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Installing the server Connecting and disconnecting cables
3.3 Connecting and disconnecting cables
V CAUTION!
The power plug must be pulled out!
Read the documentation for the external device before you connect it.
Never connect or disconnect cables during thunderstorms.
When disconnecting a cable, always grasp the plug. Never pull on the
cable!
Connect or disconnect cables in the order shown below.
Connecting cables
● All affected devices must be switched off.
● The power plug of all affected devices must be pulled from the socket.
● Attach all cables to the server and the storage subsystem. Mark the cables
and note what function each cable serves. Above all, observe the safety
notes in the chapter “Important notes” on page 11.
● Insert the power plugs into the grounded socket. Make sure that the power
cables of the devices are plugged in so that an even distribution of power to
the three phases (L1, L2, L3) in the rack is achieved (refer to the manual for
the 19-inch rack for more information).
● For devices with articulated cable guides, secure the cables to the articu-
lated cable guide with the cable ties.
Disconnecting cables
● Switch off all affected devices.
● Pull the power plugs of all affected devices out of the sockets.
● Disconnect all cables on the server and the storage subsystem.