Tektronix TDSUSB2 - Suspend

Reference Suspend
Suspend
This test calculates the time between the end of last SOF and the rising edge transition to Full-speed J state
for Host / Device / Hub- upstream. This time must be between 3 ms and 3.125 ms. To get the Suspend
signal, hot-plug the unit under test (device) and measure the signalling with single-ended probes on both
lines. The application analyzes data for the Suspend Time.
188 TDSUSB2 Universal Serial Bus Measurements Package