Version: 1.5
29
1.6.5 RJ21 DSL and Phone Connector
Connections are made with two 50-pin champ cables (Figure 1-18) that are attached to the RJ21
interface on IVD. Each cable terminates with a 50-pin Telco straight champ connector. Refer to
Table1-2 for cable pin assignments between the Line and the POTS splitter.
Figure 1-17. The RJ21 champ cable connection
Table 1-2. RJ21 Cables Pin assignment
Pin Number Wire Color TIP/RING
Port
Number
Pin
Number
Wire Color
TIP/RING
Port
Number
26
1
White/blue
Blue/white
TIP
RING
1
38
13
Black/green
Green/black
TIP
RING
13
27
2
White/orange
Orange/white
TIP
RING
2
39
14
Black/brown
Brown/black
TIP
RING
14
28
3
White/green
Green/white
TIP
RING
3
40
15
Yellow/blue
Blue/yellow
TIP
RING
15
29
4
White/brown
Brown/white
TIP
RING
4
41
16
Black/gray
Gray/black
TIP
RING
16
30
5
White/gray
Gray/white
TIP
RING
5
42
17
Yellow/orange
Orange/yellow
TIP
RING
17
31
6
Red/blue
Blue/red
TIP
RING
6
43
18
Yellow/green
Green/yellow
TIP
RING
18
32
7
Red/orange
Orange/red
TIP
RING
7
44
19
Yellow/brown
Brown/yellow
TIP
RING
19
33
8
Red/green
Green/red
TIP
RING
8
45
20
Yellow/gray
Gray/yellow
TIP
RING
20
34
9
Red/brown
Brown/red
TIP
RING
9
46
21
Violet/blue
Blue/violet
TIP
RING
21
35
10
Red/gray
Gray/red
TIP
RING
10
47
22
Violet/orange
Orange/violet
TIP
RING
22
36
11
Black/blue
Blue/black
TIP
RING
11
48
23
Violet/green
Green/violet
TIP
RING
23
37
12
Black/orange
Orange/black
TIP
RING
12
49
24
Violet/brown
Brown/violet
TIP
RING
24
50
25
Violet/gray
Gray/violet
TIP
RING
25 is dummy
Pin25
Pin 1
Pin 26
Pin 50
Male