H3C WA4320X, Installation Manual, Page: 39 / 40

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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
Æ
1
2 TX- Orange
Æ
2
3 RX+ White-green
Å
3
4 — Blue — 4
5 — White-blue — 5
6 RX- Green
Å
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
Æ
3
2 TX- Orange
Æ
6
3 RX+ White-green
Å
1
4 — Blue — 4