Plan and Prepare the Site

Lay Out and Ensure Appropriate Power

1.Lay out and ensure appropriate power for switch cabinets and management terminal in equipment room.

2.Provide one power outlet per single-carrier cabinet.

3.Have an electrician check the commercial power and verify power is available and present.

Power Arrangements for AC Power

The following procedures apply to both the Processor Port Network (PPN) cabinet(s) and Expansion Port Networks (EPN) cabinet(s) (as provided), except where noted.

The following illustration shows a typical power and grounding layout, and the illustration after that shows the AC power receptacle requirements. The power circuit must be dedicated to the DEFINITY System Generic 3 only and must be on a separately current limited (fuse or circuit breaker) circuit. It must not be shared with other equipment and must not be under the control of a wall switch. The power supply for the Generic 3 Management Terminal (G3-MT), however, does not have to be dedicated

Locate and/or arrange the cross-connect field so all power receptacles are accessible.

2-6Issue 1 September 1995

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AT&T 555-230-894 manual Lay Out and Ensure Appropriate Power, Power Arrangements for AC Power