Ports and Connectors Comptia study guide

Ports and Connectors Comptia study guide - RJ-11 connectors...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Study Guide A+ Managing and Maintaining Your PC Ports and Connectors - 9-pin and 25-pin serial ports are used to connect serial devices to PC. - 25-pin parallel ports are used to connect parallel devices. - Serial devices transfer data 1 bit at a time. - Parralell devices transfer data 8 bits (1 byte ) at a time. --------------------------------------------------------------- - Keyboards can be connected with 6-pin mini-DIN (also called PS/2) or USB connectors. - Mice can be connected by 9-pin serial, PS/2, or USB connectors. - 15-pin, three row D-sub port connects video devices (monitors) - 15-pin, two row D-sub port connects MIDI devices or joysticks.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: - RJ-11 connectors are for modems.- RJ-45 connectors are for NIC's.---------------------------------------------------------------- A single USB port can daisy-chain up to 127 devices and enables you to "hot-swap".- Type A connector goes to the USB port .- Type B connector goes to the USB device .- Normal USB speed = 12 Mbps.- Hi-Speed USB speed = 480 Mbps.- IEEE 1394 can be called FireWire, iLink, or Lynx.- IEEE 1394a speed = 400 Mbps- IEEE 1394b speed = 800 Mbps- IEEE 1394 can connect up to 63 devices on a single port.- SCSI has either 25, 50, or 68 pin ports.---------------------------------------------------------------...
View Full Document

This note was uploaded on 06/18/2011 for the course CS 12 taught by Professor Victoriawilliams during the Spring '11 term at Everest University.

Ask a homework question - tutors are online