Guide to Cable Interfaces
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Guide to Cable Interfaces
SERIAL | ||
| 9-pin |   | A 9-pin interface can be used for serial communication, when only one bit is transmitted at a time. |
| 25-pin |  | A 25-pin interface can be used for serial communication, in which only one bit is transmitted at a time. |
PARALLEL | ||
| 25-pin |  | A 25-pin interface can be used for parallel communication, where eight bits are transmitted at a time. |
| Centronics 36-pin |   | The Centronics parallel interface is an older and still widely-used standard Input/Output interface for connecting printers and certain other devices to computers. |
ETHERNET | ||
| RJ-45 |  | An eight-wire connector used commonly to connect computers onto a local-area networks (LAN), especially Ethernets. |
USB | ||
| USB Series A |   | A plug-and-play interface for connecting a computer and add-on devices, where 12 bits are transmitted at a time. |
| USB Series B |  | Commonly used at the end of the cable that plugs into the USB peripheral, printer or cash drawer. |
| USB PowerPlus |   | The Powered USB (power plus) cable connector looks like two USB cables stacked on top of each other with about an 1/8 inch gap between the two. The bottom section sends data across and the top section provides power to the device. This connection is usually found on certain IBM, NCR, and Pioneer terminals. |
FIREWIRE | ||
| 4-pin |  | Firewire or IEEE1394 is a high serial bus standard which has a maximum rate of 400Mbps. The 6-pin firewire is the standard. The 4-pin firewire is found on laptops. |
| 6-pin |  | |
KEYBOARD WEDGE | ||
| Keyboard Wedge/PS2 |    | A Y-shaped cable with three different connectors: 2 PS/2 connections and one RJ-45. One PS/2 connection plugs into the keyboard and the other plugs into the back of the computer. The RJ-45 plugs into the device and converts data to represent keystrokes. There are six pins on the PS/2 connections, otherwise known as a PS/2 style miniDIN6 cable. |
| Keyboard Wedge/ AT/XT |  | A Y-shaped cable with three different connectors: 2 AT/XT connections and one RJ-45. One AT/XT connection plugs into the keyboard and the other plugs into the back of the computer. The RJ-45 plugs into the device and converts data to represent keystrokes. There are five pins on the AT/XT connections, otherwise known as an AT/XT style DIN5 cable. |
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This page last updated on 1/18/2024 7:27:20 AM
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