Nortel 2001 Installation And Operation Manual page 172

Page 172 of 430
Features
553-3001-368 Standard 7.00
IP Phone Key Expansion Module (KEM)
Note: The IP Phone 2004 can also have up to 48 additional line/feature
keys using the Shift key functionality and one IP Phone KEM. With two
IP Phone KEMs connected, the Shift key functionality does not affect
the IP Phone KEMs since the maximum number of line/feature keys is
already available. The IP Phone 2002 does not support Shift key
functionality.
Figure 16
IP Phone 2002 with one IP Phone KEM attached
The IP Phone KEM has the following features:
• 12 keys on each side of an LCD provide up to 24 additional self-labeled
line/feature keys. Using the Shift key functionality, an IP Phone 2004
can have up to 48 additional logical line/feature keys.
August 2005