Allied Telesis AT-TS24TR - Manual (Page 72)

UTP Reference
58
UTP Hub-to-MAU
Wiring
Figure 54 shows a UTP cable with an RJ45 connector. For a 10BASE-T
link between a hub and a Medium Attachment Unit (MAU) or Network
Interface Controller (NIC), the cable is wired straight-through. That is, an
RJ45 receptacle at the hub would wire pin-to-pin to the RJ45 receptacle at
the MAU, as shown in Figure 55.
Figure 54: RJ45 Cable
Pin 1
Figure 55: Hub-to-MAU Wiring
(A) Usable and (B)
Unusable
Not Used
RD-
Not Used
Not Used
RD+
TD-
TD+
Not Used
Not Used
RD-
Not Used
Not Used
RD+
TD-
TD+
Not Used
RJ45 Pin RJ45 Pin
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
1
Pair twisted as per Level 3, 4 or 5 cable. 1
A
Not Used
RD-
Not Used
Not Used
RD+
TD-
TD+
Not Used
Not Used
RD-
Not Used
Not Used
RD+
TD-
TD+
Not Used
RJ45 Pin RJ45 Pin
1
2
3
4
5
6
7
8
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.
B