DB9 Serial Hubs Datasheets

USB Serial Communication Port Device -- USB-IIRO4-2SM
from American Portwell Technology Inc.

USB 4-port hub internally to provide four optically isolated digital inputs, four digital electromechanical relay outputs and two ports of RS-232/422/485 serial communication in a small rugged enclosure with DB25 connector for digital and two DB9 connectors for serial. [See More]

  • Connector: DB9
  • Serial Protocol: RS232/422/485
  • Device Type: Hub
  • Network / Bus: USB; PC/104 (PC/104-Plus, EBX, ETX)