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adequate space for proper ventilation.
3.
Check the power supply connectivity and proper wiring of power
supply lines.
4.
Check RF gain value adjustment and make sure is within the proper
range.
5.
Always keep the optic fiber connectors clean. Prevent the output
optical power decrease caused by optic leakage.
6.0
WARRANTY AND REPAIRING UNITS
1. Each unit is packaged with<Product QA> and serial number. We do
provide two years warranty for the product.
2. The software CPU has the purpose of monitoring laser status, digital
display, alarms and network management. In case of red LED blinking
(Alarm), please return the equipment for repairing. User should not open the
top cover for repairing; opening the cover of the EDFA unit will void the
warranty, maintenance and material fees will be charged for repair if the unit
has been tampered.
3. Lifetime maintenance and upgrade for all EDFA products is provided after
warranty period has expired.
4. If components are damaged by user tampering or mishandling factors,
repairing fees will be charged.
