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  2. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    A tower type UPS with one IEC 60320 C14 input and three C13 outlets. A large data-center-scale UPS being installed by electricians. An uninterruptible power supply ( UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails.

  3. Power distribution unit - Wikipedia

    en.wikipedia.org/wiki/Power_distribution_unit

    A power distribution unit ( PDU) is a device fitted with multiple outputs designed to distribute electric power, especially to racks of computers and networking equipment located within a data center. [1] Data centers face challenges in power protection and management solutions. This is why many data centers rely on PDU monitoring to improve ...

  4. APC Smart-UPS - Wikipedia

    en.wikipedia.org/wiki/APC_Smart-UPS

    APC Smart-UPS. 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 ...

  5. Wireless access point - Wikipedia

    en.wikipedia.org/wiki/Wireless_access_point

    Wireless access point. [1] [2] In computer networking, a wireless access point, or more generally just access point ( AP ), is a networking hardware device that allows other Wi-Fi devices to connect to a wired network or wireless network. As a standalone device, the AP may have a wired connection to a switch or router, but, in a wireless router ...

  6. Access Point Name - Wikipedia

    en.wikipedia.org/wiki/Access_Point_Name

    Access Point Name. An Access Point Name ( APN) is the name of a gateway [1] between a mobile network ( GSM, GPRS, 3G, 4G and 5G) and another computer network, frequently the public Internet. [2] A mobile device making a data connection must be configured with an APN to present to the carrier. The carrier will then examine this identifier to ...

  7. United Parcel Service - Wikipedia

    en.wikipedia.org/wiki/United_Parcel_Service

    United Parcel Service, Inc. ( UPS) is an American multinational shipping & receiving and supply chain management company founded in 1907. [1] Originally known as the American Messenger Company specializing in telegraphs, UPS has expanded to become a Fortune 500 company [6] and one of the world's largest shipping couriers.

  8. Commercial mail receiving agency - Wikipedia

    en.wikipedia.org/wiki/Commercial_mail_receiving...

    Commercial mail receiving agency. Within the United States, a commercial mail receiving agency ( CMRA) is a private business that accepts mail from the Postal Service on behalf of third parties. [1] A CMRA may also be known as a mail drop. A mailbox at a CMRA is called a private mailbox (PMB). [1]

  9. United States Postal Inspection Service - Wikipedia

    en.wikipedia.org/wiki/United_States_Postal...

    The United States Postal Inspection Service ( USPIS ), or the Postal Inspectors, is the federal law enforcement arm of the United States Postal Service. It supports and protects the U.S. Postal Service, its employees, infrastructure, and customers by enforcing the laws that defend the United States' mail system from illegal or dangerous use.