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

<?php

if (strpos($device['sysDescr'], 'olive')) {
    $hardware = 'Olive';
    $serial   = '';
} else {
    $junose_hardware = snmp_get($device, 'sysObjectID.0', '-Ovqs', '+Juniper-Products-MIB', 'junose');
    $junose_version  = snmp_get($device, 'juniSystemSwVersion.0', '-Ovqs', '+Juniper-System-MIB', 'junose');
    $junose_serial   = '';

    $hardware = 'Juniper '.rewrite_junose_hardware($junose_hardware);
}

list($version)   = explode(' ', $junose_version);
list(,$version)  = explode('(', $version);
list($features)  = explode(']', $junose_version);
list(,$features) = explode('[', $features);