| General | Digital signal processor based design, fully configurable from front panel with password protection | 
| Environmental | - Operating temperature : 32 - 120°F (0 - 49°C)
 - Relative humidity : Up to 93% @ 90°F (32°C)
 - To be installed in normal dry indoor environment only
 
  | 
| Primary Supply | - 110 - 120 VAC 60Hz (3.86A), or
 - 220 - 240 VAC 50Hz (1.96A)
 
  | 
| Secondary Power Supply | - Two 12V in series lead-acid batteries set
 - Charging capacity: 40AH
 
  | 
| Power Outputs | Internal power supply for
 - AMI
 - ALUs and Addressable Loop Circuits
 - NOUs and Notification Appliance Circuits
 - XNUs, External Network Circuits
 - ROUs
 
  | 
One auxiliary power supply
 - Non-Resettable/Resettable Power Output (configurable)
 - Power limited
 - 24VDC
 - Output current: 500mA in normal standby, 1200mA in alarm
 - Power Factor Rating: 0.35
 - Special application: Compatible devices are the Annunciator Model FW121 / FW121C /FW122W / FW122R / FW122CW / FW122CR and IO Module Model FW821.
 
  | 
Relays Output   | - One programmable relay
 - 4 non-programmable status relays
 - Status: Alarm, Supervisory, Trouble, Monitor
 - Form C Contact
 - Contact Rating: 2A 30VDC
 - Power Factor Ration:0.35
 
  | 
| Notification Appliance Circuits | - Total of 4 circuits supported, total power available 8A
 - 2 Class A or 2 Class B circuits on each NOU
 - Maximum Current: 2A per NAC circuit
 - Alarm Voltage: 24V nominal
 - Bell code: Temporal 3
 - Panel supports one regulated 24 VDC NAC, or four specialapplication24VDC NAC. Refer to Table 20 for specific appliances/devices.
 - Max line loss: 1.8 V.
 
  |