this post was submitted on 15 May 2024
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Single mode fiber cable: which SFP module? (lemmy.world)
submitted 6 months ago by peregus@lemmy.world to c/homelab@lemmy.ml
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My Internet provider just installed a 2,5/1Gbps Internet connection and I've asked the guys to run a couple of their fiber to connect my router (HP Prodesk with OPNsense) to my server. I didn't know that the fiber is single mode and all the SFP+ sold used now seems to be all for multi mode fiber (www.bargainhardware.co.ukfor example). The cable is about 30m, can I use a 810nm SFP+ or is it definitely better to use a 1310nm?

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[–] dnls@lemmy.world 5 points 6 months ago

You absolutely need the correct sfp. Multimode is not compatible with singlemode fiber.