This is an IOCrest PC add on card. The xr17V358 series multi-i/o pci-express controller cards are the high performance rs-232 serial interface controller for home and industrial users. they are compatible with industrial standard 16C550 uart, which provide a low cost connection platform for industrial machines, pos machines, external modems, mice, etc. Quantity: 1 Exar chipset: Xr17V358 X1 link, dual simplex, 2.5Gbps in each direction Rs485 signals: Data (b), data- (a), gnd; rs422 signals: T/r, t/r-,rxd, rxd-, gnd Working mode: Asynchronous working, point-to-point to point-to-multipoint 2 wires (half duplex) 4 wires (full duplex) Package includes 4-port pcie serial card 4-port serial octopus cable 4 serial terminal block User manual Driver cd Low profile bracket Software requirement Windows 8 Windows 7 Xp Vista Windows server 2003/2008/2012 Linux 2.6.27, 2.6.31, 2.6.32, 3.x.x and newer Hardware requirement Pcie x1 or greater lane All rights reserved. All trade names are registered trademarks of respective manufacturers listed. California Proposition 65 WARNING: This product may contain one or more chemicals known to the State of California to cause cancer, birth defects, and/or other reproductive harm. For state-specific electronic recycling and disposal information, please click here.

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