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DB9 Serial Hubs

2 Results
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)
8 Port RS422/485 USB to Serial Multi Drop Hub -- US-601
from Brainboxes Limited

USB to Serial multi drop hub providing 1 RS422/485 serial port multiplexed 8 times for multibus applications. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 256 byte receive FIFOS, coupled with 1Mbit line drivers deliver uncompromising performance on your laptop/PC. [See More]

  • Connector: DB9
  • Serial Protocol: RS422
  • Device Type: Hub
  • Network / Bus: USB