4.6 Connecting the power cord (AC PSU)
CAUTION
The server automatically adjusts to a mains voltage in the range from
100
V - 240 V.
â–¶
You may only operate the server if its rated voltage range
corresponds to the local mains voltage.
â–¶
Connect the power cord to the PSU.
â–¶
Connect the main plug to an power outlet of the rack socket strip.
To provide true phase redundancy, the second PSU should be
connected to a dif
ferent AC power source from the other PSU. If one
AC power source should fail, the server will still continue to run.
â–¶
Ensure that the status indicator on the PSU is lit green, see "Indicator on
hot-plug PSU" on page
429.
It will take about 60 seconds until the server can be powered on.
Using the hook-and-loop-tape
Y
ou can secure the power cord with a hook-and-loop-tape to ensure that the
power cord cannot be disconnected from the server by mistake. The hook-and-
loop-tape is included in the accessories pack that is delivered together with the
server.
Basic hardware procedures
58 Upgrade and Maintenance Manual RX4770 M5
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