Cisco Systems WSC4500XF16SFP Manual de usuario descargar pdf (Pagina 122)

Chapter 4 Removing and Replacing FRUs

Removing and Replacing the Power Supply

4-6

Catalyst 4500 Series Switches Installation Guide

78-14409-08

Figure 4-6 Loosening the Side-Clamp Screw

Step 3 Disconnect the power cord from the power supply being removed.

Step 4 Loosen the two captive screws (see Figure 4-7).

Figure 4-7 Loosening the Captive Screws

79139

Captive screws

79140

1 2 ... 117 118 119 120 121 122 123 124 125 126 127 ... 193 194

Installation Guide 1
CONTENTS 5
Contents 6
5 Troubleshooting 5-1 8
A Specifications A-1 8
B Repacking a Switch B-1 8
Audience 9
Organization 9
Related Documentation 10
Conventions 11
Waarschuwing 13
Varoitus 13
Attention 14
Avvertenza 14
Advarsel 15
¡Advertencia! 15
Varning! 16
Obtaining Documentation 17
Product Documentation DVD 18
Ordering Documentation 18
Documentation Feedback 19
• 1 877 228-7302 20
• 1 408 525-6532 20
Submitting a Service Request 21
Product Overview 25
Catalyst 4503 Switch Features 26
Switch Features 27
Catalyst 4506 Switch Features 30
Supervisor Engines 42
• CONSOLE Port, page 1-26 48
• RESET Button, page 1-26 48
Gigabit Ethernet Uplink Ports 49
SFP Ports 50
10/100BASE-T Port 50
CONSOLE Port 50
RESET Button 50
Fan Assembly 51
Power Supplies 55
AC input 2 receptacle 56
AC input 1 receptacle 56
AC input 1 on switch 56
AC input 2 on switch 56
Power Supply LEDs 58
Power Supply Fan 59
Load-Sharing Feature 59
Table 1-8 Input Modes 60
(2450 W Max Output Power) 61
(1400 W Max Output Power) 61
System Architecture 64
Power over Ethernet 65
PoE Over-subscription 66
PoE Line Cards 66
Management Flow 69
Switching Traffic Flow 70
Over-subscription 71
Supervisor Redundancy 72
Preparing for Installation 73
Electrostatic Discharge 74
Calculating DC Input Current 85
Ventilation 86
Components 87
Site-Planning Checklist 88
Statement 1006 94
Rack-Mounting the Switch 100
78-14409-08 100
Grounding 108
Parts and Required Tools 112
Grounding lug 114
Screws (M4) 114
Removing and Replacing FRUs 117
Statement 1034 118
Required Tools 121
Captive screws 122
Statement 1019 124
Power switch 125
Removal Procedure 127
Statement 1046 129
Installation Procedure 132
Captive installation 135
Fan assembly 135
Removing the Fan Assembly 139
Installing the Fan Assembly 139
Verifying the Installation 140
Mux buffers 142
Clock module 142
Good Bad 145
Verify the New Modules 146
Troubleshooting 147
System Boot Verification 148
WS-X4148-RJ 157
10/100 B 157
Serial Numbers 163
SN: AAANNNNXXXX 164
113784, 781-00251-01A0 166
Specifications 167
Environmental 168
Switching Components 168
Physical Characteristics 168
Redundancy 169
Table A-10 Input Modes 181
Supplies in Combined Mode 181
Repacking a Switch 185
Numerics 187
A-10, A-13 193
A-5, A-6 193

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Cisco Systems WSC4500XF16SFP Manual de usuario Pagina 122

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