What is SFP?


The Gigabit RJ45 copper SFP transceiver supports 1000Mbps over Cat5 cables with RJ45 instrumentality interface, that operates on commonplace Cat5 unprotected twisted-pair copper cabling of link lengths up to 100 m (328 ft). GLC-T is a typical Cisco 1000BASE-T SFP copper RJ-45 transceiver. For short-distance links on a Gigabit switch, it makes no distinction if you utilize SFP ports or RJ45 ports to interconnect switches.



Copper SFP is standard to be used for brief vary uplinks, as it’s easier and cheaper to use 1G copper SFPs and patch cables. And SFP ports are primarily for permitting fiber connections over longer distances. Particularly in some case, Copper SFP can add up if the turn on one facet doesn't have copper ports but SFP slots and the turn on the other side only has copper and can’t be fitted with fiber ports. Or if you don’t need the space of fiber, you can think about changing SFP to RJ45, which can depend upon the switch to work out what copper speeds (10/100/1000) are supported on a copper SFP. Moreover, exploitation copper SFPs to attach the regular copper Gigabit ports may be a wise option to build the simplest use of the corresponding variety of SFPs on existing connected switches.


Read more about SFP Fibre.

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