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Security for a Multi-Media System
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Last Valid Password
Tip
The scenarios described below are exceptional; they only apply when dealing with re-entry
of information in a site definition for used units.
Last valid system password
When your Multi-Media system administrator (Multi SA) adds a site definition, the “last valid
password” (LVP) entry for that site remains blank in your Multi central database (Multi db). When a
system password is added, this database entry is updated along with the unit. There are situations
where a discrepancy can occur between the system password held by a unit and the system
password entry in the Multi db. An LVP utility is available to resolve the discrepancy.
The LVP utility may need to be used if you:
• Obtain a “used” unit, from another organization’s Multi system. A Multi-Media unit may still be
protected by a system password. You may need to contact the other organization’s Multi SA.
- or -
• Delete a site definition, by mistake. The Multi-Media unit of a mistakenly deleted site definition is
(usually) protected by a system password. Please note that, if a site definition is deleted by
mistake, but no system password has been set, you can disregard using the LVP when re-
entering the site.
The LVP utility enters the last valid password (the password protecting the unit) in the Multi db.
Entering a site definition for an “other” unit
If you have obtained a unit from another user and you suspect that the system password on that
unit was not removed, use the next procedure.
If A Used Unit Comes from Another Multi System
1. Create a site definition (see Naming / Renaming a Site on p. 24).
2. Use View to run a
Maintenance Session. If an error message is produced, contact the
previous owner to obtain the unit’s system password on the previous owner’s system.
3. Having obtained that password, use Admin to update your site definition.
4. Click LVP (last valid password). A Match the Password at Unit dialog box appears. See
figure 10–6, below.
5. Type the password obtained from the previous owner. For clarity, figure
10–6 shows a one-
character password; Honeywell does not recommend using one-character passwords.
6. Confirm the password.
7. Click Save and Close.
8. Using View, start a
Maintenance Session, to register the site.
Failure to run a Maintenance Session
If the site cannot be accessed, you have either:
• Obtained an incorrect system password from the unit’s previous Multi SA/owner.
• Incorrectly typed the password in the LVP utility.
• A Maintenance Session is being run by another user. Try to run a Live Session instead.