librenms-librenms/includes/discovery/frequencies/mgeups.inc.php

<?php

// MGE UPS Frequencies
if ($device['os'] == 'mgeups') {
    echo 'MGE ';
    $oids = trim(snmp_walk($device, '1.3.6.1.4.1.705.1.7.1', '-OsqnU'));
    d_echo($oids."\n");

    $numPhase = count(explode("\n", $oids));
    for ($i = 1; $i <= $numPhase; $i++) {
    $freq_oid  = ".1.3.6.1.4.1.705.1.7.2.1.3.$i";
        $descr = 'Output';
        if ($numPhase > 1) {
            $descr .= " Phase $i";
        }

        $current = snmp_get($device, $freq_oid, '-Oqv');
        if (!$current) {
            $freq_oid .= '.0';
            $current   = snmp_get($device, $freq_oid, '-Oqv');
        }

        $current /= 10;
        $type     = 'mge-ups';
        $divisor  = 10;
        $index    = $i;
        discover_sensor($valid['sensor'], 'frequency', $device, $freq_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
    }

    $oids = trim(snmp_walk($device, '1.3.6.1.4.1.705.1.6.1', '-OsqnU'));
    d_echo($oids."\n");

    $numPhase = count(explode("\n", $oids));
    for ($i = 1; $i <= $numPhase; $i++) {
        $freq_oid = ".1.3.6.1.4.1.705.1.6.2.1.3.$i";
        $descr    = 'Input';
        if ($numPhase > 1) {
            $descr .= " Phase $i";
        }

        $current = snmp_get($device, $freq_oid, '-Oqv');
        if (!$current) {
            $freq_oid .= '.0';
            $current   = snmp_get($device, $freq_oid, '-Oqv');
        }

        $current /= 10;
        $type     = 'mge-ups';
        $divisor  = 10;
        $index    = (100 + $i);
        discover_sensor($valid['sensor'], 'frequency', $device, $freq_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
    }
}//end if