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  2. Bypass switch - Wikipedia

    en.wikipedia.org/wiki/Bypass_switch

    A bypass switch (or bypass TAP) is a hardware device that provides a fail-safe access port for an in-line active security appliance such as an intrusion prevention system (IPS), next generation firewall (NGFW), etc. Active, in-line security appliances are single points of failure in live computer networks because if the appliance loses power, experiences a software failure, or is taken off ...

  3. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    A hybrid (double conversion on demand) UPS operates as an off-line/standby UPS when power conditions are within a certain preset window. This allows the UPS to achieve very high efficiency ratings. When the power conditions fluctuate outside of the predefined windows, the UPS switches to online/double-conversion operation. [8]

  4. Network UPS Tools - Wikipedia

    en.wikipedia.org/wiki/Network_UPS_Tools

    To reflect multi-vendor driver support, and to prevent potential quarrels with APC, the project name was changed to Network UPS Tools starting from 0.42.0, released October 31, 1999. Arnaud Quette led the project since 2005, increasing its visibility to prospective contributors by creating a project on the Debian Alioth Forge , making it less ...

  5. File:Line-Interactive UPS Diagram SVG.svg - Wikipedia

    en.wikipedia.org/wiki/File:Line-Interactive_UPS...

    Download QR code; In other projects ... Simplified Line-Interactive UPS Diagram. Date: 1 September 2014, 13:56:26 ... Add a one-line explanation of what this file ...

  6. APC Smart-UPS - Wikipedia

    en.wikipedia.org/wiki/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 monitoring. [ 2 ]

  7. HP Universal Print Driver - Wikipedia

    en.wikipedia.org/wiki/HP_Universal_Print_Driver

    HP UPD installer allows some driver default settings to be modified via command line options. Some of these switches will change the system-wide behavior of the HP UPD, while other changes are specific to a single print queue. HP MPA Utility. The HP MPA utility pre-configures some driver default settings in a managed HP UPD environment.

  8. Output signal switching device - Wikipedia

    en.wikipedia.org/wiki/Output_Signal_Switching_Device

    Active signal is issued when both lines present 0 V; a single line presenting 0 V for a duration longer than the test pulses is sufficient to signal an event. Some related terms: Electrosensitive protective equipment (ESPE) - a device such as a light curtain, safety scanner, or gate position sensor. The ESPE has OSSD outputs.

  9. Line code - Wikipedia

    en.wikipedia.org/wiki/Line_code

    the line-coded signal can be used to turn on and off a light source in free-space optical communication, most commonly used in an infrared remote control. the line-coded signal can be printed on paper to create a bar code. the line-coded signal can be converted to magnetized spots on a hard drive or tape drive.