XTS3K TX Inhibit

[katt02]

Hi All,
Sorry if this was posted before, but I could not find a direct answer to this questions. Will TX Inhibit prevent trunked system affiliation? If it does, would a radio still receive a specific talk group in a trunked system?*

Also, What is TX inhibit on busy? I have seen the option all around CPS but I do not know what it is.

Thanks, Katt

*I do not want any of my radios to scan a trunked system, I simply want to learn more about TX Inhibit and see if it would be useful on a radio that is hooked up to a trunked system.

 

[kjl13]

Hey.

I have been told that when TX inhibit is on the radio will not affiliate with a trunked system.

And I believe that TX inhibit on busy is so someone can TX when the radio is receiving.

Hope that answers your questions.

Regards,
Kyle


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[MSS-Dave]

TX inhibit will NOT stop a radio from affiliation with a trunked system, only from TX on a selected TG or conventional channel. TX inhibit on busy keeps you from keying up when the channel is busy and that should be conventional only, not trunked operation.

 

[mmckenna]

TX inhibit on Busy keeps the radio from transmitting when it's actively receiving a signal. It's intended to keep a user from transmitting over the top of someone else.

As for TX inhibit, well, I was just going to type what MSS-Dave just posted, so "what he said".

 

[kjl13]

TX inhibit will NOT stop a radio from affiliation with a trunked system, only from TX on a selected TG or conventional channel. TX inhibit on busy keeps you from keying up when the channel is busy and that should be conventional only, not trunked operation.

Are you sure?

I have tested this on a trunked system, and it stopped me from affiliating.

 

[mmckenna]

Back in my SmartNet system days, yes, that's the way it worked. It was so you could set up a talkgroup as receive only.

The radio affiliation happens on the trunks side, not the talk group side. A radio can still affiliate even if the talkgroups are set to RX only.

 

[kjl13]

Back in my SmartNet system days, yes, that's the way it worked. It was so you could set up a talkgroup as receive only.

The radio affiliation happens on the trunks side, not the talk group side. A radio can still affiliate even if the talkgroups are set to RX only.

Interesting, I wonder why my radio was stopping itself from affiliating with TX inhibit on.

 

[mmckenna]

Interesting, I wonder why my radio was stopping itself from affiliating with TX inhibit on.

Are you sure it wasn't transmitting? Could be low TX power, out of range of the system….

 

[kjl13]

Yea, I am sure. The battery was fully charged, and we were right near the site(about 3-5 miles away.

 

[GTR8000]

Well, it depends on what TX Inhibit functionality you're referring to, specifically.

I'm not intimately familiar with the XTS 3000, however the XTS 5000's concentric switch (normally use for secure mode selection) can be used for TX Inhibit, which physically blocks the radio from transmitting, including registration/affiliation on a trunked system. This applies to the APX series portables that have a concentric switch as well.

This is very different than setting a trunked personality to TG/AG Disabled, which will effectively set the talkgroups in that personality to RX only, however will not prevent the radio from attempting to register/affiliate.

I'll leave it up to those more familiar with the XTS 3000 to speak to whether that radio's concentric switch can also be mapped to the TX Inhibit function.

 

[brndnstffrd]

The XTS3000 functions the same way as does the MTS2000

 

[GTR8000]

The XTS3000 functions the same way as does the MTS2000

Thanks, I figured as much.

For reference, here is the TX Inhibit help pages from both the APX and ASTRO 25 CPS:

 

[kjl13]

Well, it depends on what TX Inhibit functionality you're referring to, specifically.

I'm not intimately familiar with the XTS 3000, however the XTS 5000's concentric switch (normally use for secure mode selection) can be used for TX Inhibit, which physically blocks the radio from transmitting, including registration/affiliation on a trunked system. This applies to the APX series portables that have a concentric switch as well.

This is very different than setting a trunked personality to TG/AG Disabled, which will effectively set the talkgroups in that personality to RX only, however, will not prevent the radio from attempting to register/affiliate.

I'll leave it up to those more familiar with the XTS 3000 to speak to whether that radio's concentric switch can also be mapped to the TX Inhibit function.

Ok, that makes sense then; I was using the concentric switch. As my XTS 3000 doesn't have an encryption board.

And I am yet to test this on an XTS 5000.

 

[mmckenna]

Ok, that makes sense then; I was using the concentric switch.

Yeah, that's different than setting a talk group to TX inhibit. Good info, though. Last bunch of Motorola trunking radios I've used at work were all XTS/XTL series on a SmartNet system.
Running a NexEdge system now, accidentally affiliating isn't even a possibility. Radio will not access the system unless the radio ID and ESN are programmed by the system administrator (me). Won't even RX unless it's set up.

 

[mikewazowski]

GTR8000 is correct. Setting TX Inhibit on an XTS3000 will keep it from affiliating on a Smartzone system.

 

[kjl13]

Yeah, that's different than setting a talk group to TX inhibit. Good info, though. Last bunch of Motorola trunking radios I've used at work were all XTS/XTL series on a SmartNet system.
Running a NexEdge system now, accidentally affiliating isn't even a possibility. Radio will not access the system unless the radio ID and ESN are programmed by the system administrator (me). Won't even RX unless it's set up.

Ah cool, I don’t like NexEdge; but that feature is cool.


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[kjl13]

GTR8000 is correct. Setting TX Inhibit on an XTS3000 will keep it from affiliating on a Smartzone system.

Thanks for the clarification, I thought that was the case.

Looks like was just a misunderstanding of the case.

Regards,
Kyle


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