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[TenTec] Re: hp Z3801A Interface Unit

To: <tentec@contesting.com>
Subject: [TenTec] Re: hp Z3801A Interface Unit
From: k4wj@bellsouth.net (John/K4WJ)
Date: Mon Jun 9 21:36:10 2003
Jim,

Very interesting!

I'm not a Teletype guy but maybe you need a teletype program in your PC to 
generate the stop and start bits at the serial interface of the PC.  Is 
this what your going to use the Model 260 for?

73..John/K4WJ

At 02:43 PM 6/9/03 -1000, you wrote:
>Hi,
>
>Well,  the Telebyte Model 260 came today,  and......
>I can't get the PC and the hp box communicating!
>
>So till no joy with the hp GPS box.
>
>Either my cables are incorrect,  or I don't know how
>to set up the Com port to talk correctly to the hp unit.
>The hp manual specifies that the com port settings be:
>
>Pace:  None
>Baud Rate: 19200
>Parity: Odd
>Data bits: 7/char
>Start Bit: 1
>Stop bit: 1
>
>Now my PC is running Windows XP.  There is no Pace
>parameter to set at the Com port "properties" window,
>nor is there a Start Bit choice.  I have tried using 8 bit
>words,  thinking maybe the start bit was added to the
>7 char. bits,  but that does not work either.
>
>So I am a bit at a loss about what to do now.
>
>Oh, I am using a null modem cable between the
>PC and the RS232 end of the Telebyte Interface
>unit (their model 260) which takes it's power from
>the PC at the 232 end.  Maybe that null cable is an error?
>The Telebyte Interface unit has a small slider switch
>at the RS232 end of the unit.  You can select either
>DCE or DTE.  As it is at the 232 end,  I presumed it
>should be set to DCE for the PC to act as the rcvr...
>correct?
>
>Either I don't understand what I am doing,  or I should
>start all over.  Maybe even bite the bullet and do the
>internal mod to the hp box per AD6A,  but really
>don't want to have to do that.
>
>Any thoughts on how I should proceed to trouble shoot
>this situation.  The hp box seems to go through its
>initial check-out ok,  with only the power light remaining
>ON after a few seconds.
>
>Any of you who have gotten success with the hp unit have
>any thoughts?
>
>73,  Jim  KH7M
>
>
>
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73..de John/K4WJ
***********************************************************
   John/K4WJ in Pembroke Pines, FL
    QTH  26 00 51 N
         80 16 16 W

K8PXG from 18 Jun 59 to 11 Feb 97
K8WJ  from 12 Feb 97 to 07 Apr 97
ZF2HZ from 17 May 84 to 31 Dec 84
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