Dell PowerConnect 7000 Serie Guide De Mise En Route page 24

Connecting a Switch to a Power Supply
CAUTION:
as well as the safety information for other switches that connect to or support the
switch.
The PowerConnect 7048R switch has two power supplies for redundant or
load-sharing operation. All other models in the PowerConnect 7000 Series
have one power supply. The power receptacles are on the back panel.
AC and DC Power Connection
1 Make sure that the switch console port is connected to a VT100 terminal
or VT100 terminal emulator via the RJ-45 to DB-9 female cable.
2 Using a 5-foot (1.5 m) standard power cable with safety ground connected,
connect the power cable to the AC main receptacle located on the back
panel (see Figure 1-15).
3 Connect the power cable to a grounded AC outlet.
4 If you are using a redundant or external DC power supply, such as the
PowerConnect RPS720 or PowerConnect MPS1000, connect the DC
power cable to the DC receptacle located on the back panel (see
Figure 1-15).
Figure 1-15. AC and DC Power Connection to Switch
To DC Power Source (Optional)
22
Getting Started Guide
Read the safety information in the Safety and Regulatory Information
To AC Power Source