Page 559 - IRSEM_Main Book

2.2.1 Equipment and Software On-Board: It includes processors, firmware, software and
electronics, operator displays, operator panel, data radios, antennas,
transponder/ballise antennas, code pickup antennas, network components, GPS
receiver and antennas, tachometer and other sensors, connections between train
control elements and interfaces.

2.2.2 Equipment and software along the track and wayside: Vital equipment located in
housings/location box/Relay huts along the Right of Way (track) including station
equipment rooms, train control equipment houses and signal equipment cases and
cabinets. The equipment includes track circuits, point machines, wayside signals,
interlocking equipment and transponders.

2.2.3 Equipment and Software in Central Control Room: ATS Servers, Man Machine
Interfaces, Large Video Screen along with Controllers, Firmware and Software, Fibre
Distribution Systems, etc.

3.1.1 Temporary Speed Restriction Function: A temporary speed restriction function (a
function to change control information indicated for Running Line outside of a Station
to another control information which indicates a running speed lower than one of said
control information) shall be provided.

3.1.2 Alarm Sound of Cab Signal: Cab Signal shall sound an alarm in a driving cab for the
following item:
a. In the case of the ATC and the fallback ATC (WHERE PROVIDED ) when control by the
control pattern is received and when the control pattern is updated.

3.1.3 Function of Interlocking: Interlocking shall have functions set forth in the following:
a. Track Lock
b. Route Lock
c. Sectional Route Lock
d. Approach Lock
e. Stick Lock
f. Signal control

3.2 Centralised Traffic Control System

3.2.1 Function of Centralised Traffic Control System: Centralised traffic control system shall
indicate the following items and shall allow setting of a Route of a Train which
enter/leave a Station or a Route of a shunting Vehicle on Running Line:
a. The position of a Train (including Vehicle) on Running Line and Depot Line which
has ATC route
b. Route clear situation on Running Line and Depot Line which has ATC route
c. Train number of a Train on Running Line and Depot Line which has ATC route.

3.3 Train Detection Devices

3.3.1 Function of Train Detection Devices: Train detection device which is used for Signalling
Equipment including ATC for Safety of Train Operation shall make sure to detect a Train
(including Vehicle) on the track.

Annexure G2: Brief of High Speed Signalling – Mumbai-Ahmedabad Page 502 of 535