Serial cables connect different devices to computers or other devices with a similar interface. They are used in many computer peripherals such as printers, scanners, and external storage. They send data one bit at a time through one wire, and receive data at the same rate through another. The ends can be any combination of male and female connectors in 9-pin or 25-pin configurations. Current standards set a maximum cable length of 50 feet.
Insulation: Choose a serial cable with a PVC or plastic insulating cover to protect the wiring. Make sure the cover is thick but lightweight, and does not easily fray or tear.
Cable length: Choose a serial cable that is long enough to provide mobility, but does not cause clutter. Six- to ten-foot cables are usually sufficient for desktop applications.
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