Connectivity Rules; 1000Base-T Cable Requirements - SMC Networks TigerSwitch SMC6128PL2 Installation Manual

24-port fast ethernet switch

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AKING

ETWORK

Connectivity Rules

When adding hubs (repeaters) to your network, please follow the

connectivity rules listed in the manuals for these products. However, note

that because switches break up the path for connected devices into

separate collision domains, you should not include the switch or connected

cabling in your calculations for cascade length involving other devices.

All Category 5 UTP cables that are used for 100BASE-TX connections

should also work for 1000BASE-T, providing that all four wire pairs are

connected. However, it is recommended that for all critical connections, or

any new cable installations, Category 5e (enhanced Category 5) or

Category 6 cable should be used. The Category 5e specification includes

test parameters that are only recommendations for Category 5. Therefore,

the first step in preparing existing Category 5 cabling for running

1000BASE-T is a simple test of the cable installation to be sure that it

complies with the IEEE 802.3ab standards.

4-8

ONNECTIONS

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6128pl2