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

<?php

$rrd_filename = get_port_rrdfile_path($device['hostname'], $port['port_id'], 'adsl');

$rrd_list[0]['filename'] = $rrd_filename;
$rrd_list[0]['descr']    = 'Downstream';
$rrd_list[0]['ds']       = 'AtucCurrSnrMgn';

$rrd_list[1]['filename'] = $rrd_filename;
$rrd_list[1]['descr']    = 'Upstream';
$rrd_list[1]['ds']       = 'AturCurrSnrMgn';

$unit_text = 'dB';

$units       = '';
$total_units = '';
$colours     = 'mixed';

$scale_min = '0';

$nototal = 1;

if ($rrd_list) {
    include 'includes/html/graphs/generic_multi_line.inc.php';
}