4-port RS-232 smart Universal PCI serial boards

Product Features

  • Over 800 kbps data throughput for top performance
  • 921.6 kbps maximum baudrate for super fast data transmission
  • 128-byte FIFO and on-chip H/W, S/W flow control
  • Compatible with 3.3/5 V PCI and PCI-X
  • Drivers provided for a broad selection of operating systems, including the latest Windows and Linux
  • Wide temperature model available for -40 to 85°C environments

Product Description

The CP-104UL and CP-104JU 4-port universal PCI boards are designed for POS and ATM applications. They are a top choice of industrial automation engineers and system integrators, and support many different operating systems, including Windows, Linux, and even Unix. In addition, each of the boards’ RS-232 serial ports supports a super fast 921.6 kbps baudrate. The CP-104UL and CP-104JU provide full modem control signals to ensure compatibility with a wide range of serial peripherals, and they work with both 3.3V and 5V PCI buses, allowing the boards to be installed in virtually any available PC server.


  • CP-104UL/JU Datasheet


  • Universal PCI Smart Serial Board Quick Installation Guide
  • Universal PCI User’s Manual

Technical Notes

  • Creating WinXP Embedded system images with MOXA multiport serial boards
  • The_Secrets_of_Flow_Control_in_Serial_Communication
  • The_Secrets_of_UART_FIFO

Ordering info

Available Models

Model No.Model Description
CP-104UL-DB9M 4-port RS-232 low profile Universal PCI serial board, 0 to 55°C operating temperature (includes DB9 male cable)
CP-104UL-DB25M 4-port RS-232 low profile Universal PCI serial board, 0 to 55°C operating temperature (includes DB25 male cable)
CP-104UL-T 4-port RS-232 low profile Universal PCI serial board, -40 to 85°C operating temperature

Optional Accessories

Model No.Model Description
CBL-RJ45M25-150 RJ45 to DB25 male serial cable, 150cm length
CBL-RJ45M9-150 8 pin RJ45 to male DB9 connection cable, 150cm
CBL-M44M25x4-50 DB44(M) to 4 x DB25(M) Cable
CBL-M44M9x4-50 DB44(M) to 4 x DB9(M) Cable
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