1010-1Edition OneXC1000 ServiceCOMPONENT DESCRIPTIONS10.1 OVERVIEWThe XC1000 multiple-applications platform was designed specifically for thecustomer-premise equipment (CPE) market. Each XC1000 platform provides48 to 72 ports on a single platform or up to 144 ports on a dual-cabinetplatform and the capacity for up to 30,000 mailboxes. A XC1000 cansupport up to 672 message-hours.Figure 10-1 shows the front view and Figure 10-2 shows the rear view of adual-cabinet XC1000. The major components of the XC1000 are the logiccards, the disk drives, the power system, and the system-interconnectionhardware. Optional features are described in Chapter Eleven.1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 17 1816 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 35 3634CABINET 1 CABINET 2CIRCUIT BREAKERS+5-VDC POWERSUPPLY+5-VDC REDUNDANTPOWER SUPPLY–48-VDC POWERCONTROL ASSEMBLY+12-VDC POWERSUPPLY+12-VDC REDUNDANTPOWER SUPPLYLOGIC BAYSLOGIC-BAYCOOLINGFANSSYSTEM DRIVEMODULESMESSAGE DRIVEMODULESNOTUSEDUSED FORUPGRADES ANDMAINTENANCEFigure 10-1. Front View of Dual-Cabinet XC1000 Showing Major Components.
