AT&T System 75, Wiring Diagram

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CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION
Connections for the AP alarms are shown in Figure 5-23.
Installation of AP Alarms
1 .
2 .
3 .
At the rear of the AP, connect a B25A (for 110-type hardware) or
A25B (for 66-type hardware) cable to the REMOTE ALARM
connector, then route the cable to a connector associated with a
yellow row/connecting block in the trunk/auxiliary field to be used
for the AP alarms (Figure 5-23).
At the trunk/auxiliary field, connect jumpers from the seventh pair
on the yellow AP row to ALARM MONITORS terminal 1M (Figure
5-23). Designate the seventh pair as MAJ 1.
Connect jumpers from the ninth pair on the yellow AP row to
ALARM MONITOR terminals 1M (Figure 5-23). Designate the ninth
pair as MIN 1.
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