As of June 15, 2022, this site no longer supports Internet Explorer. Please use another browser for the best experience on our site.

CP-112N Series

2-port RS-232/422/485 Mini PCI Express boards

moxa-cp-112n-series-image-(1).jpg | Moxa
moxa-cp-112n-series-image-1-(1).jpg | Moxa
moxa-cp-112n-series-image-2-(1).jpg | Moxa
moxa-cp-112n-series-image-3-(1).jpg | Moxa

Features and Benefits

  • Mini PCIe interface support
  • 921.6 kbps maximum baudrate for fast data transmission
  • 128-byte FIFO and on-chip H/W, S/W flow control
  • Drivers provided for a broad selection of operating systems, including Windows and Linux


  • moxa-ce-certification-logo-image.png | Moxa
  • moxa-fcc-certification-logo-image.png | Moxa
Contact Sales


The CP-112N is a Mini PCI Express multiport serial board designed for various applications such as industrial automation systems and for industrial PC manufacturers. The CP-112N is compatible with most Mini PCI Express slots. The board requires only a 3.3 VDC power supply, which means it can work with host computers ranging from DIN-rail PCs to standard-sized PCs.

The CP-112N is a top choice of industrial automation engineers and system integrators and supports Windows and Linux operating systems. In addition, the two RS-232/422/485 serial ports support a fast 921.6 kbps baudrate. The CP-112N provides full-modem control signals to ensure compatibility with a wide range of serial peripherals. The board also provides 1 kV line-to-line surge protection, ensuring compatibility in a wide range of industrial environments.

A New Family of Mini PCI Express Multiport Serial Boards for Faster Time to Market

Moxa’s new Mini PCI Express multiport serial board family fulfills the need for customized expansion and enables faster time to market for OEMs and system integrators. It includes Isolated and non-Isolated RS-232/422/485 communication cards for various applications.

The serial boards feature high performance 16C950 compatible UARTs and are available in 4-port and 2-port versions compatible with all popular operating systems. They support data rates of up to 921.6 kbps and have 128-byte transmit and receive FIFOs. The serial boards can operate in the -40 to 85˚C temperature range. Door brackets are included in the package for all models, enabling the installation of the serial boards in Moxa IPC expansion slots.

  • Comm. Controller

    16C550C compatible

  • Bus

    Mini PCI Express

  • Connector

    DB9 male

  • FIFO

    128 bytes

  • No. of Ports


  • Baudrate

    50 bps to 921.6 kbps (supports non-standard baudrates)

  • Data Bits

    5, 6, 7, 8

  • Stop Bits

    1, 1.5, 2

  • Parity


  • Flow Control


  • Serial Standards

    RS-232/422/485 (software-selectable)

  • RS-232


  • RS-422

    Tx+, Tx-, Rx+, Rx-, GND

  • RS-485-2w

    Data+, Data-, GND

  • RS-485-4w

    Tx+, Tx-, Rx+, Rx-, GND

  • Windows Drivers

    Windows 11, 10, 8.1, 8, 7, 2008, Vista, 2003, XP
    Windows Server 2022, 2019 (64-bit), 2016, 2012 R2, 2012, 2008 R2
    Windows Embedded CE 6.0 and 5.0, Windows XP Embedded

  • Linux Drivers

    Linux kernel 5.x
    Linux kernel 4.x

  • Input Current

    536 mA @ 3.3 VDC

  • Dimensions

    30 x 50.95 mm (1.18 x 2 in)

  • Operating Temperature

    -40 to 85°C (-40 to 185°F)

  • Storage Temperature (package included)

    -20 to 85°C (-4 to 185°F)

  • Ambient Relative Humidity

    5 to 95% (non-condensing)

  • EMC

    EN 55032/35

  • EMI

    CISPR 32, FCC Part 15B Class A

  • EMS

    IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
    IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
    IEC 61000-4-4 EFT: Power: 1 kV; Signal: 0.5 kV
    IEC 61000-4-5 Surge: Power: 2 kV; Signal: 1 kV
    IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m
    IEC 61000-4-8 PFMF

  • Green Product


  • Time

    3,524,230 hrs

  • Standards

    Telcordia (Bellcore) Standard TR/SR

Support Documents

Name Type Version Release Date
Datasheet for CP-112N Series
988.8 KB
Datasheet v1.0 Jul 02, 2024 Jul 02, 2024

Available Models (1)

Show Images
moxa-cp-112n-t-image.jpg | MoxaCP-112N-T
Serial StandardsRS-232/422/485
No. of Serial Ports2
Serial Isolation Protection
Add to QuoteView Bag

product image

Buy online from distributors

Added To Bag
You have some items waiting in your bag; click here to finish your quote!