Quaere: When the DCS signal is turned on, it appears that there must be a continuous signal emanting from the TIU, since a loco can detect signal strength even without any command being sent. Up above in this thread, it is suggested to use a second TIU turned on and off to generate a continuous watchdog. If you have 2 TIUs (or equivalent) sending simultaneous DCS signals (I didn't say commands) to the same block of track, are there any issues resulting?
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