162 TelephonesLine Peripheral Module telephonesFigure 74 "Line Peripheral Module telephones network configuration" (page162) shows the sets that work off an a DMS-based Line Peripheral Module.Figure 74Line Peripheral Module telephones network configurationSupported Line Peripheral Module telephones can be broken down intothe following families:• "Meridian Business Sets" (page 176)• "Additional analog sets" (page 179)M3900 Series Digital TelephonesThe Nortel M3900 Series Digital Telephones include five digital telephonesfor use on Meridian SL-100s. This portfolio establishes a standard for adisplay-based user interface, enhancing the users’ experience with a widechoice of features and capabilities.The M3900 series offers a full range of features that can significantlyenhance day-to-day productivity. The portfolio also includes a full range ofaccessories, providing the flexibility to add new features and capabilitieseasily and cost-effectively. Both the telephones and accessories areavailable in two colors: dark charcoal and platinum.Directory services makes calling easier and finding numbers faster.Ultra-large displays on the M3904 and M3905 deliver the best in classdisplay-based interface. The Smart Mute feature ensures that calls aremuted regardless if the user is on their handset, headset or handsfree,which ensures privacy when needed. User-friendly options such asCommunication Server 2100Meridian SL-100 Product Guide555-4001-103 20.01 StandardSE09 20 October 2006Copyright © 2006, Nortel Networks Nortel Networks Confidential.