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Trunking Control Channel Decoding For discussion of installation, setup, configuration, and use of the Trunker / Unitrunker digital decoding utilities (for decoding Trunking control channels)

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Old 10-29-2009, 09:23 PM
fog fog is offline
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Default Monitoring 3600bps Motorola with Pro96?

I'm interested in monitoring a few Motorola SmartNet / SmartZone systems with a Pro96. I am not able to perform the discriminator mod at this time, so I'm restricted to tools that work through the PC/IF port. (Or, if they actually worked, tools that work solely off an untapped headphone jack, but I don't have high hopes.) EDACS is a bonus.

Unitrunker has a Pro106 "inline" option, which seems to be what I want, but not for the Pro96. Will it work if I can find the right settings, or are the two radios too different?

Pro96Com is not an option because it works only with 9600bps P25 systems.
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Old 10-29-2009, 09:32 PM
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Originally Posted by fog View Post
I'm interested in monitoring a few Motorola SmartNet / SmartZone systems with a Pro96. I am not able to perform the discriminator mod at this time, so I'm restricted to tools that work through the PC/IF port. (Or, if they actually worked, tools that work solely off an untapped headphone jack, but I don't have high hopes.) EDACS is a bonus.

Unitrunker has a Pro106 "inline" option, which seems to be what I want, but not for the Pro96. Will it work if I can find the right settings, or are the two radios too different?

Pro96Com is not an option because it works only with 9600bps P25 systems.
The PRO-96 and PRO-2096 only send the data from 9600bps systems to the PC/IF port. It doesn't feed data from an EDACS or 3600bps Motorola system to that port.

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Old 10-30-2009, 10:38 AM
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I don't think the PRO-96/2096 send ANY trunking data to the PC/IF port. That port transfers programming information to and from the scanners' memory.
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Old 10-30-2009, 01:02 PM
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I don't think the PRO-96/2096 send ANY trunking data to the PC/IF port. That port transfers programming information to and from the scanners' memory.
Mikey60 is correct. Only Pro96Com trunking data is sent out the PC/IF port. I think GRE did not fully understand P25 trunking when they built the scanner and put this in as a CC-Debug function which is real usefull today.
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Old 10-30-2009, 08:01 PM
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Originally Posted by DaveNF2G View Post
I don't think the PRO-96/2096 send ANY trunking data to the PC/IF port. That port transfers programming information to and from the scanners' memory.
The Pro96 and 2096 do send the necessary data from 9600 baud P25 trunked control systems to the data port, but they do not send data for any other type of systems, such as 3600 baud Moto or any EDACS systems.

Without this data PRO96Com would not work.

I have read that the author of PRO96COm was working on a variant that would work on 3600 baud systems but it probably would not work on the older PRO96 and 2096 radio's PC/IF port, so would require either a discriminator or one of the other radios that may provide the proper data at the serial port.

PRO96Com does work with other radios these days, such as the GRE PSR500/600/Pro106/197 and the Uniden BCD996XT and BCD396XT. I don't know if these radios present the data for 3600 baud or EDACS systems at the serial port, but I am sure that Mike V. knows.
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Old 10-30-2009, 09:11 PM
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The Pro96 and 2096 do send the necessary data from 9600 baud P25 trunked control systems to the data port, but they do not send data for any other type of systems, such as 3600 baud Moto or any EDACS systems.

Without this data PRO96Com would not work.

I have read that the author of PRO96COm was working on a variant that would work on 3600 baud systems but it probably would not work on the older PRO96 and 2096 radio's PC/IF port, so would require either a discriminator or one of the other radios that may provide the proper data at the serial port.

PRO96Com does work with other radios these days, such as the GRE PSR500/600/Pro106/197 and the Uniden BCD996XT and BCD396XT. I don't know if these radios present the data for 3600 baud or EDACS systems at the serial port, but I am sure that Mike V. knows.
Yep, I know that, but I haven't had time to really dig into the 3600 control channel stream format at this point. I will eventually though.

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Old 10-30-2009, 09:19 PM
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Doh! I guess I should have read the whole thread before responding!

Love your work Mike, I wish I had your skills!
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Old 10-31-2009, 09:53 AM
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Hmm. Thanks all for the updates. It sounds like the answer is that, unless I tap the discriminator output, there are no options, and probably never will be. I hadn't even considered that the PC/IF port would be P25-trunking only. The theory that it's for debugging does explain the cryptic key combination needed.

The audio on my Pro96 is going... (Seems to be the bad pot issue or something of the sort -- pressing down on the knob or jiggling the antenna helps at times.) Maybe when it finally kicks the can, I'll be a bit more willing to cut things up and put in a discriminator tap.

Thanks all for the assistance!
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