
5.0 Group Addresses
If the Network bridge is configured for two Networks to communicate to each other care should be
taken when programming the with regard to Group addresses.
The GA hexadecimal value is the description that is sent across a bridge; hence if two or more
Networks have the same GA and messages are passed, then loads will be controlled on another
Network when it is not required.
For example on the local Network there could be a load with a group description of Bathroom Light
with GA 01 and on the Far Network with a group description of Main Bedroom light with GA 01. If
someone walked into the Bathroom and turned on the Bathroom light the Main bedroom light would
also go on.
If Networks are configured to talk to each other essentially it is one single Network so the number of
unique GAs available is 255 on a single application.
Figure 16 - Group Address Selections
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