NOTE: If you unlatched the cable management arm, relatch it. For information about the cable
management arm, see the rack documentation of your system.
2.
Connect the power cable to the PSU and plug the cable into a power outlet.
CAUTION: When connecting the power cable, secure the cable with the strap.
NOTE: When installing, hot swapping, or hot-adding a new PSU, wait for 15 seconds for the
system to recognize the PSU and determine its status. The power supply redundancy may not
occur until discovery is complete. Wait until the new PSU is discovered and enabled before you
remove the other PSU. The PSU status indicator turns green to signify that the PSU is
functioning properly.
Figure 69. Installing an AC PSU
1.
release latch
2. PSU cable connector
3. PSU
4. power connector
5. PSU handle
Related Links
Removing an AC power supply unit
Wiring instructions for a DC power supply unit
Your system supports up to two –(48–60) V DC power supply units (when available).
WARNING: For equipment using –(48–60) V DC power supply units (PSUs), a qualified electrician
must perform all connections to DC power and to safety grounds. Do not attempt connecting to
DC power or installing grounds yourself. All electrical wiring must comply with applicable local
or national codes and practices. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow all safety instructions that came with the product.
CAUTION: Wire the unit with copper only, unless otherwise specified, use only 10 American Wire
Gauge (AWG) wire rated minimum 90 ºC for source and return. Protect the –(48–60) V DC (1
wire) with a branch circuit over-current protection rated 50 A for DC with a high interrupt
current rating.
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