GAI-Tronics 300 Series RED ALERT Emergency Telephone Manual - Manual (Page 25)

P UB . 42004-438K
300 S ERIES E MERGENCY T ELEPHONE M ANUAL P AGE
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Auxiliary Outputs
Each telephone includes two isolated solid state switches capable of switching a maximum of 48 V dc,
125 mA or 28 V
RMS
ac, 80
RMS
mA. TB2 (OUT1) and TB5 (OUT4) on the emergency telephone PCBA
provides the connections for the auxiliary outputs. Refer to Figure 23 for the location of TB2 and TB5.
Refer to the “Auxiliary Output Control” section on page 28 for additional information.
Figure 23. No. 69577-101 Emergency Telephone PCBA (Top View)