TX140 S1 Upgrade and Maintenance Manual 135
Power supply
6.2 Converting a standard power supply to a
redundant power supply
The standard power supply can be replaced by a redundant power supply. The
redundant power supply consists of up to two PSU modules. The upgrade kit
contains only one PSUmodule (for power supply redundancy the second PSU
module must be additionally ordered).
The upgrade kit for the redundant power supply consists of the following parts:
– PSU cage with power distribution board (incl.power cables)
– one PSU module
– dummy cover (if only one power supply module is installed, you have to
install the dummy cover in the second bay)
– several screws
6.2.1 Required tools
● Preliminary and concluding steps: tool-less
● Converting a standard power supply to a redundant power supply:
– Phillips PH2 / (+) No. 2 screw driver
Field Replaceable Units (FRU)
Average task duration: 10 minutes
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