User's Manual

Troubleshooting
33
Warning!
Do not remove the protective cover from the AUX port or insert a connector
into the AUX port. This will cause damage to the RFU, the ACU, or both.
The MAIN port has two LEDs: Link (right) indicates Ethernet connectivity, and
Activity (left) blinks to indicate Ethernet activity between the RFU and the ACU.
For all other conditions, refer to the following table.
Indication Possible Cause What to Do
Port LEDs do not light connection is not being
made between the RFU
and the ACU
• Verify that all cabling between
the ACU and the RFU is
properly connected.
• Verify that the ACU is powered
on.
• Contact Customer Support.