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Forum Discussion
danieli-nello
Jan 30, 2023Aspirant
S3300-52X-PoE+ Change SFP+ port speeds to go into regular SFP
We have a secondary switch (GS728TPV2) that we would like to connect to our primary switch (S3300-52X-PoE+) through SFP but are running into issues with what I believe to be the differences in speed....
danieli-nello
Feb 07, 2023Aspirant
I understand there is no auto negotiation in the cable or transceivers, but can this not be set within the switch itself? You are able to choose the speed, duplex, and toggle auto negotiation for other ports, but not SFP?
schumaku
Feb 07, 2023Guru - Experienced User
danieli-nello wrote:
You are able to choose the speed, duplex, and toggle auto negotiation for other ports, but not SFP?
Correct.
- danieli-nelloFeb 07, 2023Aspirant
Unfortunate.
Thank you for your help! I suppose the best solution is to simply get another SFP+ switch then.
- schumakuFeb 07, 2023Guru - Experienced User
Two AGM731F or AGM732F SFP modules and a matching fiber patch should do the job. Sorry, my bad - missed that the GS728TPv2 does come with plain SFP only.
- danieli-nelloFeb 07, 2023Aspirant
Oh I think I understand, you are saying I could get the 1 G connection by simply having a regular SFP module on both ends, and the port itself can downgrade?
- schumakuFeb 07, 2023Guru - Experienced User
Yes, this makes a workable 1G fiber link, also on the S3300 SFP+ port.
- danieli-nelloFeb 07, 2023Aspirant
Fantastic, thanks again!
- schumakuFeb 07, 2023Guru - Experienced User
A much more affordable solution using SFP fiber modules from the free market 8-)
- danieli-nelloFeb 07, 2023Aspirant
Yep, already looking on https://www.fs.com/ they seem to have what I need.
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