Where to purchase AT&T digital cable

I'm looking to experiment with Fiber Optic cable. I'm more interested in experimenting with Glass digital cable. Where can I get some pre made glass cable from?

You run into it on eBay once in a while.

Contact Wadia - they recommend this interface.
FICO, Tweksbury,MA 978.649.3337

They can make up anything in glass fiber, you will need to know the connector type, for ATT it is ST