5-6 B90 LOW IMPEDANCE BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUALPRODUCT SETUP CHAPTER 5: SETTINGS5• Password cannot contain the user account name or parts of the user account that exceed two consecutivecharacters• Password must be at least eight characters in length• Password must contain characters from all of the following categories:– English uppercase characters (A through Z)– English lowercase characters (a through z)– Base 10 digits (0 through 9)– Non-alphabetic characters (for example, ~, !, @, #, $,%, &)5.3.2.2 Password securitySETTINGS PRODUCT SETUP SECURITYThe B90 supports password entry from a local or remote connection.Local access is defined as access to settings or commands via the faceplate. This includes both keypad entry and theRS232 port. Remote access is defined as access to settings or commands via any rear communications port. This includesboth Ethernet and RS485 connections. Any change to the local or remote password enables this functionality.ACCESS LEVEL — The "Restricted" option means that settings and commands can be accessed, but there is no access tofactory configuration. Access automatically reverts to the Restricted level according to the access level timeout settingvalues. The access level is set to Restricted when control power is cycled.The "Factory Service" level is not available and intended for factory use only.There are two user security access levels, setting and command, for which you can set a password for each. Use of apassword for each level controls whether users can enter commands or change settings. Another option is to specifysetting and/or command access for individual user accounts.• Setting — Allows the user to make any changes to any of the setting values:– Changing any setting– Test mode operation• Command — Restricts the user from making any settings changes, but allows the user to perform the followingoperations:– Changing the state of virtual inputs– Clearing the event records– Clearing the oscillography records– Changing the date and time– Clearing the data logger– Clearing the user-programmable pushbutton states SECURITY ACCESS LEVEL:RestrictedRange: Restricted, Command, Setting,Factory Service (for factory use only) CHANGE LOCAL PASSWORDSSee page 5-7 CHANGE REMOTE PASSWORDSSee page 5-8 ACCESS SUPERVISIONSee page 5-8 DUAL PERMISSION SECURITY ACCESSSee page 5-9 PASSWORD ACCESSEVENTS: DisabledRange: Disabled, Enabled