ZyXEL ISG50-PSTN User Guide - Page 36

Chapter 1 Introducing the ISG50 Always use Maintenance > Shutdown > Shutdown or the shutdown command before you turn off the ISG50 or remove the power. Not doing so can cause the firmware to become corrupt. Table 3 Starting and Stopping the ISG50 METHOD DESCRIPTION Turning on the power A cold start occurs when you turn on the power to the ISG50. The ISG50 powers up, checks the hardware, and starts the system processes. Rebooting the ISG50 A warm start (without powering down and powering up again) occurs when you use the Reboot button in the Reboot screen or when you use the reboot command. The ISG50 writes all cached data to the local storage, stops the system processes, and then does a warm start. Using the RESET button If you press the RESET button, the ISG50 sets the configuration to its default values and then reboots. Clicking Maintenance > Shutdown > Shutdown or using the shutdown command Clicking Maintenance > Shutdown > Shutdown or using the shutdown command writes all cached data to the local storage and stops the system processes. Wait for the device to shut down and then manually turn off or remove the power. It does not turn off the power. Disconnecting the power Power off occurs when you turn off the power to the ISG50. The ISG50 simply turns off. It does not stop the system processes or write cached data to local storage. The ISG50 does not stop or start the system processes when you apply configuration files or run shell scripts although you may temporarily lose access to network resources. 36 ISG50 User's Guide