3Com 100 TX - Manual (Page 27)

Making Network Connections 3-3
Figure 3-2 Pin Assignments for Straight-Through Cabling
The pin assignments for the 100BASE-TX transceiver interface module are
the same as the pin assignments for the RJ-45 ports on the hub’s front
panel. Figure 3-3 shows the RJ-45 connector pin assignments.
Figure 3-3 RJ-45 Connector Pin Assignments
1
2
3
4
5
6
7
8
Adapter Hub
1
2
3
4
5
6
7
8
1
12345678
2 3 4 5 6 7 8
TD – TD + RD – RD +
®
1x 2x 3x 4x 5x 6x 7x
100BT STATUS
8x 9x 10x 11x 12x
1 2 3 4 5 6 7 8 9 10 11 12 13
ACTIVITY
UNIT
LINK
PARTITION
CLSII
3C250-TX
CLSI
PWR
FAN FAIL
OVERTEMP
COLLISION