Nortel ICS Install Manual page 274

274 / Connecting the wiring
ICS U Interface Cards wiring (profile 1, 3 or 4) (Continued)
Pin Wire color
17 Orange-Yellow
43 Yellow-Green
18 Green-Yellow
44 Yellow-Brown
19 Brown-Yellow
45 Yellow-Slate
20 Slate-Yellow
46 Violet-Blue
21 Blue-Violet
47 Violet-Orange
22 Orange-Violet
48 Violet-Green
23 Green-Violet
49 Violet-Brown
24 Brown-Violet
50 Violet-Slate
25 Slate-Violet
BRI U wiring is not polarity sensitive.
For an explanation about port numbering, see Port numbering on the wiring charts on page 260.
Modular ICS 7.1 Installer Guide
Port (loop) Service
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Lines (U-NT) TE (U-LT)
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