Cisco WS-C3550-24-FX-SMI - Catalyst 3550 100BASE-FX Switch Guía de instalación Pagina 38
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Chapter 1 Product Overview
Front-Panel Description
1-18
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-03
Table 1-8 Meaning of LED Colors in Different Modes on the Switch
Port Mode LED Color Meaning
STATUS
(port status)
Off No link, or port was administratively shut down.
Solid green Link present.
Flashing green Activity. Port is transmitting or receiving data.
Alternating
green-amber
Link fault. Error frames can affect connectivity, and errors such as
excessive collisions, CRC errors, and alignment and jabber errors
are monitored for a link-fault indication.
Solid amber Port is blocked by Spanning Tree Protocol (STP) and is not
forwarding data.
Note After a port is reconfigured, the port LED can remain amber
for up to 30 seconds as STP checks the switch for possible
loops.
Flashing amber Port is blocked by STP and is transmitting or receiving packets.
UTIL
(utilization)
Green The port LEDs display backplane utilization on a logarithmic scale.
See Figure 1-12 and Figure 1-13 for details on the
Catalyst 3550-12T and 3550-12G switches. See Figure 1-14 and
Figure 1-15 for details on the Catalyst 3550-24 and 3550-48
switches.
Amber The peak total backplane utilization over the last 24 hours.
DUPLX
(duplex)
Off Port is operating in half duplex.
Green Port is operating in full duplex.
SPEED
10/100 and 10/100/1000 ports
Off Port is operating at 10 Mbps.
Green Port is operating at 100 Mbps.
Flashing green Port is operating at 1000 Mbps.
GBIC ports
Off Port is not operating.
Flashing green Port is operating at 1000 Mbps.
- Hardware Installation Guide 1
- All rights reserved 3
- CONTENTS 5
- 3 Troubleshooting 3-1 7
- Contents 10
- 78-11358-03 10
- Audience 11
- Organization 12
- Conventions 12
- Waarschuwing 13
- Varoitus 13
- Related Publications 15
- Obtaining Documentation 16
- Ordering Documentation 17
- Documentation Feedback 17
- Cisco.com 18
- Technical Assistance Center 18
- Cisco TAC Web Site 19
- Cisco TAC Escalation Center 20
- Product Overview 21
- Features 22
- Front-Panel Description 25
- 10/100 and 10/100/1000 Ports 28
- GBIC Module Slots 29
- System LED 36
- Port LEDs and Modes 37
- 10/100 and 10/100/1000 ports 38
- GBIC ports 38
- Bandwidth Utilization 39
- < 25% + 40
- 25% – 49% + 40
- Rear-Panel Description 41
- Power Connectors 43
- Management Options 44
- • CiscoView application 45
- • SNMP network management 45
- Network Configurations 46
- Preparing for Installation 48
- EMC Regulatory Statements 50
- Site Requirements 52
- Verifying Package Contents 53
- Installing the Switch 54
- 3550-24-DC Switches 59
- Phillips 60
- 24" Configuration 60
- 19" Configuration 61
- Attaching the Cable Guide 63
- Cable guide screw 64
- Wall Mounting 65
- User-supplied 67
- Installing the GBIC Modules 68
- Powering On the Switch 70
- Connecting to DC Power 71
- Grounding the Switch 72
- Insulation 73
- Wire lead 73
- 0.5 in. (12.7 mm) 73
- 0.02 in. (0.5 mm) 73
- Torque to 15 lbf-in 74
- INPUT 36 - 72 V 76
- CURRENT: 2 - 1A 76
- Tie wrap 79
- Running Post 80
- Catalyst 3550 85
- 100-240V~ 87
- Where to Go Next 88
- Troubleshooting 89
- Diagnosing Problems 90
- Chapter3 Troubleshooting 92
- Amber System LED 93
- Technical Specifications 95
- 3550-24-FX 96
- Connector Specifications 99
- 231 45678Pin Label 100
- 10/100 Ports 101
- 100BASE-FX Ports 102
- 1000BASE-X GBIC Module Ports 103
- 1000BASE-T GBIC Module Port 103
- Console Port 104
- GigaStack GBIC Module Ports 104
- Identifying a Rollover Cable 108
- Adapter Pinouts 108
- Signal DB-9 Pin Signal 109
- Signal DB-25 Pin Signal 109
- Translated Safety Warnings 111
- Service Personnel Warning 112
- Qualified Personnel Warning 113
- Installation Warning 114
- Jewelry Removal Warning 116
- Avvertenza 117
- Advarsel 117
- ¡Advertencia! 117
- Varning! 117
- Stacking the Chassis Warning 118
- Main Disconnecting Device 119
- Overtemperature Warning 120
- Attention 121
- Ground Connection Warning 122
- Grounded Equipment Warning 123
- Lightning Activity Warning 124
- Product Disposal Warning 125
- Switch Installation Warning 133
- Restricted Access Warning 136
- Class 1 Laser Product Warning 140
- Laser Beam Exposure Warning 141
- Numerics 143
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