Cisco WS-C3550-24-FX-SMI - Catalyst 3550 100BASE-FX Switch Instalační příručka Strana 47
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- Tabulka s obsahem
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Hodnocené. / 5. Na základě hodnocení zákazníků
2-7
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-06
Chapter 2 Product Overview
Front-Panel Description
The default setting is autonegotiate. At this setting, the port senses the speed and
duplex settings of the attached device and advertises its own capabilities. If the
connected device also supports autonegotiation, the switch port negotiates the
best connection (that is, the fastest line speed that both devices support and
full-duplex transmission if the attached device supports it) and configures itself
accordingly.
10/100 Inline Power Ports
The 10/100 ports on the Catalyst 3550-24PWR switch provide protocol support
for Cisco IP Phones and Cisco Aironet Access Points:
• Provide –48 VDC power to all Cisco IP Phones and Cisco Aironet Access
Points
• Automatically detect a Cisco IP Phone or an access point that is connected
On a per-port basis, you can control whether or not a Catalyst 3550-24PWR
10/100 port automatically provides power when an IP phone or an access point is
connected. There are two inline power settings for each 10/100 port: Auto and
Never. When you select the Auto setting for inline power on a port, the port only
provides power if an IP phone or an access point is connected to it. The Auto
setting is the default. However, when you select the Never setting for inline power
on a port, the port does not provide power even if a Cisco IP phone or an access
point is connected to it.
100BASE-FX Ports
The 100BASE-FX ports use 50/125- or 62.5/125-micron multimode fiber-optic
cabling. In full-duplex mode, the cable length from a switch to an attached device
cannot exceed 6,562 feet (2 kilometers).
The 100BASE-FX ports operate only at 100 Mbps in either full- or half-duplex
mode and do not support autonegotiation. The half-duplex mode is the default
setting.
You can connect a 100BASE-FX port to an SC or ST port on a target device by
using one of the MT-RJ fiber-optic patch cables listed in Table B-1 on page B-3.
- Hardware Installation Guide 1
- CONTENTS 5
- 2 Product Overview 2-1 6
- 3 Switch Installation 3-1 6
- 4 Troubleshooting 4-1 7
- C DC Power Connections C-1 8
- Contents 10
- 78-11358-06 10
- Warranty Terms 11
- Duration of Hardware Warranty 12
- Audience 15
- Conventions 16
- Related Publications 21
- Obtaining Documentation 22
- Documentation Feedback 23
- Opening a TAC Case 24
- TAC Case Priority Definitions 24
- Using Express Setup 27
- Taking Out What You Need 28
- 1 Switch 2 AC power cord 29
- Powering On the Switch 30
- Starting Express Setup 31
- Rerunning Express Setup 37
- Figure 1-8 Switch Home Page 38
- Where to Go Next 39
- Product Overview 41
- Features 42
- Front-Panel Description 45
- 10/100 and 10/100/1000 Ports 46
- 10/100 Inline Power Ports 47
- 100BASE-FX Ports 47
- GBIC Module Slots 48
- System LED 49
- Port LEDs and Modes 50
- Bandwidth Utilization 52
- < 25% + 53
- 25% – 49% + 53
- Rear-Panel Description 54
- AC Power Connector 55
- Cisco RPS Connector 55
- Management Options 56
- • SmartPort Macros 57
- • CiscoView application 57
- • SNMP network management 57
- Network Configurations 58
- Switch Installation 59
- EMC Regulatory Statements 63
- Site Requirements 65
- Verifying Package Contents 66
- Installing the Switch 67
- 19" Configuration 72
- Phillips 72
- 24" Configuration 74
- Phillips machine screws 75
- Wall Mounting 76
- Mounting the Switch on a Wall 78
- Table or Shelf Mounting 79
- Powering the Switch 82
- Connecting a Cisco RPS 82
- Installing GBIC Modules 85
- Troubleshooting 87
- Chapter4 Troubleshooting 88
- Diagnosing Problems 89
- Technical Specifications 93
- Connector Specifications 97
- 10/100 and 10/100 /1000 Ports 98
- Console Port 99
- 10/100 Ports 101
- Identifying a Rollover Cable 103
- Adapter Pinouts 104
- Signal DB-25 Pin Signal 105
- DC Power Connections 107
- Grounding the Switch 108
- Preparing for Installation 108
- Insulation 109
- Wire lead 109
- 0.5 in. (12.7 mm) 109
- 0.02 in. (0.5 mm) 109
- Torque to 15 lbf-in 110
- Connecting to DC Power 111
- -72 V 112
- CURRENT: 2 - 1A 112
- 0.25 inch (6.3 mm) 113
- 0.02 inch (0.5 mm) 113
- Tie wrap 115
- CLI-Based Setup Program 117
- Powering on the Switch 120
- IP Settings 121
- Completing the Setup Program 122
- Step 10 These choices appear: 124
- • CMS from your browser 124
- Translated Safety Warnings 125
- PWR675-AC-RPS-N1) 126
- Service Personnel Warning 128
- Qualified Personnel Warning 129
- Jewelry Removal Warning 132
- Stacking the Chassis Warning 134
- Avvertenza 135
- Advarsel 135
- ¡Atención! 135
- Main Disconnecting Device 136
- Grounded Equipment Warning 137
- Overtemperature Warning 138
- Waarschuwing 140
- Varoitus 140
- Attention 140
- ¡Advertencia! 141
- Varning! 141
- Product Disposal Warning 143
- Switch Installation Warning 151
- Restricted Area Warning 154
- Aperture Ports 159
- Advarsel! 160
- Laser Beam Exposure Warning 161
- Exposed DC Power Wire Warning 162
- Numerics 169
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