I was recommended to use fs.com by a old colleague, he said that they will solve my problems.
And they did!

The SFP arrived Thursday afternoon (planned friday), worked straight out of the box in our Cisco switches.

Thank you for taking care of my problem

It was a very fast and good experience I will recommend to my friends...

My first experience shopping online with Fiberstore was wonderful. I already had an account.

This is my first order with Fiberstore and I find that ordering was easy and shipment was fast.

The best ever shopping experience

I got what i needed at an excellent pric.