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Community Member

Cisco 3550 POE - upgrading to Catalyst 3560-24PS

The 3550 has 2 Gbic ports and the 3560 has 2 sfp ports. How can i connect the 2 switches properly? I have 3 of the 3550 and i want to connect all 3 to the the 3560 since it has 24 1000 ports.

Any advice?

3 REPLIES
Community Member

Re: Cisco 3550 POE - upgrading to Catalyst 3560-24PS

You will need to buy 3 UTP GBIC cards for your 3550 switches then uplink to the UTP ports on your new 3560. Remember to force the speed and duplex on both ends of the uplinks.

http://fluxlightinc.com/prod.php?id=143

Thats the UTP GBIC that I use on my switches.

Community Member

Re: Cisco 3550 POE - upgrading to Catalyst 3560-24PS

Thx for your reply. So I will not be able to use the SFP ports to connect to the old 3550's?

Re: Cisco 3550 POE - upgrading to Catalyst 3560-24PS

Yes you can but the modules differ

3550 use 1000baseSx modules which required SC connectors whereas 3560 uses GLC-SX-MM= which requires LC connectors.

So get hold of a SC-LC connector and connect

HTH

Narayan

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