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Basic Operation continued
Indicator Lights
All Indicator Light descriptions apply when the UPS is plugged into an AC outlet and turned on.
LINE POWER: This green light will turn ON whenever your UPS is receiving normal AC line power. It will flash while the UPS is in CHARGE ONLY mode to indicate that the UPS will not provide battery backup during a blackout or brownout.
BATTERY POWER: This yellow light will turn ON when your UPS is providing your equipment with battery power.
BATTERY CHARGE: This red light will turn ON continuously after the UPS runs a
OVERLOAD: This red light will turn ON continuously when the UPS is providing power from battery or after the UPS runs a
VOLTAGE REGULATION (Select models only): This light will turn ON when your UPS is automatically correcting high or low utility line voltage. The UPS will also click gently when this automatic voltage regulation is operating. These are both normal functions of your UPS, and no action is required on your part.
Other UPS Features
AC Receptacles
“UPS/Surge” receptacles are used to provide your connected equipment with AC line power during normal operation and battery power during blackouts and brownouts. They also protect your equipment against damaging surges and line noise.
Select models
Telephone/Network Protection Jacks (Select models only)
These jacks protect your equipment against surges over a telephone or data line. Your UPS has either RJ45 jacks, which can be used with both phone and data lines, or RJ11 jacks, which can be used with phone lines only. See Specifications to determine what kind of jacks your UPS has. Connecting your equipment to these jacks is optional. Your UPS will work properly without this connection.
USB Port
The USB port connects your UPS to any USB workstation or server. Using this port, your UPS can communicate
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