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03-Appendix B Crimping an RJ-45 connector | 45.41 KB |
Appendix B Crimping an RJ-45 connector
You must insert the Ethernet cable through the liquid tight adapter before crimping an RJ-45 connector on the end of the cable (typically category 5 or category 5e cable).
Figure 1 RJ-45 connector
The following describes two common types of cables and how to make them.
· Straight-through cable—The colored wires are of the same sequence at the two ends of the cable. A straight-through cable is usually used to connect PC or router to hub or switch.
· Crossover cable—The colored wires are of different sequences at the two ends of the cable. A crossover cable is usually used to connect PC to PC, router to router, or PC to router.
Table 1 Straight-through cable pin-outs
RJ45 pin |
Signal |
Wire |
Signal direction |
RJ45 pin |
1 |
TX+ |
White-orange |
à |
1 |
2 |
TX- |
Orange |
à |
2 |
3 |
RX+ |
White-green |
ß |
3 |
4 |
— |
Blue |
— |
4 |
5 |
— |
White-blue |
— |
5 |
6 |
RX- |
Green |
ß |
6 |
7 |
— |
White-brown |
— |
7 |
8 |
— |
Brown |
— |
8 |
Table 2 Crossover cable pin-outs
RJ45 pin |
Signal |
Wire |
Signal direction |
RJ45 pin |
1 |
TX+ |
White-orange |
à |
3 |
2 |
TX- |
Orange |
à |
6 |
3 |
RX+ |
White-green |
ß |
1 |
4 |
— |
Blue |
— |
4 |
5 |
— |
White-blue |
— |
5 |
6 |
RX- |
Green |
ß |
2 |
7 |
— |
White-brown |
— |
7 |
8 |
— |
Brown |
— |
8 |
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NOTE: · The Ethernet ports of the AP are autosensing and can recognize both types of cables. · When making a cable, follow the exact sequence listed in Table 1 or Table 2. · When the AP is installed outdoors, the cable must be waterproof. If possible, use waterproof tubing to protect the cable. |