Thecus N5500 User's Manual

4. Set the Date, Time, and Time Zone.5. Click Apply.In addition, if the N5500 is able to access the Internet and you want to keep the NTPServer clock.isc.org by default, please make sure the DNS Server is correctlyentered, thereby allowing the NTP Server name to correctly resolve. (See SystemNetwork > WAN > DNS Server)Dual DOM Supports for Dual ProtectionThe most advance and useful of N5500 is Dual DOM implemented. In the normalcircumstance, it has no need to have this feature involved. But with irresistiblecause like power cut or human error by accident occurred especially during systembooting stage, this will become the great feature to prevent system down time.Practically while it happened, system will try to recovery the DOM 1 from DOM 2 first.If it is unachievable then system can boot from DOM 2. And all of this procedure canbe operated by LCM.NOTEThe Dual DOM in DOM1 is default master and FW upgrading will onlyexecute in DOM1 unlike DOM2 is ‘Read only” initially.Any circumstance occurred, while DOM2 successes recover DOM1. TheFW will be version of DOM2. Therefore, it may need to upgrade to theversion of DOM1 it has.If DOM1 can not be recovery from DOM2, then system will boot up fromDOM2. The original configuration in DOM1 may need to setup again withDOM2 operation.118