The Manage Banking Methods screen now has a new flag to open the Cash Drawer.
To set this up go to Admin / Settings / Manage Banking Methods. Under each of the Banking Groups highlight the Banking Methods and edit to tick the Open Cash Drawer for those Methods that you want to open the Cash Drawer only.
Also ensure that the POS Defaults are set to have the Cash Drawer Connected to Printer
Users now can have a Cash Drawer without having a POS Terminal.