Windows Vista 32-bit  (.exe file)  02/12/08  Size: 40 KB
This driver supports WINDOWS VISTA 32-BIT systems only. After extracting this file, open the newly created “Zoom_2985_Vista” folder and refer to the ReadMe document for installation instructions.

USB Faxmodem User Guide - Full Manual (.pdf file)

AT Command Reference Manual (.pdf file)

Model 2985C/2986C Data Sheet (.pdf file)