 16KHz Pulse Metering,
  • Subscriber Line Monitoring, Pulse Dialing,
  • Subscriber Line Test,
  • Automatic Fault Detection on Subscriber Line,
  • Automatic Faulty Lines Blocking,
  • 1 x Microcontroller for control.
  
  
• RC � Rate Converter
  • Rate conversion from 2.048 Mb/s to 8.192 Mb/s and vice-versa,
  • 1 x Microcontroller for control.
  
  
• DFG � Digital Filter-Generator
  • 16 x Tone Dialling,
  • 16 x R2D Signaling System,
  • Caller ID Transmission,
  • 4 x Digital Signal Processor,
  • 1 x Microcontroller for control.
  
• LPCM � Link PCM
  • 4 x 2.048Mb/s Trunk Lines (4x30 channel),
  • SS7 (CCITT-No.7) Signaling System,
  • Alarm Detection of Trunk Lines,
  • Receive Clock Synchronization to the Superior Exchange,
  • 4 x Microcontroller for control.
  
  
• CPU � Central Processor Unit
  • 2.048 x 2.048 channel non-blocking switching at 8.192Mb/s,
  • Rate conversion from 2.048 Mb/s to 8.192 Mb/s and vice-versa,
  • Clock Synchronization to the Superior Exchange,
  • 1 x Microcontroller for control.
  
• SM � Speak Messages
  • 32 x Short digital speak messages (recording the messages with software),
  • 1 x Microcontroller for control.
  
  
• AUX � Three Party Service and Audio Interface
  • 10 x Three party service (Conference Call),
  • 2 x Audio inputs and outputs (tape-recorder, CD player, PC sound card, ...),
  
  
• BMI � Battery Monitor and Interface
  • Optically-isolated 8-bits parallel interface for the IPC card,
  • Controller for the PWR - Power Supplies,
  • Instruments and sensors (a voltmeters, an ammeters, a thermometers) for automatic test and measuring of the Battery and the Power Supplies,
  • Instrument for manual meassuring resistance of the Subscriber Line,
  • Test the Subscriber Telephone and Test the SLIC,
  • 1 x Microcontroller for control.
  
  
• IPC� Interface PC
  • ISA BUS card for the Personal Computer, 8-bits parallel interface
  
  
• PWR � Power Supply
  • DC/DC converters: -48Vdc/+5Vdc, 10A; -48Vdc/-5Vdc, 5A; -48Vdc/+65Vdc,
  • Monitor and controller for the battery and the power supply.