HP R1500 G3 UPS manual Gnd

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Pin number	Signal name	Function	Direction from the UPS

5	GND	Signal common (tied to chassis)	—

6	DSR	To external device (tied to Pin 4)	Out

7	—	No connection	—

8	AC fail	AC fail relay contact; 20 mA, 30 Vdc contact	Out
		rating
9	—	No connection	—

Specifications 37

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Contents Part Number August Edition HP R1500 G3 UPS User GuidePage Contents Ordering spares UPS spare parts list Hardware options Power Protector softwareBefore you contact HP HP contact information Electrostatic discharge UPS R1500 G3 overview Component identificationUPS front panel UPS front panel controls UPS front panel LED indicatorsDescription Function LED description UPS R1500 G3 NA/JPN/TWN rear panelDescription UPS R1500 G3 Intl rear panel Precautions InstallationPreparing to install the hardware Tools requiredReadying the equipment Installing the UPSConnecting the batteries Attaching the UPS front bezel Connecting the host computer Selecting the UPS voltage configurationConnecting the Network Transient Protectors Connecting devices to the UPS Connecting the UPS to utility powerPowering up the UPS Installing the optional UPS Network ModuleCharging the UPS batteries Installation Connecting the UPS Network Module UPS operations Silencing an audible alarmModes of operation Initiating a self-testPowering down the UPS Important battery safety information MaintenanceRemoving the UPS front bezel Replacing the batteries UPS battery replacement procedure Battery care and storage guidelinesMaintenance Replacing the UPS Testing the new battery moduleReplacing the UPS option card Updating the UPS firmware Configuring a USB to serial converterReassigning the USB COM ports Maintenance Power Protector software Power managementPower management LED and audible alarm troubleshooting TroubleshootingAlarm LED Be silenced Green Yellow Red 20?UPS frequently switches between utility and battery power UPS operates on battery onlyUPS does not provide the expected backup time UPS does not startUPS cannot communicate with the host computer Site wiring conditionUPS emits a slight clicking noise UPS physical specifications SpecificationsUPS input specifications UPS output specificationsVoltage specifications Battery specificationsOutput tolerance specifications Output feature specificationsEnvironmental specifications Battery runtimePin number Signal name Function Direction from the UPS Serial communications port pin assignmentGND Spares UPS spare parts listOrdering spares Hardware optionsBefore you contact HP Support and other resourcesHP contact information Limited warranty Warranty information$250,000 Computer Load Protection Guarantee Pre-Failure Battery WarrantyRecommended duration of use Regulatory compliance identification numbers Regulatory compliance noticesFederal Communications Commission notice Cables ModificationsCanadian notice Avis Canadien Class a equipmentEuropean Union regulatory notice Japanese notice Bsmi notice Korean notice Power cord statement for Japan Battery replacement noticePreventing electrostatic discharge Electrostatic dischargeGrounding methods to prevent electrostatic discharge Acronyms and abbreviations Documentation feedback Index Maintenance 22 modifications, FCC notice