I have given the following commands to configure xbee3 as an end device
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ATSM1
ATCE0
ATID1234
ATWR
ATSC7FFF
ATWR
ATDH0013A200
ATDL417AD1E3
ATBD7
ATJV1
ATAC
ATWR
ATCN
How long are you holding the sleep pin high to wake the module and keep it awake?