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Installing Telephones and Adjuncts
GENERIC ANPLIFIER
OUTPUTS
J3
voice
coil
Speaker
70.7V
Line
PAGE INPUT
D4BU Cord
J1
Control Unit
MUSIC
408
IN
117 VAC
J6
J2
Loop-Start Trunk
Adapter
HARRIS/ DRACON
Model
22050-900
J2
J1
D4BU Cord
+24V
POWER
CABLE
GND
117VAC
WHEELOCK
POWER SUPPLY
MODEL EPS-2401
WARNING! The black wire from the LS trunk adapter power cable
must be connected to the + input of the Wheelock PS. The grey on
black wire must be connected to the input.
Figure 3-9. Single-Zone Paging with Customer-Supplied Amplifier
3-22
Installing Adjuncts