LambdaDriver 400 & 800
ML46430, Rev. 07
October 2004
Table 22: Startup and Operation Troubleshooting (Cont’d)
27
No
communication on
a channel
WDM power signal
too weak.
1. Check the link integrity by
performing the RLB test as
described in Appendix C
.
2. Check cable connections.
3. Check device at other end of cable.
4. Check whether the cable is
damaged.
5. If the cable is fiberoptic, clean its
connectors as described in
Appendix E.
6. Using the command
get-card-
wdm-power
, determine the input
and output power of the
transponder.
7. If
the
output
power is too low,
replace the transponder.
8. If
the
input
power is too low:
a. Check the output power of the
remote transponder. Replace
the remote transponder if its
power is too low.
b. Check the cabling
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