2-port RS-232 PCI Express boards

Product Features

  • PCI Express x1 compliant
  • 921.6 kbps maximum baudrate for super fast data transmission
  • 128-byte FIFO and on-chip H/W, 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

The CP-102E and low profile CP-102EL are 2-port PCIe Serial Card designed for POS and ATM applications. Moxa’s PCI Express boards are a top choice of industrial automation engineers and system integrators, particularly since the boards support many different operating systems, including Windows and Linux. The CP-102E/EL’s 2 RS-232 serial ports support a super fast 921.6 kbps baudrate, and provide full modem control signals to ensure compatibility with a wide range of serial peripherals. In addition, the boards’ x1 classification allows them to be installed in any PCI Express slot.


  • CP-102E/EL 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_UART_FIFO

Ordering info

Available Models

Model No.Model Description
CP-102EL-DB9M 2-port RS-232 low profile PCI Express serial board (includes DB9 male cable)
CP-102E 2-port RS-232 PCI Express x1 serial board

Optional Accessories

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