User Manual1. GPON properties 15www.qtech.ruOLT# zlog upload tftp 192.168.1.1114. When the command execution succeed, in the TFTP server folder, you can see diag.tar.gzcompressed package files, including unos.log and other diagnostic information.1.7.5. Configuration Saving and RestoreOLT supports the saving and restore of system configuration, saves the configuration of the systemin the main.conf folder, and saves it to the local computer and restore through TFTP. When theequipment is deployed or the system is upgraded, it is recommended that the configuration file besaved to the computer for emergency recovery.Upload Steps:1. Open the TFTP server locally, set up the corresponding work folder, and ensure that the localcomputer can access the OLT device via the IP address with the inside / outside management;2. When you implement backup of configuration commands, you need to enter the followingcommand in administrator mode. The configuration file will be uploaded to the workingfolder of the TFTP software settings, and the file name is main.conf;OLT#, TFTP, config, put, 192.168.1.111Note:192.168.1.111 is the IP address of the network card used to connect the OLT management port onthe computer.3. When you need to restore the configuration command, change the original configuration fileto main.conf and save it in the download folder of the TFTP server settings. The followingcommand restores the configuration file from the computer to the OLT.OLT # tftp config get 192.168.1.1111.7.6. View current configurationOLT supports to view the the configuration on the current equipment under any node.OLT# show running-configNote:the ONU sequence of all configurations is shown as the order of ONU authentication registration.1.8. OLT Software UpgradeUpgrade the OLT software in two ways, FTP and TFTP.The update steps are as follows:1. Connect the computer to the in-band / out-band management port of the OLT.