200607096 93-2574 SMART550USB OM.qxd 8/14/2006 11:31 AM Page 6

Basic Operation continued

Other UPS Features

AC Receptacles: “UPS/Surge” receptacles are used to provide connected equipment with AC line power during normal operation and battery power during blackouts and brownouts. They also protect equipment against damaging surges and line noise. “Surge-Only” receptacles are used to provide peripherals with surge protection without committing precious battery power to support them during blackouts.

Telephone/DSL/Ethernet Protection Jacks: These jacks protect equipment against surges over a telephone or data line. Connecting equipment to these jacks is optional. The UPS will work properly without this connection.

USB Communication Port: This port can connect the UPS to any computer for automatic file saves and unattended shutdown in the event of a power failure. Use with Tripp Lite's PowerAlert Software and USB cable. A USB cable is included with the UPS. PowerAlert Software is available FREE via the Web at www.tripplite.com/software/. NOTE: This connection is optional. The UPS will work properly without this connection.

Battery Replacement Door: Under normal conditions, the original battery in the UPS will last several years. Battery replacement should be performed only by qualified service personnel. Refer to “Battery Warnings” in the Safety section. Should the UPS require battery replacement, visit Tripp Lite on the Web at www.tripplite.com/support/ battery/index.cfm to locate the specific replacement battery for the UPS.

Power Sensitivity Adjustment: This dial is normally set fully counterclockwise, which enables the UPS to protect against waveform distortions in its AC input. When such distortions occur, the UPS will normally switch to providing PWM sinewave power from its battery reserves for as long as the distortions are present. In some areas with poor utility power or where the UPS’s input power comes from a backup generator, frequent brownouts and/or chronic waveform distortion could cause the UPS to switch to battery too often, draining its battery reserves. It may be possible to reduce how often the UPS switches to battery due to waveform distortion or brownouts by experimenting with different settings for this dial. As the dial is turned clockwise, the UPS becomes more tolerant of variations in its input power’s AC waveform and switches to battery less often. NOTE: The further the dial is adjusted clockwise, the greater the degree of waveform distortion the UPS will allow to pass to connected equipment. When experimenting with different settings for this dial, operate connected equipment in a safe test mode so that the effect on the equipment of any waveform distortions in the UPS’s output can be evaluated without disrupting critical operations. The experiment should last long enough to assure that all expected line conditions are encountered.

Automatic Voltage Regulation: During brownouts, the UPS will automatically correct low AC line voltage. When automatic voltage regulation is operating, the UPS may click gently. This is a normal, automatic operation of the UPS, and no action is required.

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Tripp Lite SMART550USB owner manual Other UPS Features
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SMART550USB specifications

The Tripp Lite SMART550USB is an essential uninterruptible power supply (UPS) that offers reliable battery backup and surge protection for sensitive electronic devices. With a power capacity of 550VA/300W, this UPS model is designed to keep equipment such as computers, networking devices, and home entertainment systems operational during power outages and fluctuations. The SMART550USB strikes a perfect balance between performance and affordability, making it an attractive choice for both home and small office environments.

One of the standout features of the SMART550USB is its sine wave output, which provides clean and stable power to connected devices. Unlike modified sine wave UPS systems, true sine wave output helps protect sensitive electronics from potential damage caused by electrical disturbances. This feature is particularly important for devices like desktop computers, printers, and audio/video equipment that require a steady, high-quality power supply to function properly.

The SMART550USB is also equipped with multiple outlets, allowing it to accommodate various devices simultaneously. The unit features a total of eight NEMA 5-15R outlets, with four outlets providing battery backup and surge protection, while the other four offer surge protection only. This configuration enables users to connect critical devices to the battery backup while protecting non-essential equipment from power surges.

Another notable characteristic of the SMART550USB is its user-friendly interface, which includes an LCD display that provides real-time information on battery status, load capacity, and estimated runtime. This allows users to monitor the UPS's performance at a glance, making it easy to manage power needs effectively.

For added convenience, the SMART550USB comes with USB and serial communication ports, enabling automatic shutdown and monitoring through compatible software. Users can connect the UPS to a computer to receive alerts regarding power conditions and manage settings through Tripp Lite's PowerAlert software.

The SMART550USB also features advanced technologies for battery management and protection. Its built-in automatic voltage regulation (AVR) helps maintain consistent voltage levels, reducing wear and extending battery life. Additionally, the unit includes an array of safety features, such as overload protection, short-circuit protection, and battery fault tolerance, ensuring that both the UPS and connected devices remain safe during operation.

In summary, the Tripp Lite SMART550USB is a versatile and dependable UPS solution, perfect for safeguarding critical electronic devices from power interruptions and surges. With its sine wave output, multiple outlets, user-friendly display, and advanced battery management, this UPS is an excellent choice for anyone looking to enhance power reliability in their home or office.
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