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PA2AGA > HDDIG 06.12.99 07:39l 241 Lines 7036 Bytes #-9660 (0) @ EU
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Subject: HamDigitalDigest 99/309D
X-BBS-Msg-Type: B
modified the DSP-599zx for hardware memory ARQ and connected the A/D outputs
to LPT 1 for use with TERMAN93?)
73's
Rob
VA2FB
>.
------------------------------
Date: Thu, 02 Dec 1999 01:08:15 GMT
From: jdouglas@timewave.com (John Douglas)
Subject: RS-232 HELP for internal RTTY modem in DSP-599zx
In article <u1k14.195354$5r2.458508@tor-nn1.netcom.ca>, "Rob"
<NoEmail@NoWay.com> wrote:
>My Timewave DSP-599zx has an internal RTTY modem which provides mark/space
>input and output (like the old Hal ST-6).
>
>I would like to try Tom Sailor's TERMAN 93 with my DSP-599zx. (I would also
>like to try some older programs like PCTOR by KC7WW)
>
>MY DSP-599zx filter/modem has a DB9 RS-232 connector with the following
>pin-outs:
>
>MODEM PORT on DSP-599ZX
>-------------------------------------------
>
>PIN 2 RD -- IN MARK/SPACE
>PIN 3 TD -- OUT Mark/Space
>Pin 5 ---- Ground
>Pin 7 --- RX/Tx Activation (ie PTT)
>
>According to TERMAN93's documentation, It would appear that I cannot use a
>simple straight through modem cable with DB9 connectors at both end - one
>connected to my DB9 modem connector and one connected to my DB9 computer
>serial port.
>
>It would appear that I need to connect Pin 2 (RD) of my DB9 modem connector
>to Pin 1 (DCD) of the computer's DB9 serial port.
>
>But some other RTTY programs like PCTOR use Pin 2 RD (not Pin 1 DCD) on the
>computer's DB9 serial port to receive the mark/space signals from the modem
>for RTTY.
>
>Can I just place a jumper from Pin 2 to Pin 1 at either end of my modem
>cable??
>
>Will shorting out the RD and DCD pins of my computer's serial port damage
>it??
>
>It is too bad that the output of the DSP-599zx's DSP chip is not readily
>available for HARDWARE memory ARQ. (Does anyone know of anyone who has
>modified the DSP-599zx for hardware memory ARQ and connected the A/D outputs
>to LPT 1 for use with TERMAN93?)
>
>73's
>
>Rob
>VA2FB
>
>
Hello Rob,
I run my DSP-599zx with WF1B, COMP-RTTY and DSP RTTY without a problem. The
cable is a standard 9 to 9 RS-232 cable.
The DSP-599zx and the DSP--59Y do use pin-2 for the mark/space input. Thats a
standard TU interface.
73
John N0ISL
Timewave
>
>.
------------------------------
Date: Wed, 1 Dec 1999 22:09:07 -0500
From: "Rob" <NoEmail@NoWay.com>
Subject: RS-232 HELP for internal RTTY modem in DSP-599zx
Hi John,
many thanks for the EMAIL on DSP-599zx..
I have never heard of COMP-RTTY. What is it? Where can I Find it?
Can you also please tell me whether there are any firmware upgrades for the
DSP-599zx?? (how can I tell what is the present version of the firmware?)
73's
Rob
"John Douglas" <jdouglas@timewave.com> wrote in message
news:824kb1$qdp$1@newsfeed.minn.net...
> In article <u1k14.195354$5r2.458508@tor-nn1.netcom.ca>, "Rob"
<NoEmail@NoWay.com> wrote:
> >My Timewave DSP-599zx has an internal RTTY modem which provides
mark/space
> >input and output (like the old Hal ST-6).
> >
> >I would like to try Tom Sailor's TERMAN 93 with my DSP-599zx. (I would
also
> >like to try some older programs like PCTOR by KC7WW)
> >
> >MY DSP-599zx filter/modem has a DB9 RS-232 connector with the following
> >pin-outs:
> >
> >MODEM PORT on DSP-599ZX
> >-------------------------------------------
> >
> >PIN 2 RD -- IN MARK/SPACE
> >PIN 3 TD -- OUT Mark/Space
> >Pin 5 ---- Ground
> >Pin 7 --- RX/Tx Activation (ie PTT)
> >
> >According to TERMAN93's documentation, It would appear that I cannot use
a
> >simple straight through modem cable with DB9 connectors at both end -
one
> >connected to my DB9 modem connector and one connected to my DB9 computer
> >serial port.
> >
> >It would appear that I need to connect Pin 2 (RD) of my DB9 modem
connector
> >to Pin 1 (DCD) of the computer's DB9 serial port.
> >
> >But some other RTTY programs like PCTOR use Pin 2 RD (not Pin 1 DCD) on
the
> >computer's DB9 serial port to receive the mark/space signals from the
modem
> >for RTTY.
> >
> >Can I just place a jumper from Pin 2 to Pin 1 at either end of my modem
> >cable??
> >
> >Will shorting out the RD and DCD pins of my computer's serial port damage
> >it??
> >
> >It is too bad that the output of the DSP-599zx's DSP chip is not readily
> >available for HARDWARE memory ARQ. (Does anyone know of anyone who has
> >modified the DSP-599zx for hardware memory ARQ and connected the A/D
outputs
> >to LPT 1 for use with TERMAN93?)
> >
> >73's
> >
> >Rob
> >VA2FB
> >
> >
>
> Hello Rob,
>
> I run my DSP-599zx with WF1B, COMP-RTTY and DSP RTTY without a problem.
The
> cable is a standard 9 to 9 RS-232 cable.
>
> The DSP-599zx and the DSP--59Y do use pin-2 for the mark/space input.
Thats a
> standard TU interface.
>
> 73
>
> John N0ISL
> Timewave
> >
>.
------------------------------
Date: Thu, 02 Dec 1999 05:44:15 GMT
From: rgawtry@timewave.com (Randall R. Gawtry.)
Subject: RS-232 HELP for internal RTTY modem in DSP-599zx
In article <Aom14.195393$5r2.458711@tor-nn1.netcom.ca>, "Rob"
<NoEmail@NoWay.com> wrote:
>Hi Randy,
>
>Many thanks for the EMAIL.
>
>I didn't know the internal RTTY modem really only works at 45 baud.
>
>The manual does not state that.
Actually, the manual states the RTTY Remodulator and RTTY Modem are not
designed to work above 75 baud -- see pages 1-12 and 1-13.
>
>In fact, the manual seems to imply that the RTTY internal modem can be used
>at different baud rates. On pg 6-2, it states that you "turn the left knob
>to select the appropriate data filter". Then you hit SHIFT+FUNCTION to turn
>on tuning display. Press Function for DCD etc.
>
>I tried setting the DSP-599zx's internal RTTY modem for different baud rates
>and modes (75 baud RTTY, AMTOR, PACTOR). The DSP-599zx accepts the settings
>(but that might NOT mean that it changes the internal modem). Are you sure
>the internal modem is designed only for 45 baud and that the different
>settings do not affect the internal RTTY modem??
You can try operating some of the faster modes if you can get one of the
programs working. Some may work, but not necessarily as well as you might
like. We were not trying to built a multimode data controller when we
designed the DSP-599zx so we did not make any attempt to specify or design it
as anything more than a very flexible and accurate filter product for all
popular HF data modes, voice and CW as well as a great low speed RTTY modem.
>
>I also have an old KAM. I can use the DSP-599zx as a front end filter using
>it it also remodulate the RTTY, AMTOR etc tones for the KAM to ultimately
>demodulate-- Will this work not only for RTTY but also for AMTOR, PACTOR
To be continued in digest: hd_99_309E
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