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Tender invited for Development of Train Collision Avoidance System

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ISO 9001: 2008 Effective from 18.06.2012 RDSO/SPN/196/2012 Version 3.1.1<br />

Document Title : Specification <strong>of</strong> <strong>Train</strong> <strong>Collision</strong> <strong>Avoidance</strong> <strong>System</strong><br />

Field No. <strong>of</strong> bits Value Description<br />

REF_END_OFFSET_INT 8<br />

Offset Interval in deci-sec (10 m.sec) in REF_END_FRAME_NUM <strong>of</strong> End<br />

xxxxxxxx<br />

Marker <strong>for</strong> <strong>Train</strong> Length Measurement<br />

DEST_STN_ILC_IBS_ID 14 xx xxxxxxxxxxxx ID <strong>of</strong> destined / aimed Station / Interlockd LC Gate/ IBS<br />

MOVEMENT_TRANSIT 1<br />

Entry <strong>of</strong> TRANSIT_LOCO_ID in section between "Local Station / Interlockd<br />

0<br />

LC Gate/ IBS" and DEST_STN_ILC_IBS_ID<br />

Exit <strong>of</strong> TRANSIT_LOCO_ID in section between "Local Station / Interlockd LC<br />

1<br />

Gate/ IBS" and DEST_STN_ILC_IBS_ID<br />

TRANSIT_LOCO_ID 14 xx xxxxxxxxxxxx ID <strong>of</strong> Loco/ <strong>Train</strong> making Transit<br />

TRANSIT_FRAME 15 xxx xxxxxxxxxxxx FRAME_NUM when the Loco / <strong>Train</strong> makes the transit<br />

GEN_SOS_CALL<br />

1<br />

0 General SOS Call generated by Stationary unit<br />

1 No SOS<br />

STN_ILC_IBS_LOC<br />

22<br />

xx<br />

Absolute Location <strong>of</strong> the Stationary unit in meters<br />

xxxxxxxxxxxxxxxxxxxx<br />

PREFERRED_TX_WINDOWS_ST<br />

0 Free<br />

ATUS 60<br />

1 Nominated as preferred transmission window <strong>for</strong> particular Loco unit<br />

CRC / Checksum 16 xxxxxxxxxxxxxxxx 16 bit Checksum / CRC<br />

Signal Directorate RDSO/Lucknow Page 51 <strong>of</strong> 56

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