See below for details:
Always replies ESC1b [5b ?3f 232 737 ;3b 131 ;3b 030 ;3b 030 n6e
historically: North American layout, ?, LK201 (VT style keyboard)
Always replies ESC1b [5b ?3f 232 737 ;3b 030 ;3b 030 ;3b 535 n6e
historically: unknown layout, keyboard ready, pcxal (PC style keyboard)