AT&T 75 Wiring Manual page 80

Z100-TYPE HARDWARE
System Port Circuit Appearance and Trunk Labels
The labels shown in Figure 2-36 are used to identify system port circuit appearances and
network interface leads for trunk circuits. The top label shown in Figure 2-36 is a blank
white label. The bottom label shown in Figure 2-36 shows an example of how to fill out a
blank white label to be used when concentrator cables are located between the CAP and the
switch cabinet.
The top half of the label identifies system port circuit appearances. The bottom half of the
label identifies 1-pair or 3-pair trunk circuits that connect through the sneak fuse panel to
the network interface.
System Port Circuit Appearance and Auxiliary Circuit Labels
The label shown in Figure 2-37 is used to identify system port circuit appearances and
auxiliary leads. The label shown in Figure 2-37 shows an example of how to fill out a blank
white label (Figure 2-36) to be used when concentrator cables are located between the CAP
and the switch cabinet.
The top half of the label identifies system port circuit appearances. The bottom half of the
label identifies 3-pair auxiliary circuits that connect directly through the CAP to the switch
cabinet. These circuits are not cross-connected. This would include connections such as
those from a 71A data mounting to a Digital Line circuit pack.
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