8-port 3-in-1, RS-422/485 PCI Express board with 4 kV surge protection and 2 kV electrical isolation

Product Features

  • PCI Express x1 compliant
  • Serial communication speed up to 921.6 kbps
  • 128-byte FIFO and on-chip S/W flow control
  • Variety of connection cables and boxes available for RS- 232/422/485
  • Drivers provided for the latest versions of Windows, Linux, and Unix
  • Easy maintenance with on-board LED display and management software

The PCIe Serial Cards, CP-118E-A-I and CP-138E-A-I are smart PCI Express 8 port, designed for POS and ATM applications, and for use by industrial automation system manufacturers and system integrators. The CP-118E-A-I and CP-138E-A-I are compatible with all popular operating systems, and each of their 8 serial ports supports data rates of up to 921.6 kbps, and provide full modem control signals, ensuring compatibility with a wide range of serial peripherals. In addition, the CP-118E-A-I and CP-138E-A-I work with PCI Express x1, allowing the boards to be installed in any PCI Express slot.


  • CP-118E-A-I/CP-138E-A-I Datasheet


  • PCI Express Series Quick Installation Guide
  • PCI Express User’s Manual

Ordering info

Available Models

Model No.Model Description
CP-118E-A-I 8-port RS-232/422/485 PCI Express x1 serial board w/ surge protection and electrical isolation
CP-138E-A-I 8-port RS-422/485 PCI Express Smart x1 serial board w/ surge protection and electrical isolation

Optional Accessories

Model No.Model Description
CBL-M78M9x8-100 8-port male DB9 connection cable
CBL-M78M25x8-100 8-port male DB25 connection cable


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