An indication panel that repeats the indications set to the SignallerA person responsible for the operation of the Signalling System, to safely control the passage and regulation of trains, usually located in a Signal Box. More and
allows the maintainer to monitor the state of the interlockingA general term applied to the setting and releasing of Signals and Points to prevent unsafe conditions arising; also the equipment which performs this function.... More. It generally
contains additional fault condition indications.