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11 Chapter 2
2.2 Chassis Installation
2.2.1 Important Safety Guidelines
Safety Steps
Before accessing the chassis:
1. Use a grounded wrist strap designed to prevent static discharge
when handling components.
2. Turn off all peripheral devices and turn off the power supply con-
nected to the DNS series.
3. Unplug all power cords from the system or wall outlets.
4. Disconnect all the cables and label the cables for easy identifica-
tion.
Removing the chassis covers:
After completing the above steps, you can remove the chassis covers and
install components and devices into the chassis as described in this chap-
ter.
1. Unlock and remove the screws and fasteners to remove the cover or
components.
2. Save all the screws and fasteners for later use. (If necessary, label
these screws or fasteners for easy identification.)
3. Follow the instructions given in this chapter to remove the chassis
covers.
Warning!: This product shall only be accessed, assembled
and serviced by technically qualified personnel or
technicians.
To avoid personal injury and property damage,
please read all the information provided in Chap-
ter 1, and carefully follow all the Safety Guide-
lines listed before accessing or servicing the
DNS series or its components.
For your convenience, some safety steps are
also listed below.