Owner's manual

Fire Detector Input Modules (T7419)
PD - 7032 Mar - 06 11
circuit under all four operating conditions. If necessary,
contact the factory for assistance in applying your specific
field inputs and barriers to the fire detector input module.
Keying
The I/O chassis can be physically keyed to prevent accidental
damage caused by inserting a module into a slot wired for a
different module type. Figure 4 illustrates how the slot keys
are installed on the I/O chassis slot field wiring connectors.
The slot key positions for the monitored digital input module
are listed in Ta ble 1 .