I've never used one before. But now we have a need to move some SFP+ ports that are currently connected using twinax cables over to some copper 10G ports. So we're looking into buying 8 10GBase-T SFP+ transceivers and getting rid of the SFP+ twinax cables, and connecting these ports over CAT6 into a 10GBase-T switch. Basically we have 4 SFP+ ports in an expansion module on out 10GBase-T switches, and we need to replace those expansion modules with 40GbE QSFP modules, so we need to figure out a way to get rid of those SFP+ ports without having to buy a brand new switch. So we figure this is our best option.
Are there any risks with this? Any concerns? Could it introduce any additional latency, which is very important in this setup as these will be linking a blade array into the SAN fabric? I've never used these types of transceivers before, so I'm just a little weary.
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