3Com 100 TX User Manual page 27

Adapter
1
2
3
4
5
6
7
8
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.
100BT
1x 2x 3x 4x 5x 6x
12345678
Figure 3-3 RJ-45 Connector Pin Assignments
Making Network Connections
Hub
1
2
3
4
5
6
7
8
ACTIVITY
7x 8x 9x 10x 11x 12x
LINK
PARTITION
STATUS UNIT 3C250-TX
FAN FAIL CLSII
OVERTEMP CLSI
COLLISION PWR
1 2 3 4 5 6 7 8 9 10 11 12 13
RD+ RD – TD+
1 2 3 4 5 6 7 8
3-3
®
TD –