Cabletron Systems 2H23-50R User Manual page 37

Position X
(crossed over)
1. RX+
2. RX-
3. TX+
4. NC
A schematic of a crossover cable is shown in
not cross over, use the switch on the FE-100TX to internally cross over
the RJ45 port.
NOTE:
RX+/RX– and TX+/TX–
must share a common
color pair.
Figure 3-8 Cable Pinouts - RJ45 Crossover Cable
Connect an FE-100TX to a twisted pair segment as follows:
1. Ensure that the device connected to the other end of the segment is
powered on.
2H23-50R/2H33-37R User's Guide
5. NC
6. TX-
7. NC
8. NC
Figure 3-7 FE-100TX Crossover Switch
TO
RJ45 Port
RX+
1
RX– 2
TX+
3
TX–
6
Connecting to the Network
Position =
(not crossed over)
1. TX+
x
=
2. TX-
10
100
3. RX+
FE-100TX
4. NC
Figure
RJ45 to RJ45
5. NC
6. RX-
7. NC
8. NC
16651_05
3-8. If the wires do
TO
10BASE-T Device Port
RX+
1
RX–
2
TX+
3
TX–
6
2251-31
3-11