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A USB-to-serial adapter or simply USB adapter is a type of protocol converter that is used for converting USB data signals to and from serial communications standards (serial ports). Most commonly the USB data signals are converted to either RS-232 , RS-485 , RS-422 , or TTL-level UART serial data.
The Universal Connector cradles were the first synchronization device that used USB to communicate with the host computer, in addition to the older serial port standard. Some Palm devices manufactured between 2001 and 2004 did not use the Universal Connector. For instance, the Tungsten E had a mini-USB connector.
Where BNC is used, available as 3 connectors with Sync on Green, or 5 connector Red / Green / Blue / Horizontal Sync / Vertical sync. Mac-II/Quadra DA15F: 1152 × 870 @ 75 [8] Macintosh: Mac-DA15F and Sun-13W3 were similar in capability to VGA. Some Sun machines used 4 or 5 BNC connectors to transfer video signal. 1990: 13W3 DB13W3: 1152 × 900 ...
DB9 (yacht), a superyacht built by Palmer Johnson in 2010 DE-9 connector , a common type of D-subminiature electrical connector, widely referred to as "DB-9" even though that is a different sized connector.
8P8C connectors are also used in many devices. The EIA/TIA-561 standard defines a pinout using this connector, while the rollover cable (or Yost standard) is commonly used on Unix computers and network devices, such as equipment from Cisco Systems. [7] Pair of female Mini DIN-8 connectors used for RS-422 serial ports on a Macintosh LC computer
Comprehensive DB-25 wiring diagrams: Tascam, Apple, SCSI, etc. "Pinouts by Connector". Pinouts. A list of common computer connectors, including most D-sub. "9 pin D-SUB female connector diagram and applications". Pinouts. Archived from the original on 2007-09-01 Devices with DE-9 connectors. "D-sub 9 Connector Pinout".
The Atari joystick port used a 9-pin male socket in the host system, and female connectors on the devices. Classic Atari peripherals used a teardrop shaped rounded plug that was easy to grip to make it easier to plug in. Almost all compatible devices used similar physical layouts, often to the point of copying the plug design outright.
The connectors the USB committee specifies support a number of USB's underlying goals, and reflect lessons learned from the many connectors the computer industry has used. The connector mounted on the host or device is called the receptacle , and the connector attached to the cable is called the plug . [ 2 ]