USB-IF Full and Low Speed Electrical and Interoperability Compliance Test Procedure

This USB-IF Compliance Test Procedure was developed for all USB products before the advent of high-speed USB products. It documents the required compliance test of full-speed and low-speed signal quality, power delivery. Full speed electrical tests still apply to high speed devices. It documents interoperability tests for all device speeds. These tests are required for high-speed, full-speed, and low-speed USB products.

Test Specification