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 Getting Started HP 3000 Series 9X8LX Computer Systems > Chapter 3 Familiarizing Yourself With Your Computer Peripherals

To familiarize yourself with the UPS
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The uninterruptible power system (UPS for short), provides up to 15 minutes of battery backup for your system processor.

UPS Front Panel

Figure 3-5 UPS Front Panel

UPS Front Panel

The switches and indicator lights on the UPS front panel

The following table describes the switches and indicator lights on the front panel of the UPS.

1.AC OutputA green light — indicates that normal power (AC) is being supplied to the receptacles in the back.
2.Battery PowerA yellow light — indicates the unit is supplying power during abnormal power (AC) conditions.
3.Attention

A yellow light — indicates unit needs attention. This indicator light, in conjunction with the audible alarm, can have several meanings:

Light ON:

  • Charger fail: the internal batteries will not charge to capacity.

  • Overload shutdown: Excessive overload causes the unit to shutdown.

  • System fail: the unit has failed its calibration selftest.

    A flashing light indicates an overload condition. With too much equipment connected to the unit, the light will flash once-per-second and sound an audible alarm.

4.Silence Alarm/TestA switch — if the unit is supplying power during abnormal AC conditions, an audible alarm sounds, pressing this switch silences this alarm. The TEST portion of this switch can be used to switch the unit from AC operation to battery operation under controlled conditions.
5.Output On/Output OffA switch — controls the output receptacles in the back of the unit.

Audible alarm

The audible alarm is located inside the unit and is used in conjunction with the Attention light and the Test switch. There are three conditions that activate the audible alarm:

  1. Pushing the Test switch

  2. AC power fail and unit switches to battery power.

  3. Attention light comes on. This could be for an overload condition or a low battery warning indicating two minutes until battery depletion.

The beep sequence for the alarm is based on a half (0.5) second interval timed at 10 seconds per sequence. For example, a one beep alarm sounds for 0.5 seconds and is off for 9.5 seconds, then repeats. A three beep alarm sounds three beeps (of 0.5 seconds on, 0.5 seconds off) then off for 7 seconds, then repeats.

UPS Back View

Figure 3-6 UPS Back View

UPS Back View
1.Input connectorThere is one input receptacle to plug the unit into an appropriate wall outlet for AC power.
2.Output connectorThere are four output receptacles that supply AC power or battery power.
3.UPS PortA 9-pin RS-232 connector for communication to a computer.
4.Safety FuseA time delay 10 amp safety fuse.

Configuring Your UPS

In most cases, your Hewlett-Packard representative will configure your UPS when they install your system. If you should need to reconfigure, for example, if you reinstall your system, refer to Appendix B, Configuring Your UPS.

UPS Console Messages

If you lose power and the UPS is activated, you will see status messages on your console. For a detailed description of these messages, refer to Appendix C, UPS Console Messages.



To familiarize yourself with the DTC 16iX (J2062A)
  		 


Chapter 4 Getting Your System Ready for Use  
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