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MotoTurbo Repeater Problems

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pmberens

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Joined
Apr 19, 2016
Messages
3
Location
Scottsdale Arizona
We recently switched over to a digital radio system and are having some issues. We had analog radios prior and we have Motorola Repeaters. The company set our repeaters up to have 2 digital channels on each repeater. We purchased the Motorola SL300 radios. Since this conversion occasionally when a user sends a transmission on channel 1 it is received on channel 2. And it is exactly the same for the other repeater with channel 3 and channel 4. Not sure why transmissions are wandering from channel to channel. Any help or ideas would be greatly appreciated.
 

Mars_P25

Paid RR Supporter
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Jun 24, 2013
Messages
147
Sounds like the radios are programmed wrong. Check your scan settings and digital group lists. Also make sure your firmware is up-to-date.
 

pmberens

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Apr 19, 2016
Messages
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Location
Scottsdale Arizona
Motorola XPR 8400

We have 2 Motorola XPR 8400 repeaters. Not sure on the linked capacity or capacity plus. The firmware has been upgraded.

My interest is because the company that set this up is baffled and submitted a case to Motorola. They have told me they have never seen this problem before.
 

pmberens

Newbie
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Apr 19, 2016
Messages
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Location
Scottsdale Arizona
We switched out one of the repeaters today with a newer model Motorola Repeater and guess what we are still having the same issues. I have a feeling that we are looking at a problem with the SL300 radios.
 

vans113

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Jul 10, 2012
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418
Location
Tennessee
can you send a codeplug? What I would check in the radios is the RX list to see if somebody put say 2 talkgroups in the rx list if they did you would receive both channels traffic. Do you have any way of doing so?
 

Kitn1mcc

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Joined
Mar 18, 2014
Messages
491
Location
Old Lyme ct
Vans113 is on the right track.

the sl300 has no trunking .

also if you guys need 4 channels why 2 repeaters. could setup multi talk groups on one
 

N4GIX

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May 27, 2015
Messages
2,124
Location
Hot Springs, AR
Honestly, it sounds to me as though whoever setup that system really doesn't understand how DMR repeaters work... :roll:

DMR repeaters have two time slots. Each time slot may be programmed with up to 16 Talk Groups (TGs).

Does your company really need to be able to have four distinct conversations going on at the same time? If so, then both the repeaters and the radios should follow the same pattern:

Repeater 1
Slot 1 = TG1
Slot 2 = TG2

Repeater 2
Slot 1 = TG3
Slot 2 = TG4

That's really a waste of resources though, as together both repeaters are fully capable of supporting up to 64* unique Talk Groups, with 4 simultaneous conversations at the same time.

Actually the repeater can support up to 1,000 TGs, but this is limited more by the available user radios than the repeater per se. However, so many TGs would be gross overkill for the type of system you're describing!
 
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RFI-EMI-GUY

Member
Joined
Dec 22, 2013
Messages
6,877
Honestly, it sounds to me as though whoever setup that system really doesn't understand how DMR repeaters work... :roll:

DMR repeaters have two time slots. Each time slot may be programmed with up to 16 Talk Groups (TGs).

Does your company really need to be able to have four distinct conversations going on at the same time? If so, then both the repeaters and the radios should follow the same pattern:

Repeater 1
Slot 1 = TG1
Slot 2 = TG2

Repeater 2
Slot 1 = TG3
Slot 2 = TG4

That's really a waste of resources though, as together both repeaters are fully capable of supporting up to 64* unique Talk Groups, with 4 simultaneous conversations at the same time.

Actually the repeater can support up to 1,000 TGs, but this is limited more by the available user radios than the repeater per se. However, so many TGs would be gross overkill for the type of system you're describing!

Maybe they have two repeaters to provide some redundancy. If they were licensed for two repeaters previously in analog, it would seem logical to operate this way in digital mode.
 
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