<html><body><span style="font-family:Verdana; color:#000000; font-size:10pt;"><div><br></div><div>Here is a page that explains parallel port usage for acid.<br></div><div><br></div><div><a target="_blank" title="http://themidnightengineer.com/category/ham-amateur-radio/app_rpt/connecting-radios/" mce_href="http://themidnightengineer.com/category/ham-amateur-radio/app_rpt/connecting-radios/" href="http://themidnightengineer.com/category/ham-amateur-radio/app_rpt/connecting-radios/">http://themidnightengineer.com/category/ham-amateur-radio/app_rpt/connecting-radios/</a></div><div><br></div><blockquote id="replyBlockquote" webmail="1" style="border-left: 2px solid blue; margin-left: 8px; padding-left: 8px; font-size:10pt; color:black; font-family:verdana;">
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-------- Original Message --------<br>
Subject: Re: [App_rpt-users] Allstar parallel port (was source of USB<br>
CM108 FOBs - CHEAP)<br>
From: Jim W7RY <<a href="mailto:w7ry@centurytel.net">w7ry@centurytel.net</a>><br>
Date: Sat, February 08, 2014 9:49 pm<br>
To: <a href="mailto:app_rpt-users@ohnosec.org">app_rpt-users@ohnosec.org</a><br>
<br>
I already know how to build a simple transistor switch....<br>
<br>
How do you set up Asterisk to use the parallel port? What commands where?<br>
<br>
<br>
73<br>
Jim W7RY<br>
<br>
On 2/8/2014 1:34 PM, K&R Yoksh wrote:<br>
> Hello Andrew,<br>
><br>
> In case George doesn't have anything written up for parallel port <br>
> operation:<br>
> <a href="http://www.qsl.net/k0kn/plri.html">http://www.qsl.net/k0kn/plri.html</a><br>
><br>
> There are several circuits detailed here, from the simplest discrete <br>
> transistor type, to a transistor IC type that can support multiple <br>
> radios.<br>
><br>
> You can also use an off-the-shelf IRLP board, should you have one <br>
> laying around. The DTMF decoder is not supported by Asterisk (Asterisk <br>
> uses DSP techniques to decode DTMF), so I dropped the MT8870 from my <br>
> schematics.<br>
><br>
> At it's simplest, all you'd really need is one NPN transistor for PTT <br>
> (active high from parallel port, active low to activate PTT), and one <br>
> PNP transistor for COS (if active high from radio). If your radio uses <br>
> active low COS, I'd buffer with two transistors (PNP to NPN), rather <br>
> than directly connecting the radio to the PC.<br>
><br>
> I'd suggest using active low at the parallel port inputs.<br>
><br>
> 73 and good luck.<br>
><br>
> Kyle<br>
> K0KN<br>
> Allstar 2210-2219<br>
><br>
><br>
> --- Original Message ---<br>
><br>
> Hello George,<br>
><br>
> Do you have it documented anywhere how you configure the parallel port <br>
> for<br>
> COR and PTT? I'd love to see how you have it configured?<br>
><br>
> Thanks!<br>
><br>
> On Saturday, February 8, 2014, George Csahanin <<a href="mailto:george@dyb.com">george@dyb.com</a>> wrote:<br>
><br>
>> I bought some CM108 fobs on EBAY for $0.99 each. He has a s***load of<br>
>> them. Not knowing if they'd be real CM108 I waited till I got them to <br>
>> send<br>
>> this note. The USB ID is 08dc:000c the real thing.<br>
>><br>
>> The last four nodes I built up use D945 motherboards which have parallel<br>
>> ports, which I use for COS/PTT and the USB fob only does audio. No <br>
>> need to<br>
>> modify them for PTT and COS, etc.<br>
>><br>
>> Anyhow, the EBAY auction is 300503465055 OR click this <br>
>> link<<a href="http://www.ebay.com/itm/300503465055?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649">http://www.ebay.com/itm/300503465055?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649</a>><br>
>><br>
>> Seller's store is circle607. They're in Hong Kong. But the postage was<br>
>> under $1.20 for all ten.<br>
>><br>
>> I stocked up simply because they work so well, cost so little, and not<br>
>> sure when they will stop being available. (hoarding 101)<br>
>><br>
>> GeorgeC<br>
>> W2DB<br>
>> Allstar 2360<br>
><br>
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