K-4
Appendix K Audio Equipment Compatible with 520 Hz Low Frequency Alarm
Compatible Audio Equipment (continued)
Audio Options
Alongside
Compatible
Equipment
The following equipment is not part of the signal path for the 520 Hz Low Frequency Alarm
signal and therefore may be used along side compatible components of the audio system.
Table K-3. Audio Options That May Be Configured Alongside Compatible Equipment
Notification Appliance Description Model Numbers
Auxiliary Audio Input Board 4100-1240
Audio Operator Interface Modules 4100-1252
4100-1253
4100-1254
4100-1255
Expansion Bay 4100-2300
Audio Expansion Bay Harness Kit 4100-2320
Constant Supervision Modules 4100-1259
4100-1260
Message Expansion Board 4100-1241
4100-1242