AT&T System 75 Wiring Diagram page 305

CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION
"AUDICHRON"
H9040 ANNOUNCER
J11
3-PAIR
JACK
* POWER SUPPLY MUST BE PROVIDED
LOCALLY AND MUST BE RATED
AT -48V DC AT 1.2 AMPS
Figure 5-18. Connections for Power Unit to Wake-Up Announce-
ment Unit
Installing Dial Dictation Equipment
The procedures and requirements for installing the Recorded Telephone
Dictation feature is the same as for the Recorded Announcement
feature for analog access (Figures 5-13 and 5-14) and the same as
Music-on-Hold for auxiliary trunk access (Figures 5-9 and 5-10).
The port assignment for the feature is on the Station Record Form when
a TN742 or TN769 circuit pack is used. The port assignment for the
feature is on the Trunk Group Form For Customer-Provided Equipment
(CPE) when a TN763 auxiliary trunk circuit pack is used.
5-32
T
S
J1
1
T
S
2
-48V TO POWER
SUPPLY WHEN
BATTERY BACKUP
GND
IS PROVIDED*
-48V
TO POWER
SUPPLY WHEN
GND
BATTERY BACKUP
IS NOT PROVIDED*
20 GAUGE