INTERFACE UNIT

SERIAL 4 RELAY UNIT
UNIT NO:77.38.2009.00
PCBNO: 73.00.0152.00

HRP CONTROL
DP ANALOG TO SERIAL INTERFACE UNIT
HRP CONTROLS
UNIT NO: 77.73.0045.00
PCB NO: 73.00.0170.00
Repair ONLY
DP SERIAL TO DC INTERFACE UNIT
HRP CONTROLS
UNIT NO: 77.73.0046.00
PCB NO: 73.00.0173.00
Repair ONLY