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The first types of small modular telephone connectors were created by AT&T in the mid-1960s for the plug-in handset and line cords of the Trimline telephone. [1] Driven by demand for multiple sets in residences with various lengths of cords, the Bell System introduced customer-connectable part kits and telephones, sold through PhoneCenter stores in the early 1970s. [2]
JST manufactures numerous series (families) and pitches (pin-to-pin distance) of connectors. [ 2 ] [ 3 ] JST connectors are used in many types of products, and commonly used by electronics hobbyists and consumer products for rechargeable battery packs, battery balancers , battery eliminator circuits , 3D printers , and radio controlled servos .
The 5th plastic pin of the inserted plug disconnects a 1μF capacitor that otherwise closes the circuit of the telephone line when the plug is not inserted. This feature allows testing the line when the phone is not plugged in. [ 7 ] The usage of a capacitor is mostly obsolete and GTN-4 sockets produced later reuse the capacitor compartment for ...
PS/2 female socket pin numbering: note that it is a mirror of the male connector. The mini-DIN connectors are a family of multi-pin electrical connectors used in a variety of applications. Mini-DIN 9.5 millimetres (3 ⁄ 8 in) is similar to the larger, older 13.2 mm diameter DIN connector.
Perhaps the most comprehensive known and most discussed feature of ANSI/TIA-568 is the definition of the pin-to-pair assignments, or pinout, between the pins in a connector (a plug or a socket) and the wires in a cable. Pinouts are critical because cables do not function if the pinouts at their two ends aren't correctly matched.
Single-link DVI-D male plug. Dual-link DVI-D male plug. Digital Visual Interface (DVI). Five variants are: DVI-I single link, DVI-I dual link, DVI-D single link, DVI-D dual link, and DVI-A. Male Mini-DVI plug on top of a 12-inch PowerBook G4; female port is second from left. Mini-DVI: VGA, DVI, television. Apple Computer alternative to Mini-VGA.
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AVR logo Various older AVR microcontrollers: ATmega8 in 28-pin narrow dual in-line package (DIP-28N), ATxmega128A1 in 100-pin thin quad flat pack (TQFP-100) package, ATtiny45 in 8-pin small outline (SO-8) package. ATmega328P in 28-pin narrow dual in-line package (DIP-28N). It is commonly found on Arduino boards.