[1000mp] Serial Port Dead

[Pete Smith]

Do you mean a null modem connector or a gender changer?  I concur with the latter - for some reason the gender on the back of the Mark 5 is wrong for use with a conventional straight serial cable.

73, Pete N4ZR

At 10:24 AM 2/2/2006, you wrote:
>i had to use a null modem connector with mine.
>
>chet N6ZO
>----- Original Message ----- From: "Tad Williamson" <ironbutttad at yahoo.com>
>To: "All about Yaesu 1000mp" <1000mp at mailman.qth.net>
>Sent: Thursday, February 02, 2006 7:06 AM
>Subject: Re: [1000mp] Serial Port Dead
>
>
>Rob, I don't think there are any hidden menu settings
>for the CAT port on the 1000.  It does use a regular
>modem (straight-thru) cable and not a Null-modem
>cable.
>
>My serial port went out on the radio.  I had Paul
>Hansen in South Carolina replace the serial chip in
>the radio.  If you look at the schematic, the
>inputs/outputs of the serial chip are not isolated. Near as I can figure, I had a loose serial cable and
>some RF got into the chip and "poof"
>
>I hope your's is simpler like a pin on a cable or
>something like that.
>Be sure the serial port on the computer is set for
>4800 baud, no parity, 8 data bits and 2 stop bits
>(4800, N, 8, 2).  I've had an occasional problem where
>some other program(or windows) will reset this setting
>and my CAT funtions stop working.  Also, just for
>grins, you might try another Modem cable.
>Good luck, 73, Tad
>
>
>--- Rob Murray <rmmurray at xplornet.com> wrote:
>
>>Thanks all for the suggestions; to take them all in
>>turn - 
>>My laptop serial port works fine with other things,
>>eg., GPS stream input.
>>I tried the test4MP program, and it flashes my
>>comport 4 lights when it
>>tests for it (and this is the port that I try to
>>connect to the Mark 5 to)
>>says it is present but the Mark 5 is not connected
>>to it.
>>I do not know if the null modem is built into the
>>rig; I do know that the
>>instruction manual says to use a straight cable, and
>>not to use a null modem
>>cable. So I used a straight cable. (It does appear
>>to me that latterly the
>>CAT section of the manual has been greatly expanded,
>>as I can find nothing
>>to complain about re the information given. Unless
>>of course, they erred...)
>>I was wondering if there is an on/off switch for
>>that connector in the upper
>>(nomrally hidden) menu; or if anyone else had had a
>>similar problem.
>>Failing that, I could try a null modem cable in
>>desparation, I suppose.
>>Robert Murray    VA7RMM
>>RR1 S5 C16
>>Edgewood, BC    V0G 1J0
>>Phone/Fax (250) 269-7698
>> 
>>
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>
>"What a long, strange trip it's been"
>The Grateful Dead
>Truckin'
>
>
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