1. A test system comprising: conversion logic to receive media output by a unit under test and to reformat audio/video formats into converted media comprising a format compatible with test/analysis logic; the test/analysis logic to receive the converted media and to analyze the converted media for errors; an interchangeable cable interface module comprising cable plugs coupling the unit under test to the conversion logic, the cable plugs having a configuration unique to a make and/or model of the unit under test; the interchangeable cable interface module comprising an identification in non-volatile memory of the make and/or model of the unit under test, the interchangeable cable interface module removable from between the unit under test and the conversion logic; a slide onto which the unit under test is mounted; a control to move the slide to engage cable plugs of the unit under test with the cable plugs of the interchangeable cable interface module; and source signal selection logic to select a signal from a plurality of different sources based on the make and/or model of the unit under test and to direct a selected signal to the interchangeable cable interface module.