AT&T Network Adapter 25 Installation And Maintenance Manual page 145

Music Source
(Customer supplied)
(Optional)
G R
M S H I
MSLO
Twisted Pair
26AWG Min.
System 25
ZTN78
Circuit
8 5 8 A
P a c k
Adapter
W P - 9 0 7 8 0
Octopus Cable
November 1995
Music-on-Hold
i n t e r f a c e
( K S - 2 3 3 9 5 )
GR GR
MSHI CT
MSLO CR
PR R
PT T
Figure 2-53a. Music-on-Hold
INSTALLATION
9 0 9 A / B
DW8A-SE
Univversal Coupler
(Replaces 36A
Voice Coupler)
CT
J 2
C R
J 1
T
DW8A-SE
J 3
-48V
- 4 8 d c
Power
Source
GRD
2-119a