HP 1Gb/2Gb switch 16B A7340-96002 - Manual (Page 18)

12 Quick Start Guide
b. Turn on the power supply (flip the AC switch to “I”) when ready to
supply power to the switch. The switch automatically runs POST
(power on self-test) each time it is turned on.
c. If the FC 16B includes a second power supply, repeat Steps 8a and 8b
for the remaining power supply.
Note Do not connect the switch to the network until the IP address is
correctly set. For instructions on how to set the IP address, see
“Configuring and Connecting the Switch” on page 17 .