UTP CABLE AND CONNECTIONS

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A straight cable is used to connect a computer to a hub. You can use it to connect 2 hubs in the case one of the hub has an uplink port (and you use normal port on the other hub)

 

 

PIN ID

SIDE A

SIDE B

1

ORANGE-WHITE

ORANGE-WHITE

2

ORANGE

ORANGE

3

GREEN-WHITE

GREEN-WHITE

4

BLUE

BLUE

5

BLUE-WHITE

BLUE-WHITE

6

GREEN

GREEN

7

BROWN-WHITE

BROWN-WHITE

8

BROWN

BROWN

 

A cross cable for 10Base T and 100Base T is used to connect 2 computers directly (with ONLY the UTP cable). It is also used when you connect 2 hubs with a normal port on both hubs. (In other words, the cross cable is used relatively in a rare case).

 

PIN ID

SIDE A

SIDE B

1

ORANGE-WHITE

GREEN-WHITE

2

ORANGE

GREEN

3

GREEN-WHITE

ORANGE-WHITE

4

BLUE

BLUE

5

BLUE-WHITE

BLUE-WHITE

6

GREEN

ORANGE

7

BROWN-WHITE

BROWN-WHITE

8

BROWN

BROWN