function getSearchOptions()
{
$tab = array();
$tab['common'] = __('Characteristics');
$tab[1]['table'] = $this->getTable();
$tab[1]['field'] = 'name';
$tab[1]['name'] = __('Name');
$tab[1]['datatype'] = 'itemlink';
$tab[1]['massiveaction'] = false;
$tab[2]['table'] = $this->getTable();
$tab[2]['field'] = 'id';
$tab[2]['name'] = __('ID');
$tab[2]['massiveaction'] = false;
$tab[2]['datatype'] = 'number';
$tab += Location::getSearchOptionsToAdd();
$tab[4]['table'] = 'glpi_networkequipmenttypes';
$tab[4]['field'] = 'name';
$tab[4]['name'] = __('Type');
$tab[4]['datatype'] = 'dropdown';
$tab[40]['table'] = 'glpi_networkequipmentmodels';
$tab[40]['field'] = 'name';
$tab[40]['name'] = __('Model');
$tab[40]['datatype'] = 'dropdown';
$tab[31]['table'] = 'glpi_states';
$tab[31]['field'] = 'completename';
$tab[31]['name'] = __('Status');
$tab[31]['datatype'] = 'dropdown';
$tab[31]['condition'] = "`is_visible_networkequipment`";
$tab[5]['table'] = $this->getTable();
$tab[5]['field'] = 'serial';
$tab[5]['name'] = __('Serial number');
$tab[5]['datatype'] = 'string';
$tab[6]['table'] = $this->getTable();
$tab[6]['field'] = 'otherserial';
$tab[6]['name'] = __('Inventory number');
$tab[6]['datatype'] = 'string';
$tab[7]['table'] = $this->getTable();
$tab[7]['field'] = 'contact';
$tab[7]['name'] = __('Alternate username');
$tab[7]['datatype'] = 'string';
$tab[8]['table'] = $this->getTable();
$tab[8]['field'] = 'contact_num';
$tab[8]['name'] = __('Alternate username number');
$tab[8]['datatype'] = 'string';
$tab[70]['table'] = 'glpi_users';
$tab[70]['field'] = 'name';
$tab[70]['name'] = __('User');
$tab[70]['datatype'] = 'dropdown';
$tab[70]['right'] = 'all';
$tab[71]['table'] = 'glpi_groups';
$tab[71]['field'] = 'completename';
$tab[71]['name'] = __('Group');
$tab[71]['datatype'] = 'dropdown';
$tab[71]['condition'] = '`is_itemgroup`';
$tab[19]['table'] = $this->getTable();
$tab[19]['field'] = 'date_mod';
$tab[19]['name'] = __('Last update');
$tab[19]['datatype'] = 'datetime';
$tab[19]['massiveaction'] = false;
$tab[121]['table'] = $this->getTable();
$tab[121]['field'] = 'date_creation';
$tab[121]['name'] = __('Creation date');
$tab[121]['datatype'] = 'datetime';
$tab[121]['massiveaction'] = false;
$tab[16]['table'] = $this->getTable();
$tab[16]['field'] = 'comment';
$tab[16]['name'] = __('Comments');
$tab[16]['datatype'] = 'text';
$tab[11]['table'] = 'glpi_networkequipmentfirmwares';
$tab[11]['field'] = 'name';
$tab[11]['name'] = _n('Firmware', 'Firmwares', 1);
$tab[11]['datatype'] = 'dropdown';
$tab[14]['table'] = $this->getTable();
$tab[14]['field'] = 'ram';
$tab[14]['name'] = sprintf(__('%1$s (%2$s)'), __('Memory'), __('Mio'));
$tab[14]['datatype'] = 'number';
$tab[32]['table'] = 'glpi_networks';
$tab[32]['field'] = 'name';
$tab[32]['name'] = __('Network');
$tab[32]['datatype'] = 'dropdown';
$tab[33]['table'] = 'glpi_domains';
$tab[33]['field'] = 'name';
$tab[33]['name'] = __('Domain');
$tab[33]['datatype'] = 'dropdown';
$tab[23]['table'] = 'glpi_manufacturers';
$tab[23]['field'] = 'name';
$tab[23]['name'] = __('Manufacturer');
$tab[23]['datatype'] = 'dropdown';
$tab[24]['table'] = 'glpi_users';
$tab[24]['field'] = 'name';
$tab[24]['linkfield'] = 'users_id_tech';
$tab[24]['name'] = __('Technician in charge of the hardware');
$tab[24]['datatype'] = 'dropdown';
$tab[24]['right'] = 'own_ticket';
$tab[49]['table'] = 'glpi_groups';
$tab[49]['field'] = 'completename';
$tab[49]['linkfield'] = 'groups_id_tech';
$tab[49]['name'] = __('Group in charge of the hardware');
$tab[49]['condition'] = '`is_assign`';
$tab[49]['datatype'] = 'dropdown';
$tab[80]['table'] = 'glpi_entities';
$tab[80]['field'] = 'completename';
$tab[80]['name'] = __('Entity');
$tab[80]['massiveaction'] = false;
$tab[80]['datatype'] = 'dropdown';
$tab[86]['table'] = $this->getTable();
$tab[86]['field'] = 'is_recursive';
$tab[86]['name'] = __('Child entities');
$tab[86]['datatype'] = 'bool';
// add objectlock search options
$tab += ObjectLock::getSearchOptionsToAdd(get_class($this));
$tab += Notepad::getSearchOptionsToAdd();
return $tab;
}