Northern Telecom DNC-50 Installation Manual page 95

88 Cross-Connections to Distribution Frames and Building
Table 9-A
Wiring Table and Color Coding for LANlink Cables
Each LANlink connection consists of four leads: Tip and Ring for transmit and Tip/Ring for receive. Use
the color codes and table below to connect the individual wires of the 25-pair LANlink cable to the
distribution frame. These cables are also used for analog lines, which can be either two-wire or
four-wire.
LANLink Wiring Table
Color Code Standard
b = blue
o = orange
g = green
Cable Lead Number = Color Code
1-1 = w-b
1-2 = b-w
2-1 = w-o
2-2 = o-w
3-1 = w-g
3-2 = g-w
4-1 = w-bn
4-2 = bn-w
5-1 = w-s
5-2 = s-w
6-1 = r-b
6-2 = b-r
7-1 = r-o
Practice 450-1011-201
bn = brown
s = slate
w = white
7-2 = o-r
8-1 = r-g
8-2 = g-r
9-1 = r-bn
9-2 = bn-r
10-1 = r-s
10-2 = s-r
11-1 = bk-b
11-2 = b-bk
12-1 = bk-o
12-2 = o-bk
13-1 = bk-g
13-2 = g-bk
r = red
bk = black
y = yellow
14-1 = bk-bn
14-2 = bn-bk
15-1 = bk-s
15-2 = s-bk
16-1 = y-b
16-2 = b-y
17-1 = y-o
17-2 = o-y
18-1 = y-g
18-2 = g-y
19-1 = y-bn
19-2 = bn-y
20-1 = y-s
v = violet
20-2 = s-y
21-1 = v-b
21-2 = b-v
22-1 = v-o
22-2 = o-v
23-1 = v-g
23-2 = g-v
24-1 = v-bn
24-2 = bn-v
25-1 = v-s
25-2 = s-v