I use a Plugable USB3-HUB10C2 hub and want to add another USB 3.0 powered hub (i.e., make a daisy chain). It will be another 10 port unit or possibly one of your 7 port units. Which of the ten ports on my USB3-HUB10C2 unit should be used to plug in the additional hub? Thanks.
You’ll want to connect the 7 port hub into ports 3 or 9 on the 10 port hub. Here is a port layout chart for your USB3-HUB10C2: