KALEA-INFORMATIQUE M.2 B+M Key to 4 Port COM Serial RS422 RS485 DB9 or Wired Mount Card with WCH384 Chipset.M2 PCIe RS-422 RS-485 Controller

M.2 B+M Key to 4 Port RS422/RS485 Serial Expansion Card using PCI Express 2.0 x1 interface and WCH384 industrial chipset for RS-422 or RS-485 serial communication applications. For PCIe type M2 port only, not compatible with SATA type M2 ports. Compatible with Windows and Linux environments, with Plug & Play support, automatic allocation of BIOS system resources and hardware UART compatible 16C550 / 16C570. Supports transmission rates from 1200 to 230400 bps with 256-byte hardware FIFO buffers to improve data exchange stability and reduce processor load. Connection by 4 serial connectors on DB9 type cable. Comes with DB9 to terminal block adapters for wired mounting. Designed for industrial systems, automation, data acquisition equipment, electronic scales, digital displays, serial terminals and professional RS422/RS485 peripherals.