VIAVI T-BERD/MTS-4000: How to change modules

Описание: Learn how to add a module to a VIAVI T-BERD/MTS-4000 OTDR. All you need is a flathead screwdriver or a coin!

For more information about VIAVI OTDRs (formerly JDSU): https://www.viavisolutions.com/en-us/...