Okay, I see if i could be precise as possible. I knew they werent CISCO SFP Modules, but they do work however We do HD video recording in our church. However our "studio" is another building a few hundred feet away. Everytime we need to tranfer hundrd's of GB of files it a tiresome process of copying files to external hardrive to carry up in the studio. So we want to create a link between the two buildings to have data transfer quickly and easily We plan on putting a Drobo  in the studio, for "central" data storage, so we can get files no matter which building we are in. We mostly use Mac computers but there are a few Windows PC in the mix. I can also get my hands on a used IBM server or buy Snow Leopard Server software and use a MacPro as a server. . ... View more

Thanks for you response! I have a miniGBIC 'card' connected to the miniGBIC1 on both cisco switches.  I've attached a PIC of the miniGBIC cards i've used/got. Would i need to setup a server to get the data transfer and DHCP going, because when i connect my Macbook to a port on either end its self assigning an IP address? ... View more