Ethernet Cable - 3Com Router 3016 Installation Manual

58 C A: O
HAPTER PTIONAL

Ethernet Cable

C S
ABLE PECIFICATIONS
The Ethernet cable uses an RJ-45 connector and category 5 twisted pair cable.
Table 3 describes straight-through network cable pinouts.
Table 3 Straight-through Network Cable Pinouts
RJ-45 Signal
1
2
3
4
5
6
7
8
Table 4 describes crossover network cable pinouts.
Table 4 Crossover Network Cable Pinouts
RJ-45 Signal
1
2
3
4
5
6
7
8
You can use Table 4 as a reference while distinguishing or preparing the two kinds
of Ethernet cables. While preparing the Ethernet cables, follow the chromatogram
given in this table to arrange the wires. Otherwise, communication quality will be
affected even though the equipment at two ends is connected.
Category 5
twisted pair
TX+ White (Orange)
TX- Orange
RX+ White (Green)
- Blue
- White (Blue)
RX- Green
- White (Brown)
- Brown
Category 5
Twisted Pair
TX+ White (Orange)
TX- Orange
RX+ White (Green)
- Blue
- White (Blue)
RX- Green
- White (Brown)
- Brown
Signal Direction RJ-45
—> 1
—> 2
<— 3
- 4
- 5
<— 6
- 7
- 8
Signal Direction RJ-45
—> 3
—> 6
<— 1
- 4
- 5
<— 2
- 7
- 8