USER MANUAL FOR COMFLEX-6900
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4.3 DIGITAL DISPLAY INDICATORS
4.3.1 DIGITAL DISPLAY ON RFU
The digital display tube on RFU shows the DL input power. The range of DL input power shown on the
display tube is from -19 to 33 (dBm), when DL input power is lower than -19dBm, it will show L, when DL
input power is higher than 33, it will display H.
Figure 35: RFU Digital Display
Table 9: RFU Digital Display
Figure
DL Input Power Level
L
< -19dBm
-19~33
-19~33dBm
H
>
33dBm
4.3.2 DIGITAL DISPLAY ON FOU
The digital display tube on optical module has two digits.
The first digit will display A, b, C and d which presents the No. of optical port. Refer to below figure for the
relationship.
The second digit will display the optical loss of each port. See the following table for the relationship of
figure and optical loss.
A
b
C
d
Figure 36: Optical Port No. and Digital Display
