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System power on

Connecting frame power

Attention: IBM service personnel: The task of using a meter and probes to take voltage

measurements on receptacles/outlets must be performed by a Qualied Electrical Worker (QEW)

or licensed electrician. In countries where IBM service personnel are not qualied to perform

this task, the IBM service person must notify the customer that they must arrange for a QEW (a

licensed electrician may be considered a QEW) to perform the receptacle testing.

Chapter 1. Safety inspection ENG-27

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IBM 3931 Specifications

General