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Installing the AC Power Supply
WARNING: Use only the power cord supplied with the power supply. Do not supply power to your C-Series
system until the power supplies, blank panels, fan tray, RPMs, and line cards have been installed.
WARNING: The C7008/C300 operates in either of two voltage ranges. Each range supports a different power
supply configuration. As a safety precaution, do not install more than the recommended maximum number of
PSUs (given by the table below), as this causes high leakage current. Install blank panels in all unused PSU
slots.
Voltage
100 -120
200 - 240
WARNING:
NOTE: For system input power requirements see
You can install any AC power supply into any power supply slot. Dell Networking recommends installing
power supplies starting from the left side of the chassis, leaving no blank slots between units.
To install an AC power supply:
Step
Task
Verify the switch is in the OFF (bottom) position.
1
Slide the power supply into the left most power supply slot. See
2
Plug the power cord into the power receptacle in the face of the power supply. See
3
Plug the power cord into an AC power outlet.
4
Repeat steps 1 through 4 for the remaining power supplies.
5
Power Cord Requirements
If using a power cord other then a Dell Networking supplied power cord, the power source end of the
power cord must have an appropriately sized plug that complies with your local electrical codes.
Conductor size must also conform to your local electrical codes.
CAUTION: The power cord is the main power disconnect device; ensure that the socket-outlet is located/
installed near the equipment and is easily accessible.
Power Over Ethernet (PoE)
The C-Series can transmit power to Ethernet devices over the signal pairs of an Shielded Twisted Pair
(UTP) cable. A maximum of 15.4 Watts (at 48 Volts) can be transmitted over a link.
The chassis transmits power to connected IEEE 802.3af-compliant devices via ports that are enabled with
PoE. PoE is enabled if surplus power is available from system PSUs. If the system power requirements
are fulfilled by one PSU and surplus power is available, then PoE is enabled using that single PSU.
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Installing AC Power Supplies
Frequency
Maximum PSU
50/60Hz
7 primary + 1 redundant
50/60Hz
7 primary + 1 redundant
System
Specifications.
Figure 7-1
for correct orientation.
Figure 7-2
for location.
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