Serial Data Switches


Model 232BSS4, our most versatile and intelligent smart serial data switch. A single RS-232 port on your PC can now communicate seamlessly with four or more RS-232 devices.
Once configured, simply run your existing application software to converse with each device as if it was directly wired to your PC.

When used with B&B Electronics RS-485 or fiber optic converters, the Model 232BSS4 smart serial data switch may be connected to PCs or serial devices miles away. Requires 12 VDC power. Model 232PS is recommended.

  • Free set-up software included for XP, 2000

  • User friendly graphic interface

  • Configure each port individually from your PC

  • 8 KB buffer on each port ensures no lost data

  • Connectors: master DB25 female, slaves DB9 male

  • Mix and match baud rates

232MSS2 - Compact Four Port Mini Switch
Model 232MSS2 is a compact four port mini RS-232 switch box. Its master port may be configured as either a DTE or DCE port. If the master port is DTE, the four other ports automatically become DCE ports. This model offers enhanced features that automatically control transmit/ receive functions, stop inadvertent switching from binary/graphic file transfers and inactive slave devices from holding control of the master port.

  • 4 RS-232 DB9 female slave ports

  • Automatic transmit and receive control

  • Supports 1200 to 115.2 kbps

  • Requires 12 VDC power supply, Model 232PS recommended

Model 485DSS is a distributed smart switch. Use this model when your RS-232 devices are scattered. The Model 485DSS uses RS-485 technology to reach RS-232 peripherals up to 4,000 feet away. Each serial data switch has a unique address. A simple serial command from your host turns communications on or off or requests status. QuickBasic demo software is included.

  • Attach a unit to each “dumb” RS-232 device to make it a network node

  • Network up to 32 RS-232 devices up to 4,000 feet away

  • Requires 12 VDC power supply, Model 485PS2 recommended


Applications and Related Information


photoIconPDFModel No.DescriptionPrice 
232BSS4 Serial RS-232 Buffered Smart Switch $300.00 Get A High Volume Quote
232MSS2 Serial Mini Smart Switch $210.00 Get A High Volume Quote


 Model No.Product Name and DescriptionPriceQty 
9PAMF6DB9 Male To DB9 Female, 6 Ft$11.00
232CAMDB9 Female To DB25 Male, 6 Ft$8.00
SMI6-12-V-P230-C1Power Supply, 12 VDC 6 Watt, 2.5MM Plug, International AC Input$15.00
9PAMM6DB9 Male To DB9 Male, 6 Ft$11.00