Can sfp+ module work in sfp slot?

Discussion in 'Networking' started by Freebsd1976, Apr 13, 2019.

  1. Freebsd1976

    Freebsd1976 Member

    Feb 23, 2018
    Likes Received:
    I think it will not and google it ,most post said it can’t but in ubnt faq said yes.
    UFiber - SFP/SFP+ and Active Fiber FAQ
    According the link it say
    Can I use SFP+ modules in an SFP slot?
    Yes, a SFP+ module will work in a SFP slot at 1000Mbps speeds.

    Any one know this will work or not? I want like er-x-sfp with SX6012 using sfp+ dac -> qsa adopters
  2. Waterkippie

    Waterkippie New Member

    Oct 12, 2017
    Likes Received:
    Usually this will not work.

    A SFP can go in an SFP+ slot and make the slot run at 1G if the switch supports it, but usually an SFP+ doesnt work on 1G in an SFP slot.

    Dual Rate 1G/10G SFP+ transceivers are meant to run a SFP+ slot on 1G. Not to be inserted into a SFP slot.
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