Table 7. COM Port Troubleshooting
Problem Possible Root Cause Actions
COM port LEDs (green and orange) are
not illuminated
l
COM port LEDs not powered
l
COM port LEDs defective
l
Internal failure - COM card may be
damaged
1 - Verify that the unit is powered.
2 - Verify that the ePDU and your PC are
c
ommunicating.
COM port LEDs are On, but do not
flash
when the link is made to the PC
l
Communication issue
l
Internal failure
1 - Make sure that IP settings and communication
parameters (PC a
nd ePDU) are set according to the
Eaton Advanced ePDU User’s Guide and normal
protocols.
2 - Restart the Network Management Card by pushing
the
recessed reset button and waiting 40
seconds for
the connection to be re-established.
NOTE Attention: This will power off
the loads.
3 - Restart the ePDU by unplugging the mains and
waiting 40
seconds after power has been
re-established.
NOTE Attention: This will power off
the loads.
4 - Try uploading the Network
Management Card
firmware using instructions in the Eaton Advanced
ePDU U
ser’s Guide
.
NOTE If the actions listed in this table do not resolve the problem, contact customer service or a local representative for guidance and/or
replacement (see “Contacting Service and Support” on page 5).
Troubleshooting
Eaton Advanced ePDU Troubleshooting Guide P-164000140—Rev 1 www.eaton.com/ePDU 10
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