Usb Power Cable - TiePie Handyscope HS4 DIFF-5MHz Instrument Manual

Note that the externally applied voltage should be higher than the
USB voltage to relieve the USB port.
7.1.1

USB power cable

The Handyscope HS4 DIFF is delivered with a special USB exter-
nal power cable.
One end of this cable can be connected to a second USB port on
the computer, the other end can be plugged in the external power
input at the rear of the instrument. The power for the instrument
will be taken from two USB ports of the computer.
The outside of the external power connector is connected to
+5 Volt. In order to avoid shortage, first connect the cable
to the Handyscope HS4 DIFF and then to the USB port.
30
Chapter 7
Minimum
4.5 Volt DC
Table 7.1: Maximum voltages
Figure 7.3: USB power cable
Maximum
14 Volt DC