... pcs available Communication portUSB flash driver & Crossed RS232 serial port Boundrate 57600,9600 adjusted,support auto matchUSB ... -12 Ports Scanning mode support 1/16,1/8,1/4,1/2 Scan & static single ... pcs available Communication portUSB flash driver & Crossed RS232 serial port Boundrate 57600,9600 adjusted,support auto matchUSB ... -12 Ports Scanning mode support 1/16,1/8,1/4,1/2 Scan & static single ...