This product is either discontinued or we cannot get that from suppliers.
Sunix MIO5079AL, Interface RS-232 and IEEE1284, Controller SUNIX SUN1989 (16C950 UART Compatible), 2-port, Signal TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND, RI, Baud rate 50 bps to 115.2 Kbps, PCB connector DB44 Female, Cable Connector DB9 Male, Speed Maximum 1.8MBps, Windows XP Embedded / POSReady 2009 / POSReady / Embedded System 2009.
The majority of today´s motherboards are not equipped with any RS-232 or parallel port. With SUNIX MIO5079AL Multi I/O board, users can expand two RS-232 and one IEEE1284 parallel ports to their system.