User's Manual

184 Nortel IP Phones 1200 Series LCD Expansion Module
Phase Description
If the LCD Expansion Module display does not light up, or
lights up and then goes blank, or fails to begin flashing,
check that the LCD Expansion Module is correctly
installed and configured.
2
LCD Expansion Module
establishes communication
with the IP Phone
The LCD Expansion Module display flashes until it
establishes communication with the IP Phone.
If the LCD Expansion Module display does not stop
flashing, communication is not established with the IP
Phone. Check that the LCD Expansion Module is correctly
installed and configured.
The LCD Expansion Module contains pre-installed
firmware and cannot be upgraded from the phone or from
the CS 1000.
3
LCD Expansion Module
downloads key maps
The key labels download to the LCD Expansion Module.
During the download, the display is blank.
After the three phases complete successfully, you are ready to use
the additional self-labeled line programmable feature keys on the LCD
Expansion Module.
If you have a second, third, or fourth LCD Expansion Module installed on
your IP Phone, the one to the immediate right of the IP Phone must be
functional so that subsequent LCD Expansion Module to work. This is
necessary because the second LCD Expansion Module receives its power
and communicates with the IP Phone through the first LCD Expansion
Module; and the third LCD Expansion Module receives its power and
communicates with the IP Phone through the second LCD Expansion
Module; and the fourth LCD Expansion Module receives its power and
communicates with the IP Phone through the third LCD Expansion Module.
Operating parameters
If the LCD Expansion Module does not respond, and you configure lines
or features on keys 32 to 79, calls can be directed to those keys which
you cannot access. In this case, the IP Phone rings, but the call cannot be
answered. The incoming call receives Call Forward No Answer (CFNA)
treatment.
IP Phone 1220
The IP Phone 1220 does not support Second Page functionality.
Nortel Communication Server 1000
IP Phones Fundamentals
NN43001-368 05.06 30 April 2010
Copyright © 2003-2010 Nortel Networks. All Rights Reserved.
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