Specifications

Model SK-6324 Fire Control Panel Installation/Operation Manual
4-14 151117
Pin 3
Pin 1 NAC 1 Trouble Outputs when a trouble condition exists on NAC 1.
Pin 2 NAC 2 Trouble Outputs when a trouble condition exists on NAC 2.
Pin 3 NAC 3 Trouble Outputs when a trouble condition exists on NAC 3.
Pin 4 Dialer Trouble
Outputs when any type of trouble occurs with the dialer,
such as, no line voltage or a communication failure.
Pin 5 Expander Trouble
Outputs when one of the Serial Devices connected to the
control panel is in trouble.
Pin 6 Alarm Silenced Outputs when an alarm has been silenced.
Pin 7 Low AC
Outputs if the control panel looses AC power or AC power
drops below the control panels low AC threshold.
Pin 8 Low Battery
Outputs when the backup battery voltage drops below 20.4
VDC.
Pin 9 Ground Fault
Outputs when the control panel detects a ground fault
condition.
Pin 10 Walk Test Active Outputs when the control panel is in walk test mode.
Pin 11 Piezo Output
Outputs correspond to any trouble condition output from
the control panel.
Pin 12 Local Trouble
Outputs if the end-of-line resistor on the Reset or silence
inputs not detected or if a serial communication problem
occurs between this device and the control panel.
Table 4-7: Pin-outs for Open Collector Outputs
Pin
Connector
Pin Number Output Description