3-4
12345678
128
64
32
16
8
4
2
1
ON OFF
Figure 3-1. 4098-9789, -9791, -9792, -9793, -9796, Sensor Bases Location of DIP Switches
Figure 3-2. 4098-9794, 4098-9795, , 4098-9798 Sensor Bases Location of DIP Switches
Note: The 4098-9794 Sounder Base, 4098-9795 Multi-Sensor Sounder Base, and 4098-9798
Sounder Base have a 9-position DIP Switch. The first eight DIP Switches set the sounder
base address. DIP Switch Position 9 is set to OFF or ON depending upon the sounder base
power source. When the sounder base is connected to a 24 VDC power source, DIP
Switch Position 9 is set to “OFF” and the 24 VDC power is supervised by the sounder
base. When the sounder base is powered by the panel’s Notification Appliance Circuit
(NAC), DIP Switch Position 9 is set to “ON” and the power is supervised by the NAC and
not the sounder base. The -9797 Base has the same layout, but doesn’t offer sounder
functionality. It uses only an 8-way DIP switch.
Continued on next page
4098 TrueAlarm Sensor Bases,
Continued
Setting the Base’s
Address
DIP Switch Position 9
“ON” for NAC Power Input
DIP Switch Position 9
“OFF” for 24 VDC
Power Input
“ON” Position
DIP Switches
“OFF” Position
DIP Switches
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