Page 170 - 捷運技術 第35期

162 KIN LING LEE An Advanced Command, Control And Communication (C3) Solution For Transit Systems

operator.

At the Depot, the C3 provides similar functionality within the confine of the depot area.
At the Passenger Station, the C3 has the same functionality of OCC within the confine of
the station and adjacent sections.
These logical entities operate as an integrated whole through the high speed IP
Communication network that serves as a multi-media platform for voice, video and data
transmission through the railway system.

4.2 System Components
The OASYS C3 solution comprises the following primary components necessary to
perform the C3 functions:

˙Application/Database Servers
˙Operator Workstations

˙Overview Display system

˙Printers & Peripherals
˙Front-End Control & Data Acquisition Equipment for facilities management（Power,
Environmental & other services）
˙IP Railway Communication Infrastructure

˙IP Video（CCTV）subsystem for CCTV function

˙IP Voice PA（Public Address）subsystem for PA & Telephony functions
˙Radio/Wireless subsystem

˙IP Traveler Information subsystem
˙IP Access Management subsystem

˙Integrated On-Train subsystem
˙Integrated Maintenance Management Subsystem（MMS）

In addition, the ATS functions are also integrated operational within the common OASYS C3
framework for a unified Graphical User Interface（GUI）experience.
All these components integrated through the IP backbone provide a comprehensive set of
functionality for railway operation. As may be noted, functions like power scada（PSCADA）,
building automation system（BAS）and communication subsystems（CCTV, PA, Telephony etc.）
traditional provided by different vendors are now part of the OASYS C3 solution to allow overall
optimization of the design from a operational perspective, and minimize cross-functional barriers
thus enabling complex operational support functions to be implemented within a common platform.
This is illustrated in the following figure：