System main window 233Access Server Administrators’ Reference Guide 20 • SystemSuper User Password (boxSnmpMasterPassword)This displays the super user password for SNMP and HTTP.User Password (boxSnmpMonitorPassword)This displays the user monitoring password for SNMP and HTTP.Web Page Refresh Rate (boxWebRefreshRate)The rate at which the main dial-in web page automatically refreshes. The refresh rate can be set from 5 secondsto 5 minutes. The default is to never refresh.ManufacturerThis portion of the System main window contains information described in the following sections (seefigure 94 on page 232).Serial Number (boxManufactureDatecode)The datecode of manufacture and serial number.PCB Revision (boxManufacturePcbRevision)The revision of the printed circuit board. The revision displayed will be a number, whereas the revision printedon the ciruit board will be a letter. A display of 0 (zero) indicates that the circuit board is revision A. A displayof 1 corresponds to a revision B circuit board, and so on.General Information (boxManufactureGeneralInfo)A manufacturing notes area for additional information.Message BlocksThis portion of the System main window contains information described in the following sections (seefigure 94 on page 232).Packet Holding Message Blocks...Buffer usage of access server message blocks based upon message block sizes.Total (boxMsgBlksConfigured)The total number of message blocks on the system.Free (boxMsgBlksFree)The number of free message blocks available.Total Time Waited (boxCountMsgBlkTaskWait)The number of times a CPU task had to wait for a message block.Total Times Unavailable (boxCountMsgBlkUnavailable)The number of times a message block was unavailable.