3Com Legacy Link Analog Card 165information on the number of Legacy Link cards supported by an NBXsystem.■ The maximum loop length is 1000ft (300m).■ Handsets connected to the card can be configured through the ButtonMappings page of the NBX NetSet utility. You can configure eachphone individually, but 3Com recommends that you use theTelephone Groups option within the NBX NetSet utility to define agroup with specific button mappings for each telephone type, whichcan then be used for any number of phones.■ The Meridian Handset Overview document is available from the 3Comweb site.■ Quick reference cards are supplied with the 3Com Legacy Link forMeridian card. Please replace the existing Meridian Quick ReferenceCards (situated under the handset on the Meridian phone) with thenew 3Com IP Gateway Quick Reference Cards provided.■ Templates for Meridian Key Cap Labels and Meridian Phone QuickReference Cards can be obtained at www.desi.com.■ The 3Com Legacy Link cards do not support compression. Voice trafficbetween a legacy handset and an NBX device that supportscompression will be uncompressed.■ The supported Meridian handsets are the M2006, M2008, M2616,M3110, M3310, M3820, M3901, M3902, M3903, and M3804.■ When connected to the card, the Meridian handset reflects thefeatures and functionality of the NBX Business Telephone. For detailsof specific phone model features and capabilities, see the Legacy Linkfor Meridian Handset Compatibility and Overview.■ The Meridian phones are line-powered from the card through anexternal power source. No additional phone power is required.3Com Legacy LinkNorstar CardThe 3Com Legacy Link for Norstar card enables the an NBX system tosupport legacy Nortel Norstar handsets. Each Legacy Link for Norstar cardsupports up to 16 handsets. The card connects to the Norstar handsetsusing the existing telephone wiring, punchdown blocks, and connectors.Legacy Link Norstar Card Installation Notes■ Legacy Link Cards require NBX system software version R4.1.6 orhigher.
