System Configuration Menu - GE MDS TD220MAX Technical Manual

Robust communications for positive train control

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5.3

System Configuration Menu

•

Timing Source – The timing source used by the radio to precisely determine current time and the

start of each second. Mobile radios are configured for OTA to synchronize with a base radio

running GPS and/or PTP.

•

Send OTA Beacon – Base Radios Only – This parameter requests the radio to transmit beacons

in the first timeslot of each second when no message is received from the Communication

Manager for the time slot. Beacons are required to maintain OTA timing of mobiles.

enabled; disabled]

•

STFP Configuration – Access the STFP Configuration menu to set the STFP operating

parameters.

•

Timing Signal Timeout – If the selected timing input is missing for this duration, the radio

asserts an alarm.

Figure 15. System Configuration Menu (Base)

Figure 16. System Configuration Menu (Mobile)

[GPS, PTP, GPS w/ PTP fallback, PTP w/ GPS fallback, OTA; OTA].

[2-255 seconds; 60 seconds]

TD220MAX Technical Manual

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MDS 05-6906A01, Rev R

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