System ID Hex

[bbeam]

I'm confused about the use of FFF in the System ID(Hex) field versus using 1FC for example?

I've read the definition:
P25 Trunking System

• Definition
  Selects (in hex format) the identification number of the P25 Trunking System on which this radio normally operates. The System ID can be set to 'FFF' which means radio can automatically search and match a appropriate System ID to use.

I have three sites programmed. Does FFF mean the radio will automatically seek the site with the strongest signal and lock on that site and 1FC gives the radio a priority of which site to use?

Thanks in advance for your assistance!

Bryan

 

[trumpetman]

FFF will lock onto any system ID. If you specify the system ID then the pager will only lock onto the system ID you specify. If you do a control channel spectrum search of 851-861 and have FFF the pager will stop on any system (as long as the WACN & site #s match or are a wildcard). This feature is handy if you just want to search for a potential new system with an unknown system ID or in a case like large Harris P25 systems (Duke Energy & American Electric Power) that have several different system IDs but a common WACN.

 

[GTR8000]

Assuming you're referring to the VIPER system, then 1FC is the System ID for the entire system, not any one particular site. So in this case the answer is no, using FFF vs 1FC won't make any difference. In fact, using the wildcard may wind up making it less efficient, so always use the correct SysID and WACN when possible.

As far as how the device determines which site to use, I'll leave that up to those better acquainted with the functionality of the G series pagers to answer.

 

[w2lie]

There is a site ID in the site information table. You can wild card that out the same way you wild card out a system. Keep in mind that the site id's are HEX in the pager and not decimal. Don't make the same mistake I made and try to connect to site 15 instead of site F on your pager. It will show out of range