Programming Documents for Pre-K for SA - The City of San Antonio

NOTE–This requirement is intended to minimize untwisting of cable pairs and the separation
of conductors within a pair. It is not intended as a twist specification for cable of jumper
construction.
The T568A and the optional T568B wiring schemes are recognized for use with horizontal
copper cable. Only one of the wiring schemes will be used in a project.
11.3.2 Steps—IDC Termination
1) Using a sheath removal tool, remove the cable sheath in accordance with the termination
equipment manufacturer’s specifications.
2) Binder groups are found in 50 pair cables and above. Separate and identify binder groups.
See Table 4.
3) Limit the untwisting of cable pairs to the minimum length required to make the termination.
The untwist of cable pairs shall not exceed 0.5 inch.
4) Terminate cable according to connecting hardware manufacturer’s recommendations.
Table 4. Color-code chart up to 600 pair
Pair Number Tip Ring Binder Group Pair Count
1 White Blue White-blue 001-025
2 White Orange White-orange 026-050
3 White Green White-green 051-075
4 White Brown White-brown 076-100
5 White Slate White-slate 101-125
6 Red Blue Red-blue 126-150
7 Red Orange Orange-red 151-175
8 Red Green Red-green 176-200
9 Red Brown Red-brown 201-225
10 Red Slate Red-slate 226-250
11 Black Blue Black-blue 251-275
12 Black Orange Black-orange 276-300
13 Black Green Black-green 301-325
14 Black Brown Black-brown 326-350
15 Black Slate Black-slate 351-375
16 Yellow Blue Yellow-blue 376-400
17 Yellow Orange Yellow-orange 401-425
18 Yellow Green Yellow-green 426-450
19 Yellow Brown Yellow-brown 451-475
20 Yellow Slate Yellow-slate 476-500
21 Violet Blue Violet-blue 501-525
22 Violet Orange Violet-orange 526-550
23 Violet Green Violet-green 551-575
24 Violet Brown Violet-brown 576-600
25 Violet Slate
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