20
Implicit implementation of the crossover function within a
twisted-pair cable, or at a wiring panel, while not expressly
forbidden, is beyond the scope of this standard.
A.2 RJ45 Cable Pin Assignment
There are 8 wires on a standard UTP/STP cable and each wire is
color-coded. The following shows the pin allocation and color of
straight cable and crossover cable connection:
Straight Cable
Cross Over Cable
SIDE 1
SIDE 1
SIDE 2
SIDE 1
SIDE 2
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
SIDE 2
1 = White/Orange
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
6 = Green
7 = White/Brown
8 = Brown
1 = White/Orange
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
6 = Green
7 = White/Brown
8 = Brown
SIDE 1
SIDE 2
1 = White/Orange
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
6 = Green
7 = White/Brown
8 = Brown
1 = White/Green
2 = Green
3 = White/Orange
4 = Blue
5 = White/Blue
6 = Orange
7 = White/Brown
8 = Brown
Figure A-1:
Straight-through and Crossover Cables
Please make sure your connected cables are with same pin
assignment and color as with the above diagrams before
deploying the cables into your network.
Summary of Contents for GTP-805A
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