Electrodata EIA Interface Test Set Model ITS-1

Electrodata EIA Interface Test Set ITS 2

Electrodata EIA Interface Test Set, Model ITS-1, with jumpers and cables

Electrodata EIA Interface Test Set Model ITS-1

Electrodata EIA Interface Test Set, Model ITS-1, with jumpers. VGC!

Electrodata Modem Test Set. Model #MTS 1R.

International Data Sciences EIA Interface Monitor and Breakout Panel Model 60