Adds four multi-purpose I/O ports to an RTI XP series control processor. Use multiple PCM-4 modules for virtually unlimited control of devices. Communication with XP processor over Ethernet for easy expansion to anywhere a LAN connection exists. Variable IR output power. One 12VDC voltage trigger output. Powered via 12VDC power supply, included or PoE using class 3 PoE Ethernet router/injector.

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