Scans your site and returns information about your SSL implementation and certificate. Helpful for debugging and validating your SSL configuration.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
Black box (www.blackbox.com) has channel banks - the approximate cost (US$) would be somewhere around ~2k per side for the channel banks themselves, plus another $1500 per side to convert the T-1 signal into fiber.
I would reconsider the modem-replacement question. You can get fiber optic line drivers that present async interfaces (...exactly like your modems) at each side for a few hundred total. This wouldn't require any reconfiguration of the terminal equipment - and would probably be the easiest/cheapest to accomplish in the long run.