Features
• PCIe 2.0 Gen 1 compliant
• x1 Link, dual simplex, 25Gbps in each direction
• RS485 signals: DATA+ (B), DATA- (A), GND
• RS422 signal: T/R+, T/R-, RXD+, RXD-, GND
• Working mode: asynchronous working、point-to-point or point-to-multipoint 2 wires (half duplex) 4 wires (full duplex)
• Transmission distance: RS-485/422 port:1.2km (300bps-921600bps)
• Transmission media: twisted-pair cable or shielded cable
• Interface protection:TVS on each signal of RS42/485 port - for the protection of 400W Voltage Surge and +/-20kV ESD;
• Direction control: Adopt the technology which automatically controls the data-flow direction、automatically distinguish and control the data-transmission direction;
• UART interface support for 7 or 8 data bits,1 or 2 stop bits and even/odd/mark/space/none
• Flow control none,hardware and xon/xoff
• Load capability; Support point-to-multipoint transmission. Each converter can connect 32 RS-422 or RS-485 interface equipment
• Extended operating temperature range; -40 to 85⁰C
System Requirements
• Windows® Server 2003, 2008, 2012
• Windows® XP, Vista, 7, 8,8.1,10
• Linux 2.6.27, 2.6.31, 2.6.32, 3.x.x and newer
• A available PCI Express slot

Package Contents
• 1 x RS422/485 8-Port PCIe Card
• 1 x User Manual
• 1 x Low Profile bracket
• 1 x VHDCI68 to 8x DB9 Cable