AiPhone RY-PA DOOR RELEASE RELAY, 12V DC, N/O, Stock# RY-PA kvm adapter and can be expanded to

and can be expanded to up to 4 inside master stations

The durable Greenlee BUSHING-SPCL

The durable NEC Plastic Card Kit for DTP-32D / DTU-32D 770625 in a Set of 10  770625 is a NEC Plastic Card Kit for DTP-32D / DTU-32D

The 4 Port Extension Expansion Card may be used to connect:

Provides audio and video communication

AiPhone RY-PA DOOR RELEASE RELAY, 12V DC, N/O, Stock# RY-PA kvm adapter and can be expanded toThe quality AiPhone RY PA This is a door release relay 12V DC, N O that can be used with LEF, LDF and NDR systems. It has a ten relays built into one unit for easy installation, has an electric strikes or maglocks that can be used for selective door release applications, each relay can be used for both camera call up and selective door release and has a ten relays built into one unit for easy installation. Features: Door release activation for LEF