Page A-6
TWISTED PAIR WIRING TABLES
Port 8/20
Pin
Pin
Pin
B29 Black/Gray
RX+
1 TX+
1 TX+
1 TX+
B30 Gray/Black
RX-
2 TX-
2 TX-
2 TX-
B31 Yellow/Blue TX+
3 RX+
3 RX+
3 RX+
B32 Blue/Yellow
TX-
6RX-
6 RX-
6 RX-
Port 7/19
Pin
Pin
Pin
B25 Black/Green
RX+
1 TX+
1 TX+
1 TX+
B26 Green/Black
RX-
2 TX-
2 TX-
2 TX-
B27 Black/Brown
TX+
3 RX+
3 RX+
3 RX+
B28 Brown/Black
TX-
6 RX-
6 RX-
6 RX-
Port 6/18
Pin
Pin
Pin
B21 Black/Blue
RX+
1 TX+
1 TX+
1 TX+
B22 Blue/Black RX-
2 TX-
2 TX-
2 TX-
B23 Black/Orange
TX+
3 RX+
3 RX+
3 RX+
B24 Orange/Black TX-
6 RX-
6 RX-
6 RX-
Port 5/17
Pin
Pin
Pin
B17 Red/Brown
RX+
1 TX+
1 TX+
1 TX+
B18 Brown/Red
RX-
2 TX-
2 TX-
2 TX-
B19 Red/Gray
TX+
3 RX+
3 RX+
3 RX+
B20 Gray/Red
TX-
6 RX-
6 RX-
6 RX-
Table A-2. Twisted Pair Wiring
from a Punch Down Block to a 10Base-T Device (Continued)
From Punch Down
Block
To RJ-45
Wallplate
Into
Office
Drop
Into
10BASE-T
Device