Cisco UCS C220 M4 Служебная записка - Страница 2

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Также для Cisco UCS C220 M4: Краткое руководство по эксплуатации (29 страниц), Краткое руководство по эксплуатации (29 страниц), Руководство по обновлению (11 страниц)

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:

•

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=).

•

1050 W DC Power Supply

The NEBS server can use one or two 1050 W, –48 VDC power supplies (Cisco PID

UCSC-PSUV2-1050DC=).

•

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

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.

Chapter 3, for information about