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ISA
CI-132 Series
2-port RS-422/485 ISA serial boards


  • Economical RS-422/485 ISA board with 2 DB9 male connectors on the board for easy wiring
  • RS-485 data direction control with ADDC® or by RTS
  • 921.6 Kbps maximum baudrate for super fast data transmission
  • 128-byte FIFO and on-chip hardware flow control
  • Surge protection and optical isolation available
  • Built-in termination resistors


C104H Series
4-port RS-232 ISA serial boards


  • Economical, compact ISA boards with 4 RS-232 ports
  • 921.6 Kbps maximum baudrate for super fast data transmission
  • 128-byte FIFO and on-chip H/W, S/W flow control
  • Drivers provided for Windows, Linux, and Unix
  • Easy configuration without switches or jumpers


C168H Series
8-port RS-232 ISA serial boards


  • Compact ISA board with 8 RS-232 ports
  • 921.6 Kbps maximum baudrate for super fast data transmission
  • 128-byte FIFO and on-chip H/W, S/W flow control
  • Choose from a wide range of connection cables and boxes
  • Drivers provided for Windows, Linux, and Unix
  • Easy configuration without switches or jumpers


CI-134 Series
4-port RS-422/485 ISA serial boards


  • Economical ISA boards with 4 RS-422/485 ports
  • RS-485 data direction control with ADDC® or by RTS
  • 921.6 Kbps maximum baudrate for super fast data transmission
  • 128-byte FIFO and on-chip hardware flow control
  • Surge protection and optical isolation available
  • Built-in termination resistors