XN120 SystemXN120 Getting Started Guide 5System Connection DiagramOptional Items008 Expansion Card8 Extension portsInstalled onto the main board in the XN120 unit.308 Expansion card3 Exchange lines + 8 Extension portsInstalled onto the main board in the XN120 unit.2PGDU CardInstalled onto the main board in the XN120 unit.For 2 door unit and 2 external page amplifiers,external MOH inputs, or audio input/output.2 Relay contacts available that can be assigned toany of the door units or audio ports.DSPDBVoice Mail and Voice response unit.EXIFU CardFor adding expansion cabinets, Call Logging, Ethernetconnection and CF card slot.There is also an EXIFU card with only Call Logging.Installed onto the main board in the XN120 unit.2OPBOXFor ISDN BRIU cards.2 slots available per unit.Plugs onto the right side of the XN120 unit.BRIU CardISDN Basic Rate cards (2 or 4 circuits available) canbe installed in the 2OPBOX.XN120 Expansion cabinetFor more lines, stations and BRI.Provides the same card capacity as the main cabinet.Each expansion cabinet requires a dedicated powercable.Connected to the EXIFU card in the Main XN120 unitvia an RJ45 cable.64 Button DSS consoleProvides 64 programmable keys and 14 fixed featurekeys.Gives operator type functionality.24 Button Add On consoleProvides 24 additional function keys for the XN120Vision phones.Up to 8 telephones.XN120 System phones, DSSconsole and Normal phonesincluding FAX machines &cordlessUp to 3 exchangelinesXN120 UnitExternalmusic input&ExternalPagingoutputPowercable