HP ProCurve J8765A Kurulum Kılavuzu - Sayfa 19

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ProCurve Switch vl Modules

Installing the Modules

Connecting the Network Cables

N o t e

Automatic Cable Sensing on Twisted-Pair Ports:

When the ports for the 10/100-TX and the Gig-T vl Modules are in their default

configuration, Auto, both modules automatically negotiate whether the ports

operate as MDI or MDI-X, depending on the cable type and the connected

device's operation. As a result, you can use either straight-through or

crossover twisted-pair cables for all network connections to these modules.

On the 10/100-TX vl Modules, this feature is identified as HP Auto MDI-X; on

the Gig-T vl Module, it is identified as IEEE Auto MDI/MDI-X and it is part

of the IEEE 802.3ab standard. Both features operate the same.

Operation of this feature depends on the port configurations being kept at

Auto. If the configuration is changed to one of the available fixed options (for

example, 100-Full Duplex), the port operates as an MDI-X port. In that case,

to connect the module to another switch or hub, use a crossover cable; to

connect to an end node, use a straight-through cable.