8 ports RS 422/485  serial communication on PCIe Bus


  • Supports PCI Express x1
  • Provides 8 RS-422/485 ports
  • Automatically select an available COM port number
  • Supports COM port number selection under software control
  • 256-byte Hardware FIFO for Each Port
  • Short Card Design
  • RoHS compliant & No Halogen


  • Industrial Machinery
  • Building Automation
  • Restaurant Appliances
  • Laboratory Equipment & Research
  • Industrial Communication

8 ports RS 422/485  serial communication on PCIe Bus

The PCIe-S148 card provides 8 RS-422/485 serial ports. It is equipped with a 256-byte hardware FIFO for each port, supports for speed up to 921600 bps and supports full-duplex communication. The PCIe-S148 card support drivers choose an available COM port number automatically.

The serial communication card are designed for use with intelligent devices like bar code reader, serial printers, intelligent sensors, instrumentation equipment, computers and almost any device with an RS-422/485 port.

Connector Female DB-62
COM Ports
Ports 8 x RS-422/485 (RS-422: TxD+, TxD-, RxD+, RxD-, GND / RS-485: Data+, Data-, GND)
Baud Rate 2400 – 921600 bps
Parity None, Even, Odd, Mark, Space
Data Bit 5, 6, 7, 8
Stop Bit 1, 1.5, 2
FIFO Size Internal 256 bytes
Consumption 120 mA @ 5 V
Dimensions (mm) 93.1 x 115.7 x 22 (W x L x D)

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