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C
W
ROSSOVER
IRING
Figure 61: Straight Through Wiring
EIA/TIA 568B RJ-45 Wiring Standard
10/100BASE-TX Straight-through Cable
1
End A
2
3
4
5
6
7
8
If the twisted-pair cable is to join two ports and either both ports are
labeled with an "X" (MDI-X) or neither port is labeled with an "X" (MDI), a
crossover must be implemented in the wiring. (When auto-negotiation is
enabled for any RJ-45 port on this switch, you can use either straight-
through or crossover cable to connect to any device type.)
You must connect all four wire pairs as shown in the following diagram to
support Gigabit Ethernet connections.
Figure 62: Crossover Wiring
EIA/TIA 568B RJ-45 Wiring Standard
10/100BASE-TX Crossover Cable
1
End A
2
3
4
5
6
7
8
– 249 –
A
C
PPENDIX
White/Orange Stripe
Orange
White/Green Stripe
Blue
White/Blue Stripe
Green
White/Brown Stripe
Brown
White/Orange Stripe
Orange
White/Green Stripe
Blue
White/Blue Stripe
Green
White/Brown Stripe
Brown
| Cables and Pinouts
Crossover Wiring
1
2
End B
3
4
5
6
7
8
1
2
End B
3
4
5
6
7
8
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