ADTRAN 25 manual 128

INSTALLATION

Connection to ZTN76 or ZTN77 CP

PagePac 20 system with ZoneMate 9/39 and Common Control Unit (CCU) provides up to nine/thirty-nine paging zones and multizone groups.

To connect a PagePac 20 system, make connections using the following steps (Figure 2-58):

1.Place the PagePac amplifier on the ZoneMate and the CCU.

2.Connect the three units as follows:

a . Plug the cord attached to the CCU into the modular jack on the PagePac system.

b. Connect the 25-pin cable between the ZoneMate and the C C U .

c . Plug GR Molex connector from CCU into PagePac 20.

3.Using a D4BU modular cord connect the jack on the back of the CCU to the 103A connecting block.

4.Using 4-pair inside wiring cable, connect the 103A connecting block to the TAE 700A block. Make the following connections:

700A Block Term.	103A Term.
T	1
R	2

5.Attach the speakers to the ZoneMate.

6.Set the switch on the CCU to LS for loop-start trunks or GS for ground-start trunks.

7.For ground start trunks, connect the black lead from the 2-pair cord supplied with PagePac 20 to the System 25 cabinet ground block.

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