Notifier XPP-1, Processor Module For XP Series TranspondersCondition:* Used, Removed From Service In Working Condition.* Sold As-Is. As Pictured.Additional Notes:* Notifier’s XP Series Transponders are controlled by the XPP-1 Processor Module. The XPP-1 is the only required module in the XP Transponder system.* The XPP-1 provides two Form-C relays plus one monitoring point that can be mapped into the FACP system. * The base address for the XP Transponder is set by two rotary switches on the module.* This module controls up to three XPC, XPR, or XPM expansion boards installed in any combination in the system: XPM-8 Transponder Monitor Module provides eight Style B or four Style D Initiating Device Circuits. XPC-8 Transponder Control Module provides eight Style Y or four Style Z Indicationg Appliance Circuits XPR-8 Transponder Relay Module provides eight single Form-C or four dual Form-C dry contact relays.Notifier XPP-1