Here is a list of parts and connections that you might encounter.

DSL Filters

The smaller single port filters are for your phones, fax machine, answering machine, etc.

The larger two-port filter is for your DSL modem and phone.

Ethernet CAT5e cables

Look similar to phone cables but are larger, with 8 pins instead of 2 or 4.

It is used to connected desktop computers, notebook computers, printers, network switches and hubs and itnernet routers and modems.

CAT5, CAT5e and CAT6 are all Ethernet network cables and signify different quality and performance.



USB Cable

Universal Serial Bus cables are used to connect many different devices (printers, scanners, cable modems, etc) to your PC. The flat wide end is standard and plugs into your computer. The smaller square end plugs into the device. Some devices such as MP3 players and cameras may use a smaller square end.

Parallel Printer Cable

The older Parallel Printer Cable has been replaced with the smaller and faster USB cable to connect a printer to your computer.

APC Battery Backup cable

This is the cable that goes between an APC Battery Backup and your computer. It's a special cable made by APC and looks like a USB cable on one end and Ethernet CAT5e network cable on the other. It is optional and is used by the Battery Backup unit to talk to your computer.

RF Cable

The old fashioned Cable-TV cable is still used to bring television broadcasts as well as internet connection to your home.

RCA Audio/Visual Cable

The old fashioned RCA Audio-Visual cable is still used today on many older TVs and video equipment. The yellow jack carries the video signal, while the red and white carry the stereo audio signal.

VGA cable

The Video Graphics Adapter cable connects your PC to an analog monitor or LCD screen.

This cable carries a video signal.

Connection has 15 pins and is always blue.

DVI cable

The newer Digital Video Interface cable is replaing the VGA cable (above) and is used with digital LCD monitors.

This cable carries a video signal.

This is the newer style video cable and it's connections are always white.


This High Definition Media Interface cable is the latest and highest quality cable designed for HD definition tevelvisions, DVD players and other home entertainment equipment.

It carries both a High Definition video signal as well as audio.



These cards are designed to insert into laptop computers and are defined and promoted by the Personal Computer Memory Card International Association.

PCI Cards

These Peripheral Component Interface cards are designed to insert into computers. They were introduced in 1993 and were upgraded to PCI-X in 2004, which is the same physical size and backwards compatible.

The PCI / PCI-X slots in computers/servers are usually white.

PCI Express Cards

These newer Peripheral Component Interconnect Express cards are designed to insert into computers and are often abbreviated as: PCIe or PCI-E They were introduced in 2004 and faster than the original PCI cards.

They come in different sizes (lengths) and are referred to PCI-E X1 or PCI-E X4 or PCI-E X8 or PCI-E X16.

PCI-Express / PCIe / PCI-E cards are smaller than the PCI / PCI-X cards and the gold connectors are closer together.

PCI-Express slots on computers/Servers are usually black.

See this chart for more info.


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