[1000mp] USB-serial port converters update

Wed, 17 Jul 2002 11:40:00 -0700

Duncan,

The Entegra 2U4S is a USB-to-RS232 adapter.  I previously had an ISA
8-serial port adapter that I couldn't use with my new PCI only bus computer.
The new computer only had one RS-232 port, so I needed to find a way of
connecting three radios and a rotor control.  The first option I tried was
the USB adapter, and the only reason I picked the one I did was because it
had 4 RS232 ports and gave me two more USB ports (which I am not using).  I
assume the 9-pin male-female serial cable carries all 9 lines through the
cable, but I have never tested the cables.  The serial ports can be set from
the regular Settings-Control Panel-System-Device Manager-Ports Screen for
the default serial settings, and seem to work with the changes made by the
logging program for speed, etc.

73, Bill

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Duncan Clark
Sent: Wednesday, July 17, 2002 9:26 AM
To: [email protected]
Subject: Re: [1000mp] USB-serial port converters update

In message <[email protected]>, Bill Shell
<[email protected]> writes on the Wed, 17 Jul 2002
>Entegra 2U4S

On second thoughts may it is me being wrong :-(

I assumed this was a computer but it may be a converter. If it is you
sound like you did get lucky :-))

A post some months ago, which I found after getting the Targus
converter, said:

In message <001501c0d829$8a0f6f60$0201a8c0@any>, WA9ALS - John
<[email protected]> writes on the Tue, 8 May 2001
>> Another inconsistency is what functions are available to the user on the
>> RS-232 port
>
>These "RS-232 problemsaren't confined to Yaesu.  Try out a few USB->serial
>converters to see what I mean.  They all seem to implement portions of the
>RS-232 standard, and they don't all work the same!  Some (Belkin, Connect
>Tech) will read the MP, and others (Targus and D-Link) will not.  Most will
>not do 5-bit Baudot code on the TxD line like the built-in serial ports
will
>(most USB serial adapters only handle 7- and 8-bit).  The standard built-in
>serial ports on computers have RTS and DTR come up low, whereas the
>USB-serial adapters have these lines come up HIGH (and key your rig!).
It's
>been explained to me that the latter arrangement is more "standard" than
>Bill Gate's way (surprise).
>

Duncan

--
It might look like I'm doing nothing, but at the cellular level I'm really
quite busy.

Duncan Clark
GeneSys Ltd.
Tel. +44 (0) 1252376288
FAX +44 (0) 8701640382
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