Upgrade Examples8 ◆ Upgrading Upgrading DS2000 to DSX-80/160Site 2: Upgrade DS2000 8x24 with UltraMail to DSX-80 8x24 and IntraMailSite 2 wants the features of the DSX IntraMail but doesn’t want to invest in new telephones.Existing DS2000 Equipment Upgrade Requirements for DSXDescription Part Number Description Part Number Comments(1) DS 8ATRU PCB 80011B Compatible - replacement not required. DSX 16COIU PCBs providemore accurate Caller ID detec-tion.(2) DS 16DSTU PCB 80021A Compatible - but only 1 DS 16DSTU canbe installed in the new DSX system.DX requires a 16ESIU in slot 1.Load Factor allows only 1 DS16DSTU to be installed. 8 DStelephones must be replaced.(24) DS 22-Button Dis-play Telephone80573 Compatible - but only 16 DS telephonescan be used in the new DSX system.With only 1 DS 16DSTU allowed,8 DS telephones must be replacedwith DSX telephones.(1) DS 4-Slot KSU 80000 Must be replaced. DS KSUs are prohibited by FCCin DSX.(1) DS Power Supply 80005C Must be replaced. DS power supplies are prohib-ited by FCC in DSX.(1) DS CPU 80025B Must be replaced. The DS CPU is not compatiblewith DSX.(1) 2 Port 3 HourUltraMail17712 Must be replaced. UltraMail not supported in DFXand Site 1 wants IntraMail.(1) DSX-80 KSU 1090002 Required in DSX.(1) DSX Power Supply 1091008 Required in DSX.(1) DSX CPU Card 1090010 Required in DSX.(1) DSX 4x8 IntraMail 1091011 IntraMail CompactFlash Cardplugs into DSX CPU.(1) DSX 16ESIU Card 1090004 • Required in DSX.• DSX 16ESIU is required inslot 1 for DSX telephones.(8) DSX 22-ButtonButton Display Tele-phone1090020(Black) or1090025(White)Eight of the existing DS tele-phones must be replaced becauseonly 1 DS 16DSTU remainsinstalled.Summary:• To upgrade, Site 2 must invest in a new DSX-80 KSU, DSX Power Supply, DSX CPU Card, DSX 4x8 IntraMail, and a DSX16ESIU PCB.• Site 2 must also add eight new DSX telephones. This is required because only one DS DSTU PCB remains, supporting16 DS telephones.• Site 2 can alternately do the following:- Replace the DSX-80 4-Slot KSU with and DSX-160 8-Slot KSU.- Purchase another DSX Power Supply (due to Load Factor considerations).- Install the 16DSTU PCBs in the new DSX KSU for connecting their existing DS keysets.- Purchase a single DSX 22-Button Display Telephone for programming, and connect it to the DSX 16ESIU PCB.New DSX EquipmentRequired