EDFA-S20H and EDFA-S20L Modules
LED
Name
LED
Colors
Potential Cause Solution for Troubleshooting
N Yellow OSC OPT power
control high or low
1 Verify that the EDFA module is connected to the OSC module and that OSC signal is present at the EDFA module.
2 Verify the setting of the OSC power provisioning.
3 Based on indicator (high or low); check the OSC optical power level from the OSC module and verify it is within
specification.
4 If the issue is not resolved, replace the EDFA module
Pump temperature
high/low threshold
1 Verify that the equipment operating environment for the shelf containing the module meets specifications, and that
the air filter is clean and unobstructed.
2 Verify that there are no abnormal conditions or failures of the fan units within the shelf containing the module.
3 Verify that the module placement and that the surrounding equipment contained within the same shelf conform to
the product’s engineering guidelines.
4 If the issue is not resolved, replace the EDFA module.
EDFA GAIN/TILT
abnormal,
VOACTRL Fail
1 Measure the optical input power on the receiver connector to verify that the value is within specifications.
2 Check gain/tilt settings.
3 Remove and reinsert the module. If the condition persists, return this EDFA to ADVA Optical Networking for repair.
Pump laser EOL Replace the EDFA module.
Green The EDFAis oper-
ating normally
without any facility
defects.
No action is required.
Table 91: LED Status of the EDFA-S20H and EDFA-S20L Modules
FSP 3000R7 Maintenance and Troubleshooting Manual - Product Release 16.2 - Document Issue A 489