Interlogix MCR300-1T-2S - Manual (Page 16)

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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 SIDE 1 SIDE2
SIDE 1
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
Crossover Cable SIDE 1 SIDE2
SIDE 1
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 /
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 Cable
Please make sure your connected cables are with same pin assignment and color as above picture before deploying the cables into
your network.