Network Device User Guide SMC7500A/VCP

T ROUBLESHOOTING
18
The outer wire-pair is only connected if there is a second telephone line,
and carries voice only.
Pin Signal Name Wire Color
1 Not used
2 Line 2 Tip Black or
White/Orange
3
Line 1 Ring Red or Blue/
White
4
Line 1 Tip Green or
White/Blue
5
Line 2 Ring Yellow or
Orange/White
6
Not used
123456
Blue/White
White/Blue
R1 T1
123456
Red
Green
R1 T1 R2T2
Black
Yellow
123456
Blue/White
White/Blue
R1 T1 R2T2
White/Orange
Orange/White
6x2 Jack 6x4 Jack6x4 Jack
T=Tip R=Ring