AT&T System 25 - Manual (Page 152)

INSTALLATION
Loudspeaker
S y s t e m
C r o s s
Connect
F i e l d
Red
103A
o r
W a l l
J a c k
Green
Line Cord
B 2 5 A
o r
A 2 5 D
Auxiliary Cabinet or Wall Field
T
25-Pair
F Conn.
on ED-
1E443-
1
0
P a n e l
T
R
909A/B Universal Coupler
25-Pair
F Conn.
on ED-
1E443-
1 0
P a n e l
P G 1 / B Z 1
BSY1/BY1
BSY2/BY2
P G 2 / B Z 2
CMS2/M2
CMS1/M1
M u s i c
Source
- 4 8 V D C
Power Supply P W R G R D
+/-9.5-60V dc
Power Supply
Port Cabinet
* Replaces: 36A Voice Coupler
89A Control Unit
2 7 B A A d a p t e r
T N 7 6 3
C i r c u i t
P a c k
Figure 2-55a. Loudspeaker Paging with Background Music
November 1995 2-124a