Hot-Swapping Redundant Power Supply Units - QNAP TS-h2490FU User Manual

TS-h2490FU User Guide
c. Tighten the screws.
9. Connect all cables and external attachments.
10. Connect the power cord to the electrical outlet.
11. Power on the NAS.

Hot-Swapping Redundant Power Supply Units

1. Power off the storage controller.
2. Disconnect the power cord from the electrical outlet and the power supply unit (PSU) that you are
replacing.
Installation and Configuration 25