EDFA-S20H and EDFA-S20L Modules
LED
Name
LED
Colors
Potential Cause Solution for Troubleshooting
N Off The port
administrative state
is disabled or this
interface is
unassigned.
1 If the EDFAmodule is installed and provisioned (including the N and U interfaces), check the administrative state
settings. If the management system displays “disabled”, change the administrative state to “In Service”.
2 If the EDFA module is not provisioned, or the N interface is not provisioned, initiate the provisioning process.
U Red
blinking to
off
Fiber connection
invalid, Tx and/or Rx
1 Carefully trace the fiber to the far-end port and determine to which port the fiber is connected. If required, adjust the
fiber connections at either or both ends, so they conform to the intended fiber connection provisioning plan.
2 If the condition persists, replace the module at the far-end of the fiber.
3 If the condition fails to clear, replace the module supporting this facility.
Fiber connection
mismatch, Tx and/or
Rx
Yellow Loss of signal 1 Verify that the upgrade port is correctly connected.
2 Verify that the OSC facility transmitted by the far end is correctly configured, that it is operating normally, and that it
is correctly connected into the transmission fiber.
3 Verify that the incoming fiber connector is clean and firmly connected to the receive port associated with the
facility. Clean the connection or replace the cable, plug or module, as appropriate.
4 Verify that a signal is present at the cable termination and that the signal conforms to the required specifications.
5 If the signal meets the required specifications, locate the source of the signal problem upstream and repair the
problem.
6 If the problem continues, replace the module supporting the facility.
Table 91: LED Status of the EDFA-S20H and EDFA-S20L Modules
490 FSP 3000R7 Maintenance and Troubleshooting Manual - Product Release 16.2 - Document Issue A
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