[DECtalk] dectalk external question

Wed Mar 1 14:17:28 EST 2006

the port has pins showing on it
thanks
hank
----- Original Message ----- 
From: "Jayson Smith" <ratguy at bellsouth.net>
To: "DECtalk Discussions" <dectalk at bluegrasspals.com>
Sent: Wednesday, March 01, 2006 2:28 AM
Subject: Re: [DECtalk] dectalk external question


> Hi,
> Assuming the ports on the back of your DECtalk are female, that is, they 
> do
> not have pins showing, you would need a 25-pin male to 9-pin female. 
> These
> cables were in common use not too long ago when external modems were being
> used, most modems had 25-pin female serial ports.  As to whether you need 
> a
> null modem cable or adaptor, I can't say as I don't know how the serial
> ports in the DECtalk are wired, but I would tend to think not.  A null 
> modem
> cable or a null modem adaptor is needed in some instances, especially when
> hooking two computers together.  There are two different types of serial
> equipment.  Normally when two serial devices are connected properly, each
> device's Receive line is connected to the other device's Transmit line.
> When you try to hook up two devices of the same type without a null modem
> cable or adaptor, the transmit lines and the receive lines are connected 
> to
> themselves.  That is like two people trying to communicate over a 
> telephone
> by talking into the earpiece and listening to the mouthpiece.  In short,
> absolutely nothing is accomplished by so doing.  A null modem adaptor is 
> put
> at one end of the cable to switch the pins around in these instances, or a
> null modem cable can be used which is already wired thus.  Usually the 
> only
> time this is an issue is when you are trying to hook up two computers.
> Jayson.
>
> ----- Original Message -----
> From: "hank smith" <hanksmith4 at earthlink.net>
> To: "DECtalk Discussions" <dectalk at bluegrasspals.com>
> Sent: Wednesday, March 01, 2006 4:42 AM
> Subject: Re: [DECtalk] dectalk external question
>
>
>> what kind of cable do I need to make this thing work with a computer?
>> is there such a thing as a 25 mail to 9 pin femail?
>> I'll be damned if I can find one of things I was told to look at a null
>> modem cable but that is just for internet connections i thaught
>> its interesting though that you mentioned interfacing this thing with
> phone
>> lines thing things looks like a computer but no ports for a keyboard or
>> anything its really big some what long etc.it has a fan inside it to.
>> anyways if any oe has used one of these things please get back to me.
>>
>> ----- Original Message -----
>> From: "Jayson Smith" <ratguy at bellsouth.net>
>> To: "DECtalk Discussions" <dectalk at bluegrasspals.com>
>> Sent: Wednesday, March 01, 2006 12:58 AM
>> Subject: Re: [DECtalk] dectalk external question
>>
>>
>> > Hi,
>> > You have one of the old DECtalks.  I've never seen one of these so 
>> > don't
>> > have connector info, but I've heard Speakup under Linux can use these 
>> > so
>> > if
>> > you ever want someone to take it off your hands...
>> > Anyway, you're wrong, any connector with pins or plugs showing is a
> male,
>> > any jack or serial connector without pins showing is a female.  The
> phone
>> > jacks, as I understand it, are not used for connection to a computer.
>> > These
>> > old DECtalk units could interface with a phone line to give callers
> spoken
>> > information, provided you had or could write the appropriate software.
> I
>> > think they could even do menu-based stuff, E.G. "For the song of the 
>> > day
>> > press 1, for the DECtalk demo review of the day press 2, for your
> current
>> > account balance press 3, to use a time machine to make it so that
> Digital
>> > would never have even thought of selling DECtalk press 4, etc."  Thus,
>> > probably the reason that DECtalk versions to this day have touchtone
>> > dialing
>> > commands.
>> > Jayson.
>> >
>> > ----- Original Message -----
>> > From: "hank smith" <hanksmith4 at earthlink.net>
>> > To: "DECtalk Discussions" <dectalk at bluegrasspals.com>
>> > Sent: Tuesday, February 28, 2006 11:56 PM
>> > Subject: [DECtalk] dectalk external question
>> >
>> >
>> >> hello I have a dectalk external its before the express
>> >> it is running firmware 1.8 when you turn it on it has test touchtones
>> > before
>> >> it says
>> >> "dectalk version 1.8 is running"
>> >> anyways I am having trouble finding out what exact cable I need to 
>> >> hook
>> > this
>> >> up to a computer to use with a screen reader
>> >> it has 2 phone jacks one with a phone simbol and the other with a 
>> >> minus
>> > buy
>> >> it
>> >> btw I just had a custom cable made a mmj cable and it isn't the one
> that
>> >> goes off to the side
>> >> the other 2 ports it has are one port that says
>> >> comm
>> >> the other port has a square buy it
>> >> these are 25 pin think its femail its the port with the pins showing.
>> >> anyways what cable do I need to have custom made to interface this
> thing
>> >> with the computer to use it as a external synth?
>> >> I am going to be returning the mmj cable and I need to tell the folks
>> >> what
>> >> kind of cable I need.
>> >> any help  is so so greatly appreciated.
>> >> thanks
>> >> hank
>> >>
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>> >
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