127Accessories for the M3900 Series telephonesAccessories for the M3900 Series telephonesOptional items are available for use with your M3900 Series Digital telephone.Please contact your System Administrator for additional details.Note: Wall attachment is available for all four models.Accessory Connection Module (ACM)The Accessory Connection Module (ACM) provides the interface for adding theAnalog Terminal Adapter, External Alerter and Recorder Interface, ComputerTelephony Integration Adapter, and Personal Directory PC Utility Cartridge. TheACM is available for the M3902, M3903 and M3904.Analog Terminal Adapter (ATA)The Analog Terminal Adapter (ATA) allows you to connect an analog device suchas a modem or fax machine to your telephone. The ATA is available for theM3902, M3903, and M3904 models.Computer Telephony Integration Adapter (CTIA)The Computer Telephony Integration Adapter (CTIA) provides an interfacebetween M3900 Series telephones (M3902, M3903, and M3904) and your PCfor first party call control applications. The CTIA also functions as a PersonalDirectory PC Utility Cartridge when used with the optional Personal Directory PCUtility software. This accessory is not supported on the Meridian SL-100.Display-based Expansion ModuleThe Display-based Expansion Module provides additional line (DN) or featurekeys for the M3904. The Display-based Expansion Module has eight keys onthree different layers for a total of 24 additional line (DN) or feature keys. Thethree layers are accessed through the use of a “page” key. The M3904 willsupport one Display-based Expansion Module.External Alerter and Recorder InterfaceThe External Alerter and Recorder Interface lets you connect a remote ringer toyour telephone. The External Alerter and Recorder interface is available for theM3902, M3903, and M3904 models.
