HP UPS R1500 GENERATION 2 manual Reassigning the USB COM ports

Page 31

oFlow control: None

9.Click Advanced.

The Advanced Settings screen appears.

10.From the COM Port Number drop down menu, select Com 1 for the USB port number. If COM 1 is being used by another USB port, the following message appears:

This COM name is being used by another device. Using duplicate names can lead to inaccessible devices and changed settings. Do you want to continue?

a.Click YES.

b.Reassign the COM ports so that the USB to serial converter is using COM 1. See "Reassigning the USB COM ports."

11.Reduce the Receive Buffer and Transmit Buffer to the low setting by scrolling down to select low (1).

12.Be sure that the Use FIFO buffers (requires 16550 compatible UART) checkbox is selected.

Depending on your operating system, the USB settings might be different. Choose the lowest, most dependable Receive and Transmit buffers by using the drop down menus, radio buttons, or other selection methods.

13.Click OK to close the Advanced screen.

14.Click OK to close the Device Manager screen.

15.Run the firmware Flash batch file program. Follow the instructions provided with the program.

Reassigning the USB COM ports

To reassign a device from COM 1 to another port:

1.From the open Device Manager screen, locate the USB device that is assigned to COM 1.

2.Double-click the port name.

The Port Properties screen appears.

3.Click the Port Settings tab.

The Port Settings screen appears.

4.Click Advanced.

The Advanced Settings screen appears.

5.Select an available USB port number from the COM Port Number drop down menu.

6.Click OK to close the Advanced screen.

7.Click OK to close the Port Settings screen.

8.Verify that the Device Manager screen shows that the USB to serial converter is assigned to COM 1, and that the other USB device is assigned to a different port.

If the Device Manager screen does not automatically refresh to show the change:

a.Click Action.

The Action Menu appears.

b.Click Scan for hardware changes to refresh the screen and display the changes.

Maintenance 31

Image 31
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 UPS R1500 G2 overview Component identificationUPS 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 serial communications port Connecting the Network Transient ProtectorsConnecting 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 To remove the UPS Power down all attached load devices Testing the new battery moduleReplacing the UPS Updating the UPS firmware Configuring a USB to serial converterReassigning the USB COM ports Cleaning battery spills LED and audible alarm troubleshooting 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 timeUPS cannot communicate with the host computer Site wiring conditionUPS emits a slight clicking noise UPS output specifications SpecificationsUPS physical specifications UPS input specificationsOutput tolerance specifications Battery specificationsPower protection specifications Voltage specificationsEnvironmental specifications Battery runtimeSerial communications port pin assignment DSR Pin Signal Function Direction from the UPS Number NameHardware options UPS spare parts listSpares Ordering sparesBefore you contact HP Technical supportHP contact information Pre-Failure Battery Warranty Warranty informationLimited warranty $250,000 Computer Load Protection GuaranteeRecommended duration of use Regulatory compliance identification numbers Regulatory compliance noticesFederal Communications Commission notice Cables ModificationsEuropean Union regulatory notice Canadian notice Avis CanadienJapanese notice Bsmi notice Korean notice Battery replacement noticeClass a equipment Class B equipment Power cord statement for Japan Preventing electrostatic discharge Electrostatic dischargeGrounding methods to prevent electrostatic discharge Acronyms and abbreviations Index LEDs, troubleshooting USB connectors