KALEA INFORMATIQUE 4 Serial RS422 RS485 PCIe controller board with EXAR XR17V354 RS 422 485 chipset

For DESKTOP PC on PCI EXPRESS 1X port. Adds 4 RS422 / RS485 SERIAL ports to your desktop PC. Compatible with all motherboards and serial peripherals. Drivers included for WINDOWS XP, Vista, Seven, 8, 10/11, Server 2003/2008/2012, Linux 2.6.27 / 2.6.31 / 2.6.32 / 3.x.x and newer. CHIPSET EXAR XR17V354 PCI EXPRESS 1x port (will fit 1x/2x/4x/8x/16x slot). PCIe 2.0 Gen 1 Dual simplex, 2.5 GB in both directions RS485 signals: DATA+ (B) / DATA- (A) / GND RS422 signals: T/R+ T/R- RXD+ RXD- GND 4 DB9 connectors on cord Protection 600W, and 15KV ESD Operation : Asynchronous, point/point, point/multipoint, 2-wire (half duplex), 4-wire (full duplex) Maximum transmission distance 1.2km, Support 7/8 data bit - 1 or 2 stop bit - even/odd/mark/space/none Flow control none, hardware and xon/xoff Load capacity up to 32 devices per port