Straight cable and Cross cable
Published by Brandon under on 7:07 PM
The below diagram shows the two different types of Cat 5 network cable, 'straight-thru' and 'crossover'
Straight-thru cables are used between a Hub and a computer, and crossover cables are used directly between two PC's, when no Hub is being used.
100baseT Straight Cable (PC to HUB/SWITCH)
The below diagram shows the correct way to wire a straight through network cable
The following diagrams show the correct way to wire up Cat 5 network cables
The below diagram shows what the finished cable end should look like:
Straight cables are used to connect PCs or other equipment to a HUB or Switch. If your connection is Pc to PC or HUB to HUB you MUST use a Crossed cable.
The following cable description is for the wiring of BOTH ends (RJ45 Male connectors) with the 568A category 5 wiring colors.
Pin No. strand color Name
1 white and green TX_D1+
2 green TX_D1-
3 white and orange RX_D2+
4 blue BI_D3+
5 white and blue BI_D3-
6 orange RX_D2-
7 white and brown BI_D4+
8 brown BI_D4-
100baseT Crossed cable (PC to PC or HUB to HUB)
Crossed cables are used to connect PCs to one other PC or to connect a HUB to a HUB. If your connection is PC to HUB you MUST use a Straight cable.
The following description shows the wiring at both ends (male RJ45 connectors) of the crossed cable.
Straight-thru cables are used between a Hub and a computer, and crossover cables are used directly between two PC's, when no Hub is being used.
100baseT Straight Cable (PC to HUB/SWITCH)
The below diagram shows the correct way to wire a straight through network cable
The following diagrams show the correct way to wire up Cat 5 network cables
The below diagram shows what the finished cable end should look like:
Straight cables are used to connect PCs or other equipment to a HUB or Switch. If your connection is Pc to PC or HUB to HUB you MUST use a Crossed cable.
The following cable description is for the wiring of BOTH ends (RJ45 Male connectors) with the 568A category 5 wiring colors.
Pin No. strand color Name
1 white and green TX_D1+
2 green TX_D1-
3 white and orange RX_D2+
4 blue BI_D3+
5 white and blue BI_D3-
6 orange RX_D2-
7 white and brown BI_D4+
8 brown BI_D4-
100baseT Crossed cable (PC to PC or HUB to HUB)
Crossed cables are used to connect PCs to one other PC or to connect a HUB to a HUB. If your connection is PC to HUB you MUST use a Straight cable.
The following description shows the wiring at both ends (male RJ45 connectors) of the crossed cable.
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