KALEA-INFORMATIQUE Mini PCIe 2 Port RS422 RS485 DB9 Serial Card with EXAR XR17V352 Chipset Supplied with Adapters for Wire to Wire Mount.

Mounts to the mini PCI Express port of laptops (52 pins), card in "full size" format. Compatibility: Drivers for Windows 11, 10, 8, Windows 7 / Vista / XP / Server 2003-2008-2012, Linux Kernel 2.6x or higher. Specifications: EXAR XR17V352 Chipset. Compatible with Full-Mini (F1) card dimensions. Complies with PCI-E Mini Card Revision 1.2 electrical specifications. RS-485 signals: DATA+ (B), DATA - (A), GND. RS-422 signals: T/R+, T/R–, RXD+, RXD–, GND. Enhanced 600W surge protection and 15kV ESD on all serial ports. Operating modes: asynchronous, point-to-point or point-to-multipoint — 2 wires (half-duplex) or 4 wires (full-duplex). Transmission distance up to 1.2km for RS-485/422 ports (300bps to 921600bps) Sleep mode with alarm clock indicator. Transmission supports twisted cable or shielded cable. Automatic data flow direction management for intelligent transmission control. UART interface compatible with 7 or 8 data bits, 1 or 2 stop bits and even/odd/mark/space/none parities. Flow control: none, hardware, or XON/XOFF. Supports up to 32 RS-422/RS-485 devices connected by converter in multipoint mode. Wide temperature range: -40 to +85 °C for industrial use. The board is supplied with a 2-port extension bracket with DB9 male plugs and insert plates for wire-to-wire mounting.