COMSPHERE ā48 Vdc Central Office Power UnitIndex-2 October 2002 3000-A2-GB41-50E EIA-232 interface, connecting NMS adapter cable, 2-19enhanced support services, 1-6environment, 1-4equipmentservice, 1-5support, 1-5warranty, 1-5F features, 1-2H heat dissipation, 1-4heightair filter, 1-4CO power unit, 1-4power module, 1-4humidity, 1-4I Independent mode, 1-2, 2-2strap settings, 2-7using one power source, two cables, 2-15using two power sources, 2-14indicators, 3-1LED status, 3-1inputs, dc, A-1installation, 2-1air filterand brackets, 2-21brackets, 2-22CO power unit, 2-4, 2-9, 2-10considerations, 2-1Basic mode, 2-1Independent mode, 2-2Redundant mode, 2-3SDCP, 2-16second power module, 2-4, 2-5instructions, power module replacement, 3-3J jumpers, 2-18L LED status indicators, 3-1M maintenance, 3-1preventative, 3-4modeBasic, 1-2Independent, 1-2Redundant, 1-2N NMSadapter cable, A-6connecting, 2-19, 2-20pin assignments, A-5alarm outputs, A-5O one power source, 2-12operating temperature, 1-4option strapslocationon backplane, 2-6on power module, 2-7setting, 2-6out of warranty, 1-6outputsalarm system, A-4pin assignments, A-4NMS alarm, A-5