Chapter 4: Troubleshooting
4-6
DLE28-MA User’s Guide
4.3
TROUBLESHOOTING CHECKLIST
If the DLE28-MA or DLE3X-MA is not working properly, refer to
Table 4-4 for a checklist of possible problems, causes, and recommended
actions to resolve the problem.
Table 4-4
Troubleshooting Checklist
Problem
Possible Cause
Recommended Action
All LEDs are OFF.
Loss of Power to the
DLM6C-AA chassis.
Check the proper connection
of the power cable and its
access to a live outlet.
DLE28-MA not properly
installed.
Check the installation.
No Local
Management
Password screen.
Autobaud enabled. But
baud rate has not yet
been sensed.
Press ENTER (RETURN)
(may take up to four times).
Terminal setup is not
correct.
Refer to Chapter 5 for proper
setup procedures.
Improper console cable
pinouts.
Refer to Appendix A for
proper console port pinouts.
Cannot contact the
DLE28-MA from
in-band
management.
Improper Community
Names Table.
Refer to Chapter 5
for Community Names Table
setup.
DLE28-MA does not
have an IP address.
Refer to Chapter 5 for IP
address assignment
procedure.
Port is disabled.
Enable port.
No link to device.
Check link to device.
Port(s) goes into
standby for no
apparent reason.
DLE28-MA detects a
looped condition.
1. Review network design
and delete unnecessary
loops.
2. Contact your DIGITAL
representative for assistance
User parameters (IP
address, Device and
Module name, etc.)
were lost when the
DLE28-MA is
powered down or
the front panel
RESET button is
pressed.
Mode switch (7), NVRAM
Reset, was changed
sometime before either
cycling power or
pressing the RESET
button, causing the
user-entered parameters
to reset to factory default
settings.
1. Reenter the lost
parameters as necessary.
2. Contact your DIGITAL
representative for assistance
