librenms-librenms/includes/polling/os/avocent.inc.php

<?php

if (strstr($poll_device['sysDescr'], 'AlterPath')) {
    list($hardware, $version) = explode('-', trim(str_replace('version:', '', (str_replace('V_', '', $poll_device['sysDescr'])))), 2);
    $hardware                 = trim($hardware);
    $version                  = trim($version);
    $features                 = trim(str_replace('#1', '', $version));
}