Cisco 4948 - Catalyst Switch Guide d'installation télécharger pdf (Page 68)

4-4

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

OL-21561-02

Chapter 4 Removal and Replacement Procedures

Removing and Installing the DC-Input Power Supply

Figure 4-1 Removing the DC-Input Power Supply

1 Detach the power leads from the terminal block in the

following order:

• (+) positive

• (–) negative

• Ground

2 Loosen captive installation screw

INPUT

OK

OUTPUT

OK

PWR - C49-300DC

-48 To -60VAC

8A

+

-

+

-

INPUT

OK

OUTPUT

OK

PWR - C49-300DC

-48 To -60VAC

8A

278171

+

-

INPUT

OK

OUTPUT

OK

PWR - C49-300DC

-48 To -60VAC

8A

INPUT

OK

OUTPUT

OK

PWR - C49-300DC

-48 To -60VAC

8A

+

-

1

2

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