Direct connection to tn763 auxiliary trunk cp – AT&T System 25 User Manual
Page 149

INSTALLATION
Direct Connection to TN763 Auxiliary Trunk CP
Paging
●
●
equipment can be connected directly to a TN763 Auxiliary Trunk CP
2-55) when the following conditions exist:
Paging equipment is FCC registered.
Paging equipment requires a contact closure
Connect as shown in Figure 2-55, following the steps
1.
Connect the CP to a 66-type block, using
Use kit-of-parts D-1 81524 (PEC 62511).
N o t e : The 66-block provides a 3-pair
for proper operation.
below:
an A25D 25-pair cable.
interface to TN763
(see Appendix A of this manual for details).
2.
Using 4-pair inside wiring cable, connect the 66-block to a 103A
connecting block. Make the following connections:
66-Block Term.*
103A Term.
T
1
R
2
SZ
3
SZl
4
s
5
S1
6
*
T,R is the voice pair; SZ,SZ1 is the seizure request pair; and S,S1
is the seizure acknowledge pair to the TN763.
3.
Using a D4BU cord, connect the paging equipment to the 103A
b l o c k .
4.
If you are installing a PagePac 20 system, connect the speakers to
the receptacle on the back of the PagePac system.
2-122