4-port RS-232 Universal PCI boards with power over serial

The POS-104UL is a smart, 4-port Universal PCI serial board designed for POS and ATM applications and for use by industrial automation system manufacturers and system integrators. The POS-104UL is compatible with all major operating systems. In addition, each of the 4 RS-232 serial ports supports data rates up to 921.6 kbps, and provides full modem control signals to ensure compatibility with a wide range of serial peripherals. The POS-104UL supplies 5 or 12 volts of power to each serial port, and works with both 3.3V and 5V PCI buses, making it suitable for installation in most PC servers.

Manual (2)
Techincal Notes(3)
Name Action
POS-104UL Datasheet
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Universal PCI Smart Serial Board Quick Installation Guide
Universal PCI User’s Manual
Name Action
Creating WinXP Embedded system images with MOXA multiport serial boards


  • Over 800 kbps data throughput, for top performance
  • Power options for each port: 5 V (output), 12 V (output), and RI (input)
  • Serial port power from bus or power supply
  • 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
  • Low profile board, suitable for compact-sized PCs
  • 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

Ordering info

Available Models
Model No. Description
POS-104UL-DB9M 4-port RS-232 low profile Universal PCI board with serial port power, 0 to 55°C operating temperature (DB9 male cable included)
POS-104UL-T 4-port RS-232 low profile Universal PCI board with serial port power, -40 to 85°C operating temperature
Optional Accessories
Model No. Description
CBL-M44M9x4-50 DB44(M) to 4 x DB9(M) Cable

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