librenms-librenms/includes/discovery/processors/fiberhome.inc.php

<?php
/**
 * Management Card(s) CPU usage
 */
if ($device['os'] == 'fiberhome') {
    /*
     * Check if Card is installed
     */
    $card1Status = snmp_get($device, 'mgrCardWorkStatus.9', '-Ovq', 'GEPON-OLT-COMMON-MIB');
    $card2Status = snmp_get($device, 'mgrCardWorkStatus.10', '-Ovq', 'GEPON-OLT-COMMON-MIB');
    if ($card1Status == '1') {
        $usage = snmp_get($device, 'mgrCardCpuUtil.9', '-Ovq', 'GEPON-OLT-COMMON-MIB');
        discover_processor($valid['processor'], $device, '1.3.6.1.4.1.5875.800.3.9.8.1.1.5.9', '0', 'fiberhome', 'Hswa 9 Processor', '100', ($usage / 100), null, null);
    };
    if ($card2Status == '1') {
        $usage = snmp_get($device, 'mgrCardCpuUtil.10', '-Ovq', 'GEPON-OLT-COMMON-MIB');
        discover_processor($valid['processor'], $device, '1.3.6.1.4.1.5875.800.3.9.8.1.1.5.10', '1', 'fiberhome', 'Hswa 10 Processor', '100', ($usage / 100), null, null);
    };
}