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  2. Phantom power - Wikipedia

    en.wikipedia.org/wiki/Phantom_Power

    Adapter barrels, and dedicated power supplies, are made to accommodate T-powered microphones. In this scheme, 12 volts is applied through 180 ohm resistors between the microphone's "hot" terminal (XLR pin 2) and the microphone's "cold" terminal (XLR pin 3). This results in a 12-volt potential difference with significant current capability ...

  3. Coaxial power connector - Wikipedia

    en.wikipedia.org/wiki/Coaxial_power_connector

    The outer terminal is usually GND pin and inner is V n+ is a voltage supply pin, where n voltage is 5V, 12V, 24V ... size is 3.5 mm OD ... some Hikvision 48V NVRs ...

  4. DC connector - Wikipedia

    en.wikipedia.org/wiki/DC_connector

    In the broadcast, film, and television industries, the 4-pin XLR connector is the standard for 12 V power. The connectors are wired pin 1 negative, pin 4 positive. Often pins 1 and 2 will be negative, 3 and 4 positive for a higher current rating. Female connectors are used as supply and male connectors are used on loads.

  5. ISO standards for trailer connectors - Wikipedia

    en.wikipedia.org/wiki/ISO_standards_for_trailer...

    The 13-pin version being phased in is newer, provides more services than the 7-pin, a more positive locking and also better protection against moisture and contamination. The connectors are designed for 12V systems. Exceptions for the 7-pin connector may exist where they may be used for 6V and 24V.

  6. XLR connector - Wikipedia

    en.wikipedia.org/wiki/XLR_connector

    XLR3 cable connectors female (left) and male. The XLR connector is a type of electrical connector primarily used in professional audio, video, and stage lighting equipment. XLR connectors are cylindrical, with three to seven connector pins, and are often employed for analog balanced audio interconnections, AES3 digital audio, portable intercom, DMX512 lighting control, and for low-voltage ...

  7. Power supply unit (computer) - Wikipedia

    en.wikipedia.org/wiki/Power_supply_unit_(computer)

    In cases where the motherboard has a 24-pin connector, some power supplies come with two connectors (one with 20-pin and other with 4-pin, i.e. 20+4-pin form) which can be used together to form the 24-pin connector. 12V only power connector (labelled P1, though it is not compatible with the ATX 20 or 24 pin connector): This is a 10 or 16-pin ...

  8. Power supply - Wikipedia

    en.wikipedia.org/wiki/Power_supply

    Power supplies are categorized in various ways, including by functional features. For example, a regulated power supply is one that maintains constant output voltage or current despite variations in load current or input voltage.

  9. EIAJ connector - Wikipedia

    en.wikipedia.org/wiki/EIAJ_connector

    This is a unique-looking barrel connector, apparently intended for providing a DC output jack (most DC jacks are used for power input).. Possibly available in multiple voltage ranges, the one for voltage classification 2 (3.15 to 6.3 V) has an outside diameter of 4.75 mm and a protruding pin of 2.5 mm diameter.

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