AT&T 75 - Labeling the Cross-Connect Field

Z100-TYPE HARDWARE
Labeling the Cross-Connect Field
Figure 2-27 shows graphic symbols used (instead of words) on labels for switch, cross-
connect, information outlets, and cables for the system. The labels are color-coded to
identify the system wiring as follows:
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Green—Leads to central office
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Purple—Leads to switch ports
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Yellow—Leads to auxiliary equipment and miscellaneous switch leads
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Blue—Leads to information outlets
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White—Leads from the cross-connect field to satellite locations (3-pair)
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Grey—Leads between cross-connect field sections and between satellite locations.
Figure 2-27. System Label Graphic Symbols and Designation Nomenclature
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