Specifications

Chapter 5 Diagnostics and Troubleshooting FibeAir 4800 Installation and Operation Guide
5-16 FibeAir 4800 Installation and Operation Guide
Verify that AC power is connected to the IDU. No power
Verify that the ODU cable is properly wired and connected.
Complete the installation procedure from the management
software.
No signal
Verify the ODU alignment. Check that the radio configuration
of both site A and site B units are the same (channel and
SSID).
Weak signal Verify the ODU alignment, reconfigure the link.
Verify the beeper sounds the Best Signal sequence.
The FA4800 LEDs show faults in the system or the link.
Table 5-6. Troubleshooting with FA4800 LEDs
LED Status Remedy
PWR Off Check that AC adapter is connected to the IDU-E
and the AC power outlet.
IDU Orange Check that the IDU/ODU cable is properly wired
and connected.
ODU Red Check that the IDU/ODU cable is properly wired
and connected.
Orange Complete the installation procedure from the
management software.
AIR I/F
Red Check the ODU Antenna alignment. Check that
the radio configuration of both site A and site B
units are the same (channel and SSID).
Off Check the TDM service configuration in the NMS.
Orange Check that the system is not in loopback mode.
Check the site B IDU ports and cables and site B
external equipment.
SERVICE
Red Check the site A IDU ports, cables and external
equipment.
5.7 Frequently Asked Questions
Q: What performance issues will arise due to environmental conditions?
A: FA4800 is not sensitive to environmental conditions. However if heavy rain or
snowfall is expected ensure the performance by allowing a higher fade margin in
the link budget planning calculations.
Q: When using the FA4800, what is the potential for interference between our
system and other cellular or wireless Networks devices?