User Guide

RF Troubleshooting Instructions CCS Technical Documentation
Page 90 ¤Nokia Corporation Issue 1 10/02
Figure 5: Signal Strength Reading
Figure 6: BER(-102 dBm)
When using JXS-1 shield box different RF attenuations have to be used. It is recom-
mended that in the shield box all measurement are performed only on channel 661 and
additional 2.5 dBm loss in added to Reference level offset, so that total RF attenuation
caused by JXS-1 shield box and CPL-6 Adapter is 6.5 dBm+ cable loss.
-86
-85,5
-85
-84,5
-84
-83,5
-83
-82,5
-82
512 562 612 662 712 762 812
Channel
Reading (dBm)
AMS-Box Coupler
BER(-102dBm)
0
0,2
0,4
0,6
0,8
1
512 562 612 662 712 762
Channnel
BER%
Box Coupler