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SFP transceiver in SFP+ port

Jonn cos
Level 4
Level 4

‎06-03-2013 12:24 AM - edited ‎03-07-2019 01:41 PM

Hi all,

My query is specific to cisco. If i have a SFP+ port in any switch/router etc, can i insert and use SFP port in that ? i recall reading somewhere that SFP+ port is backward compatible with SFP ports.

By backward compatible i mean that we can insert a sfp port in sfp+ port and it will work in 1 G mode. I know that if one end is 10 G and other is 1G it wont work.

Kindly guide

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4 Replies 4

Leo Laohoo
Hall of Fame
Hall of Fame

‎06-03-2013 12:29 AM 

If i have a SFP+ port in any switch/router etc, can i insert and use SFP port in that ?

Yes.  This is supported.

Jonn cos
Level 4
Level 4
In response to Leo Laohoo

‎06-03-2013 12:42 AM

Oh good,

Sir is there any Cisco document which i can refer to clients if they ask about it ?

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Leo Laohoo
Hall of Fame
Hall of Fame
In response to Jonn cos

‎06-03-2013 02:28 AM

1.  Go to this website:  Cisco Gigabit Ethernet Transceiver Modules Compatibility Matrix

2.   Search for a switch which has a dual-speed SFP port, like a 2960S-24TD and see what SFP are compatible.

Calvyn Lee
Level 1
Level 1

‎04-29-2021 09:07 PM

I am aware that All Cisco Catalyst switch SFP+ is backward compatible to SFP.

 

How about SMB switches? (SB or CB Series)

 

Does it apply the same concept with Catalyst switch?

Calvyn Lee
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