Cisco 3750-48TS - Catalyst Switch - Stackable Guía de instalación Pagina 113
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4-3
Catalyst 3750 Switch Hardware Installation Guide
78-15136-02
Chapter 4 Troubleshooting
Diagnosing Problems
Note If the switch is not configured, the mode buttons are all green. You can
omit Step 2 and run Express Setup to configure the switch.
Step 2 Continue holding down the Mode button. The LEDs stop blinking after 8
additional seconds, and then the switch reboots.
Note These steps only work on a previously-configured switch.
The switch now behaves like an unconfigured switch. You can configure the
switch by using Express Setup as described in these sections.
• “Starting Express Setup” section on page 1-4
• “Configuring the Switch Settings” section on page 1-9
• “Verifying Switch IP Address (Optional)” section on page 1-10
You can also configure the switch by using the command-line interface (CLI)
setup procedure described in these sections:
• “Starting the Terminal Emulation Software” section on page D-9
• “Entering the Initial Configuration Information” section on page D-10
Diagnosing Problems
Common switch problems fall into these categories:
• Poor performance
• No connectivity
• Corrupted software
Table 4-1 describes how to detect and resolve these problems.
- General Information 1
- Document Information 1
- Mailing Information 1
- BUSINESS REPLY MAIL 2
- Catalyst 3750 Switch 3
- Hardware Installation Guide 3
- CONTENTS 7
- 2 Product Overview 2-1 8
- 3 Switch Installation 3-1 8
- Contents 10
- 78-15136-02 10
- Warranty Terms 13
- Duration of Hardware Warranty 14
- Audience 17
- Conventions 18
- Varoitus 19
- Attention 19
- Related Publications 23
- Obtaining Documentation 23
- Cisco.com 24
- Documentation CD-ROM 24
- Ordering Documentation 24
- Documentation Feedback 25
- Cisco TAC Website 25
- Opening a TAC Case 26
- TAC Case Priority Definitions 26
- Using Express Setup 29
- Powering On the Switch 31
- Starting Express Setup 32
- Rerunning Express Setup 39
- Product Overview 41
- Features 42
- Front Panel Description 43
- 1 10/100/1000 ports 44
- 10/100 and 10/100/1000 Ports 46
- SFP Module Slots 47
- 2 3 4 5 6 7 81 48
- System LED 49
- Master LED 50
- Port LEDs and Modes 50
- Table 2-4 Port Mode LEDs 51
- Stack LED 52
- Rear Panel Description 54
- StackWise Ports 55
- Cisco RPS 300 56
- Cisco RPS 675 57
- Management Options 58
- Network Configurations 59
- Switch Installation 61
- Warnings 62
- Preparing for Installation 63
- EMC Regulatory Statements 64
- Class A Notice for Hungary 65
- Installation Guidelines 66
- Verifying Package Contents 67
- Verifying Switch Operation 68
- Planning the Stack 72
- Powering Considerations 73
- Cabling Considerations 74
- 0.5-meter StackWise Cable 76
- Installing the Switch 77
- Rack Mounting 78
- 1 Phillips flat-head screws 81
- DC INPUTS FOR REMOTE 83
- POWER SUPPLY 83
- SPECIFIED IN MANUAL 83
- +12v @17a 83
- 3750-48TS Switches 85
- Mounting the Switch in a Rack 88
- 1 Phillips machine screws 89
- Attaching the Cable Guide 90
- Wall Mounting 92
- Mounting the Switch on a Wall 94
- Table or Shelf Mounting 96
- Connecting to an SFP Module 106
- Where to Go Next 110
- Troubleshooting 111
- Diagnosing Problems 113
- Technical Specifications 119
- Connector Specifications 125
- 10/100 Ports 127
- SFP Module Ports 129
- Console Port 130
- 10/100 ports 131
- 10/100/1000 Ports 132
- Identifying a Crossover Cable 133
- Adapter Pinouts 134
- Signal DB-25 Pin Signal 135
- Cluster Management Suite 137
- Figure C-2 Switch Home Page 139
- Figure C-3 CMS Setup Report 140
- CMS Requirements 141
- Supported Java Plug-Ins 143
- Setup Program 145
- Methods for Accessing the CLI 146
- Taking Out What You Need 148
- 2 Power cord 152
- Connecting to a Power Source 153
- IP Settings 154
- Completing the Setup Program 155
- • CMS from your browser 157
- Translated Safety Warnings 159
- PWR675-AC-RPS-N1) 160
- Installation Warning 162
- Installation Instructions 163
- Jewelry Removal Warning 164
- Stacking the Chassis Warning 166
- Avvertenza 167
- Advarsel 167
- ¡Atención! 167
- Main Disconnecting Device 168
- Grounded Equipment Warning 169
- Overtemperature Warning 172
- ¡Advertencia! 173
- Varning! 173
- Product Disposal Warning 175
- Switch Installation Warning 183
- Restricted Area 185
- Waarschuwing 186
- Laser Beam Exposure 188
- Laser Radiation 189
- Numerics 191
- 4-1 to 4-5 197
- E-1 to E-31 197
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