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Industrial M.2 PCIe Expansion Card


  • Single-Lane (x1) PCI-Express with throughput up to 5.0 / 2.5Gbps
  • Fully compliant with PCI-Express Base Specification Rev. 2.0
  • Top serial transmission performance up to 921.6 Kbps baud rate
  • FIFO 256 Bytes, 15 KV ESD protections on board
  • H/W, S/W automate flow control supported
  • RS-232/422/485 mode selectable by DIP switch setting
  • Support port to computer isolation 2.5kV
MEC-COM-2032i is a serial communication card for embedded PC. The card follows the M.2 standard which is complaint with PCI Express x 1 classification and M.2 form factor. This board fits in any host computer that has M.2 slots.

Top Performance

MEC-COM-2032i has 2 RS-232/422/485 serial ports, each individual port supports 921.6 Kbps baud rate. The combination features 15KV ESD protection, FIFO 256 Bytes, HW/SW automated flow control and extended operating temperature which enhances the board's reliability and performance.

High Usability

MEC-COM-2032i is designed with flexibilities for many different applications. The seral RS-232/422/485 mode can be configured by DIP switches. The accessories (bracket, connection / cable) are included in the standard package.

Form Factor
M.2 (B+M key) 2242/2260/2280
RS-232 / 422 / 485 x 2 (DB9 male)
PCI-Express Revision
PCI-Express Base Specification Rev 2.0
Electromechanical Revision
PCI-Express M.2 Electromechanical Rev.1.1
Dimensions (WxL/ mm)
22.00 x 42.00/ 22.00 x 60.00/ 22.00 x 80.00
XR17V352 (16C550C compatible)
Single-Lane (x1) PCI-Express with throughput up to 5.0/2.5Gbps
ESD Protection
15 KV on board
Baud Rate
Asynchronous baud rates up to 921.6 Kbps
Power Consumption
Operation Temp.
-40°C ~ +85°C
Storage Temp.
–40°C ~ 95°C
3-in-1 Form Factor
Driver Support
Win 7, Win 8, Win 10
3 years
Model No. Description
MEC-COM-2032i M.2 2242/2260/2280 2-port RS-232/422/485 isolated serial board

Date Document Type Capacity
2022.07.14 Serial Solution_MEC-COM-2032i_Datasheet 3.76 MB