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1×6 pin header (one row) 1×6 female header (one row) A pin header (or simply, header) is a form of electrical connector. A male pin header consists of one or more rows of metal pins molded into a plastic base, often 2.54 mm (0.1 in) apart, though available in many spacings. [1] Male pin headers are cost-effective due to their simplicity.
Pin 1 is typically indicated on the body of the connector by a red or raised "V" mark. The corresponding wire in a ribbon cable is usually indicated by red coloration, a raised molded ridge, or markings printed onto the cable insulation. On the connector pin 2 is opposite pin 1, pin 3 is next to pin 1 along the length of the connector, and so on.
For Wide SCSI-2, the most common connector was the larger 68-pin sibling of the HD50, known as the HD68, MiniD68, HPDB68, and sometimes as "SCSI-3". This is about 1 7/8” (47mm) wide. [ 3 ] IBM used the HDCN68 on some RS-6000 systems, and it seems likely that a few other manufacturers used other alternatives.
Calling that shield a shell (or D-shell) can be ambiguous, as the term shell is also short for the cable shell, or backshell. D-sub connectors have gender: parts with pin contacts are called male connectors or plugs, while those with socket contacts are called female connectors or sockets. The socket's shield fits tightly inside the plug's shield.
In both cases, a 40-pin female connector is used. ATA's cables have had 40 conductors for most of its history (44 conductors for the smaller form-factor version used for 2.5" drives—the extra four for power), but an 80-conductor version appeared with the introduction of the UDMA/66 mode.
[6]: 56 (e.g. pin headers, screw terminals, board-to-board connectors) Splice or butt connectors (primarily insulation displacement connectors ) that permanently join two lengths of wire or cable In computing, electrical connectors are considered a physical interface and constitute part of the physical layer in the OSI model of networking.
Especially valuable is the method of referencing and annotating cables plus their connectors within and outside assemblies. Examples: 1A1A44J5 - Unit 1, Assembly 1, Sub-Assembly 44, Jack 5 (J5 is a connector on a box referenced as A44)
Banana jack connector: male–female pair 2 mm. Various miniature versions of the banana connector have been introduced. One type is 2.6 mm in diameter and about one third the length of the standard connector, and is commonly used in model railway applications. These are substantially more fragile than the larger connectors.
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