support motherboard with serial port : Internal USB 2.0 to dual port RS232(DB9) bus powered Adapter,PL2303GC

  • Two RS232 ports
  • Utilizes motherboard USB 2.0 (9 pin) port
  • Allows jumper switching for 5V power supply
  • Supports RS232 hardware / software flow control
  • 1024-byte bi-directional data FIFO buffers for faster data throughput.