Cisco UCS C220 M4 Kurzanleitung

DRAFT: Cisco Confidential

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Cisco UCS C220 M4 NEBS Server Service Note

This document is a supplement to the Cisco UCS C220 M4 Server Installation and Service Guide. This

document describes the differences between the Cisco UCS C220 M4 Server and the network equipment

building system- (NEBS-) compliant Cisco UCS C220 M4 NEBS Server. This document contains the

following sections:

•Features Specific to the Cisco UCS C220 M4 NEBS Server, page 1

•Power Supply Specifications, page 5

•DC Power Cord, page 8

•NEBS GR-1089 Installation Caution and Rules, page 9

•Related Documentation, page 10

Features Specific to the Cisco UCS C220 M4 NEBS Server

When installing or servicing the Cisco UCS C220 M4 NEBS server, you can use the Cisco UCS C220

M4 Server Installation and Service Guide, but note the following exceptions and rules that are specific

to the NEBS server.

This section contains the following topics:

•NEBS Compliance, page 2

•Power Supplies, page 2

•Installation Grounding, page 2

•Installing a DC Power Supply, page 3

•NEBS Server Component Support, page 4

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Cisco UCS C220 M4 NEBS Server Service Note

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 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.

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=).

•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 5, for information about these power supplies.

•See the Cisco UCS C220 M4 Server Installation and Service Guide,Chapter 3, forinformation about

replacing a power supply.

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 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 5, for information about these power supplies.

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.

Note You must provide your own screw with lock-washer, grounding lug, and grounding wire. The

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 Figure 1-1 for the location of the grounding lug screw-hole on the chassis rear panel.

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Cisco UCS C220 M4 NEBS Server Service Note

Features Specific to the Cisco UCS C220 M4 NEBS Server

Figure 1-1 Cisco UCS C220 M4 NEBS Server Rear Panel (AC Power Supply Version)

Installing a DC Power Supply

Warning

A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.

Statement 1022

Warning

This product requires short-circuit (overcurrent) protection, to be provided as part of the building

installation. Install only in accordance with national and local wiring regulations. Statement 1045

Warning

When installing or replacing the unit, the ground connection must always be made first and

disconnected last. Statement 1046

Warning

Installation of the equipment must comply with local and national electrical codes. Statement 1074

Warning

Hazardous voltage or energy may be present on DC power terminals. Always replace cover when

terminals are not in service. Be sure uninsulated conductors are not accessible when cover is in

place. Statement 1075

1#10-32 screw hole for grounding lug

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Cisco UCS C220 M4 NEBS Server Service Note

Features Specific to the Cisco UCS C220 M4 NEBS Server

Installing a 1050 W DC Power Supply, UCSC-PSU2-1050DC

If you are using the 1050 W DC power supply, you connect power using a 3-wire cable with a keyed

connector that plugs into a fixed power-input socket on the power supply.

Caution Before beginning this wiring procedure, turn off the DC power source from your facility’s circuit breaker

to avoid electric shock hazard.

Step 1 Turn off the DC power source from your facility’s circuit breaker to avoid electric shock hazard.

Step 2 Wire the supplied 3-wire connector cable (CAB-48DC-40A-8AWG) to your facility’s DC power source.

Note The supplied connector cable contains 8 AWG gauge wires. The recommended facility wire gauge is

8 AWG. The minimum facility wire gauge is 10 AWG.

Step 3 Plug the supplied connector cable into the power input socket on the power supply. The connector is

keyed to the socket so that the polarity is aligned correctly.

Step 4 Return power from your facility’s DC power source at the circuit breaker.

Figure 1-2 1050 W, –48 VDC Power Supply Connector

NEBS Server Component Support

This NEBS server uses the small form-factor drives, eight-drive version of the Cisco UCS C220 M4

server. For the list of supported components in the NEBS version of the server and their ordering PIDs,

refer to the Cisco UCS C220 M4 SFF Rack Server Specification Sheet.

1Keyed cable connector

(CAB-48DC-40A-8AWG)

3Power supply status LED

2Keyed DC input socket

305145

1 2 3

1050W DC

+DC

- DC

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Cisco UCS C220 M4 NEBS Server Service Note

Power Supply Specifications

This section contains the following topics:

•Power Supply LED (AC and DC), page 5

•770 W AC Power Supply Specifications, page 6

•1050 W DC Power Supply Specifications, page 7

Power Supply LED (AC and DC)

The supported power supplies have a single power supply status LED. See Table 1 for an explanation of

the LED states.

Table 1 Power Supply LED, Definition of States

LED Name State

Power supply status LED AC power supply (UCSC-PSU1-770W):

•Off—No AC input (12 V main power off, 12 V standby power off).

•Green, blinking—12 V main power off; 12 V standby power on.

•Green, solid—12 V main power on; 12 V standby power on.

•Amber, blinking—Warning threshold detected but 12 V main power on.

•Amber, solid—Critical error detected; 12 V main power off (for example,

over-current, over-voltage, or over-temperature failure).

DC power supply (UCSC-PSUV2-1050DC):

•Off—No DC input (12 V main power off, 12 V standby power off).

•Green, blinking—12 V main power off; 12 V standby power on.

•Green, solid—12 V main power on; 12 V standby power on.

•Amber, blinking—Warning threshold detected but 12 V main power on.

•Amber, solid—Critical error detected; 12 V main power off (for example,

over-current, over-voltage, or over-temperature failure).

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Cisco UCS C220 M4 NEBS Server Service Note

Power Supply Specifications

770 W AC Power Supply Specifications

Table 2 lists the specifications for each 770 W AC power supply (Cisco PID UCSC-PSU1-770W=).

Table 2 770 W AC Power Supply Specifications

Description Specification

AC input voltage Nominal range: 100–120 VAC, 200–240 VAC

(Range: 90–132 VAC, 180–264 VAC)

AC input frequency Nominal range: 50 to 60Hz

(Range: 47–63 Hz)

Maximum AC input current 9.5 A at 100 VAC

4.5 A at 208 VAC

Maximum input volt-amperes 950 VA at 100 VAC

Maximum output power per PSU 770 W

Maximum inrush current 15 A (sub-cycle duration)

Maximum hold-up time 12 ms at 770 W

Power supply output voltage 12 VDC

Power supply standby voltage 12 VDC

Efficiency rating Climate Savers Platinum Efficiency (80Plus Platinum

certified)

Form factor RSP2

Input connector IEC320 C14

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Cisco UCS C220 M4 NEBS Server Service Note

Power Supply Specifications

1050 W DC Power Supply Specifications

Table 3 lists the specifications for each 1050 W DC power supply (Cisco PID

UCSC-PSU2V2-1050DC=).

Table 3 1050 W DC Power Supply Specifications

Description Specification

DC input voltage range Nominal range: –48 to –60 VDC nominal

(Range: –40 to –72 VDC)

Maximum DC input current 32 A at –40 VDC

Maximum input W 1234 W

Maximum output power per PSU 1050 W on 12 VDC main power

36 W on 12 VDC standby power

Maximum inrush current 35 A (sub-cycle duration)

Maximum hold-up time 5 ms at 100% load (1050 W main and 36 W standby)

Power supply output voltage 12 VDC

Power supply standby voltage 12 VDC

Efficiency rating ≥92% at 50% load

Form factor RSP2

Input connector Fixed 3-wire block

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Cisco UCS C220 M4 NEBS Server Service Note

DC Power Cord

Table 1-2 describes the supported DC power cord. For the list of AC power cords supported with the server,

see the Cisco UCS C220 M4 Server Installation and Service Guide.

Figure 1-3 CAB-48DC-40A-8AWG, DC Power Cord (3.5 m)

Table 1-2 Supported Power Cords for the Server

Description

Length Power Cord

Reference IllustrationFeet Meters

CAB-48DC-40A-8AWG

Power cord, -48 VDC 40 A,

Three-socket Mini-Fit connector to three-wire

pigtail 8 AWG

11.7 3.5 Figure 1-3

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Cisco UCS C220 M4 NEBS Server Service Note

NEBS GR-1089 Installation Caution and Rules

The following information is derived from the NEBS GR-1089 specification, Electromagnetic

Compatibility and Electrical Safety—Generic Criteria for Network Telecommunications.

This content also appears in the Regulatory Compliance and Safety Information For Cisco UCS C-Series

Servers.

Caution The intrabuilding ports (Ethernet and serial) of the equipment or subassembly is suitable for connection

to intrabuilding or unexposed wiring or cabling only. The intrabuilding ports of the equipment or

subassembly must not be metallically connected to interfaces that connect to the outside plant (OSP) or

its wiring. These interfaces are designed for use as intrabuilding interfaces only (Type 2 or Type 4 ports

as described in GR-1089-CORE) and require isolation from the exposed OSP cabling. The addition of

primary protectors is not sufficient protection in order to connect these interfaces metallically to OSP

wiring.

•The Cisco Unified Computing System (UCS) has AC power ports that are intended for deployments

where an external Surge Protective Device (SPD) is utilized at the AC power service equipment (see

the definition in National Electric Code).

•The Cisco UCS is designed for a Common Bonding Network (CBN) installation.

•The Cisco UCS can be installed in network telecommunication facilities or locations where the

National Electric Code applies.

•An electrical conducting path shall exist between the product chassis and the metal surface of the

enclosure or rack in which it is mounted or to a grounding conductor. Electrical continuity shall be

provided by using thread-forming type mounting screws that remove any paint or nonconductive

coatings and establish a metal-to-metal contact. Any paint or other nonconductive coatings shall be

removed on the surfaces between the mounting hardware and the enclosure or rack. The surfaces

shall be cleaned and an antioxidant applied before installation.

•The DC return connection to this system should remain isolated from the system frame and chassis

(DC-I).

•The nominal DC operating voltage is –48 VDC.

•The intrabuilding RJ-45 Ethernet ports of the equipment or subassembly must use shielded

intrabuilding cabling or wiring that is grounded at both ends.

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Cisco UCS C220 M4 NEBS Server Service Note

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