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10005622, 3C39024, 3C39036
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Contents
Main
3Com Corporation
5400 Bayfront Plaza
Santa Clara, California
95052-8145
Page
Page
C
ONTENTS
P
U
OWER
5
PECIFICATIONS
ARRANTY
W
IMITED
A
BOUT
Finding Specic Information in This Guide
Introduction
T
Conventions
Table 1 and Table 2 list conventions that are used throughout this guide.
SuperStack II Switch 3900 Documentation
Paper Documents
Documents on CD-ROM
Related Publications
Documentation Comments
Page
Page
1
Switch 3900 Intelligent Switch
1-2 CHAPTER 1: SWITCH 3900 SYSTEM AND SETUP OVERVIEW
System Overview 24-Port Front Panel
Super Stack II Switch 3900
Figure 1-1 Front Panel of the 24-Port SuperStack II Switch 3900
Ethernet Ports Provide 24 10/100BASE-TX (RJ-45) Ethernet ports
System and Port LEDs Provide information about the system and each port
System Overview 36-Port Front Panel
Figure 1-2 Front Panel of the 36-Port SuperStack II Switch 3900
Ethernet Ports Provide 36 10/100BASE-TX (RJ-45) Ethernet ports
System and Port LEDs Provide information about the system and each port
System Overview Back Panel of Both Models
System Features and Benets
System Management
Optional Gigabit Ethernet Modules
Network Conguration Example
Providing Dedicated Links for Fast Ethernet
Network Conguration Sample 1-7
Network Conguration Sample
Figure 1-4 SuperStack II Switch 3900 Provides Dedicated Fast Ethernet Links
36-Port SuperStack II Switch 3900
Switched Gigabit server farm Switched 100 Mb
desktop systems
Page
2
Before You Begin
2-2 CHAPTER 2: INSTALLING THE SYSTEM
Installing the System on a Table Top or in a Free-Standing Stack
Figure 2-1 Stacking the Switch 3900
corners of the unit.
5Turn the system onto its feet. 6Verify that the air intake vents and fan exhaust vents
Place the feet of one system into the mounting recesses of the system below it.
Installing the System in a Distribution Rack
Preparing the System and Rack
Page
Mounting the System into a Distribution Rack
Page
3
Overview of Cabling
Fiber Safety Precautions
Fast Ethernet Ports
Cabling 10/100BASE-TX (RJ-45) Ports
Fast Ethernet Ports 3-3
Figure 3-1 shows the cabling of a 10/100BASE-TX (RJ-45) port.
10/100BASE-TX (RJ-45) Connector Pin Assignments
Table 3-1 provides the pin assignments for the RJ-45 connectors.
Male RJ-45 connector 10/100BASE-TX cable
Port 7
Gigabit Ethernet Ports
Cabling Gigabit Ethernet Ports
Cabling the Console Port
Page
Cabling the Console Port 3-7
Console Port Pin Assignments
Table 3-2 shows the DB-9 pin assignments for the Console port.
Page
4
Power Options
AC Power Cord
Optional Advanced Redundant Power System
Optional Uninterruptible Power System
Power Up
To Power the Switch 3900 with the RPS
To Power the Switch 3900 from the Wall Receptacle
Power-up Diagnostics
System Diagnostics
Ethernet Port Diagnostics
4-4 CHAPTER 4: SYSTEM POWER UP
System and Port Status LEDs
Figure 4-1 System and Port Status LEDs on the SuperStack II Switch 3900
Status
Super Stack II Switch 3900
30x
System Checks
Next Step: Software Conguration
Page
5
MANAGEMENT ACCESS
About Switch 3900 System Management
How Do You Want to Manage the System?
Terminal Connection
Initial Management Access
Setting the Console Port Baud
Conguring the IP Interface
Page
6
Getting Additional Help
Diagnosing Problems
Power Failures
Abnormal LED Activity
6-2 CHAPTER 6: TROUBLESHOOTING THE SYSTEM
Diagnosing Problems 6-3
Cleaning Dirty Fiber Optic Ports and Connectors
A
A-2 APPENDIX A: SYSTEM SPECIFICATIONS
B
General Safety Requirements
Wiring Closet Recommendations
Distribution Rack Requirements
Protective Grounding for the Rack
Space Requirements for the Rack
Mechanical Requirements for the Rack
Building and Electrical Codes
Building Codes
Electrical Codes
Page
C
Online Technical Services
World Wide Web Site
3Com FTP Site
3Com Bulletin Board Service
Support from Your Network Supplier
Support from 3Com C-3
Support from 3Com
number
revision levels
if applicable Below is a list of worldwide technical telephone support numbers:
C-4 APPENDIX C: TECHNICAL SUPPORT
Returning Products for Repair
INDEX
Numbers
A
B
C
G
H
I
L
M
S
T
U
V
W
Page
3Com Corporation L IMITED W
H
S
YEAR 2000 WARRANTY
OBTAINING WARRANTY SERVICE
LIMITATION OF LIABILITY
D
GOVERNING LAW