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Optical audio cables

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Optic

— cable for transmitting digital audio signal optically using light pulses. Usually, it uses connectors specially designed for such a connection. Technically, it is one of the varieties of the S / P-DIF interface; like coaxial (see the relevant paragraph), it is capable of transmitting multi-channel audio over a single cable. At the same time, the key advantage of such a connection is complete insensitivity to electromagnetic interference — only light from which the fibre is reliably shielded by an opaque sheath can affect the signal. On the other hand, the cable itself is quite delicate — in particular, it does not tolerate sharp bending and strong pressure (in other words, it is highly undesirable to step on the fibre).
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Intel E25GSFP28SR network transceiver module Fiber optic 25000 Mbit/s SFP28 850 nm
from £56.41 up to £69.12 
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Intel Ethernet SFP28 Optics are available for customers who would like to deploy Intel Ethernet Network Adapters with an SFP28 optic. The Intel Ethernet Network Adapter XXV710 with SFP28 connectivity more→delivers a proven reliable solution for deployments of high density Ethernet.

The Intel Ethernet Network Adapter XXV710 supports SFP28 connectors enabling customers to have network connections via either direct attach Twinax copper cables or SR and LR optical modules. The Intel Ethernet Network Adapter XXV710 has all the server and network virtualization capabilities of the Intel Ethernet 700 Series adapters but
at 25GbE speed. With 25GbE backward compatibility to 10GbE it provides a natural …
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