Basic Cabling Testing
LAN Cable Construction
7
7-3
Figure 7-2 shows the pin connections and wire colors for correct wiring to TIA
568A and 568B standards.
WG G
Pair 3
WO O WBR BR
Pair 4
BL WBL
Pin 1 Pin 2 Pin 3 Pin 6 Pin 7 Pin 8Pin 4 Pin 5
Pair 1
Pair 2
WO O
Pair 2
WG G
WBR BR
Pair 4
BL WBL
Pin 1 Pin 2 Pin 3 Pin 6 Pin 7 Pin 8Pin 4 Pin 5
Pair 1
Pair 3
568A
568B
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Figure 7-2. EIA/TIA RJ45 Connections
The 568A and 568B wiring standards have the same electrical performance;
however, the two standards should not be mixed in the same network because of
the risk of wiring errors.