Troubleshooting Core Type TDM Channel Modules
LED
Name
LED Colors Potential Cause Solution for Troubleshooting
Mod Yellow blinking
to off
Management
communication to the
module has failed.
1 Check the SCU firmware version, and
compare it to the SCU firmware version
as listed on the NCU. If they are
different, update the SCU firmware, as
described in “Performing Other Software
Update Actions” on p.628.
2 Remove and insert the module.
If the LED is still blinking yellow to off,
contact your ADVA Optical Networking
Technical Services Representative.
Off Module admin state is
disabled.
1 If the module is installed and provisioned,
check the administrative state settings.
2 If the module administrative state is set
to “Disabled,” change it to “In Service,”
“Management,” or “Maintenance.” For
information about the administrative
states, refer to the System Description,
"Management" chapter.
Off Module admin state is
unassigned.
1 If the management displays “UAS”
(unassigned), check whether the module
is provisioned.
2 If required, provision the module.
Green Module is provisioned,
admin state is set to
“Maintenance,”
“Management,” or “In
Service.”
No action is required.
Cx Red Pluggable transceiver is
provisioned, but not
installed.
Install the pluggable transceiver.
Laser failure If a replacement pluggable transceiver is
available, exchange the malfunctioning plug-
gable transceiver. Return the malfunctioning
pluggable transceiver to ADVA Optical Net-
working.
Yellow Loss of clock 1 Verify that the provisioned service type
matches the incoming signal type.
2 Check optical power measurements.
Refer to the procedure, “Finding Your
Problem - Follow the Light” on p.53 in
this document.
Table 26: LED Status of the 10TCC-PCN-40GU+100G
152 FSP 3000R7 Maintenance and Troubleshooting Manual - Product Release 16.2 - Document Issue A
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