The main difference is that all belted MRLS (Schindler 3300, TK Evolution) are now directly supported in the code. 2004 only supported conventional wire rope.
MRL controllers now directly permitted to be installed in door jamb.
Also a TDD telephone must be installed for the deaf. See example:
https://us.schindler.com/content/da...mergency-comm-visual-device-brochure.pdfCabbin door interlocks are now required for most completely new applications.
