RF Troubleshooting Instructions
CCS Technical Documentation
Page 90
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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
.
-8 6
-8 5 ,5
-8 5
-8 4 ,5
-8 4
-8 3 ,5
-8 3
-8 2 ,5
-8 2
5 1 2
5 6 2
6 1 2
6 6 2
7 1 2
7 6 2
8 1 2
C h a n n e l
Read
in
g
(d
B
m)
A M S -B o x
C o u p le r
B E R(-1 0 2 d B m )
0
0,2
0,4
0,6
0,8
1
512
562
612
662
712
762
C h an n n e l
BE
R%
B ox
C oupler