Dell C7008/C300 Installation Manual download pdf (Page 32)

32 | Installing AC Power Supplies

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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 C300

system until the power supplies, blank panels, fan tray, RPMs, and line cards have been installed.

WARNING: The 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.

WARNING:

NOTE: For system input power requirements see

System Specifications

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:

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 Unshielded 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. A minimum of four AC power supplies are required to enable PoE, and 96 ports can be enabled per

PSU, starting at the fourth, as described in

Table 7-2

Voltage Frequency Maximum PSU

100 -120 50/60Hz 7 primary + 1 redundant

200 - 240 50/60Hz 7 primary + 1 redundant

Step Task

1 Verify the switch is in the OFF (bottom) position.

2 Slide the power supply into the left most power supply slot. See

Figure 7-1

for correct orientation.

3 Plug the power cord into the power receptacle in the face of the power supply. See

Figure 7-2

for location.

4 Plug the power cord into an AC power outlet.

5 Repeat steps 1 through 4 for the remaining power supplies.

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Dell C7008/C300 Installation Manual Page 32