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The Smart-UPS is a series of enterprise-level uninterruptible power supplies (UPS) made by American Power Conversion (APC). [1] Most of the units have a SmartSlot (with the exception of SC and SMC series) which accepts an optional interface card providing features ranging from network connectivity to temperature and humidity monitoring. [2]
APC Smart-UPS is a line of smaller units intended for home and office use, available as floor-standing and rackmount versions. With the exception of the Smart-UPS Online series (SURT and SRT models), Smart-UPS units are line-interactive UPS systems, running their outputs off the inverters only when the grid power is unavailable.
A UPS designed for powering DC equipment is very similar to an online UPS, except that it does not need an output inverter. Also, if the UPS's battery voltage is matched with the voltage the device needs, the device's power supply will not be needed either. Since one or more power conversion steps are eliminated, this increases efficiency and ...
In 1904, a plan was put forward to move a 9.2-inch Mk 1 coastal defence gun from Inchkeith in Scotland to Harding's Battery, but it was never implemented. The large RML was eventually removed and from the start of World War II this battery was the location of a Bofors 40 mm anti-aircraft gun. [5]
The IBM 1400 series are second-generation mid-range business decimal computers that IBM marketed in the early 1960s. The computers were offered to replace tabulating machines like the IBM 407 . The 1400-series machines stored information in magnetic cores as variable-length character strings separated on the left by a special bit, called a ...
NEC APC is an 8-bit character set developed by NEC for the NEC APC, a CP/M-86 and MS-DOS-compatible personal computer in 1983. [ 1 ] [ 2 ] These were a contemporary competitor for the IBM PC , although eclipsed by fully PC-compatible computers.