MOXA CP-104N-T PCI Express Serial Board | Easy World Automation

MOXA CP-104N-T PCI Express Serial Board

  • 4 x RS-232 Serial Ports
  • 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


The CP-104N is a Mini PCI Express multiport serial board designed for various applications such as industrial automation systems and industrial PC manufacturers. The CP-104N is compatible with any Mini PCI Express slot. 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-104N is a top choice for industrial automation engineers and system integrators and supports Windows and Linux operating systems. In addition, the four RS-232 serial ports support a fast 921.6 kbps baud rate. The CP-104N provides full-modem control signals to ensure compatibility with various serial peripherals. It also provides 1 kV line-to-line surge protection and 2.5 kV isolation (for the I model), ensuring compatibility in various 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.

You can also find the CP-104N-I-T model in the PCI Multiport Serial Cards.

Discover industrial automation solutions appropriate to your needs, and easily inquire about the MOXA CP-104N-T PCI Express Serial Board through our user-friendly website via one of our Middle East branches (UAE (Dubai), KSA (Al Khobar, Riyadh), and Oman).


Comm. Controller 16C550C compatible
Number of Ports 4
Bus interface Mini PCI Express
Serial Standards RS-232
Connector DB9 male
Baudrate 50 bps to 921.6 kbps (supports non-standard baudrates)
Stop Bits 1, 1.5, 2
Parity Even, Odd, Space, Mark, None
Flow Control RTS/CTS, XON/XOFF, None
Data Bits 5, 6, 7, 8
FIFO 128 bytes
Isolation -
Power requirement Input Current: 365 mA @ 3.3 VDC
Windows Drivers Windows 7/8/8.1/10/11 (x86/x64), Windows 2008 R2/2012/2012 R2/2016/2019 (x64), Windows Server 2022
Linux Drivers Linux kernel 4.x, Linux kernel 5.x
UNIX Drivers -
MTBF 3,673,087 hrs
Dimensions 30 x 50.95 mm (1.18 x 2 in)
Operating Temperature -40 to 85°C (-40 to 185°F)
Storage Temperature -20 to 85°C (-4 to 185°F)
Operation Humidity 5 to 95% (non-condensing)
Standards and Certifications EMC, EMI, EMS, RoHS, RoHS, WEEE