Amazon
Two additional serial ports for PC, workstations or servers POS system (power over system) Plug and play compatible Data transfer rate: 300Baud to 921.6KBaud FTDI Chip Set
Two additional serial ports for PC, workstations or servers POS system (power over system) Plug and play compatible Data transfer rate: 300Baud to 921.6KBaud FTDI Chip Set