ADTRAN 1200051L6 - Manual (Page 87)

61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 73
Chapter 9
Security and Remote Configuration
SECURITY
The ISU 2x64 provides a front panel keypad locking feature to pre-
vent tampering with configuration settings. The feature requires
a password to access menus below the top Current-Status menu
level. The menu options are shown in Figure 9-1.
Figure 9-1
Security Menu Tree
When the front panel keypad is locked, only the top menu is avail-
able on the LCD display. The LCD can be toggled between DTE1
and DTE2 current status displays with the cursor keys. Any key
other than a cursor key prompts the user for a password. If the en-
tered password matches the stored password, the LCD displays a
brief message indicating that the front panel is active and the con-
figuration menus will be displayed as normal. After configura-
tion is complete, the users must re-enable front panel locking by
selecting 2=Lock Keypad in the Security menu. If the entered
3=CONFIG
1=Netw. options
2=DTE options
3=Protocol
4=Quick setup
5=Security
6=Remote Config
1=Set Password Password < >
2=Lock Keypad Password Required