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Equip Passive POE Patchpanel Especificações Página 72

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Copper Patch Cords
The copper patch cords are composed of four twisted pair of bare copper wires which conduct the electronic pulses
smoothly. The eight wires of the patch cords are color-coded according to TIA/EIA 568A or TIA/EIA 568B standard. A cable
with T568A at one end and T568B at the other is called a crossover cable, which is catering to connect two computing
devices together directly without using a switch or a hub and also used to connect two hubs or two switches on their
upstream ports.
Pin Pair Wire Color
1 3 tip white/green
2 3 ring green
3 2 tip white/orange
4 1 ring blue
5 1 tip white/blue
6 2 ring orange
7 4 tip white/brown
8 4 ring brown
Pin Pair Wire Color
1 2 tip white/orange
2 2 ring orange
3 3 tip white/green
4 1 ring blue
5 1 tip white/blue
6 3 ring green
7 4 tip white/brown
8 4 ring brown
TIA/EIA-568 T568A termination TIA/EIA-568 T568B termination
1
Pin Position
2
3
4
5
6
7
8
Category and Class
“Category” means something completely different than “Class”. The category applies only on a single component e.g. a
cable or an outlet, the component is veried by the labs of the manufacturer or independent verication labs. The class as
such always applies to the installed link. The installed link is always tested according to classes.
The international standard ISO/IEC 11801 denes several classes of twisted-pair copper interconnects, which differ in the
maximum frequency for which a certain channel performance is required:
Class D: up to 100 MHz using elements category 5e
Class E: up to 250 MHz using elements category 6
Class E
A
: up to 500 MHz using elements category 6
A
Class F: up to 600 MHz using elements category 7
Class F
A
: up to 1000 MHz using elements category 7
A
The comparison of two different routes of cabling is drawn below:
Installation cable Patcheld Patch cable SwitchPC Patch cable Outlet
Channel Link
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