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??? for SmartZone system administrators

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ElroyJetson

I AM NOT YOUR TECH SUPPPORT.
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DO NOT ASK ME FOR HELP PROGRAMMING YOUR RADIO. NO.
In my quest to understand, in some detail, the differences between various types of trunking systems, I'd like to ask the following questions of any qualified Motorola SmartZone system technicians or administrators:

How, specifically, is it different for the system central controller, when comparing a radio's initial log-in on
the system (start of shift) and when the radio is moved to a different talkgroup at some point in the day,
and how is it different when the radio moves from one site to another?

I'm looking for information on how login is different from changing talkgroups, and how those are different
from changing sites.

Additionally, when a radio changes talkgroup or site, my belief is that it never says "I'm leaving this
talkgroup or site" to the controller, but instead only announces its presence on the new talkgroup
or site, and the controller makes the logical presumption that the radio has thus left the previous
talkgroup or site. So there is no need to de-register or logoff.

Is this correct?


Thanks.

Elroy
 

WayneH

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Sitting in an airport somewhere
Additionally, when a radio changes talkgroup or site, my belief is that it never says "I'm leaving this
talkgroup or site" to the controller, but instead only announces its presence on the new talkgroup
or site, and the controller makes the logical presumption that the radio has thus left the previous
talkgroup or site. So there is no need to de-register or logoff.
You're on the right track. An affiliation or registration will be the same despite power-up or channel change. There are certain conditions where a radio will deaffiliate and then reaffiliate with another site. Generally the radio has to literally leave the system in order to deregister with it. A lot of the logic is dependent on the state of the radio and what it's going to tell the system, which is really a limited set of messages ("I'm here" or "I'm leaving"). The system is only going to know the radio is on the system, switched sites or leaves. One of the traits security tools can use to identify more than one radio ID being assigned is through analyzing where a radio affiliates in reference which sites and how often.
 
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