Maintenance Testing with and Out-of-Band OTDR
Maintenance and troubleshooting of fibers on a live network presents challenges not present when simply testing “dark” fibers. This application note discusses these challenges and presents options and guidelines for the selections of wavelengths for different fiber deployments and applications. The note will also present the use of filters and wave division multiplexers (WDMs) as necessary optical components required to test in-service fiber networks.
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