AT&T System 75 Wiring Diagram page 131

CHAPTER 3. EQUIPMENT ROOM DESIGN
1
9
BLUE
1 2 3 4 5 6 7 8
9 1 0 1 1 1 2 1 3 1 4 1 5 1 6
USAGE:
IDENTIFIES 3-PAIR STATION APPEARANCES THAT
CONNECT TO A 356A ADAPTER. LABELS ARE
NUMBERED IN SEQUENCE FROM 1 TO 560.
CODE NO:
224A
BLUE
USAGE:
CUSTOMER IDENTIFICATION OF 3-PAIR STATION
APPEARANCES THAT CONNECT TO A 356A
ADAPTER.
CODE NO:
224A
Figure 3-32. 3-Pair Blue Station Wiring (Equipment Room) Labels
3-48