Does the ENA support USB mouse or keyboard?

(SUPPORTED MODELS IN BOLD: E5071C E5072A E5070B/71B E5070A/71A E5061A/62A E5061B E5063A E5091A E5092A)

It depends on the models.

[E5071C/E5061B/E5072A]
Yes. The E5071C, E5061B and E5072A support USB mouse or keyboard.

[E5070B/71B, E5070A/71A, E5061A/62A]
The E5070B/71B, E5070A/71A and E5061A/62A support Ecal, USB/GPIB interface, and multiport test sets as the USB connected devices. Since the E5070B/71B, E5070A/71A and E5061A/62A are on the closed windows system, any problems that may be caused by installation of extra application or driver software are NOT supported.