KALEA-INFORMATIQUE Mini PCI Express MiniPCIe 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 pin). Drivers for Windows 11, 10, 8, Windows 7 / Vista / XP / Server 2003-2008-2012, Linux Kernel 2.6x or higher. EXAR XR17V352 Chipset. Mini PCIe Rev 1.2 RS485 signals: DATA+ (B), DATA-(A), GND. RS422 signals: T/R+, T/R-, RXD+, RXD-, GND. 600W surge protection. 15KV ESD protection for all serial ports. Operation mode: asynchronous、point-to-point or point-to-multipoint Mounting 2 wires (half duplex) or 4 wires (full duplex). Transmission distance 1.2km (300bps-921600bps) Sleep mode with alarm clock indicator. The UART interface supports 7/8 data bits and even/odd/mark/space/no parities. None,hardware and xon/xoff flow control. Support point-to-multipoint transmission. Each converter can connect 32 RS-422 or RS-485 equipment. Operating temperature range -40 to 85⁰C. The board is supplied with a 2-port extension bracket with DB9 male plugs and insert plates for wire-to-wire mounting.