X505 CR

I/O Exp. Board/3 RS-232/5pin

RS-232 ports : 3
COM3 : TXD, RXD, RTS, CTS, GND
COM4 : TXD, RXD, RTS, CTS, GND
COM5 : TXD, RXD, RTS, CTS, GND
16550 compatible
Internal FIFO : 16 bytes for each COM port
Transmission speed: 115.2K BPS max.
Isolated : none