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Figures 3-11 through 3-13 show how to connect power
cables for Basic mode, Independent mode, or Redundant
mode. See the COMSPHERE – 48 Vdc Central Office
Figure 3-11. Using One Power Source and One Input Power Cable for
3981-A2-GN31-20
Power Unit Installation Guide for detailed information
about the different modes.
AMP
Connectors
–48 Vdc B
Basic (shown) or Redundant Mode
November 1996
–48 Vdc A
Ground Return
Optional
Fuse
–48V GRD
–48 Vdc Power
Source A
496-13755-01
3000 Series Carrier Installation
3-11
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