ALU – ADDRESSABLE LOOP UNIT

One ALU can support one addressable loop circuit, which supports up to 252 points of addressable devices. It can initialize and operate all devices residing on the loop and it communicates all relevant devices and event information, such as alarms and troubles, to the Central Processing Unit (CPU). No limitation between device types.

NOU – NOTIFICATION OUTPUT UNIT

One NOU can support two independent notification appliance circuits with synchronization. The circuit topology supports Class A or Class B wiring. The maximum current is 2A per NAC. Multiple notification code types available.

ROU – RELAY OUTPUT UNIT

One ROU card can support five dry contact relays: Alarm Relay, Supervisory Relay, Trouble Relay, Other Signal Relay, and Programmable Relay. The Relay contacts are in the C Form Style. The address is set by the rotary switch on the board. Valid address is 1. It meets the UL864 10th Edition Listed standard.

XNU – EXTERNAL NETWORK UNIT

The IQ600E provides both Class X and Class B wiring to communicate with panels and annunciators in Network to form a fire network system. It meets the UL864 10th Edition standards. It can support up to 109 panels or remote annunciators.