Cabletron Systems 2E43-51 User Manual page 37

RX LED TX 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 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
e. Confirm that the crossover switch is in the correct position.
If a Link is not established, contact the Cabletron Systems the Global Call
Center. Refer to
2E43-51/2E43-51R User's Guide
x
=
1 0
1 0 0
X
F E - 1 0 0 T
Figure 3-10 FE100-TX Port
Section 1.6 for details.
Connecting to the Network
RJ45
Section 2.3.
2251-14
3-13