Conventional MOTOTRBO DMR question

[billy2047]

If radio A (The transmitter) and radio B (The receiver) are occupying slot 1 for a call, what will happen to radio B if radio C keys up at the same time?

Will radio B hear both radio A and radio C??

*Assume slot 2 is idle, radios A, B and C have different radio ID and all three radios are in the same talkgroup.

Thanks

 

[clbsquared]

Whichever radio hits the repeater first will transmit. The other radio SHOULD just “bonk” and not allow TX.

 

[RTmed519]

Radio C should recognize there's activity on the frequency/talkgroup, and as clb mentioned, not allow TX. This isn't true however if the radios are programmed with TX/RX interrupt, which can be programmed via CPS. If this is programmed, Radio C would override radio A, and Radio B would only hear radio C's traffic.

 

[merlin]

Radio C should recognize there's activity on the frequency/talkgroup, and as clb mentioned, not allow TX. This isn't true however if the radios are programmed with TX/RX interrupt, which can be programmed via CPS. If this is programmed, Radio C would override radio A, and Radio B would only hear radio C's traffic.

The repeater would have to allow interrupt (an emergency option) otherwise, first come, first served. Only if radio 'C' was sending emergency can it hijack the repeater.

 

[RTmed519]

The repeater would have to allow interrupt (an emergency option) otherwise, first come, first served. Only if radio 'C' was sending emergency can it hijack the repeater.

The way I read the question I understood it as conventional Radio->Radio, not repeater. In your case, yes, if there was a repeater involved this is how it'd work.

 

[billy2047]

Thanks guys.

Sorry for another question. Will emergency preemption or TX interrupt feature work, if both repeater slots are being occupied?

(eg. radio A is transmitting in slot 1 and radio B is transmitting in slot 2, radio C user hits the emergency button, will radio C get bonked?)