201IP Phone Key Expansion Module (KEM)Contents This section contains the following topics• "Description" (page 201)• "Features" (page 202)• "Display characteristics" (page 202)• "Key number assignments" (page 203)• "Package components" (page 203)• "Configuration" (page 203)• "Installation" (page 207)• "IP Phone KEM startup initialization" (page 208)• "Operating parameters" (page 209)Description The Nortel IP Phone Key Expansion Module (KEM) is a hardwarecomponent that connects to IP Phone 2002 and IP Phone 2004 andprovides additional line appearances and feature keys (see Figure 21 "IPPhone 2002 with one IP Phone KEM attached" (page 202)).Up to two IP Phone KEMs can be connected to an IP Phone 2002 or IPPhone 2004. With two IP Phone KEMs connected, the IP Phone can haveup to 48 additional line/feature keys.The IP Phone 2004 can also have up to 48 additional line/feature keys usingthe Shift key functionality and one IP Phone KEM. With two IP Phone KEMsconnected, the Shift key functionality does not affect the IP Phone KEMssince the maximum number of line/feature keys is already available. The IPPhone 2002 does not support Shift key functionality.Nortel Communication Server 1000IP Phones FundamentalsNN43001-368 02.01 StandardRelease 5.0 7 December 2007Copyright © 2003–2007, Nortel Networks.
