HP 1910 User Manual page 59

Click Enable.
c.
Figure 34 Configuring stack ports on Switch B
On Switch C, configure port Ethernet 1/0/1 as a stack port.
4.
Select Stack from the navigation tree of Switch C.
a.
On the Setup tab, select the box before Ethernet1/0/1 in the Port Settings area.
b.
Click Enable.
c.
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