AT&T 3.0 manual Single-Zone Paging with Customer-Supplied Amplifier

Installing Adjuncts

Speaker

D4BU

Cord

CUSTOMER-SUPPLIED AMPLIFIER

OUTPUTS

voice coil

J5 J4

PAGE INPUT

J1

117VAC

I

/

Control Unit

	HARRIS/DRAC0N
		Model	Loop-Start Trunk
		22050-900
			Adapter
J2		● J1

D4BU

Cord

+24V

POWER

C A B L E *

GND

,

I

117VAC

WHEELOCK POWER SUPPLY

MODEL EPS-2401

WARNING! 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

3-32Installing Telephones and Adjuncts