3Com DUA1698 User Manual
Also see for 3300 XM: User guide
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Contents
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Configuration Rules with Full Duplex 21The key topology rules are: Maximum UTP cable length is 100m (328ft) over Category 5 cable. A 412m (1352ft) fiber run is allowed for connecting switch-to-switch,or endstation-to-switch, using half-duplex 100BASE-FX. A total network span of 325m (1066ft) is allowed in single-repeatertopologies (one hub stack per wiring closet with a fiber run to thecollapsed backbone). For example, a 225m (738ft) fiber link from arepeater to a router or switch, plus a 100m (328ft) UTP link from arepeater out to the endstations.Configuration Ruleswith Full DuplexThe Switch provides full duplex support for all its ports. Full duplex allowspackets to be transmitted and received simultaneously and, in effect,doubles the potential throughput of a link.With full duplex, the Ethernet topology rules are the same, but the FastEthernet rules are: Maximum UTP cable length is 100m (328ft) over Category 5 cable. A 2km (6562ft) fiber link is allowed for connecting switch-to-switch,or endstation-to-switch. |
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