![]() ![]() We’ve touched on bi-directional (bi-dir) fiber testing in previous blogs where we looked at bi-dir fiber testing and how to cut test times in half. The most thorough approach in these cases is to check and certify fibers bi-directionally, but as the saying goes there is more than one way to crack an egg, leading to many questions: do different bi-directional (bi-dir) test methods achieve the same end-goal, do they perform the same in terms of total testing time, is one approach better than another, or is one approach more suited for a specific application? If it’s existing networks, that means checking that fibers are still in good shape and that nothing has changed significantly since original deployment (remember that accidents and damage do occur and sections may have been replaced/repaired). If it’s a new link or network, that means verifying that fibers have been laid and spliced correctly in the first place. One thing that is critical for these new or upgraded services to function to their peak and with maximum reliably is that the physical layer fiber networks they are built on have no flaws. ![]() There are any number of things you can point to that demonstrate what is driving growth in fiber deployment, regional FTTH/PON initiatives, national high-speed broadband growth, core network 100/400G upgrades, or preparation for new services such as 5G.
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