Lenovo ThinkServer RD220 3797 Series Installation And User Manual page 16

This server is suitable for use on an IT power-distribution system whose maximum
phase-to-phase voltage is 240 V under any distribution fault condition.
Important: This product is not suitable for use with visual display workplace
devices according to Clause 2 of the German Ordinance for Work with Visual
Display Units.
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ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Installation and User Guide