Ê Connect the mains plug to a grounded mains outlet in the in-house power
supply network or a power outlet of the rack socket strip (see also
"PRIMECENTER Rack System" assembly guide).
I To provide true phase redundancy, the power supplies should be
connected to different AC power sources from the other supply. If one
AC power source should fail, the server will still continue to run.
I It takes about 60 seconds until power-on becomes possible.
4.7 Switching on the server
V CAUTION!
● Before switching on the server, make sure the housing cover is
closed. In order to comply with applicable EMC regulations
(regulations on electromagnetic compatibility) and satisfy cooling
requirements, the PRIMERGY RX4770 M1 server must not run while
the housing cover is removed.
● After connecting all power cords, wait at least 60 seconds before
pressing the On / Off button.
● Follow the safety instructions in chapter "Important information" on
page 31.
Ê Press the On / Off button to start up the server.
Ê Perform the required procedures described in the concluding steps of each
upgrade or maintenance task.
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