... Wired/Wireless Alarm/Security System home alarm system fire alarm The sn2200 is a very powerful landline ... all the messages to the monitor center, including: Fire alarm, burglar alarm, Panic alarm (Stay arm zones ... when not working with Center Station, when the panel alarms and auto dial, the user can listen in, ... sn2300, 5900. Zone is defaulted as below: 1: fire, zone 2: panic zone 3: entry/exit delay, ...