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3-453160-A2-GB21-50 January 1997
User Interface Access
Security for Standalone
DSU/CSUs
NOTE
This page of the manual is self-
supporting and can be removed to
prevent unwanted knowledge of the
security access levels and their
selection.
The user interface access security option allows you to
limit access to the DSU/CSU to display-only and
non-intrusive functions. The user access security
function is not available for carrier-mounted
DSU/CSUs.
Level 1 (Lvl1) access security allows access to all
functions available through the menu tree. This is the
default setting.
Level 2 (Lvl2) access security restricts access to only
those functions that cannot affect the operation of the
DSU/CSU in any way. At this level,
• None of the functions in the Test or Ctrl branches
are available.
• All functions on the Stat branch are available.
• All functions on the Cnfg branch are available for
display, but they cannot be used to save to a
configuration area.
You can only reach the screen that controls security
access using the front panel.
Changing User Interface Access Security
To change user interface access security,
1. Press the
key two times from the top-level
screen.
F1
DSU ESF
Stat Test Cnfig
F2
F3
2. Press the key three times.
F1
DSU ESF
Stat Test Cnfig
F2
F3
3. Press the key once.
F1
DSU ESF
Stat Test Cnfig
F2
F3
The Security screen appears.
F1
Security:
Lvl1 Lvl2
F2
F3
4. Press F1 to select Lvl1, or press F2 to select Lvl2.
After you make a selection, the top-level screen
appears.
If you do not make a selection within 5 minutes,
the Automatic Device Health/Status screen
appears.