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T
WISTED
-PAIR
CABLE
AND
PIN
ASSIGNMENTS
B-3Straight-Through WiringIf the twisted-pair cable is to join two ports and only one of the ports has
an internal crossover (MDI-X), the two pairs of wires must be
straight-through. (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 connecting all four wire pairs as shown in the following diagram
to support Gigabit Ethernet c onnections.
Figure B-2 Straight-throug h Wiring
White/OrangeStripe
Orange
White/GreenStripe
Green
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
EIA
/
TIA568B RJ-45 Wiring
S
tandard
10/100BASE-TX Straight-throughCable
EndAEnd B
Blue
White/BlueStripe
Brown
White/BrownStripe