Allied Telesis AT-1720AT User Manual page 25

AT-1720
RJ45 Pin
TD+
TD-
RD+
Not Used
Not Used
RD-
Not Used
Not Used
RJ45 Pin
TD+
TD-
RD+
Not Used
Not Used
RD-
Not Used
Not Used
Figure 2: Usable and Unusable 10BASE-T Cable
24
1
Pair twisted as per Level 3, 4 or 5 cable.
1
2
3
4
5
6
7
8
This cable will not work for 10BASE-T.
Note that 3 and 6 are twisted, but are not a pair.
1
2
3
4
5
6
7
8
A
1
1
B
RJ45 Pin
1
TD+
2
TD-
3
RD+
4
Not Used
5
Not Used
6
RD-
7
Not Used
8
Not Used
RJ45 Pin
1
TD+
2
TD-
3
RD+
4
Not Used
5
Not Used
6
RD-
7
Not Used
8
Not Used