AT&T System 75 Wiring Diagram page 297

CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION
RECORDED
ANNOUNCEMENT
OR DIAL
INFORMATION
DICTATION
OUTLET
EQUIPMENT
R RED
T GREEN
LINE
CORD
PART OF AUXILIARY CABINET (SEE NOTE)
25-PAIR
FEMALE CONNECTOR
ON ED-1E443-10
36A VOICE
PANEL
T
T
T
R
R
R
TRANSFORMER
NOTE: AUXILIARY CABINET IS OPTIONAL.
USE WITH 66-TYPE CONNECTING BLOCK
*
†
USE WITH 110-TYPE TERMINAL BLOCK
‡
TN763B CAN BE USED ONLY FOR RECORDED TELEPHONE DICTATION.
Figure 5-14. Connections for Non-FCC Registered Recorded
Announcement/Dial Dictation Equipment (Analog
Access)
5-24
STATION WIRING
SATELLITE,
SITE, OR
ADAPTER
LOCATION
B25A* OR
A25D† CABLE
25-PAIR
FEMALE CONNECTOR
ON ED-1E443-10
PANEL
COUPLER
T
CT
R
CR
AC ACG
2021D
POWER
PART OF CROSS-CONNECT FIELD
STATION SIDE SWITCH SIDE
110P6A
PATCH
BLUE OR YELLOW
CORD OR
WHITE FIELD
JUMPERS
FIELD
PART OF CROSS-CONNECT FIELD
STATION SIDE
T
R
110P6A
PATCH
YELLOW
CORD OR
FIELD
JUMPERS
A25D
CABLE
T
R
SWITCH SIDE
TO
TN742,
T
TN769,
OR
TN763B‡
R
CIRCUIT
PACK
PORT
PURPLE
FIELD