C-COR Flex Max901e Equipment Manual page 88

Figure 6.4
Troubleshooting
Flow Diagram
(2 of 2)
6
6-8 Flex Max901e 1GHz Trunk and Bridger Amplifiers
Sheet 1
1
FWD RF signal
input levels
correct?
Yes
FWD RF signal
input levels
correct?
Yes
REV RF
signal
input levels
correct?
Yes
REV RF
signal
output levels
correct?
Yes
Troubleshooting procedure has
been successfully completed.
All amplifier voltage and signal
levels are correct.
Check previous amplifier
No
for output and cable and
conductors for damage.
Check that all EQs and PADs
are securely in place. If so,
No
and outputs are still incorrect,
replace the RF module and
rebalance. If still not within
range, replace the housing.
Check cable on output port
No
for damage. Check next amplifier
in chain away from
headend.
Check that the Reverse PAD
and EQ are securely in place.
No
If so, and outputs are still
incorrect, replace the RF
module. If still not within
range, replace the housing.
1502154 Rev D