In order to ensure the reliable operation of high-speed rail, it is necessary to deploy remote base stations for signal monitoring and control along the railway. UPS provides purified uninterruptible power supply for electronic equipment in the base station.. The purpose of this section is to provide guidelines for the installation of uninterruptible power supply/battery backup (UPS/BBU) systems at signalized intersections. An uninterruptible power supply/battery backup (UPS/BBU) system provides emergency power to connected equipment by supplying power. . Designed for critical base stations and repeater sites that must remain “on-line”, even in the event of AC power failure or brown-out which would disable conventional power supplies. The Power-Pac offers peace of mind for the system designer or base station operator This unique power supply assures. . The UPS-914 is high-performance Uninterruptible Power Supplies designed for use with WAVES® Integrated Base Station (IBS), providing back-up power in the event of a loss of the normal utility power source. The UPS-914 is used for 120V systems, will automatically supply DC power to the base. . Power Supplies for Two-Way Radio Base Station installations. In Stock, Ready to Ship! . These systems ensure a stable and uninterrupted power supply, which is critical for the operation of telecommunication networks. Without them, communication services would falter during power outages or fluctuations. Therefore, the reliability of UPS is.