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1988-12-24
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Release notes for NET.EXE 871225.33 (Alpha w9nk.3 + n6tto.1)
============================================================
This version of the NET program contains the w9nk NETROM
enhancements and is based on the 871225.33 ALPHA release
from KA9Q. This is the BBS download version which contains
a minimum set of files which enable a DRSI owner to get up
on TCP/IP. Please contact DRSI for a disk with the .doc files.
N6TTO adapted the package for use with the DRSI PC* PACKET ADAPTOR.
The release disk from DRSI contains the following files:-
RELEASE.DOC - This file
PKXARC.EXE - Archive extract program
NET_PC.ARC - Archive of executable programs
NET_DOC.ARC - Archive of documentation
You should follow the instructions in this file and then read the
documentation files extracted from NET_DOC.ARC. The documentation
files are available on request from DRSI.
INSTALLATION
============
1. Create the following directories on you hard disk using the
mkdir command.
mkdir \spool
mkdir \spool\mqueue
mkdir \spool\mail
mkdir \net
mkdir \net\doc
Directories under \spool are used by Bdales Messy-Dos Mailer; \net and
\net\doc will contain the executable programs and documentation.
2. Copy files from the release disk to the hard disk.
copy a:net_pc.arc \net
copy a:net_doc.arc \net\doc
3. Extract files from the archives using the PKXARC utility on the
release disk.
cd \net
a:pkxarc net_pc
cd doc
a:pkxarc net_doc
4. All the necessary files for using the KA9Q TCP/IP package are now
on your hard disk. Please read the files in the \net\doc directory
to familiarize yourself with the concepts of TCP/IP over Ham radio.
5. As a short cut to getting going; follow these steps.
cd \net
copy autoexec.net \autoexec.net
copy hosts.net \hosts.net
copy ftpusers \ftpusers
copy bm.rc \bm.rc
mkdir \public
These steps copy the configuration files to the root directory and
then establish a public directory for anonymous FTP users (see
USERMAN.DOC).
Edit \autoexec.net and change the lines following the **CHANGE**
flags.
You need to obtain an IP address from your local address coordinator.
If you dont know who the local coordinator is for your area, try
looking on Packet BBS systems in your neighborhood for technical information
on TCP/IP. You should find someone near you in most areas who is familiar
with TCP/IP and will be able to point you to the address coordinator.
You can use the address in the AUTOEXEC.NET file until you are issued
with your permanent address.
INFORMATION FOR DRSI PC* PACKET ADAPTOR USERS
=============================================
The AUTOEXEC.NET file has been configured for user of the DRSI PC*
PACKET ADAPTOR. You may need to use the PARAM command in NET to
change some of the driver characteristics depending on your rig and
environment.
The PARAM command allows you to change the following driver parameters:-
0 - TXDELAY
1 - P-PERSIST VALUE
2 - SLOTTIME
3 - SQUELCHDELAY
All parameters are changed using the param command as follows:-
param dr0a <param> <value>
ie: param dr0a 0 40
changes the TXDELAY to 400 mS.
The paramaters have the following effect:-
TXDELAY
This is the amount of time the driver will wait after keying
the transmitter before starting to send a data frame. Its
default value is 20 (200 mS) which should be adequate for most
modern rigs. You may have to change this value if you have an
older rig with relay transmit/receive switching instead of diode
switching. The delay is to enable the transceiver to switch into
transmit and stabilize before sending the data frame.
P-PERSIST
The P-PERSIST parameter controls the rate at which the NET program
will attempt to transmit data frames on a busy (congested) channel.
Everytime a frame is about to be transmitted, a random number is
used to determine whether of not the program will delay before
attempting to send the frame. If the random number is greater than
the P-PERSIST value, a delay of one SLOTTIME is waited before trying to
transmit on the channel. The default value of the P-PERSIST parameter
is 64 and the random number is picked between 0 and 255. Thus 64 should
cause a wait of one SLOTTIME approximately 1 in 4 transmit attempts.
The correct value for P-PERSIST is approx equal to:-
P-PERSIST = 1
----------
number of stations using channel
SLOTTIME
The amount of time waited for a P-PERSIST enforced delay. Default is
10 (100 mS).
SQUELCHDELAY
The amount of time the driver waits on switching from transmit to
receive before enabling the character receiver on the adaptor. This
allows the receiver to squelch up and so avoid spurious receive interrupts
on noise. The default is 20 (200 mS).