Connect-Tek USB-16 Manual de usuario descargar pdf (Pagina 31)

Host High Speed Electrical Test Procedure Revision 1.4

10. On the Host Test menu, select RESUME from the Port Control dropdown menu and enter the

port number. Click Execute once to resume the port. The captured suspend transition should

appear as in the following figure.

Figure 19: Time to First EOP from Start of HS Idle

11. The result consists of the time from the falling edge of D+ to the first SOF issued by the host

(EL_41) as shown in the figure above. This is EL_41.

Note: Repeat the suspend and resume a number of times and verify that the time from the

falling edge of D+ to the first SOF issued by the host never exceeds 3 ms.

12. Repeat steps 4 through 9 for all the remaining ports.

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Connect-Tek USB-16 Manual de usuario Pagina 31