Cisco 4948 - Catalyst Switch Installationsanleitung PDF herunterladen (Seite 42)

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Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide

OL-21561-02

Chapter 2 Preparing for Installation

Site Preparation Checklist

Ta b l e 2-2 Site Planning Checklist

Task No. Planning Activity Verified By Time Date

1 Space evaluation:

• Space and layout

• Floor covering

• Impact and vibration

• Lighting

• Maintenance access

2 Environmental evaluation:

• Ambient temperature

• Humidity

• Altitude

• Atmospheric contamination

• Airflow

3 Power evaluation:

• Input power type

• Power receptacles (Depends on power supply)

• Receptacle proximity to the equipment

• Dedicated (separate) circuits for redundant

power supplies

• UPS for power failures

• DC systems: Proper gauge wire and lugs

1. Verify that each power supply installed in the chassis has a dedicated AC source or DC source circuit.

2. Refer to the power supply’s kVA rating as a sizing criteria in determining the output required by the UPS. The power supply’s

kVA rating value is listed in the specifications table for each power supply in Appendix A.

4 Grounding evaluation:

• Circuit breaker size

• CO ground (AC- and DC-powered systems)

5 Cable and interface equipment evaluation:

• Cable type

• Connector type

• Cable distance limitations

• Interface equipment (transceivers)

6 EMI evaluation:

• Distance limitations for signaling

• Site wiring

• RFI levels

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Cisco 4948 - Catalyst Switch Installationsanleitung Seite 42