librenms-librenms/includes/html/graphs/port/poe.inc.php

<?php

$oids = array(
        'PortConsumption',
        'PortPwrAvailable',
        'PortPwrAllocated',
        'PortMaxPwrDrawn',
         );

$i            = 0;
$rrd_filename = get_port_rrdfile_path($device['hostname'], $port['port_id'], 'poe');

if (rrdtool_check_rrd_exists($rrd_filename)) {
    foreach ($oids as $oid) {
        $rrd_list[$i]['filename'] = $rrd_filename;
        $rrd_list[$i]['descr']    = substr($oid, 4);
        $rrd_list[$i]['ds']       = $oid;
        $i++;
    }
}

$colours    = 'mixed';
$nototal    = 1;
$unit_text  = 'W';
$divider = 1000;
$scale_min  = 0;

require 'includes/html/graphs/generic_v3_multiline_float.inc.php';