AP20 Installation and Operating Guide Page 60AP20 Installation & Operating Guide Document # 9301H39200 Ver. 1.24.2.6 System InfoFrom the system Setup screen, touch the System Info button. The System Info screen is shown below.Menu (System) > System Setup > System InfoFigure 34. System Info Screen4.2.7 Version, Serial Number, and MAC address The yellow portion displays software version and build date, unit serial number, and MACaddress.4.2.8 System Monitor The pink portion displays the internal board temperatures. The blue portion displays board information such as board ID, Address, hardware revisionlevel, loader version, loader check-sum, firmware version, and firmware check-sum. The green portion displays the expected and actual bus voltages for each board. It is normalfor the actual level to vary slightly from the expected. The background color for theexpected and actual values will turn red should the actual voltage be out of the acceptablerange.