Dell J735N, K802N, K811N, K792N, 1000W, 2700W, J727N Repo Connections Wire Function, Repo Connector

Page 31

NOTE: For Europe, the emergency switch requirements are detailed in Harmonized document HD-384-48 S1,

“Electrical Installation of the Buildings, Part 4: Protection for Safety, Chapter 46: Isolation and Switching.”

REPO Connections

Wire Function

Terminal Wire Size Rating

Suggested Wire Size

 

 

 

 

REPO

L1

4–0.32 mm2 (12–22 AWG)

0.82 mm2 (18 AWG)

 

 

 

L2

 

 

 

 

 

 

 

NOTE: The pins must be open to keep the UPS running. If the UPS shuts down because the REPO connector pins are shorted, restart the UPS by re-opening the REPO connector pins and turning on the UPS manually. Maximum resistance in the shorted loop is 10 ohm.

NOTE: Always test the REPO function before applying your critical load to avoid accidental load loss.

Remove Jumper if

installed

Figure 29. REPO Connector

To install the REPO switch:

1Verify that the UPS is off and unplugged.

2Remove the REPO connector from the accessory kit.

NOTE: Verify that there is no jumper installed in the REPO connector. If a jumper is installed, remove it before connecting to the REPO port.

3Connect the REPO connector to the REPO port labeled “IN” on the UPS rear panel.

4Optional. If you are daisy-chaining the REPO function with another UPS, you can shut down the entire system using a single switch.

Connect the second REPO connector to the REPO port labeled “OUT.”

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Contents Users Guide September 2009 S 164201787 Table of Contents Dell UPS Management Software RS-232 and USB Communication PortsUPS Status Menu Event Log Menu Testing BatteriesDell Line-Interactive Rack UPS IntroductionIntroduction What are You Looking For? Find It Here Finding InformationUPS Output Power Safety WarningsSafety Warnings Safety Warnings Inspecting the Equipment InstallationUnpacking the Cabinet Unpacking the CabinetLifting the Cabinet 100V/120V Rear Panel Identifying the UPS Rear Panels120V, 1500W/100V Rear Panel 120V, 2300W/100V Rear Panel Dell Line-Interactive Rack UPS Front Panel Identifying the UPS Front PanelRackmount Setup UPS SetupRemoving the Battery Tray Installing the Rails Installing the Cabinet Installing the Battery Tray Installing the UPS Front Cover Tower SetupConnect the internal battery connector Rotate the control panel 90 counterclockwise see Figure Carefully position the cabinet upright see Figure Removing the Battery Connector Cover Installing the EBMInstalling the Battery Connection Cover Installing Remote Emergency Power-off Installing the UPSRepo Connector Repo Connections Wire FunctionUPS Initial Startup Minimum Upstream Circuit Breaker Rating UPS Output PowerRating Power Cord RatingsAustralia Optional GB2099 to C13 CEE 7/7 Schuko to C19 Installation UPS Startup and Shutdown OperationStarting the UPS UPS Shutdown Starting the UPS on BatteryControl Button Functions Control Button Sequence Control Panel FunctionsDisplay Functions Changing the LanguageStartup Screen UPS Status Screen LockedBattery Test Status Battery ModeBad Battery Detected or Battery Disconnected UPS General Alarms ActiveStandby Mode Status Summary Screens Description Normal ModeBattery Status Screens Description Measurements Event LogControl Screens Description Control ScreensSettings Description Available Settings Default Setting SettingsIdentification Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Behavior on Overload Retrieving the Event LogControlling Load Segments Through the Display Configuring Load SegmentsConfiguring Automatic Start Delay Configuring Automatic on Battery Shutdown Configuring the UPS for an EBM Configuring Battery SettingsRunning Automatic Battery Tests Configuring Automatic RestartConfiguring Automatic Battery Tests RS-232 and USB Communication Ports Additional UPS FeaturesGND RS-232 Communication Port Pin AssignmentDell Network Management Card Dell Network Management Card OptionalDell UPS Management Software UPS and Battery Care UPS MaintenanceRemoving the UPS Front Cover Transporting the UPSDisconnect the internal battery connectors see Figure Replacing the UPS Front Cover Storing the UPS and BatteriesTesting Batteries When to Replace BatteriesUpdating the UPS Firmware Specifications Nominal Voltage Efficiency Normal modePower Levels Electrical InputSafety Conformance Environmental and SafetyOperating Temperature Temperature Relative HumidityFuses Battery ConfigurationBattery Runtimes VoltageAccessing Alarms and Conditions TroubleshootingUPS Status Menu Event Log Menu Typical Alarms and ConditionsAction Troubleshooting Silencing the Alarm
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H928N, K811N, H919N, 1000W, 2700W specifications

Dell's power supply units (PSUs) are essential components for Dell servers and workstations, providing reliable power solutions tailored to meet different demands. Among these, the 500W, 1000W, and 1920W/1500W power supplies stand out for their efficiency, performance, and advanced features tailored to various IT environments.

Starting with the 500W power supply, this unit is designed for entry-level servers and workstations. It boasts a compact design that facilitates easy installation in space-constrained scenarios. The 500W PSU operates with a high efficiency rating, contributing to lower energy costs and reduced heat output. It supports the latest energy standards, including 80 PLUS certification, ensuring that customers can rely on it for consistent performance and reliability. This unit is particularly suitable for small to medium businesses looking for cost-effective power solutions for basic applications.

The 1000W power supply represents a step up, featuring dual 12V outputs that provide stable power for more demanding tasks. Designed for mid-range servers and advanced workstations, it balances performance and efficiency, making it ideal for enterprises that require additional processing power for virtualization, data analysis, and high-performance computing tasks. The 1000W PSU includes built-in protections against over-voltage, short circuits, and over-temperature conditions, adding an extra layer of reliability that is crucial for mission-critical operations.

For environments with higher power demands, Dell offers the 1920W/1500W power supply. This robust unit is engineered for high-performance servers and large-scale data centers, where maximum uptime and performance are paramount. The modular design of the 1920W/1500W power supply allows for enhanced cable management, reducing clutter and improving airflow within racks. With an efficiency rating that adheres to 80 PLUS Platinum standards, this PSU not only minimizes energy consumption but also maximizes operational efficiency, making it ideal for organizations looking to optimize their data center environments.

In summary, Dell's 500W, 1000W, and 1920W/1500W power supplies cater to a wide range of computing needs. From entry-level solutions to high-capacity units for demanding environments, Dell ensures that its power supplies provide reliability, efficiency, and performance. As organizations continue to evolve their IT infrastructure, these power supplies remain pivotal in supporting their growth and operational goals.
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