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Appendix D: Making a Correct UTP Cable
• Use good-quality connectors and tools.
RJ-45 Connectors (sockets and plugs): The BASE-T Standard uses
RJ-45 sockets and plugs. The RJ-45 socket has eight pins. The
pins are numbered 1 to 8. Looking at the socket with insertion
key facing down, Pin Number 1 is to the left.
Figure D-1.
Colors: The first color is the base color on the cable. Second
color is the stripe color of the cable. A straight-through cable has
identical ends.
NOTE: The above color code is the most popular in use.
