AT&T System 75, Wiring Diagram

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CHAPTER 3. EQUIPMENT ROOM DESIGN
Cable Installation
Labels
The purple port Iabel shown in Figure 3-42 installed on both ends of
the 25-pair cables that connect to the trunk/auxiliary field and/or the
distribution field. The blue/yellow building and floor labels are for cables
that connect from the equipment room to a site/satellite location on
another floor or in another building. The yellow label is for auxiliary
circuits that connect to the trunk/auxiliary field or for SSI circuits that
connect to an AP.
The blue/yellow label is for 25-pair cables that connect to site/satellite
closets.
LABEL NAME RANGE
SAMPLE LABEL
PORT CABLE 1A1-1A10, 1B1-1B20,
1C1-1C20, 1D1-1D20,
1E1-1E20
BUILDING
FLOOR
AUXILIARY
CABLE
FIELD IDENTIFIED
FIELD IDENTIFIED
FIELD IDENTIFIED
PURPLE
BLUE/YELLOW
YELLOW
SITE OR
SATELLITE
A-F AND/OR
FIELD IDENTIFIED
BLUE/YELLOW
Figure 3-42. Equipment Room Cabling Labels
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