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2226-SFP, 2250-SFP, 2426-PWR manual
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Contents
Main
3Com Corporation 350 Campus Drive Marlborough MA 01752-3064
C
ABOUT THIS GUIDE
1
2
3
5
A
B
C
D
Page
ABOUT THIS GUIDE
Conventions
Documentation Comments
Product Registration
1
Overview of the Baseline Switch
Features and Capabilities
Autosensing of MDI/MDIX Connections
Autonegotiating 10/100 Mbps Ports
Physical Features
Front Panel
(1) RJ-45 10/100 Ports
(2) Gigabit Combo Ports (RJ-45/SFP)
(3) Console Port
(4) 10/100BASE-TX Link/Activity Status LEDs
(5) 10/100BASE-TX Duplex Status LEDs (3CBLSF26 and 3CBLSF26PWR Only)
(6) Gigabit Combo Port and Duplex Status LEDs
1000BASE-T Mode
SFP Mode
Link/Activity Meaning
SFP/Duplex Meaning
Link/Activity Meaning
(7) Power LED
Rear Panel
(9) Power Socket
Package Contents
2
Important Safety Information
Positioning the Switch
Rack-Mounting or Free-Standing
Using the Mounting Kit
Montagesatz Anweisungen
Placing Units On Top of Each Other
Supplying Power to the Switch
Checking for Correct Operation
Using SFP Tranceivers
Approved SFP Transceivers
http://www.3Com.com
Inserting an SFP Transceiver
Removing an SFP Transceiver
Performing Spot Checks
If you experience any problems operating the Switch, refer to Troubleshooting on page75.
3
Requirements for Accessing the Web Interface
Using the Console Command Line Interface (CLI)
Page
Logging On to the Web Interface
1 2 3
Navigating the Web Interface
Menu
Menu
Sub-Menu Tabs
System Information
Page
Buttons
Port Status
Accessing the Switch using the 3Com Switch Detect Application
Running the 3Com Switch Detect Application
1
2
3
Page
Page
4
I
Configuration Overview
Device Summary Information
Device View
Polling Interval
1
2
Color Key
Administration Settings
Modifying the IP Address Settings
Automatic IP Configuration
IP Setup
Backup Configuration
1
2
Restore Configuration
1
2
3
Firmware Upgrade
Reset
Reboot
Initialize, keep IP setting
Initialize, discard IP setting
System Access
User Summary
Create User
Modify User
Remove User
System Name
System Time
SNMP
SNMP Add
SNMP Remove
Configuring VLANs
VLAN
Modify VLAN
1
2 3
4
Modify Port
1
2 3
Rename
1
Port Detail
VLAN Detail
1
2
Forwarding Tagged/Untagged Frames
Sample VLAN Configurations
Setting Up Two VLANs on the Same Switch
1
2
3
Setting Up VLAN Across Two Switches
Spanning Tree
Page
Port Setup
IGMP Snooping & Query
Broadcast Storm
Modify
QoS VoIP Traffic Settings
Port Setup
1 2
Port Detail
OUI Summary
OUI Add
1 2
PoE (3CBLSF26-PWR only)
Configuring Port Settings
Administration
Page
Speed/Duplex for 1000 Mbps Connections
Link Aggregation
Guidelines for Creating Trunks
Create
1 2
Modify
Statistics
1
2
Security
RADIUS Client
Configure
802.1X Settings
Page
Monitoring
Address Table
Port Summary
Port Mirroring
1 2
3
4
5
6
Cable Diagnostics
Page
Page
5
Resetting to Factory Defaults
Forgotten Static IP Address
Solving LED Issues
A link is connected, but the Link/Activity LED for the port is off.
A fiber cable is connected, but the Module Active LED is off.
The Link/Activity LED is on, but network performance is poor
If the Problem Persists
Page
A
Register Your Product
Purchase Value-Added Services
Troubleshoot Online
http://knowledgebase.3com.com
Telephone Technical Support and Repair
http://eSupport.3com.com/
http://csoweb4.3com.com/contactus/
Contact Us
email at this email address:
Page
B
3CBLSF26 Related Standards
Electrical
Environmental
Physical
3CBLSF26PWR Related Standards
Environmental
Physical
Electrical
3CBLSF50 Related Standards
Environmental
Physical
Electrical
Page
C
Console Cable
88 APPENDIX C: PIN-OUTS
Null Modem Cable
RJ-45 to RS-232 25-pin
RJ-45 to 9-pin
PC-AT Serial Cable
Modem Cable
Ethernet Port RJ-45 Pin Assignments
Pin Number 10/100 1000
Page
D
Getting Started with the Command Line Interface
Console Port
Logging on to the CLI
Automatic Logout
CLI Commands
CLI Commands 93
?
The ? command displays a list of CLI commands on the device.
?
This command has no default configuration.
There are no user guidelines for this command.
Ping
Parameters
Summary
ipSetup
Upgrade
Initialize
Reboot
Logout
Password
REGULATORY NOTICES
FCC Statement
Information to the User
ICES Statement
CE Statements (Europe)
Page
G
Page
Page
Layer 2
Link Aggregation
MAC
MAC Address
Network
Server
SFP
Subnet Address
Subnet Mask
Subnets
Page
I
P
R
S
T
U