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Installing Adjuncts
CUSTOMER-SUPPLIED AMPLIFIER
OUTPUTS
voice
Speaker
coil
Control Unit
WARNING!
I
/
J5 J4
D4BU
PAGE INPUT
Cord
J1
117VAC
HARRIS/DRAC0N
Model
22050-900
D4BU
Cord
GND
J2
●
J1
+24V
POWER
CABLE*
,
Loop-Start Trunk
Adapter
I
117VAC
WHEELOCK
POWER SUPPLY
MODEL EPS-2401
The black wire from the LS trunk adapter power cable
must be connected to the + (positive) input of the Wheelock PS. The grey on
black wire must be connected to the - (negative) input.
Figure 3–23. Single-Zone Paging with Customer-Supplied Amplifier
3-32 Installing Telephones and Adjuncts