Cisco UCS C220 M4 Note de service - Page 2
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Features Specific to the Cisco UCS C220 M4 NEBS Server
NEBS Compliance
The Cisco UCS C220 M4 NEBS Server has been certified for the following levels of NEBS compliance:
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Power Supplies
The Cisco UCS C220 M4 NEBS server can use either AC or DC power supplies.
770 W AC Power Supply
The NEBS server can use one or two 770 W AC power supplies (Cisco PID UCSC-PSU1-770W=).
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1050 W DC Power Supply
The NEBS server can use one or two 1050 W, –48 VDC power supplies (Cisco PID
UCSC-PSUV2-1050DC=).
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Installation Grounding
The 770 W AC power supplies have internal grounding and so no additional grounding is required when
the supported AC power cords are used.
When using the 1050 W DC power supply, additional grounding of the server chassis to the earth ground
of the rack is available. A single screw hole for use with your grounding lug and grounding wire is
supplied on the chassis rear panel.
You must provide your own screw with lock-washer, grounding lug, and grounding wire. The
Note
recommended lug is Panduit LCD10-14AF-L or equivalent. The grounding point on the chassis is sized
for a single #10-32 screw. A lock-washer is required to secure the lug to the chassis. The grounding lug
must fit a #10-32 screw and 14 AWG wire. The grounding cable that you provide must be 14 AWG
(2 mm), minimum 60° C wire, or as permitted by the local code.
See
Cisco UCS C220 M4 NEBS Server Service Note
2
D R A F T: C i s c o C o n f i d e n t i a l
The DC-power version of the server is certified for NEBS Level 3 compliance.
The AC-power version of the server is certified for NEBS Level 1 compliance.
The server is certified for NEBS Level 1 compliance when using this AC power supply.
These power supplies are hot-swappable with 1+1 redundancy when two power supplies are present.
See
Power Supply Specifications, page
See the
Cisco UCS C220 M4 Server Installation and Service Guide,
replacing a power supply.
The server is certified for NEBS Level 3 compliance when using this DC power supply.
These power supplies are hot-swappable with 1+1 redundancy when two power supplies are present.
See
Power Supply Specifications, page
Figure 1-1
for the location of the grounding lug screw-hole on the chassis rear panel.
5, for information about these power supplies.
5, for information about these power supplies.
Chapter 3, for information about