Nortel 1120E User Manual page 18

Controls and settings
Table 2 shows the display diagnostic operation on the IP Phones and the
Expansion Module.
Table 2: Display diagnostic operation on the IP Phone and the
Expansion Module
Diagnostic step
initial screen
Full Contrast
LED Test
Character Test
18
IP Phone DN/feature
key display area
blank
set to highest contrast
blank
Characters display
across the display
areas, the telephone
on-hook icon is
displayed.
Expansion Module for
IP Phone 1100 Series
area display
blank
set to highest contrast
blank
Characters display
across the display areas,
the telephone on-hook
icon is displayed.