To get the amp’s hex ID, visit the Amplifier tab of the amp’s configuration page at http://ipOfAmp/config/machine.html. The hex ID is listed in parentheses in the information section. Alternatively, send 2FFF in a direct telnet session to that device. Expect AFFF<AMPID><LISTOFZONEIDS> back. For example:
TX: 2FFF
RX: AFFF123401020304
This amp’s ID is 1234