Mimosa Client Help Content
Mimosa Clients Troubleshooting Guide
Copyright © 2014 Mimosa Page 85
Ethernet Troubleshooting
Most Ethernet problems we see are related to cabling. The 1000BaseT standard is far more sensitive to coupled
noise than 100BaseT, which is why we highlight in our documentation that shielded CAT6 is required for reliable
operation. The cable shield should make contact with the metal Ethernet connector, and the metal Ethernet
connector should make contact with the metal PoE receptacle (if applicable).
CAT6 cable is not included with the Mimosa radio since Mimosa does not know the required length for each
installation, and many installers have specific cable brand and type preferences.
No Ethernet
If you are unable to establish an Ethernet connection between the radio and another device, please review the LED
External Status Indicators page.
Port Flapping (alternating between Link Down and Link Up)
Repeated link down and link up messages in the Event Log (Diagnostics > Logs > Events) indicate a power or
cabling problem.
Example Event Log Messages
MIMO_EVENT ethernet link down
MIMO_EVENT ethernet link up (1000/Full)
MIMO_EVENT ethernet link down
MIMO_EVENT ethernet link up (1000/Full)
Troubleshooting Steps:
Ensure that the AC cable is secure at the PoE and AC outlet. If AC power fluctuations are expected, install a1.
UPS with power conditioning to ensure a clean source of power to the PoE.
Ensure that high quality shielded CAT6 cable is installed between the Mimosa PoE and Mimosa radio, and that2.
the total cable length is 100 meters (328 feet) or less. Test continuity of the cable with an Ethernet cable
tester.
If possible, replace the PoE Injector in order to determine if the port flapping issue is with the Radio or the PoE3.
Injector.
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