A versatile, networkable access control unit, EXcel4 is an extremely cost effective solution to the access control and integrated security requirements of today. It features supervised inputs and relays making it suitable for monitoring and signalling alarm conditions or for integration with intruder alarm and building management systems. It also has an in-built TCP/IP port as standard to allow connection to modern IT networks, simplifying installation and commissioning. Max Cards 18,000. Readers: Maximum of 4 using the majority of reader, keypad and biometric technologies including TDSi EXprox, Optica and those with standard clock & data, 26-bit Wiegand and HID standard 37-bit (H10302) output formats. For IR technology only compatible with TDSi Digital Infrared readers. Up to 4 Doors. Communications: RS-232, RS-485, Ethernet (TCP/IP). Use in conjunction with EXgarde™ PRO to provide a complete, fully configured access control solution.