Input/output unit used to interface external equipment to any Zeta addressable fire alarm system. Switch monitoring input with a 47K end-of-line resistor and a volt-free SELV relay output. Built in loop short circuit isolator to help keep the unit operational in case of a problem. Three indication LEDs on the front of the unit.
Operating voltage: 17 - 33 V DC. Operating temperature: 0ºC to 50ºC. Size: 127 x 88 x 59 mm. Weight: 220 g.