Cisco 4948 - Catalyst Switch Instalační příručka stáhnout pdf (Strana 90)

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

OL-21561-02

Appendix A Power Supply Specifications

300 W DC-Input Power Supply (PWR-C49-300DC)

Ta b l e A-7 DC-Input Power Supply Inlet Temperature Versus Fan Speed

Fan Speed

Level

Inlet Temperature (T)

(± 2°C)

Fan Speed (RPM)

(±100RPM)

L1 –10°C < T ≤ 30°C 5100

L2 30°C < T ≤ 37°C 6400

L3 37°C < T ≤ 45°C 7700

L4 T > 45°C 9500

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 161 162

Switch Installation Guide 1
CONTENTS 3
Contents 4
Audience 9
Organization 9
Related Documentation 10
Command Syntax Conventions 10
Attention 12
Avvertenza 12
Advarsel 12
¡Advertencia! 13
Varning! 13
Product Overview 17
(Catalyst 18
4948E Switch Shown) 18
Features 19
Features 20
Fan Tray 24
Fan Tray 25
Front Panel LEDs 27
Front Panel LEDs 28
Preparing for Installation 29
Site Requirements 30
Temperature 31
Air Flow 32
Humidity 33
Altitude 33
Dust and Particulates 33
Corrosion 34
Power Source Interruptions 35
System Grounding 35
System Grounding 36
Power Requirements 39
Power Requirements 40
Cabling Requirements 41
Site Preparation Checklist 41
Installing the Switch 43
Warnings 44
Verifying Package Contents 46
Required Tools 46
Rack-Mounting the Chassis 47
Rack-Mounting the Chassis 48
Duct Kit 51
Installing the System Ground 52
3 System ground wire 53
Statement 1019 54
• Ground 57
• (–) negative 57
• (+) positive 57
Powering Up the Switch 63
Powering Up the Switch 64
Statement 1030 65
Removing the Fan Tray 74
Installing the Fan Tray 75
Power Supply Specifications 77
3 AC power cord receptacle 78
Plug: CEI 23-16/7 86
Cordset rating: 10 A, 250 V 86
Length: 8 ft 2 in. (2.5 m) 86
Connector: IEC 60320 C15 86
Connector: 86
Plug: BS 1363 87
Adapter Specifications 91
Receive optical bore 92
Transmit optical bore 92
Bail clasp 92
Dust plug 92
CWDM SFP Transceivers 95
DWDM SFP Transceivers 97
10-GB SFP+ Transceivers 99
OL-21561-02 100
Console Port 101
Ethernet Management Port 102
Cables and Adapters 102
Pin 1 and pin 8 103
Cables and Adapters 104
APPENDIX 105
Getting Started 106
Identifying Startup Problems 106
LED Readings 107
Contacting Customer Service 108
Translated Safety Warnings 110
Translated Safety Warnings 111
Waarschuwing 113
Varoitus 113
2006/95/EC and 2004/108/EC 151
Numerics 157

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