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

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.