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The following topologies give valid examples how to count a USB “hop” and how not to exceed
them. We include two other valid topologies later in the document.
This is a daisy chained topology of 5 hops. Note that the power hubs add the ability to hop and
an extra USB port in the first two U170 devices.
This is a topology of only 3 hops. Note that the first power hub add the ability move up to 5
meters from the host and then split out four U170 devices (at up to another 5 meters). And the
second series of powered hubs are optional but shown here add extra USB ports for flash drives,
a printer or other USB devices.
#2
#1
#4
#3
#5
#1
#2
#3
