Installation guide

Troubleshooting Checklist
4-4 Troubleshooting
Troubleshooting Checklist
Ifthemoduleisnotworkingproperly,refertoTable 4‐2forachecklistofproblems,
possiblecauses,andrecommendedactionstoresolvetheproblem.
RX/TX Indications in Standard Mode
RX
(Receive)
Off No link. No activity. Port
enabled or disabled.
None.
Green Solid. Link present, port
enabled, no traffic is being
received by the interface.
None.
Amber Flashing. Link present, port
enabled, traffic is being
received by the interface.
None.
TX
(Transmit)
Off Port enabled, but no activity. If it is known that the port should be
active and is not, contact
Enterasys Networks for technical
support.
Green Flashing. Indicates data
transmission activity. Rate of
flashing indicates the data
rate.
None.
Red Flashing. Fault or Error
(collision).
None, unless there is a high rate of
activity. In this case, check for network
configuration problems or a defective
device.
Table 4-1 LANVIEW LEDs (continued)
LED Color State Recommended Action
Table 4-2 Troubleshooting Checklist
Problem Possible Cause Recommended Action
All LEDs are OFF. Loss of power. Ensure that the DFE module was installed
properly according to the installation
instructions in Chapter 3, and that the
host chassis is providing power.