Upgrade procedures 231"Assign ACD DNs" (page 48); if your system is a CS 2100 orMeridian SL-100 see "Single-card configuration" (page 55).Note: This DN should be forwarded to the ICB card mainACD DN.3 Access the ICB Installation Wizard and perform the following (see"Step 2 - Access Numbers" (page 78)):a. Click on the first radio button for the single DN access method.b. Enter the new single-access DN.c. Click on the Submit & Continue button.The new single DN access method now applies.4 Instruct users to dial the single DN for future conferences.Note: Make sure the notification e-mail content is still valid.—End—Upgrade from a stand-alone to a dual-card ICBThis section describes how to upgrade an ICB Release 4 card operating asa stand-alone ICB to be either the primary or secondary card in a dual-cardconfiguration.The main issue to consider is the DN pairs: a single card can have up to10 DN pairs, whereas a dual card can have only nine DN pairs, plus thedual-card meetings DN.When upgrading or configuring a dual-card ICB Release 4 configuration,the secondary card must be configured before the primary card. Therefore,Procedure 49 "Stand-alone card to secondary card" (page 231) must beperformed before Procedure 50 "Stand-alone card to primary card" (page232).Procedure 49Stand-alone card to secondary cardStep Action1 Access the ICB Installation Wizard: Step 1 - Basic Card Settingswindow (see "Step 1 - Basic Card Settings" (page 75)). In the "Type"field, select the radio button "Dual Card - Secondary."2 Click the Submit & Continue button.Nortel Communication Server 1000/Communication Server 2100 Solution/Meridian SL-100Nortel Integrated Conference Bridge: Service Implementation FundamentalsNN43001-558/555-4001-135 01.02 StandardICB Release 4 20 June 2007Copyright © 2007, Nortel Networks.