Dell 3750W, K805N, J739N, K804N, J730N, H952N Settings Description Available Settings Default Setting

Page 45

Table 6. Settings (continued)

Description

Available Settings

Default Setting

 

 

 

 

Unsynchronized Transfers

[Enabled] [Disabled]

Enabled

 

 

If Enabled, unsynchronized transfers to the Bypass

 

 

 

are allowed.

 

 

 

If Disabled, unsynchronized transfers to the Bypass

 

 

 

are not allowed.

 

 

 

NOTE: The Qualify Bypass setting may overrule the

 

 

 

Unsynchronized Transfers setting.

 

 

 

 

 

 

External Battery Module (EBM)

[0] [1]

0

 

 

See “Configuring the UPS for an EBM” on page 52.

 

 

 

 

 

 

Charger

[Enabled] [Disabled]

Enabled

 

 

If Enabled, batteries charge normally.

 

 

 

If Disabled, the battery charger is off.

 

 

 

 

 

 

Battery Charge % to Restart

[0 %] [10%] [20%] [30%]...[100%]

0 %

 

 

When enabled, automatic restart is made when the

 

 

 

battery charge state reaches the selected level. If set

 

 

 

to 0, the feature is disabled.

 

 

 

 

 

 

Battery Low Alarm

[Immediate] [2 min] [3 min] [5 min]

3 min

 

 

If you select a value, the battery low alarm triggers

 

 

 

when the set amount of backup time

 

 

 

(approximately) remains in the batteries.

 

 

 

If Immediate, the battery low alarm activates at the

 

 

 

same time as the “UPS on Battery” notice.

 

 

 

 

 

 

Automatic Battery Tests

[Enabled] [Disabled]

Enabled

 

 

See “Running Automatic Battery Tests” on page 53.

 

 

 

 

 

 

Reset Peak Consumption Watts

[No] [Yes]

No

 

 

If No, no action.

 

 

 

If Yes, the Peak Consumption Watts value is

 

 

 

cleared and the date and time stamp for this

 

 

 

statistic is set to the current date and time.

 

 

 

 

 

 

Reset Cumulative Consumption

[No] [Yes]

No

 

kWh

If No, no action.

 

 

 

 

 

 

If Yes, the Cumulative Consumption kWh value is

 

 

 

cleared and the date and time stamp for this

 

 

 

statistic is set to the current date and time.

 

 

 

 

 

 

 

 

Operation

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Contents Users Guide September 2009 164201789 Table of Contents Dell UPS Management Software RS-232 and USB Communication PortsUPS Status Menu Event Log Menu Testing BatteriesDell Online 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 208V Rear Panel Identifying the UPS Rear Panels230V Rear Panel Dell Online Rack UPS Front Panel Identifying the UPS Front PanelRemoving the Battery Retaining Bracket Rackmount SetupRemoving the Battery Trays Installing the Rails Installing the Cabinet Install the UPS battery trays see Figure Installation Installing the UPS Front Cover Installing the EBMInstalling Remote Emergency Power-off Installing the UPSRepo Connector Repo Connections Wire FunctionHardwiring the UPS Input Circuit Breaker Diagram UPS Initial Startup UPS Input Terminal Block UPS Wiring SpecificationsInstallation Operation UPS Startup and ShutdownStarting the UPS UPS Shutdown Starting the UPS on BatteryControl Button Functions Control Button Sequence Control Panel FunctionsChanging the Language Display FunctionsStartup Screen UPS Status Screen LockedBypass Mode Battery ModeBad Battery Detected or Battery Disconnected UPS General Alarms ActiveNormal Mode Status Summary Screens Description Battery Test StatusHigh Efficiency Mode Converter ModeEvent Log Battery Status Screens DescriptionMeasurements Control Screens Description Control ScreensIdentification Settings Description Available Settings Default Setting SettingsSettings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Transferring the UPS Between Modes Transferring from Normal to Bypass ModeTransferring from Bypass to Normal Mode Setting Power StrategyBehavior 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 SettingsConfiguring Automatic Restart Running Automatic Battery TestsConfiguring 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 Maintenance UPS and Battery CareTransporting the UPS Remove the UPS front cover see Figure Storing the UPS and Batteries When to Replace BatteriesUpdating the UPS Firmware Testing BatteriesSpecifications Power Levels Efficiency Normal modeRegulation Normal mode Regulation Battery modeOperating Temperature Environmental and SafetyTemperature Relative Humidity Safety ConformanceBattery Type Battery ConfigurationBattery Runtimes VoltageTroubleshooting Accessing Alarms and ConditionsUPS Status Menu Event Log Menu Typical Alarms and ConditionsAction Troubleshooting Troubleshooting Silencing the Alarm
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H952N, K804N, J739N, K805N, J730N specifications

The Dell J730N, K805N, J739N, 4200W, and 3750W are all high-performance server power supplies designed to provide reliable power solutions for various Dell server models. These power supplies are engineered to ensure maximum uptime, energy efficiency, and seamless operation in data center environments.

Starting with the Dell J730N, this power supply unit is known for its robust design and 730W output capacity. It features hot-swappable functionality, allowing for easy replacement without powering down the server. This is crucial for mission-critical applications where downtime can lead to significant operational challenges. The J730N is compatible with various Dell servers, making it a versatile choice for data centers looking to enhance their power management.

The K805N power supply is another excellent option with a power output of 800W. It incorporates advanced features such as Automatic Voltage Regulation (AVR), which ensures that the output voltage remains stable even during fluctuations in the input voltage. This technology is vital for protecting sensitive server components from potential damage caused by power inconsistencies. Additionally, the K805N is designed with a modular approach, allowing for easy integration and scalability.

The Dell J739N exemplifies Dell’s commitment to energy efficiency with its 750W rating. It meets stringent efficiency standards, making it an environmentally friendly option that helps reduce power consumption and operational costs. The J739N is often used in combination with other Dell equipment to create a cohesive and efficient power management strategy. Its reliability is bolstered by a combination of intelligent internal monitoring systems that detect and address power anomalies.

The 4200W and 3750W power supplies represent higher capacity options for larger, more demanding server environments. These units are equipped with multiple redundant power circuits, ensuring that if one circuit fails, others will continue to supply power without interruption. The advanced cooling technologies utilized in these models also enhance performance and reliability by preventing overheating.

Overall, these Dell power supplies reflect the highest standards in design and technology. They are integral to maintaining the health and efficiency of server operations, contributing significantly to the resilience and effectiveness of data-centered environments. With a focus on compatibility, energy efficiency, and reliability, the J730N, K805N, J739N, 4200W, and 3750W power supplies remain essential components in modern IT infrastructures.