This display is configured with Logic Level Serial Inverted interface and set to 9600 baud. To mimic the original configuration for the original SKD-204, which is no longer available new.
CFA634YFHKN set at 9600 Baud
Part Number: CFA634-YFH-KN_SKD204
Standard CFA634YFHKN set at 9600 Baud. This is for replacing the original SKD-204.
Standard (unmodified) CFA634 can be found here and is available in many interfaces and colors.