Fiber Optic GBIC Module to Mini-GBIC

I've got a Cisco Catalyst 3550 that uses a GBIC Module to connect a fiber connection. We are wanting to replace it with a gigabit switch and we bought a Cisco Small Business SLM2048T-NA switch. It doesn't have the same GBIC module on it however. I've seen that we can buy a Mini-GBIC for our fiber connection, but I don't really know much about fiber connections. We need to figure out what adapter will work for hooking the fiber connection into the new switch. I've attached a pdf that has a picture of the ports on the switches and shows the fiber connection. Any help is greatly appreciated.
Switches.pdf
FIFBAAsked:
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Soulja53 6F 75 6C 6A 61 Commented:
You need to switch to an LC connector. You currently use an SC type connector, so you can either get LC terminated fiber or an SC to LC adaptor so you can use your existing fiber. You will also need a LC type SFP Module.
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Craig BeckCommented:
You'll probably need a GLC-SX-MMD= (That's the part code)

We can confirm if you tell us what the actual GBIC model is in the original switch.

You'll also need new patch cables with LC connectors at the switch end, as Soulja suggests.
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FIFBAAuthor Commented:
Thanks for your reply. We found four Mini GBIC modules that are available. can you help me choose which one to buy?

http://www.serversupply.com/NETWORKING/TRANSCEIVER/GBIC%20-%20SFP/LINKSYS/MGBLH1.htm

http://www.serversupply.com/NETWORKING/TRANSCEIVER/GBIC%20-%20SFP/CISCO/MGBSX1.htm

http://www.supplysale.com/Item.aspx?sku=CA2020IM&sgd=321d316d318d316d318&zmam=63922997&zmas=1&zmac=4&zmap=CA2020IM&gclid=CKi96rLn5LkCFSpk7Aod0jAATA

http://www.serversupply.com/NETWORKING/TRANSCEIVER/GBIC%20-%20SFP/CISCO/MGBLX1.htm

We found a partner company that told me they can make/have a cable that would take it from SC to LC for me, so I have that part taken care of. I just want to make sure I buy the right LC SFP adapter.

Thanks again!
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Craig BeckCommented:
As I said, tell us what GBIC you have in the original switch and we can match it with a SFP equivalent.
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FIFBAAuthor Commented:
Sorry Craig, I had already started my reply before I saw your post. I will stop out there and see if I can get this information without having to take out the module.
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Craig BeckCommented:
No worries!

If you can telnet to the original switch you can use the show inventory command - it will tell you the model number of the GBIC.
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FIFBAAuthor Commented:
I was able to take out the module and take a picture of all the information it had. I did not telnet the device, but if this isn't the information you're looking for I can arrange to do that probably. I've attached jpgs of the front and back of the module.
Front.JPG
Back.JPG
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Craig BeckCommented:
Yep, so you need a GLC-SX-MMD= transceiver.

This one...

http://www.serversupply.com/NETWORKING/TRANSCEIVER/GBIC%20-%20SFP/CISCO/MGBSX1.htm
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FIFBAAuthor Commented:
I gave Soulja some points for getting me on the right path. I appreciate your help and will order that adapter. Thanks!
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