Key-based Expansion Module Accessory (KBA) 853 If using the RJ12 jack, make sure that the modular cord containssix wires. If using the 2.5 mm or 3.5 mm jacks, make sure thatthe plugs are fully inserted.--End--Key-based Expansion Module Accessory (KBA)The Key-based Expansion Module provides 22 additional keys for theM3904 and the M3905 telephones. You can add a second Key-basedExpansion Module, for a total of 44 additional line/feature keys (seeFigure 17 "Key-based Expansion Module" (page 85)). To install the KBA(NTMN37BA), you need to order the Key-based Expansion Module Kit 1(NTMN38AB), which includes the single KBA footstand assembly. If youadd a second KBA, you also need to order the Key-based ExpansionModule Kit 2 (NTMN38BA), which includes the expansion KBA footstandassembly.Figure 17Key-based Expansion ModuleNortel Communication Server 2100M3900 Series Meridian Digital Telephones User GuideNN42200-110 09.01 Standard20 August 2008Copyright © 2008 Nortel Networks.
