Cisco UCS C240 M3 Kurzanleitung

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Cisco UCS C240 M3 NEBS Server Service Note

This document is a supplement to the Cisco UCS C240 M3 Server Installation and Service Guide. This

document describes the differences between the Cisco UCS C240 M3 Server and the network equipment

building system- (NEBS-) compliant Cisco UCS C240 M3 NEBS Server. This document contains the

following sections:

•Features Specific to the Cisco UCS C240 M3 NEBS Server, page 1

•Power Supply Specifications, page 6

•NEBS GR-1089 Installation Caution and Rules, page 8

•Related Documentation, page 9

Features Specific to the Cisco UCS C240 M3 NEBS Server

When installing or servicing the Cisco UCS C240 M3 NEBS server, you can use the Cisco UCS C240

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 Requirement (DC Power Supplies Only), page 2

•Wiring a DC Power Supply, page 3

•Drive Support, page 5

•DIMMs, page 5

•CPUs, page 5

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Features Specific to the Cisco UCS C240 M3 NEBS Server

NEBS Compliance

The Cisco UCS C240 M3 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 C240 M3 NEBS server can use either AC or DC power supplies.

650 W AC Power Supply

The NEBS server can use one or two 650 W AC power supplies (Cisco PID UCSC-PSU-650W).

•The server is certified for NEBS Level 1 compliance when using these AC power supplies.

•These power supplies are hot-swappable with 1+1 redundancy when two power supplies are present.

•See Power Supply Specifications, page 6, for information about these power supplies.

•See the Cisco UCS C240 Server Installation and Service Guide, Chapter 3, for information about

replacing a power supply.

930 W DC Power Supply

The NEBS server can use one or two 930 W, –48 VDC power supplies (Cisco PID

UCSC-PSU-930WDC).

•The server is certified for NEBS Level 3 compliance when using these DC power supplies.

•These power supplies are hot-swappable with 1+1 redundancy when two power supplies are present.

•See Power Supply Specifications, page 6, for information about these power supplies.

•See the Cisco UCS C240 Server Installation and Service Guide, Chapter 3, for information about

replacing a power supply.

Installation Grounding Requirement (DC Power Supplies Only)

The 650 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 DC power supply, additional grounding of the server chassis to the earth ground of the

rack is required. Screw holes for use with your grounding lugs and grounding wires are supplied on the

chassis rear panel.

Note The grounding points on the chassis are sized for M5 screws. The grounding points are spaced at 0.625

inches (15.86 mm). You must provide your own screws, grounding lug, and grounding wire. The

grounding lug required is a Panduit LCD10-14AF-L or equivalent. 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-holes on the chassis rear panel.

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Features Specific to the Cisco UCS C240 M3 NEBS Server

Figure 1-1 Cisco UCS C240 M3 NEBS Server Rear Panel (DC Power Supply Version)

Wiring 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

Note The recommended wire gauge is 8 AWG. The minimum wire gauge is 10 AWG.

1Screw holes for grounding lugs 2DC power supplies (up to two)

PSU1 PSU2

PCIe 1

PCIe 2

PCIe 3

PCIe 4

PCIe 5

930W DC930W DC

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Features Specific to the Cisco UCS C240 M3 NEBS Server

Use the following procedure to connect wires to the DC power supply connector:

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 Remove the DC power connector block from the power supply. (The spare PID for this connector is

UCSC-CONN-930WDC=.)

To release the connector block from the power supply, push the orange plastic button on the top of the

connector inward toward the power supply and pull the connector block out.

Step 3 Strip 15mm (.59 inches) of insulation off the DC wires that you will use.

Step 4 Orient the connector as shown in Figure 1-2, with the orange plastic button toward the top.

Step 5 Use a small screwdriver to depress the spring-loaded wire retainer lever on the lower spring-cage wire

connector. Insert your green (ground) wire into the aperture and then release the lever.

Step 6 Use a small screwdriver to depress the wire retainer lever on the middle spring-cage wire connector.

Insert your black (DC negative) wire into the aperture and then release the lever.

Step 7 Use a small screwdriver to depress the wire retainer lever on the upper spring-cage wire connector. Insert

your red (DC positive) wire into the aperture and then release the lever.

Step 8 Insert the connector block back into the power supply. Make sure that your red (DC positive) wire aligns

with the power supply label, “+ DC”.

Figure 1-2 930 W, –48 VDC Power Supply Connector Block

1Wire retainer lever 2Orange plastic button on top of the connector

352024

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Features Specific to the Cisco UCS C240 M3 NEBS Server

Drive Support

The NEBS server uses the small form-factor, 24-drive backplane with expander. However, the maximum

number of drives supported is 16. The drives should be populated in drive bays 1—16.

•See Figure 1-3 for the drive-bay numbering.

•See the Cisco UCS C240 Server Installation and Service Guide, Chapter 3, for information about

replacing a drive.

•See the Cisco UCS C240 Server Installation and Service Guide, Appendix C, for information about

supported RAID controllers and cabling.

Figure 1-3 Cisco UCS C240 NEBS Server (Drive Bays 1—16)

DIMMs

The NEBS server supports a maximum DIMM size of 16 GB (32-GB DIMMs are not supported).

Load-reduce DIMMs (LRDIMMs) are not supported.

See the Cisco UCS C240 Server Installation and Service Guide, Chapter 3, for information about

populating and replacing DIMMs.

CPUs

The NEBS server supports only two types of CPU: Intel Xeon E5-2620 and E5-2658.

See the Cisco UCS C240 Server Installation and Service Guide, Chapter 3, for information about

populating and replacing CPUs.

HDD 1

HDD 2

HDD 3

HDD 4

HDD 5

HDD 6

HDD 7

HDD 8

HDD 9

HDD 10

HDD 11

HDD 12

HDD 13

HDD 14

HDD 15

HDD 16

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Power Supply Specifications

This section contains the following topics:

•Power Supply LEDs (AC and DC), page 6

•650 W AC Power Supply Specifications, page 7

•930W DC Power Supply Specifications, page 7

Power Supply LEDs (AC and DC)

Figure 1-4 shows the rear of the 930 W DC power supply, but the LEDs and their states are the same for

the 650 W AC power supply. See Table 1-1 for an explanation of the LED states.

Figure 1-4 930 W, –48 VDC Power Supply (Rear View)

1Power supply fault LED 3DC input connector

2Power supply status LED

930W DC

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Table 1-1 Power Supply LEDs, Definition of States

LED Name State

Power supply fault •Off—The power supply is operating normally.

•Amber, blinking—An event warning threshold has been reached, but the power

supply continues to operate.

•Amber, solid—A critical fault threshold has been reached, which causes the power

supply to shut down (for example, a fan failure or an over-temperature condition).

Power supply status •Off—There is no DC power to the power supply.

•Green, blinking—DC power OK; DC output not enabled.

•Green, solid—DC power OK; DC outputs OK.

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Power Supply Specifications

650 W AC Power Supply Specifications

Table 1-2 lists the specifications for each 650 W AC power supply (Cisco PID UCSC-PSU-650W).

930W DC Power Supply Specifications

Table 1-3 lists the specifications for each 930 W DC power supply (Cisco PID UCSC-PSU-930WDC).

Table 1-2 650 W AC Power Supply Specifications

Description Specification

Class RSP1

Input

AC input voltage range 100–120 V and 200–240V nominal

(self-ranging, 90–264 VAC)

AC input frequency Range: 50 to 60 Hz nominal (single phase, 47 to 63 Hz)

AC line input current (steady state) 7.6 A peak at 100 VAC

3.65 A peak at 208 VAC

Output

Maximum output power for each power

supply 650 W

Power supply output voltage Main power: 12 VDC

Standby power: 12 VDC

Table 1-3 930 W DC Power Supply Specifications

Description Specification

Class RSP1

Input

DC input voltage range –48 to -60 VDC nominal

(self-ranging, –40 to –72 VDC)

DC line input current (steady state) 23 A peak at –48 VDC

Output

12 V main power output 930 W

12 V standby power output 30 W

Power supply output voltage Main power: 12 VDC

Standby power: 12 VDC

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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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Related Documentation

This document is intended to be a supplement for the Cisco UCS C240 Server Installation and Service

Guide. The documentation set for the Cisco Unified Computing System (UCS) C-Series rack-mount servers

is also described in the roadmap document at the following link:

Cisco UCS C-Series Documentation Roadmap

Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, submitting a service request, and gathering additional

information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and

revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

Subscribe to the What’s New in Cisco Product Documentation as an RSS feed and set content to be

delivered directly to your desktop using a reader application. The RSS feeds are a free service. Cisco currently

supports RSS Version 2.0.

This document is to be used in conjunction with the documents listed in the “Related Documentation” section.

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Obtaining Documentation and Submitting a Service Request

Andere Handbücher für UCS C240 M3

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