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| subject: | maximus using a null-modem cable |
RJT> I've given this a little more thought, and in
RJT> addition to the ground and two signal wires, I think
RJT> that DTR on the remote end could connect to DSR _and_
RJT> CD on the bbs end, with DTR on that end going back to
RJT> DSR on the remote. That's five wires so far.
Here's something i collected from this echo a long time ago:
Ä fi.muffin: FIDONET: Muffin: (Maximus Tips'n'Tricks) ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
Msg#: 7027 high 7096 - 6991
From: Cliff Robinson Aug-11-96 17:25:30
To: Craig Johnstone Aug-12-96 08:23:04
Subj: Null Modem Cables
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
Craig Johnstone wrote in a message to all:
CJ> Can some one please send me a diagram of how to make my own
CJ> Null Modems Cable 25 pin 25 pin. Please dont send me the
CJ> diagram for DOS's INTERLINK.EXE program, as their diagram
CJ> doesn't work!
Actually it does work. But here is what I used (not from the dos help).
Null Modem Cable Pinouts
9 pin 25 pin Signal Descriptions 25 pin 9 pin
------------------------------------------------------------
pin 3 pin 2 Transmit Receive pin 3 pin 2
pin 2 pin 3 Receive Transmit pin 2 pin 3
pin 7 pin 4 RTS CTS pin 5 pin 8
pin 8 pin 5 CTS RTS pin 4 pin 7
pin 6 pin 6 DSR DTR pin 20 pin 4
pin 4 pin 20 DTR DSR pin 6 pin 6
pin 5 pin 7 Ground Ground pin 7 pin 5
Parrallel Cable Pinouts
25-pin Signal Descriptions 25-pin
--------------------------------------------------------------------------
pin 1 Strobe Data Bit 5 pin 7
pin 2 Data Bit 0 Error pin 15
pin 3 Data Bit 1 Select pin 13
pin 4 Data Bit 2 Paper End pin 12
pin 5 Data Bit 3 Acknowledge pin 10
pin 6 Data Bit 4 Busy pin 11
pin 7 Data Bit 5 Strobe pin 1
pin 8 Data Bit 6 Auto Feed pin 14
pin 9 Data Bit 7 Initialize pin 16
pin 10 Acknowledge Data Bit 3 pin 5
pin 11 Busy Data Bit 4 pin 6
pin 12 Paper End Data Bit 2 pin 4
pin 13 Select Data Bit 1 pin 3
pin 14 Auto Feed Data Bit 6 pin 8
pin 15 Error Data Bit 0 pin 2
pin 16 Initialize Data Bit 7 pin 9
pin 17 Select Input Select Input pin 17
pin 25 Ground Ground pin 25
Cliff Robinson
--- timEd 1.01
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
I haven't tried this yet, but i'm going to do it soon. (if a pre-made null
modem cable isn't cheaper than the parts to make it myself ;) )
ttyl, greg
--- Squish/386 v1.11
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* Origin: Nite Raiders BBs (613) 825-1690 (201:935/600)* Origin: * Chaos BBS * 6i3.389.o816 * Kingston, ON! (1:249/174) |
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