librenms-librenms/includes/discovery/sensors/current/netvision.inc.php

<?php

if ($device['os'] == 'netvision') {
    for ($i = 1; $i <= 3; $i++) {
        $current_oid = ".1.3.6.1.4.1.4555.1.1.1.1.3.3.1.3.$i";
        $descr       = "Input Phase $i";
        $current     = snmp_get($device, $current_oid, '-Oqv');
        $type        = 'netvision';
        $precision   = 1;
        $index       = $i;
        $lowlimit    = 0;
        $warnlimit   = null;
        $limit       = null;

        discover_sensor($valid['sensor'], 'current', $device, $current_oid, $index, $type, $descr, '10', '1', $lowlimit, null, null, null, $current);
    }

    for ($i = 1; $i <= 3; $i++) {
        $current_oid = ".1.3.6.1.4.1.4555.1.1.1.1.4.4.1.3.$i";
        $descr       = "Output Phase $i";
        $current     = snmp_get($device, $current_oid, '-Oqv');
        $type        = 'netvision';
        $precision   = 1;
        $index       = (100 + $i);
        $lowlimit    = 0;
        $warnlimit   = null;
        $limit       = null;

        discover_sensor($valid['sensor'], 'current', $device, $current_oid, $index, $type, $descr, '10', '1', $lowlimit, null, null, null, $current);
    }
}