librenms-librenms/includes/discovery/sensors/temperatures/zyxel-ies.inc.php

<?php

if ($device['os'] == 'ies') {
    echo 'ZyXEL IES ';

    $oids = array();

    $oids = snmpwalk_cache_multi_oid($device, 'accessSwitchSysTempCurValue', $oids, 'ZYXEL-AS-MIB');
    $oids = snmpwalk_cache_multi_oid($device, 'accessSwitchSysTempHighThresh', $oids, 'ZYXEL-AS-MIB');

    if (is_array($oids)) {
        foreach ($oids as $index => $entry) {
            $entPhysicalIndex = $index;
            $descr            = trim(snmp_get($device, 'accessSwitchSysTempDescr.'.$index, '-Oqv', 'ZYXEL-AS-MIB'), '"');
            $oid              = '.1.3.6.1.4.1.890.1.5.1.1.6.1.2.'.$index;
            $current          = $entry['accessSwitchSysTempCurValue'];
            $divisor          = '1';
            discover_sensor(
                $valid['sensor'],
                'temperature',
                $device,
                $oid,
                $index,
                'zyxel-ies',
                $descr,
                '1',
                '1',
                null,
                $entry['accessSwitchSysTempHighThresh'],
                null,
                null,
                $current
            );
        }
    }
}