BCD325P2/BCD996P2: Trunking on BCD325P2

CrazyRach82

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Apr 11, 2025
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I am trying to set up trunking for a local T3 System, Manchester Airport.
I have managed to find a few frequencies of this system, and have found out the information using dsdplus.
The information in DSDPlus says its Tier 3 Std, Auto. The colour code on all the systems is 0.
I have posted a screen shot below which shows my event window.
The problem is that from this screen shot, I am presuming the LCN is 50. But it seems to be 50 on both slots, and on all frequencies.
Or is this not the LCN?
Any help appreciated.

Thanks
 

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Whiskey3JMC

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The problem is that from this screen shot, I am presuming the LCN is 50. But it seems to be 50 on both slots, and on all frequencies.
Incorrect, the 50 encircled here denotes priority as described here, take note of the "Pri" column header in your screenshot
1753184617360.png
 

CrazyRach82

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So how do I find out the LCN of this particular channel? Also I have noticed there is no network id either.
Thanks for your reply
 

Whiskey3JMC

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I've never seen net ID and Ch IDs not come up upon voice traffic on a TIII system before (at least the ones monitorable to me). If you had the channel IDs you could use this LCN calculator to help determine the LCNs but not sure why the info isn't coming up. If you had a Uniden x36HP or SDSx00 you could also run the built in LCN finder to determine LCNs
 

devicelab

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So how do I find out the LCN of this particular channel? Also I have noticed there is no network id either.

You're in the 'scanner' trunk-tracking mode of DSD+ and that's not the best mode for the information you're looking for. You're not seeing the LCN because the 'scanner' is on a voice channel.

I'd suggest watching a few youtube videos on how to use DSD+
 

cg

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When in scan mode, the word "Scan" appears in the top margin of the FMPx window. Not seen in post 1.
 
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