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Non-Vital System and Communications Software
7.3.3
Communications
iVPI communications include:
•
Office - provides local or interlocking information to a remote office for display while
allowing the office to control routing through the interlocking
•
Remote Access Terminal
•
Automatic Train Dispatch
•
Platform Signs
•
Intra- or Inter-system Communications - allows expansion of the system or
partitioning of the non-vital subsystem into multiple processors; also allows
neighboring locations to exchange interlocking information
The communications protocols are distributed with the CAAPE software package.
7.4
SYSTEM SOFTWARE INTERFACE MATRIX
See Section 4 in Alstom publication P2521B, Volume 1, for Alstom’s library of
communications protocols.
P2521A, Rev. G, Nov/13
7–5
Alstom Signaling Inc.