Network cable length

  agarm11 18:57 07 Oct 2004

I asked recently about the max length of cat 5 cable, which it turns out is at least 100m. I have set up a network with a PC connected to my router by a 60m (approx) cat 5e cable. No lights on the nic show and the connection is listed as diconnected. I have tested the cable with a cable tester and it is fine. I then connected the PC to the router with a 5m cable (after I'd moved it ;-) ) and the PC works fine, lights on nic and it can see the other PCs on the network.
Whilst checking settings on the router and refreshing the client list, an extra IP address was shown, but the host name was (null), after refreshing that IP would disappear.
My question really hangs on whether the nic/router has enough umpf to communicate over 60m, and are nics with a bit more available?

  Noelg23 18:59 07 Oct 2004

what type of NIC is it? not sure if it matters but 10BaseT and all those sort of things...but I am sure someone else will know...

  agarm11 19:02 07 Oct 2004

Its a 10/100 run of the mill card, shown as a realtek RTL8139/810x, if that helps.

  JonnyTub 19:04 07 Oct 2004
  Noelg23 19:06 07 Oct 2004

well thats should be I said I wouldnt really know but I dont think length has anything to do with it...but if you not getting anything from 60m and you are at 5m...I would do a little test by finding out where you lose the signal between 5m and 60m...

  Noelg23 19:06 07 Oct 2004

of course you just do what JonnyTub has just given you...

  JonnyTub 19:08 07 Oct 2004

It's also worth checking where you cable runs, i.e. next to anything that could cause interferance with the signal, very easy to with unshielded cables!

  agarm11 19:10 07 Oct 2004

The only problem with that is making up a shorter cable and cutting it down as I go, and if I found out that its ok at 40m, I'm still kind of stuck, as the cable runs outdoors and putting in a booster halfway is not possible.

  Noelg23 19:10 07 Oct 2004

true true JonnyTub :)

  JonnyTub 19:13 07 Oct 2004

I think your problem is basically down to signal loss, a soltion would be to use (slighlty) more expensive fibre cable.

  JonnyTub 19:13 07 Oct 2004

Noelg23, Your a busy fella on these forums lately :-)

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