Summary of Connectors
Computers use a large variety of connectors for various peripherals. The following table offers a summary of the most common connectors and their uses.
| Name | Uses |
|---|---|
| DB-9 | Serial ports-external modem, mouse, printer. |
| DB-25 | Parallel port-printer, scanner, removable drive. |
| RJ-11 | Standard telephone connector-2 wires. |
| RJ-12 | Standard telephone connector-4 wires-used with dual phone connections. |
| RJ-45 | Network connector. |
| PS/2 (mini-DIN) | Mouse, scanners. |
| Centronics | Printers. |
| USB | Universal serial bus-Technology that allows multiple peripherals to be attached to one cable. Popular devices are keyboards, mouse devices, modems, video cameras, and Zip drives. |