Telephone Troubleshooting 355
Figure 26 Local User Interface (LUI) Controls on the NBX 2101 Basic Telephone
1 Display panel.
2 Soft buttons. The left and right buttons move the cursor left or right. The
middle button is not used.
3 Key pad for selecting LUI menu items or entering numeric characters.
4 Access buttons AB1-AB3 for selecting LUI menu items. When you enter a
MAC address, you use AB1-AB3 to enter hex digits A-C.
5 Hold button. When you enter a MAC address, you use Hold to enter hex
digit D.
6 Volume buttons. When you enter a MAC address, you use Volume Down
and Volume Up to enter hex digits E and F.
7 MSG (voice mail message) button. You use the MSG button to start and
stop the LUI utility.
8 Scroll buttons to move through the LUI utility menu.
NBX Test Menu
Scroll--Options
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