Revision 12664: 00_HMUARTLGW.pm: don't try to send when device is not initialized
00_HMUARTLGW.pm: don't try to send when device is not initialized
Source: Revision 12664: 00_HMUARTLGW.pm: don't try to send when device is not initialized (http://svn.fhem.de/trac/changeset/12664/trunk)