[App_rpt-users] Allstar parallel port (was source of USB CM108 FOBs - CHEAP)

[Jim W7RY]

Thanks but the link is broken.

73
Jim W7RY


On 2/8/2014 8:04 PM, K&R Yoksh wrote:
> Geez, sorry to waste your time with a reply, Jim. Do you already know 
> how to use Google?http://ohnosec.org/drupal/node/17773,KyleK0KN--- 
> Original Message --- I already know how to build a simple transistor 
> switch....
>
> How do you set up Asterisk to use the parallel port? What commands where?
>
>
> 73
> Jim W7RY
>
> On 2/8/2014 1:34 PM, K&R Yoksh wrote:
>> Hello Andrew,
>>
>> In case George doesn't have anything written up for parallel port
>> operation:
>> http://www.qsl.net/k0kn/plri.html
>>
>> There are several circuits detailed here, from the simplest discrete
>> transistor type, to a transistor IC type that can support multiple
>> radios.
>>
>> You can also use an off-the-shelf IRLP board, should you have one
>> laying around. The DTMF decoder is not supported by Asterisk (Asterisk
>> uses DSP techniques to decode DTMF), so I dropped the MT8870 from my
>> schematics.
>>
>> At it's simplest, all you'd really need is one NPN transistor for PTT
>> (active high from parallel port, active low to activate PTT), and one
>> PNP transistor for COS (if active high from radio). If your radio uses
>> active low COS, I'd buffer with two transistors (PNP to NPN), rather
>> than directly connecting the radio to the PC.
>>
>> I'd suggest using active low at the parallel port inputs.
>>
>> 73 and good luck.
>>
>> Kyle
>> K0KN
>> Allstar 2210-2219
>>
>>
>> --- Original Message ---
>>
>> Hello George,
>>
>> Do you have it documented anywhere how you configure the parallel port
>> for
>> COR and PTT? I'd love to see how you have it configured?
>>
>> Thanks!
>>
>> On Saturday, February 8, 2014, George Csahanin <george at dyb.com> 
>> wrote:
>>
>>>   I bought some CM108 fobs on EBAY for $0.99 each. He has a s***load of
>>> them. Not knowing if they'd be real CM108 I waited till I got them to
>>> send
>>> this note. The USB ID is 08dc:000c the real thing.
>>>
>>> The last four nodes I built up use D945 motherboards which have 
>>> parallel
>>> ports, which I use for COS/PTT and the USB fob only does audio. No
>>> need to
>>> modify them for PTT and COS, etc.
>>>
>>> Anyhow, the EBAY auction is 300503465055 OR click this
>>> link<http://www.ebay.com/itm/300503465055?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649> 
>>>
>>>
>>> Seller's store is circle607. They're in Hong Kong. But the postage was
>>> under $1.20 for all ten.
>>>
>>> I stocked up simply because they work so well, cost so little, and not
>>> sure when they will stop being available. (hoarding 101)
>>>
>>> GeorgeC
>>> W2DB
>>> Allstar 2360
>>
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