Here’s the page we think you wanted. See search results instead:


Contact an Expert

3499B 2-Slot Switch/Control Mainframe

Product Status: Discontinued | Currently Supported
This product is no longer available

A replacement for this product is available:

Key Features & Specifications

  • Two module slots
  • Intuitive, self-guiding front panel interface
  • 2U rack height, half-rack width
  • GPIB and RS-232 interfaces
  • Built-in Digital I/O


When you need a small amount of switching in your test system, the 2-slot 3499B mainframe can be your ideal solution. This compact 2U high mainframe can route up to 80 channels in a test system. With various switch modules, it can scan at rates up to 350 channels per second, or open/close 80 channels in less than 0.1 second.

The 3499B has a concise user interface that is designed for manual operation on the manufacturing floor or in desktop applications. High-performance switching modules, multi-function modules, built-in relay cycle counters and easy interconnections all work together to provide a switching solution you can trust.

See the new 34980A Multifunction Switch/Measure Unit as a new low-cost alternative.