AUDIOLINE WAVE 10X Informações Técnicas descarregar pdf (Página 39)

Ethernet Cable Specifications

The Ethernet controller on the system board provides

10BASE-T and 100BASE-TX support through the RJ-45

connector on the back of your server. When you connect

the server to the network, the Ethernet controller

automatically detects the data-transfer rate (10 Mbps or

100 Mbps) on the network and then sets the controller to

operate at the appropriate rate.

The Ethernet controller supports the auto-detection mode

only. When you install the device drivers and configure

the Ethernet controller for use with the operating system,

do not select the 10BASE-T mode. To ensure proper

operation of the controller, always select the default

parameters provided.

The following information describes the specifications for

the unshielded twisted-pair (UTP) cable that can be used

to connect the server to an IEEE Standard 802.3 network.

To connect the server 10BASE-T or 100BASE-TX port to a

10BASE-T or 100BASE-TX port on a repeater, use a UTP

cable with RJ-45 connectors at both ends. An EIA/TIA-568

Category 5 cable must be used for 10BASE-T and

100BASE-TX.

Attention

The 10BASE-T Ethernet and the 100BASE-TX Fast

Ethernet cabling in the network must be Category 5 or

higher to meet various standards, including

electromagnetic compatibility.

The cables used in 10BASE-T or 100BASE-TX link

segments do not require grounding. However, all devices

connected to the cables must be grounded.

Connect the appropriate type of UTP cable to the repeater.

 If the port on the repeater is a crossover port (also

called an MDI-X port), use a UTP cable that is wired

as a straight-through cable.

 If the port on the repeater is not a crossover port

(also known as an MDI port), use a UTP cable that is

wired as a crossover cable.

Do not use telephone extension cables to connect the

server to a repeater. The wire pairs in those cables are

not twisted, and the cables do not meet other requirements

for use in a 10BASE-T or 100BASE-TX network. You can

identify telephone extension cables by their flat and thin

appearance. UTP cables are rounder and thicker than

telephone extension cables.

Table 1 on page 32 describes the specifications for UTP

cables used in 10BASE-T and 100BASE-TX link segments.

IBM Netfinity 3500 - Type 8644

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