SUNIX M.2 card. 2 serial ports RS422 RS485 COM DB9 for M2 PCIe port, M or B+M key. Industrial grade CHIPSET SUN2410

Mounts on the M.2 port port of notebook PCs (M or B+M), PCIe type (not suitable for SATA M2 ports).
SUNIX manufacturing (Ref IPC-M2202S), "industrial" quality for intensive use.
Compatibility:
Windows XP / Vista / 7 / 8.x / 10 / 11 (X86/X64),
Windows Server 2000/2003/2008/2012/2016 (X86/X64),
Windows CE5.0/6.0/XP Embedded/POS Ready/Embedded System,
Linux 2.x / 3.x / 4.x, DOS, UNIX FreeBSD / QNX / SCO OpenServer / SCO UnixWare / Solaris,
IBM OS/2 WARP 3/WARP 4.
M2 card in 2280 format, suitable for slots 2280 and 22110.
Specifications:
CHIPSET SUNIX SUN2410 (16C950 UART compatible)
Compatible PCI Express 2.0.
2 RS-422/485 DB9 male ports on ribbon cable.
M.2 card type 2280, 59-pin B+M Key Male.
IRQ & IO assigned by system.
RS-422 signals: TxD+, TxD-, RxD+, RxD-, GND. RS-485 (4-wire) : TxD+, TxD-, RxD+, RxD-, GND. RS485 (2-wire) : Data+, Data-, GND
Protection: ±15KV ESD IEC-61000-4-2 Air Discharge, ±8KV ESD IEC61000-4-2 Contact Discharge, ±4KV ESD IEC61000-4-2 Level 2 Line-to-Linee, 2KV Surge IEC61000-4-5 Level 3 Surge Immunity Test.
120ohm resistors for each RS-485 port (adjustable via jumpers).
FIFO 128byte Hardware, transfer rate 50bps ~921.6Kbps.
Stop bit : 1, 1.5, 2. Parity type even, odd, none, mark, space. Xon/Xoff flow control (software).
Certified CE, FCC, VCCI, BSMI, RoHS, and Microsoft WHQL.