primary key
+=item providernum
+
+Provider (see L<FS::cable_provider>)
+
+=item ordernum
+
+Provider order number
+
+=item modelnum
+
+Cable device model (see L<FS::cable_model>)
+
+=item serialnum
+
+Cable device serial number
+
+=item mac_addr
+
+Cable device MAC address
+
=back
=head1 METHODS
if ( $self->serialnum ) {
my @dup_serial;
- @dup_serial = $self->find_duplicates('global', 'serialnum');
+ @dup_serial = $self->find_duplicates('global', 'modelnum', 'serialnum');
if ( @dup_serial ) {
return "Serial number in use (svcnum ".$dup_serial[0]->svcnum.")";
}