User Manual
AS8100 Sitespan User Guide Version 3.7
605-0000-426
DLP 068
Draft Issue 6.0 Date 4/4/00
Page 213 of 305 © 2000 Airspan Communications Ltd
MEASURING FIXED ASSIGNMENT BIT ERROR RATE
(BER).
Use this procedure to monitor the error performance of Fixed Assignment
Modem links. The Downlink is from the CT to ST and the Uplink is from the ST
to CT.
STEP PROCEDURE
1. Select Shelf View
2. Click on the modem to be measured.
3. Either double click the mouse on the modem or from the View menu, select Airspan
60 Modem Card View.
4. The Link Performance (BER) is displayed for both the Uplink and Downlink.
5. In normal operation the BER should be equal to or better than 1 in 10
-7
. An alarm is
initiated when the BER is greater than 1 in 10
-3
.
STOP. THIS PROCEDURE HAS BEEN COMPLETED.