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C
ABLES
Crossover Wiring
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 these switches, 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.
End A
B-4
EIA/TIA 568B RJ-45 Wiring Standard
10/100BASE-TX Crossover Cable
White/Orange Stripe
White/Green Stripe
1
2
3
4
5
6
7
8
Figure B-3 Crossover Wiring
Orange
Blue
White/Blue Stripe
Green
White/Brown Stripe
Brown
1
2
End B
3
4
5
6
7
8
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