AT&T 75 Wiring Manual page 283

The label code for the white station labels is 223A which contains the following:
60 white labels that identify 3-pair circuits from the equipment room to the satellite
closet (see Figure 3-46). Each label identifies 16 three-pair station circuits. There
are labels for satellite closets numbered A through F, and each satellite closet has
station circuits numbered 1 through 160.
20 unnumbered white labels (see Figure 3-46) that identify 3-pair station circuits
from the satellite closet. Each label identifies twelve 3-pair station circuits.
3-PAIR BLUE STATION LABELS
The labels shown in Figure 3-47 identifies 3-pair blue station appearances at the cross-
connect field. The top labels are numbered and should be installed in sequence (1 to 560)
starting with the first terminal block in the blue field. The bottom label must be filled in
manually.
Label Code 223A—White Labels (103 970 034)
110-TYPE HARDWARE
3-67