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  2. Duplex (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Duplex_(telecommunications)

    A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions. Duplex systems are employed in many communications networks, either to allow for simultaneous communication in both directions between two connected parties or to provide a reverse path for the monitoring and remote adjustment ...

  3. List of valves - Wikipedia

    en.wikipedia.org/wiki/List_of_valves

    The inside of an extremely large butterfly valve Duplex ball valve Three check valves in corrosion-resistant Hastelloy Stainless steel gate valve. Valves can be categorized into the following types, based on their operating mechanism: Ball valve, for on–off control without pressure drop. Ideal for quick shut-off, since a 90° turn completely ...

  4. Haynes International - Wikipedia

    en.wikipedia.org/wiki/Haynes_International

    In 1922, the company invented its first alloy under the Hastelloy brand, derived from the words "Haynes Stellite Alloy". [3] In 1927, Charles Lindbergh's aircraft, the Spirit of St. Louis, which included hard-surfaced engine valves manufactured by Haynes, crossed the Atlantic Ocean. [3] In 1970, Cabot Corporation purchased the company. [3]

  5. Duplex (building) - Wikipedia

    en.wikipedia.org/wiki/Duplex_(building)

    A duplex house plan has two living units attached to each other, either next to each other as townhouses, condominiums or one above the other like apartments. By contrast, a building comprising two attached units on two distinct properties is typically considered semi-detached or twin homes but is also called a duplex in parts of the ...

  6. Data link - Wikipedia

    en.wikipedia.org/wiki/Data_link

    A data link is a means of connecting one location to another for the purpose of transmitting and receiving digital information (data communication).It can also refer to a set of electronics assemblies, consisting of a transmitter and a receiver (two pieces of data terminal equipment) and the interconnecting data telecommunication circuit.

  7. NEMA connector - Wikipedia

    en.wikipedia.org/wiki/NEMA_connector

    Tamper-resistant GFCI duplex receptacle type 5-20RA, which can take 5-15 and 5-20 grounding plugs and 1-15 non-grounding plugs. These versions of the 5-15R or 5-20R receptacle are residual-current devices, and have "Test" and "Reset" buttons (and sometimes an indicator light which may be normally on or normally off per the vendor's design). In ...

  8. Universal asynchronous receiver-transmitter - Wikipedia

    en.wikipedia.org/wiki/Universal_asynchronous...

    full duplex (both devices send and receive at the same time) half duplex (devices take turns transmitting and receiving) For UART to work the following settings need to be the same on both the transmitting and receiving side: Voltage level; Baud Rate; Parity bit; Data bits size; Stop bits size; Flow Control

  9. Ethernet physical layer - Wikipedia

    en.wikipedia.org/wiki/Ethernet_physical_layer

    An optical multiplexer is used to split transmit and receive signals into different wavelengths (1530 and 1310 nm) allowing them to share the same fiber. Supports up to 10 km, full-duplex only. [13] 100BASE-LX10: 802.3ah-2004 (58) ST, SC, LC: 100 Mbit/s Ethernet up to 10 km over a pair of single-mode fibers, using 1310 wavelength, full-duplex ...