Out-Of-Band Management Interface; Fans - 3Com WX5004 AC 4GE COMBO Installation Manual

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5
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Table 1-11 Crossover cable pinouts
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2
3
4
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You can refer to the table above when distinguishing between or preparing these two types of
Ethernet cables.
When preparing Ethernet cables, please follow the chromatogram given in the table to arrange the
wires. Otherwise communication quality will be affected even if the devices at both ends are
connected.

Out-Of-Band Management Interface

The 10/100 Base-TX out-of-band management interface is used during BootWare and applications
upgrade. Refer to chapter 5 "Software Maintenance" on page 5-1.

Fans

The WX5004 is equipped with five fans: three fans for heat dissipation of the main board and two fans
for heat dissipation of the expansion card. If no expansion card is installed, these two fans do not work.
Signal
— Blue
— White (Blue)
RX- Green
— White (Brown)
— Brown
Signal
TX+ White (Orange)
TX- Orange
RX+ White (Green)
— Blue
— White (Blue)
RX- Green
— White (Brown)
— Brown
Category-5
Signal direction
twisted pair
—
—
—
—
Category-5
Signal direction
twisted pair
—
—
—
—
1-9
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