PCI Express 8-Port Serial Communication Card DB9 Male SystemBase Multi-8C/LPCIe RS232

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The SystemBase Multi-8/LPCIe PCI Express 8-port Serial Communication Card with DB9 Male connectors is equipped with PCIe to PCI Bridge and SB16C1058PCI, a powerful semiconductor designed by SystemBase. The SB16C1058PCI semiconductor is a UART designed for PCI Bus which has the 256 byte FIFO, the largest in the world. There are no overrun when communicating with 921.6kbps. It has all the necessary components for serial communication and the developers do not require additional components to design the product. There are RS-232 and RS-422/485 (Combo) models. It is ideal for POS, medical use, factory automation and building automation field..


The Multi-8C/LPCIe has a built-in hardware feature that performs automatic toggling to prevent devices from sending data at the same time causing a crash. This operation is crucial when multiple devices are connected to prevent electrical collisions that lead to errors and unstable communication.

Slew-Rate Limit Control

The Multi-8C/LPCIe is equipped with Slew Rate limit control for RS-422/485 interface and when enabled it minimizes EMI emissions which may cause data transmission errors.
When Slew Rate is used maximum communication speed is 250kbps. This function is recommended in many medical applications.


  • 8 port serial communication card
  • Supports PCI Express Base Specification v2.0
  • RS-232 Interface
  • The world’s leading 256 byte FIFO
  • Communication speed: Up to 921.6kbps
  • ±15kV Surge protection

Package Includes:

1X PCI Express Multi-8C/LPCIe RS232 Communication Card and Mounting Bracket


Stock to 2 weeks

Additional Resources:

PCI Express Multi-8C/LPCIe RS232 Manual, Utilities and Specifications Downloads (SystemBase Website)