NAC
LEDs
Disable - Enable Switches
for Backup Alarm
(Figure 3.12 on page 28)
LED10 – SLC Loop
Ground Fault LED
LED5 - Supervisory LED
LED7 - Pre-Alarm LED
LED6 - Security LED
LED3 - Point Disabled LED
LED2 - Signals Silenced LED
LED4 - System Trouble LED
LED8 - Fire Alarm LED
LED1 - Power-on LED (AC or battery)
System Switches - ‘No
Keyboard Operation’
SW5 - Acknowledge
SW6 - Silence
SW7 - Reset
CPU320-KAPS-291809.wmf, CPU2-640-
JP1 - SLC Ground
Fault Jumper
SW1 - Ground Fault Detection Enable/Disable
LED3 - Earth Fault LED (general board ground fault)
Figure 2.3 NFS-320 and Power-Supply: Jumpers, LEDs and Switches
LED5 - +24V Aux LED
LED6 - +5V Aux LED
LED6 - +5V Aux LEDLED1 - Logic Power LED
LED2 - Trouble LED
LED4 - AC Power LED
F4- AC Fuse