By sending control signals only when cable monitoring is idle, this case avoids interference and preserves both submarine functions.
Dual monitoring of communication and power line continuity detects unintended vehicle separation and triggers braking on disconnected rail cars.
Dual-line monitoring detects unintended convoy decoupling and triggers braking so separated railway vehicles remain controllable.
Dual monitoring of communication and power lines detects unintended convoy disconnection early and enables braking of separated vehicles.