Troubleshooting Access Type TDM Channel Modules
The 4TCA-PCN-4GU(S)+4G has eight LEDs on the faceplate:
• “P” to indicate the power supply status
• “Mod” to indicate the operation status of the module
• “C1”, “C2”, “C3”, “C4”, “NW” and “NE” to indicate the interface status
This module has 4 client interfaces (C1, C2, C3 and C4). The LED states Table 41 will refer to one client
interface (Cx) as an example for all client interfaces on the module.
Note
When a module is removed, it should not be reinserted for at least 10 seconds to allow all power
on the module to dissipate.
LED
Name
LED Colors Potential Cause Solution for Troubleshooting
All LEDs Red A serious error in card
initialization.
Remove and reinsert the module.
If the condition continues, return the module to
ADVA Optical Networking for repair.
P Yellow Power is abnormal.
Off Power failure
Green Power is ok. No action is required.
Mod Yellow Communication
between protected
channel modules has
failed.
Check the Config tab on the port associated with
the protection and verify that the module AIDs
for the protected modules are correct.
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 In case the module is installed and
provisioned, check the admin state settings.
2 If the management displays “disabled”,
change the admin state to “In Service”,
“Management” or “Maintenance”.
Module admin state is
unassigned.
1 If the management displays “unassigned”,
check if the module is provisioned.
2 If required provision the module.
Table 41: LED Status of the 4TCA-PCN-4GU(S)+4G
258 FSP 3000R7 Maintenance and Troubleshooting Manual - Product Release 16.2 - Document Issue A
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