<?php
$rtups_data = snmp_get_multi_oid($device, 'deviceSerialNumber.0 deviceFirmwareVersion.0', '-OQs', 'CPQPOWER-MIB');

$serial  = $rtups_data['deviceSerialNumber.0'];
$version = $rtups_data['deviceFirmwareVersion.0'];

unset($rtups_data);
