VA measures the amount of electricity in an alternating current (think voltage). These letters stand for Volt-ampere/Watts, which both measure maximum energy for the unit (in different ways).
You will see the acronym VA/W on battery backup products. "harmonic distortion," which may affect audio quality.frequency instability (expressed in Hz).noise, or high-frequency disruption from nearby equipment.However, some UPS devices are also capable of mitigating the effects of: In the event of a total blackout, internet may not be available because the Internet service provider will also lose power.Ī UPS is primarily used during power failure. In the event of a power outage, a battery backup unit will give you the opportunity to keep making calls for a short period of time. VoIP phone systems need electricity and internet to function. A UPS will provide emergency power if external power is lost. How Do Battery Backups Work?Ī battery backup is contained in a power strip, called the UPS. Plus, battery backups also allow you keep the internet (and therefore your phone system) up and running during a power outage. If you want to make VoIP phone calls when the power goes out, you will need a phone system battery backup or generator.īattery backups, also referenced as Uninterruptible Power Supplies (UPS), are a good idea for computers, modems, and home office equipment that has potentially sensitive data.
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