Rohde & Schwarz R&S NRP-Z91 - Page 24

R&S NRP-Z91 PC control
1168.8579.12 1.3 E-6
 In the Windows™ start menu, select Settings – Control Panel
 Select the System icon
 Select the Hardware tab
 By clicking on the button with that name, start the Device Manager
 Open USB Controller (all USB controllers, hubs and USB devices are listed here)
 Double-click on USB Root Hub or select Properties in the context menu (use the
right-hand mouse button)
 Select the Power tab (Fig. 1-1). If the hub is self-powered and the total power
available is, as indicated by Hub Information, 500 mA per port, high-power devices
can be connected.
Fig. 1-1 Displaying the total available power of a USB port
If you have any doubts, ask the manufacturer if the USB port on your laptop or notebook can handle
high-power devices.
Operation via the R&S NRP-Z4 passive USB adapter
Fig. 1-2 is a schematic of the measurement setup. The order in which the cables are connected is not
critical.
Fig. 1-2 Configuration with Passive USB Adapter R&S NRP-Z4