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3Com Switch can not use long cable

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Moko

Moko

MIS
Sep 12, 2002
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Dear All,

I have 3Com Superstack 3 Baseline 10/100 Autosensing and Auto MDI/X. The unmanage switch one.

When I use short UTP cable (about 10 meters), and on the network properties configure the NIC Card (3Com 3C905B) to 100 Mbps or Autosensing. The switch is working good.

But when I use long UTP cable (about 50 meters) and set NIC to 100 Mbps or Autosensing, the LED in switch show I get 100 Mbps, but the network is not working (time out in ping) and when I configure the NIC to 10 Mbps, the network is intermittent.

What's wrong with my switch...?

Regards,

Moko
 
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These are premade cat 5 or better cables? this sounds like a home made cable (spilt pair) issue, just my guess. I tried to remain child-like, all I acheived was childish.
 
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