Forum Discussion

Aspirant

Oct 03, 2016

Solved

Problems connecting Netgear XS748T to Ubiquiti UniFi US-48-750W via SFP+ Port

We purchased a new Netgear XS748T switch and are trying to connect it to our existing network that consists of several Ubiquiti UniFi US-48-750W switches and we are trying to connect them using the 1...

Installation

Troubleshooting

bluefoot
Oct 07, 2016
It appears that I solved the problem myself. I purchased a set of:
10Gtek for Cisco SFP-10G-LR, 10Gb/s SFP+ Transceiver module 1310nm, 10km

And the LR version worked instantly. I honestly don't know what the difference is between an SR SFP+ module and an LR SFP+ module but for whatever reasons the LR module allowed these two switches to connect.

Here are links to the modules and cable used in case anyone else needs a solution to this:

LR SFP+ Module:
https://www.amazon.com/gp/product/B00UMS905G/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

Fiber cable:
https://www.amazon.com/gp/product/B00T5796DQ/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

LaurentMa

NETGEAR Expert

Oct 05, 2016

Thank you. Now that you have Technical Support opened case, we are going to take it simply from there.

After the troubleshooting, we will recapitulate actions taken and output here in this ticket, so that it can serve the Community.

Regards,

bluefoot

Aspirant

Oct 07, 2016

It appears that I solved the problem myself. I purchased a set of:
10Gtek for Cisco SFP-10G-LR, 10Gb/s SFP+ Transceiver module 1310nm, 10km

And the LR version worked instantly. I honestly don't know what the difference is between an SR SFP+ module and an LR SFP+ module but for whatever reasons the LR module allowed these two switches to connect.

Here are links to the modules and cable used in case anyone else needs a solution to this:

LR SFP+ Module:
https://www.amazon.com/gp/product/B00UMS905G/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

Fiber cable:
https://www.amazon.com/gp/product/B00T5796DQ/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

JohnRo
NETGEAR Employee Retired
Oct 07, 2016
Hi bluefoot,

I'm glad that you issue is now sorted out. The problem may be from the older SFP modules that you have, probably compatibility? I encourage you to mark your post above as "Accept as Solution". So others can be confident in benefiting from the solution. The Netgear community looks forward to hearing from you and being a helpful resource in the future!

Thanks,