AT&T 75 Wiring Manual page 267

Figure 3-31. System Label Graphic Symbols and Designation Nomenclature
Figure 3-32 shows a typical cross-connect field layout using 300-pair terminal blocks for a
system of about 384 three-pair stations or 288 four-pair stations. Figure 3-33 shows a typical
cross-connect field layout using 900-pair blocks for a system of about 576 three-pair stations
or 432 four-pair stations. The blue field is for 3- or 4-pair station wiring from the equipment
room and the white field is for 3-pair station wiring from the equipment room to the
satellite closet as required.
Write Floor or
Building Identification
on Label as Required
for Easy Identification.
110-TYPE HARDWARE
3-51