2-port RS-422/485 PCI Express boards with optional 2 kV isolation

Product Features

  • 128-byte FIFO and on-chip S/W flow control
  • Low profile form factor fits small-sized PCs
  • Drivers provided for a broad selection of operating systems, including the latest Windows and Linux
  • PCI Express x1 compliant
  • 921.6 kbps maximum baudrate for super fast data transmission

Product Description

The CP-132EL and CP-132EL-I are 2-port PCIe RS485 Cards,  designed for industrial automation applications that require a long distance, multi-point, PC-based data acquisition solution. Add the card in your PC & lo you have 2 extra  RS-422 or RS-485 ports available.


  • CP-132EL/EL-I Datasheet


  • PCI Express Series Quick Installation Guide
  • PCI Express User’s Manual

Technical Notes

  • The_Secrets_of_Flow_Control_in_Serial_Communication
  • The_Secrets_of_RS-485_Half_Duplex_Communication
  • The_Secrets_of_UART_FIFO

Ordering info

Available Models

Model No.Model Description
CP-132EL-I-DB9M 2-port RS-422/485 low profile PCI Express x1 serial board with optical isolation (includes DB9 male cable)
CP-132EL-DB9M 2-port RS-422/485 low profile PCI Express x1 serial board (includes DB9 male cable)

Optional Accessoriesc

Model No.Model Description
CBL-M25M9x2-50 DB25 male to DB9 male x 2 (50 cm cable)
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