This Cable is Hand custom assembled and Tested Both Software And Hardware flow control Support. For Most CNC DNC Setting xOn/xOff (DC1/DC3) and RTS/CTS Works on Fanuc Controllers and Most CNC controllers including: Acramtic Amada Mitsubishi Okuma Hitachi Bosch Boss Fagor Heidenhain Hinumerik Mazak Sinumerik Traub Yasnac And More