HP UPS R1500 GENERATION 2 manual Pin Signal Function Direction from the UPS Number Name, Dsr

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Pin	Signal	Function	Direction from the UPS
number	name

1	Low batt	Low battery relay contact; 20 mA, 30 Vdc	Out
		contact rating

2	TxD	Transmit to external device	Out

3	RxD	Receive from external device	In

4	DTR	PnP from external device (tied to Pin 6)	In

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 39

Image 39

Contents Part Number December 2009 Second Edition HP UPS R1500 Generation 2 User GuideIntended audience Contents Before you contact HP HP contact information Ordering spares UPS spare parts list Hardware optionsElectrostatic discharge Component identification UPS R1500 G2 overviewUPS front panel Description Function UPS front panel controlsUPS R1500 G2 NA/JPN/TWN rear panel UPS front panel LED indicatorsDescription UPS R1500 G2 Intl rear panelInput power connector IEC-320-C14 power inlet Tools required InstallationPrecautions Preparing to install the hardwareReadying the equipment Installing the mounting railsInstallation Installation Installation Tighten the wing nuts or hex nuts Installing the UPSConnecting the batteries Attaching the UPS front bezel Connect the battery lead to the battery terminalConnecting the host computer Selecting the UPS voltage configurationConnecting the Network Transient Protectors Connecting the serial communications portConnecting the USB communications port Connecting devices to the UPS Connecting the UPS to utility powerCharging the UPS batteries Powering up the UPSModes of operation Standby modeOperate mode UPS operationsInitiating a self-test Silencing an audible alarmPowering down the UPS Battery modePower management software Power managementRemoving the UPS front bezel Replacing the UPS option card MaintenanceReplacing the batteries Important battery safety informationBattery care and storage guidelines To replace the component, reverse the removal procedureUPS battery replacement procedure Testing the new battery module To remove the UPS Power down all attached load devicesReplacing the UPS Updating the UPS firmware Configuring a USB to serial converterReassigning the USB COM ports Cleaning battery spills Troubleshooting LED and audible alarm troubleshootingRed Silenced Yellow UPS does not start UPS operates on battery onlyUPS frequently switches between utility and battery power UPS does not provide the expected backup timeSite wiring condition UPS cannot communicate with the host computerUPS emits a slight clicking noise UPS output specifications SpecificationsUPS physical specifications UPS input specificationsOutput tolerance specifications Battery specificationsPower protection specifications Voltage specificationsBattery runtime Environmental specificationsSerial communications port pin assignment DSR Pin Signal Function Direction from the UPS Number NameHardware options UPS spare parts listSpares Ordering sparesTechnical support Before you contact HPHP contact information Pre-Failure Battery Warranty Warranty informationLimited warranty $250,000 Computer Load Protection GuaranteeRecommended duration of use Regulatory compliance notices Regulatory compliance identification numbersFederal Communications Commission notice Cables ModificationsEuropean Union regulatory notice Canadian notice Avis CanadienJapanese notice Battery replacement notice Bsmi notice Korean noticeClass a equipment Class B equipment Power cord statement for Japan Electrostatic discharge Preventing electrostatic dischargeGrounding methods to prevent electrostatic discharge Acronyms and abbreviations Index LEDs, troubleshooting USB connectors

Pin

Signal

Function

Direction from the UPS

number

name

DSR