The FalconXT system controller supports as many as 125 RS485 devices, eight supervised inputs, two auto-configuring Wiegand devices, eight general purpose open collector inputs, and four dry-contact relays.  An on-board Ethernet, RS232, and USB connection provides TCP/IP communication with a host computer.

Falcon XT Technical Specs
Max AI Devices	127
Connectivity (PC)	RS-232, USB, TCP/IP
Connectivity (AI Dev	RS-485, 900Mhz Wireless
Board I/O	2 Wiegands, 8 Inputs, 4 Relays