Introduction

Ethernet Cross Over Cable

Specifications

• Cisco products use the following three types of RJ-45 cables
  • Straight-through
  • Crossover
  • Rolled

• Cable Identification
  • Examine the sequence of colored wires to determine the type of RJ-45 cable,as follows
  • Crossover - the first (far left) colored wire at one end of the cable is the third colored wire at the other end of the cable.

RJ-45 Crossover (Ethernet) Cable Pinouts
Signal	Pin	Pin	Signal
Tx+	1	3	Rx+
Tx-	2	6	Rx-
Rx+	3	1	Tx+
-	4	4	-
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