And if you don't roll over and let them just push you out, they'll get more creative in finding a job that will work.
If the pay for a Security Monitor is the same or better than you're making now, it would seem like that would be an ideal fit for you.
You do need to put your request for accommodations in writing to protect yourself:
http://www.workforce.com/blogs/3-the...-under-the-ada
http://www.nolo.com/legal-encycloped...mmodation.html
http://www.eeoc.gov/policy/docs/accommodation.html