Cabletron Systems 2H28-08R User Manual page 38

Chapter 3: Installation
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.
2. Connect the twisted pair segment to the module by inserting the RJ45
connector on the twisted pair segment into the RJ45 port on the
module shown in
RX LED
3. Verify that a link exists by checking that the port RX LED is on
(flashing amber, blinking green, or solid green). If the RX LED is off
and the TX LED is not blinking amber, perform the following steps
until the RX LED is on:
a. Verify that the 10BASE-T or 100BASE-TX device at the other end
of the twisted pair segment is powered up.
b. Verify that the RJ45 connector on the twisted pair segment has the
proper pinouts.
c. Check the cable for continuity.
d. Make sure that the twisted pair connection meets the cable
specifications outlined in the Cabletron Systems Cabling Guide.
e. Confirm that the crossover switch is in the correct position.
f. To manage the connected port, see
3-12
Figure 3-9.
=
x
1 0
1 0 0
X
F E -1 0 0 T
TX LED
Figure 3-9 FE100-TX Port
2H28-08R SmartSwitch 2208 User's Guide
RJ45
Section 5.11.
2251-14