multi port serial card

The detail of specification: Number of port:4 Serial standards:RS422/485 Serial signals:422: TXD+, TXD-, RXD+, RXD-, GND485: TRXD+, TRXD-, GNDData Bits:5 6 7 8 Stop Bits:1 1.5 2 IRQ/ IO:Assigned by BIOS (compatible of 16C1050) Parity:None, even, odd, space, mark Connector:DB44 to 4 DB9 connector (9 pin Male) FIFO256_byte FIFO (CTS/RTS XON/XOFF) ESD Protection:15KV Baud rate:75bps-921.6kbpsOperation systems:PCI-X/PCI Rev.2.3 compatible(32-bit 33/66MHZ) DOS/LINUX2.4/LINUX2.6/WIN98/WIN2000/WINXP/32/64/WIN2003/ WIN7/WIN2008 etc Operation environment:Operating Temperature:-40°C 85°C Storage Temperature:-50°C 100°C Operating Humidity:10% 80% Storage Humidity:30% 80% Certification:CE RHOS FCC Application: Bank, POS of system, ATM, Automation, Monitoring, Stock, Transmission Packing: Model 304D_ serial card, Installation CD, DB44 to 4 DB9 of connecting wire and Manual Warranty period1 year If have anything need to explain, pls send email to us.