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Dell K806N, K789N, K788N, 500W RS-232 Communication Port Pin Assignment, Additional UPS Features

Models: J716N 500W H965N H900N J715N K788N K806N H914N K789N

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Table 9. RS-232 Communication Port Pin Assignment

Pin	Signal Name	Function	Direction from the UPS

1		Unused	—

2	Tx	Transmit to external device	Out

3	Rx	Receive from external device	In

4		Unused	—

5	GND	Signal common (tied to chassis)	—

6		Unused	—

7		Unused	—

8		Unused	—

9		Unused	—

*Unused pins must be left free on all models.

Additional UPS Features

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Dell K806N, K789N, K788N, 500W, H914N, H900N, H965N, J715N RS-232 Communication Port Pin Assignment, Additional UPS Features

Contents

w w w . d e l l . c o m s u p p o r t . d e l l . c o m Users GuideDellt Tower UPS 500W, 1000W, and 1920/1500W E 2009 Dell Inc. All rights reserved Notes and WarningsInformation in this document is subject to change without notice Introduction Table of ContentsSafety Warnings InstallationNetwork Transient Protector Dell UPS Management Software 5 Additional UPS FeaturesRS-232 and USB Communication Ports Testing Batteries UPS MaintenanceSpecifications TroubleshootingIntroduction S Two standard communication ports USB and DB-9 serial port found at support.dell.com Finding InformationSafety, Environmental, and Regulatory Information Dell Warranty and Support InformationIMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS Safety WarningsSafety Warnings Inspecting the Equipment InstallationUnpacking the System Figure 3. 500W, 100/120V Rear Panel Identifying the UPS Rear PanelsInstallation This section shows the rear panels of the Dell Tower UPS modelsFigure 6. 1000W, 230V Rear Panel 14 InstallationFigure 5. 1000W, 120V Rear Panel On/Off Button InstallationFigure 7. 1920W/120V, 1500W/100V Rear Panel Figure 8. 1920W, 230V Rear PanelFigure 9. The Dell Tower UPS Identifying the UPS Front Panel16 Installation Connecting the UPS Internal Battery 6 Replace the UPS front cover 4 Connect the internal battery connector see FigureFigure 12. Connecting the Internal Battery Connector 18 InstallationExternal Battery Module Installation 3 Plug the EBM cable into the UPS battery connector see Figure Installing the UPS UPS Initial Startup Rating Table 2. Power Cord Ratings continuedInstallation Rating Table 2. Power Cord Ratings continued24 Installation 5 Plug the UPS power cord into a power outlet If there are no active alarms, a “No Active Alarms” message appears Starting the UPS OperationUPS Startup and Shutdown UPS Shutdown Starting the UPS on BatteryControl Panel Functions Startup Screen Changing the LanguageDisplay Functions UPS Status Screen LockedBattery Test Status Battery ModeBad Battery Detected or Battery Disconnected UPS General Alarms Activeequipment Measurements Event LogControl Screens Control ScreensTable 6 describes the available control screens Table 6. Control ScreensAvailable Settings SettingsIdentification Table 7. SettingsDescription Table 7. Settings continuedAvailable Settings Default SettingDescription Table 7. Settings continuedAvailable Settings Default SettingDescription Table 7. Settings continuedAvailable Settings Default SettingBehavior 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 Battery Tests Configuring Automatic RestartRunning Automatic Battery Tests RS-232 and USB Communication Ports Additional UPS FeaturesTable 9. RS-232 Communication Port Pin Assignment Additional UPS FeaturesDell Network Management Card Optional Dell UPS Management Software Network Transient ProtectorUPS and Battery Care UPS MaintenanceFigure 24. Removing the UPS Front Cover Transporting the UPSUPS Maintenance 4 Disconnect the internal battery connector see FigureFigure 25. Removing the Battery Cover Figure 26. Disconnecting the Internal Battery ConnectorStoring the UPS and Batteries When to Replace BatteriesTesting Batteries UPS Maintenance Updating the UPS FirmwareDimensions SpecificationsExternal Battery Module Table 11. Dimensions and WeightsVoltage Range Power LevelsTable 12. Electrical Input Nominal VoltageSafety Conformance Table 14. Environmental and SafetyOperating Temperature TemperatureFigure 27. Line-Interactive UPS Block Diagram Table 15. BatteryConfiguration Battery RuntimesUPS Status Menu TroubleshootingAccessing Alarms and Conditions Event Log Menu Typical Alarms and ConditionsAction Table 16. Typical Alarms and Conditions continuedAlarm or Condition Possible CausePossible Cause Table 16. Typical Alarms and Conditions continuedAlarm or Condition TroubleshootingPossible Cause Silencing the AlarmTable 16. Typical Alarms and Conditions continued Alarm or Condition