Tripp Lite SmartPro INT Rackmount Intelligent Network UPS Systems Owner's Manual page 5

On/Standby Switch
This momentary switch controls power to the UPS receptacles.
Engage it momentarily and release it to toggle between the "ON" mode
(power ON at the UPS receptacles) and "Standby" mode (power OFF at
the UPS receptacles).
Mute/Test Switch
Use this momentary switch to do two things:
Silence the blackout alarm
Engage this switch and release it. Note: when the battery is nearly
depleted, the alarm resumes (and cannot be silenced) to alert you to
immediately shut down connected equipment.
Test your UPS's battery charge
Leave your connected equipment ON. With your UPS plugged in and
completely turned ON, engage this switch; hold it there for 5 seconds
and release it. The UPS will momentarily switch to battery to test its
charge. The "XXX" light will turn ON and the alarm may sound if your
UPS fails a self-test and/or the UPS battery is less than fully charged.
Let the UPS charge for 12 hours and perform a second self-test. If the
light continues to stay on, contact Tripp Lite for service. CAUTION:
Do not unplug your UPS to test its batteries. This will remove safe
electrical grounding and may introduce a damaging surge into your
network connections.
Indicator Lights
All Indicator Light descriptions apply when the UPS is plugged into a wall outlet and
turned ON.
This green light will shine constantly to indicate AC power is available
at the receptacles. It will flash to indicate AC power is not available. (See
"System Enable Switch" and "ON/Standby Switch" descriptions above.)
This multi-colored light displays 7 separate UPS battery charge
conditions. It will turn from red (low) to yellow (medium) to green (full)
to show you the level of battery charge. If the light is constant, then your
UPS is operating from line power and the battery is charging. If the light
is flashing, then your UPS is operating from battery power and the
battery is discharging. When the light flashes red, your battery will
soon be depleted; close any files you are working on and shut down
your computer.
Whenever your UPS is automatically correcting high or low AC line
voltage, this green light will turn ON and the UPS will gently click. The
more the UPS has to correct voltage, the more the green light will turn
ON and the more the UPS will click. These are both normal, automatic
operations of your UPS, and no action is required on your part.
This red light will turn ON if your UPS fails a self-test and/or the UPS
battery is less than fully charged. Let the UPS charge for 12 hours and
perform a second self-test. If the light continues to stay on, contact
Tripp Lite for service.
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