Crossed and Straight cables - when to use them
The following diagram shows the Normal use of Crossed and Straight cables (see also the notes below).
Notes:
We show Straight cables as BLUE and Crossed as RED. That is our convention the cable color can be anything you choose or more likely the vendor decides.
To avoid the need for Crossed cables many vendors provide UPLINK ports on Hubs or Switches - these are specially designed to allow the use of a STRAIGHT cable when connecting back-to-back Hubs or Switches. Read the manufacturers documentation carefully.
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