8-port RS-232 PC/104 modules

Product Features

  • Onboard Tx and Rx LED indicators for each port
  • Windows CE 5.0/6.0 and Windows XP embedded operating systems supported
  • Wide temperature model available for -40 to 85°C environments
  • 921.6 kbps maximum baudrate for super fast data transmission
  • On-chip H/W and S/W flow control
  • IRQ and I/O settings are jumper and DIP switch selectable

The CA-108 PC/104 modules are reliable, high performance, multiport serial communication solutions that have 8 RS-232 ports, and can be used with PC/104 CPU boards that accept the PC/104 expansion interface. Optional DB9 and DB25 connection cables are available for connecting to serial devices, and the CA-108s’ versatile driver support makes the modules suitable for a wide range of applications.


  • CA-108 Datasheet


  • PC/104&PC/104-Plus Series User Manual
  • PC/104&PC/104-Plus Series Quick Installation Guide

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
CA-108PC/104 bus, 8-port RS-232 module, 0 to 55°C operating temperature
CA-108-TPC/104 bus, 8-port RS-232 module, -40 to 85°C operating temperature
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