Das DVG_host_module stellt die Schnittstelle für einen Host mit entsprechenden Devices bereit:
public function device_datafile($device_id);
public function device_list($tab,$action);
public function device_name($device_id);
public function device_info($device_id);
public function device_count();
public function device_addlink();
public function device_add();
public function device_edit($device_id);
public function device_save();
public function device_detail($device_id,$action);
public function device_delete($device_id);
public function device_search($table,$searchterm,$limitsearch);
public function device_draw($device_id,$graph_type);
public function device_send_bar($device_id);
public function device_hostdraw($host_id,$action);
public function device_letter($device_id);
public function device_graphlink($id, $onlyurl = FALSE);