User's Manual

Troubleshooting
32
Indication Possible Cause What to Do
failed initialization
• Reboot the system: unplug the
ACU, and plug it in again. Boot
up may take several minutes.
fan is not working
• Verify that the fan is operational.
• If the fan is not working, unplug
the ACU and contact Customer
Support.
RJ45 port Link and
Activity LEDs are not
lit, or the Activity LED
is not blinking
connection is not being
made between RFS
components
• For the affected port, verify that
all cabling between components
is properly connected:
ACU front
Port 1 NCU
Ports 2-8 not currently used
ACU back
Ports 1-8 RFUs
RadioFrame Unit
The RadioFrame Unit, or RFU, has two RJ45 ports on the top of the back cover of
the unit: MAIN and AUX. Only the MAIN port is used. The AUX port has a
protective cover that must not be removed. During installation, ensure that the
RFU is receiving connectivity from the ACU before inserting RadioBlades into
the RFU or placing the front cover on the RFU.