The document describes the MS-9600LS(E) and MS-9600UDLS(E) intelligent addressable fire alarm control panels (FACPs). The FACPs support up to 318 addressable devices on a single signaling line circuit (SLC) loop with optional expansion. They provide features such as four onboard notification appliance circuits (NACs), programmable relays, EIA-232 printer interface, and 80-character LCD display. Optional modules include digital alarm communicator transmitters, annunciators, and intelligent addressable detectors and monitor modules.