USB to 4 Serial RS-232 ports, plastic case (Prolific Chipset)

The USB 1.1 to Serial RS-232 box provides four high performance 16C550-type UART compatible RS-232 serial ports. It is designed for PC, thin client or server to provide instant COM port expansion in a compact box through the USB 1.1 or 2.0 Bus. With the easy installation you don’t need to open the Computersystem and install the EX-1334 when the system run.

• Interface: RS-232 V.24
• FIFO Buffer: 16C550 with 16Byte
• I/O addresses and Interrupt: Set from the operating system
• Data Bits: 5, 6, 7, 8
• Stop Bits: 1, 1.5, 2
• Parity: none, even, odd, space, mark
• Signal RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
• Power from the USB Bus (Bus Power)
• Plastic case
• Chipset: Prolific PL2303HX

Packaging contents:
EX-1334, USB 2.0 Kabel, Driver CD, Manual