![]() ![]() 2 wavelength testing is optional.įor single-mode fibre 2 wavelength testing is highly recommended for two reasons:įirst – single-mode cables can be long enough that the total attenuation can be very different at each wavelength because attenuation from bends in the cable depend on the wavelength. FTTD (Fibre To The Desk) cabling (“tertiary cabling”)Ī: Standards do not require bi-directional testing.įor multimode fibre they require testing at 1 wavelength.inter building cabling and campus cabling (primary cabling).building backbone cabling (“secondary cabling”).Dispute resolution between network equipment/configuration versus cable installation. ![]()
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