5. Installation System Manual
Page 2-64 8/09 76.7300FP11/2, Rev A
__ 11. Connect power by either switching on or reinserting the fuses from the
source. The power supply has been connected correctly when the
green LED on the PSU lights (either constantly or flashes).
__ 12. If a redundant PSU is installed, repeat steps 4, page 2-63 through 11,
page 2-64 for the second PSU. For more information on redundancy
options for the Tellabs 7345 Switch, refer to PSU Redundancy Options
(Tellabs 7345 Switch only), page 2-64.
PSU Redundancy Options
(Tellabs 7345 Switch only)
5.52 The dual -48/60V input Power module supports both the 1+1 operation
mode (no power sharing for the external inputs) and the power sharing mode (for
the external inputs). The mode selection is done by configuration of the cables to
the external power inputs. Refer to Figure 5.19, page 2-64.
Figure 5.19 PSU Module Configurations
UB1
UB2
UB1
UB2
Single PSU module configuration
Dual PSU module configuration
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