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TELECOM SYSTEM of Metro Rail

Project Features

TELECOM SYSTEM



Telecommunication System Key Features

General:
State of the art Communication System facilitating continuous communication between Central Control, Train Operators and Station Controllers.
Modular, Reliable, Redundant and Proven Systems
Distributed Architecture - In event of failure of the link between OCC and Station all Station Communication equipment shall continue to operateindependently in Local mode.
Gigabit Ethernet based IP Backbone System - All Communication Sub-Systems shall support IP and integrated through GE (IP) Network.
Broadcast & display of train related information in different languages like Telugu, English and Hindi
Emergency Call Point / Help-point phone at stations to assist passenger in case of any help required.
PoE based complete IP based CCTV surveillance of all passenger areas for all stations.
Sr. No.Communication Sub-SystemKey Feature
1DTS System
  • Complete IP-Ethernet Based System
  • 10 GB Backbone Network with Dual Core Ring Configuration.
  • Layered Architecture – Core, Distribution and Access.
  • < 50ms recovery time
  • 2x120 FO Operation Cables and 2X120 FO Commercial Cables
2Telephone System
  • Hybrid System – Supports both TDM & IP trunks
  • Tandem and Satellite PABX for all locations
  • Centralized Voice Mail System (CVMS)
  • Types of telephone shall be Analogue Telephone, Digital Telephone, Help-Points Phone and IP Phones
  • PFCT Bypass facility
3Radio System
  • Fully IP based Digital TETRA Radio system.
  • Voice and data communications.
  • Provision to support TETRA 2 TEDS in future.
  • Fully redundant two nos. MSCs and 10 nos. base stations each with 2 base radios
  • 95% coverage for the tracks, inside stations, OCC/DCC, depot locations, sub-stations
4CCTV System
  • IP based Fixed and PTZ CCTV Cameras.
  • Local Video Recording at 4 CIF@15fps for 31 days.
  • Standby recording servers per corridor
  • Sever based Intelligent Video Analytics
5PIDS System
  • IP based Platform Double-face LED Board on platform
  • IP based Single and double-faced 42" TFT displays in concourse
  • Automatic & Manual Operation mode
  • Display in different languages: Telugu, English and Hindi;
  • S&TC system interface at OCC and also locally at stations
  • Integrated PA and PIDS System HMI.
6PAS System
  • IP based Digital Public Address System.
  • Complete A+B circuits for each PA zone.
  • Class-D Amplifiers with more than 80% efficiency.
  • N+1 Amplifier redundancy and fully redundant station servers.
7Clock System
  • Master Clock System with Network Time Protocol (NTP) server
  • NTP based analog and digital slave clocks
8ACIDS System
  • IP based Access Control System provided for designated rooms and restricted Area;
  • Proximity card reader compatible with the MIFARE Type A and Sony FELICA
  • HMI integrated with CCTV System HMI
  • Photography, printing and card issue facilities at Depot/OCC
  • Intrusion detection by IR sensors and video analytics motion detection feature at OCC, Depot, Stations and RSS.
8ACIDS System
  • IP based Access Control System provided for designated rooms and restricted Area;
  • Proximity card reader compatible with the MIFARE Type A and Sony FELICA
  • HMI integrated with CCTV System HMI
  • Photography, printing and card issue facilities at Depot/OCC
  • Intrusion detection by IR sensors and video analytics motion detection feature at OCC, Depot, Stations and RSS.
9CVRS System
  • IP based Centralized Voice Recording for Radio, Telephone and PAS for 31 days
  • Hot Stand-by recording servers
10CTFRS System
  • Interface with all communication sub-systems including UPS equipment.
  • Indication of generic and high level fault from each of the Subsystems
  • Different colours visual indication and audible tone for each alarm category
11OA/IT System
  • LAN for Administrative purposes.
  • Only infrastructure shall be provided by COM, while other hardware, software or applications shall be provided by LTMRHL or OMC's OA/IT Team.
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