Re: [NTLK] Nokia & Newt

From: Dakkar (ceccarel_at_cibs.sns.it)
Date: Thu Sep 13 2001 - 05:07:38 EDT


On 20010913102815, String Powered Productions wrote:
> I have created a modem setup as per your instruction in Modem Modifier, and
> have my 6210 connected by my serial cable, a gender changer, and a DLR-3P
> nokia data cable. I beleive the cabling may be my problem though...
Yes, definitely.
You see, you can have two fundamental kinds of serial cables: direct,
and null-modem. The direct cable connects trasmit line at one end to
trasmit line at the other end, same for receive. A null-modem cable
swaps them: trasmit goes to receive. Now, if you want to connect two
computers via their serial ports, you should connect one's trasmit
line to the other's receive line, and vice versa. You can do this with
ONE null-modem cable, or an odd number thereof. A gender changer is a
direct cable: it doesn't swap. So you are using TWO null-modem cables,
that sum up to a direct cable. What I did to initially connect my
Nokia 7110 to my MP2100 was to put a third null-modem cable between
the two, and it worked. Now I use a d-sub 9 to mini-din 8 direct cable
I made myself. Details can be found at my webpage:
  http://www.thenautilus.net/HW/hardware.en.html
(might be hard to access these days 'cause it's in Italy, and one of
the biggest optical cables between Italy and USA was under one of the
towers... dynamic routing didn't work)

-- 

Dakkar - ceccarel_at_cibs.sns.it <Mobilis in mobile>

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