Digitrax PM74 Power Manager with Occupancy and Transponding detection for 4 sub-districts

PM74 Power Manager with Occupancy and Transponding detection 4 Power Manager sub-districts. Upgraded replacement for PM42, fully encased. Fully connectorized installation. Each Power sub-district / Detection Section (DS) supports Auto-reverse or Short circuit management. Each DS supports Occupancy detection. Each DS supports Transponding detection. Allows Mainline CV Read/Write program of compatible decoders. Remote LED status support. Series7 style advanced installation support using DT602. Replaces PM42 Quad Power Manager.