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Article #71400

Re: networking on a Pc ????

#71400
From: Roger Hamlett
Date: Tue, 05 Dec 1995 00:00
33 lines
2263 bytes
In article: <818098872snz@kd6rgj.demon.co.uk>  PAUL BULMER <PAUL@kd6rgj.demon.co.uk> writes:
> 
> Please help me i have just got a ne2000 compatable card brand new i can't seem
> to talk to another computer how can i test the card actually works ? Is there
> away of loop back like we have on serial ports and parallel ports.
> I have the box standard driver software supplied with the card.
> 
> I know pc's inside out to componant level but had no hands on with networking.
> 
> Please if you can help i would love to hear from you...
There should be some diagnostic software with the card. Most of these
allow you to do a form of simple test, sometimes with one card, and
sometime a simple machine-machine test.
Are you sure your cableing is OK. Networks don't work with just a cable
from one m/c to the other!. If you are using thin ethernet (BNC), you
need this layout.

50ohm,T-connector,cable,T-connector,50ohm

With the T-connectors plugged into the network cards. Some network cards
have the option of enableing an internal 50ohm terminator, and in these
cases, a straight cable will work, with both terminators enabled.
Basically you have to have a resistive terminator, matching the impedance
of the wire, at each end, and use wire of the correct impedance. This is
the commonest problem, when people first try out a network of this type.

Good Luck

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From: Roger Hamlett <roger@ttelmah.demon.co.uk>
Subject: Re: networking on a Pc ????
Date: 1995/12/05
Message-ID: <216523576wnr@ttelmah.demon.co.uk>
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