This page shows all the equipment models that are listed in the
Test Sets ➙ ISDN Test Sets
category in Test & Measurement. You can choose from a selection of
model numbers, such as Sunrise Telecom Sunset ISDN, Network Communications corp NP7300, Network Communications corp NP7100, Tektronix CT-2.
Many of the dealers and private sellers provide descriptions such as condition of the unit, options, calibration, and price. In many cases, manufacturer specifications are provided. Note that some subcategories overlap. You may be able to find the equipment you need in multiple subcategories. For example, if you need a 4-channel digital oscilloscope, you may find the item in Oscilloscopes➙4-channel, Oscilloscopes➙DSO, or Oscilloscopes➙Digital. To switch to a different subcategory, use the drop-down list on the left side of the page.