[comp.unix.xenix] Using the DigiComm multi-port board with SCO Xenix

davek@lakesys.UUCP (Dave Kraft) (08/15/89)

Hi,
At my place of employment, we are looking into buying an 8 port board,
and one that we are looking at is called DigiComm.  Anyone know if this can
be used with SCO Xenix 386 2.3.2??  Any info would be appriciated.

Thanks in advance.

Dave

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davek@lakesys.UUCP (Dave Kraft) (08/15/89)

After posting my previous article, I noticed that I used the wrong name.  Where
I have DigiComm in my previous message, please substitute Digiboard.  Thanks

Dave

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jbayer@ispi.UUCP (Jonathan Bayer) (08/15/89)

davek@lakesys.UUCP (Dave Kraft) writes:

>Hi,
>At my place of employment, we are looking into buying an 8 port board,
>and one that we are looking at is called DigiComm.  Anyone know if this can
>be used with SCO Xenix 386 2.3.2??  Any info would be appriciated.

>Thanks in advance.



Yes.  Digiboard makes several different boards, differing in price and
intelligence.  The un-intelligent boards work very well, and are the
least expensive.  They are also supported directly by Xenix.  The
intelligent boards (they have at least two different types) also work
well although I have had a little trouble running a high-speed printer off
one on Xenix 2.3.2.  They supply drivers with the boards for
installation in all versions of Xenix.



JB
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davr@hrtix.UUCP (David C. Raines) (08/15/89)

In article <963@lakesys.UUCP>, davek@lakesys.UUCP (Dave Kraft) writes:
>> At my place of employment, we are looking into buying an 8 port board,
>> and one that we are looking at is called DigiComm.  Anyone know if this can
>> be used with SCO Xenix 386 2.3.2??  Any info would be appriciated.
 
>After posting my previous article, I noticed that I used the wrong name.  Where
>I have DigiComm in my previous message, please substitute Digiboard.  Thanks

My Digiboard came with a driver for SCO Xenix 2.3 so it should work fine 
on your system. I am using the Digiboard PC/8i on Interactive 386/ix.  
I am very happy with it.  The only drawback is the 'octopus' (8 wires with
RS232 25 pin connectors), which plugs into the back of the board.  It not all
bad though; the wires are long enough to reach nearby peripherals like the modem
without needing an additional wire.  

I believe they also have an adaptor for RJ-45 connectors, which 
would be nice, but I have other machines with other IO boards 
and every manufacturer seems to have their own idea of what RJ45 
pin configurations should be.  (ARE YOU READING THIS Digiboard,
Bell, Arnet, Anvil, etc. etc....).

Actually, Digiboard has the closest setup of all boards that
I,m aware of, to what I,d like to see. If the pins were symmetrical, then
the same adaptors could be used for either modems, computers, terminals,etc.
by simply flipping the wire. 
	Example:  	1 DTR  ---------
			2 GND  ------  |
			3 RTS  ---  |  |
			4 XMT    |  |  |
			5 RCV    |  |  | 
			6 CTS  ---  |  |
			7 GND  ------  |
			8 DSR/DCD  -----
Any thoughts?
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root@nstar.UUCP (Larry Snyder) (08/16/89)

In article <963@lakesys.UUCP>, davek@lakesys.UUCP (Dave Kraft) writes:
> At my place of employment, we are looking into buying an 8 port board,
> and one that we are looking at is called DigiComm.  Anyone know if this can
> be used with SCO Xenix 386 2.3.2??  Any info would be appriciated.

 I am currently looking into the same thing here and the Computone boards
seem very popular with Xenix users.

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root@nstar.UUCP (Larry Snyder) (08/16/89)

In article <963@lakesys.UUCP>, davek@lakesys.UUCP (Dave Kraft) writes:
> At my place of employment, we are looking into buying an 8 port board,
> and one that we are looking at is called DigiComm.  Anyone know if this can

Take a look at the Computone boards.


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chip@vector.Dallas.TX.US (Chip Rosenthal) (08/17/89)

{{{ followups redirected to comp.unix.xenix, where this seems to belong }}}

In article <65@nstar.UUCP> root@nstar.UUCP (Larry Snyder) writes:
>Is the difference between the smart boards and "dumb" boards really that
>noticable under SCO Xenix?

Absolutely, positively, yes.

I run a line printing server on my serial lines, and connect the serial
lines to DOS peecees.  To the peecees, it looks as if there is a Laserjet
sitting on the end of the COM port, but it is actually a XENIX box spooling
stuff to the printer.

I prototyped the server with a dumb COM card, found it extremely prone
to losing characters, right down to 2400bps.  The reason is that the
serial connection is the usual three-line, with no flow control.  The
problem disappeared when I implemented it with a smart card.  I run
it at 9600bps reliably, even on a heavily loaded machine.  I haven't
tried faster only because the DOS end doesn't support it.

BTW...I'm using a Digiboard for this, and am extremely happy with it.  I
don't know if their board is the best thing on the market technically.
In fact, mine is a crufty, old COM/8i.  But the clincher has been my
experiences with their support folks.  I have found them to be very
responsive, and their support policy is great (basically, free support).
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compata@cup.portal.com (David H Close) (08/17/89)

David Raines recently comments:

> I believe they [Digiboard] also have an adaptor for RJ-45 connectors,
> which would be nice, but I have other machines with other IO boards 
> and every manufacturer seems to have their own idea of what RJ45 
> pin configurations should be.  (ARE YOU READING THIS Digiboard,
> Bell, Arnet, Anvil, etc. etc....).

> Actually, Digiboard has the closest setup of all boards that
> I,m aware of, to what I,d like to see. If the pins were symmetrical, then
> the same adaptors could be used for either modems, computers, terminals,etc.
> by simply flipping the wire. 
> 	Example:  	1 DTR  ---------
> 			2 GND  ------  |
> 			3 RTS  ---  |  |
> 			4 XMT    |  |  |
> 			5 RCV    |  |  | 
> 			6 CTS  ---  |  |
> 			7 GND  ------  |
> 			8 DSR/DCD  -----
> Any thoughts?

Yes.  Many terminals operate just fine on three wires.  It's a shame to 
require a 6-or 8-wire cable to support these devices.  4-wire IW cable is
cheap and widely available.  Tools to crimp the connectors are cheaper than
RJ45 also.  It seems to me that, if RJ45 is to be used, the TxD, RxD, and SG
pins should be grouped in the center so that RJ11 connectors and cables can
be used when appropriate.

The example shown for Digiboard (which I cannot independently confirm)
almost makes it but SG is too far out.  I've the same complaint on the
Bell Tech boards I've used.  Surely, the crosstalk problem isn't so bad
that these three signals must be so widely separated?

Dave Close, Compata, Arlington, Texas
compata@cup.portal.com

paine@fungus.dec.com (Willy Paine) (08/18/89)

Hello, Larry!!

DigiComm is very frustrated for ix/386 because DigiComm people know only
only the latest model.   I have DigiBoard Comm/8 which is little old but
it works great for ms-dos.  Just yesterday I got driver for newer
DigiComm/PC without intel and I tried to install but it causes very big
crash that takes me over four hours to restore all kernel and files
include inittab.    I have recieved some negative comments on DigiBoard
for last three weeks but most of message is telling me to get driver
from DigiBoard and this does not help me well.   

If you are working on ix/386, I suggest to look up comp.unix.i386.  I
don't know if new SCO Unix is getting better but I do many Xwindows
stuffs in ix/386.

Willy

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