[Coco] An X-10 usage for the Direct Connect Modem Pak

[K. Pruitt]

I think the Tip line functions as a ground. Well at least in regular phone 
systems. I'll take it slow. I'd hate to fry a CoCo.

----- Original Message ----- 
From: "George Ramsower" <georgera at gvtc.com>
To: <coco at maltedmedia.com>
Sent: Monday, August 17, 2015 7:49 PM
Subject: Re: [Coco] An X-10 usage for the Direct Connect Modem Pak


>  You will have to cut the phone line pair and use one or both of those 
> wires for a ground. The DTR and CTS lines do need a ground. Then, the 
> phone jack is totally useless for anything else. However, using the two 
> center pins as a ground will eliminate the possibility of destroying the 
> pak and the possibility of killing a coco.
> George R.
>
> On 8/17/2015 9:42 PM, K. Pruitt wrote:
>> I used my zap utility and just changed the addresses to look at the DC 
>> modem pak. I just didn't change it everywhere.
>> Honestly I'm surprised it worked at all.
>>
>> Only two of the 4 wires in that 4 wire connector are even used. Yellow 
>> and blue are unused. So they are wide open for use and can be easily 
>> jumpered to the DTR and RTS pins on the 6551. I'm fairly certain even I 
>> can pull this one off. Not quite mod-free, but a really easy mod.
>>
>>
>> ----- Original Message ----- From: "George Ramsower" <georgera at gvtc.com>
>> To: <coco at maltedmedia.com>
>> Sent: Monday, August 17, 2015 7:30 PM
>> Subject: Re: [Coco] An X-10 usage for the Direct Connect Modem Pak
>>
>>
>>> Kevin,
>>>  The DC Modem Pak uses a different address than does the RS232 Pak. So, 
>>> if you didn't change the address location for that modem pak, of course, 
>>> it will still address the old location, which uses the same data.
>>>  I've converted one DC Modem Pak to work as an RS232 pak. It still used 
>>> the same address as it was designed to do.
>>>  For sure, I think you may be correct about the other RS232 pak doing 
>>> what you thought you were wanting to do on the Modem pak.
>>>  Darn, I was hoping you had it correct. Now I'm still wondering about 
>>> what I said earlier sending DTR and CTS signals.
>
>
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