Wilan LIBRA 5800 AP, User Manual

Page: 38 / 156

Configuration
38 Libra 5800 Series User Guide
Note:
If you retype the new password incorrectly, appears and you must start again at Step
2.
OFDM Channel Statistics:
The following values are displayed in real time on the Setup menu to help the installer determine how
well the Libra unit is communicating with the Access Point. These values are as follows:
Link Test
Once the unit has been configured as desired, the Link Test option can be selected from the setup
menu. This results in test data being transmitted to and from the Libra unit. Statistcs for RSSI and
BER (coarse and fine values) and shown in real-time to allow the person setting up the unit to adjust
it for the best performance (signal strength and BER).
Note: When the Libra-5800 is configured as a point-to-point unit, the "Dest Radio Id" field is not
selectable.
OFDM Channel Statistics
RSSI (dBm)
Received Signal Strength Indicator in dBm
Null Depth (dB)
Difference in dB between the lowest signal sub carrier and the
highest signal sub carrier. This value is an indication of the level of
multi-path signals present in the link.
Fade Margin (dB)
Signal-to-noise ratio of the signal; value in dB above the sensitivity
level of the modulation being used (e.g. -75dBm for 16QAM, see
Specifications , page 24 for the values).
RF Link Status
This indicates whether any data is being transmitted from the Libra
unit.
Failure