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General| Jumbo Frame Support | Yes |
|---|---|
| Model | SuperStack 3 Switch 4400 Series |
| Management | Web-based, CLI, SNMP |
| Features | IEEE 802.1p QoS, link aggregation, port mirroring |
| Power Supply | Internal |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Operating Humidity | 10% to 90% non-condensing |
| Standards Compliance | IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p |
Information about the CD-ROM that accompanies your Switch 4400.
Important information about software release, features, modifications, and known problems.
Details the contents of the CD-ROM, including online documentation for the Switch 4400.
Lists conventions for notice icons and text formatting used throughout the guide.
Lists other useful publications that accompany the Switch documentation set.
Instructions on how to access the documentation available on the CD-ROM.
Instructions on how to provide feedback and suggestions for improving the documentation.
Provides introductory information about the Switch 4400 and its use in your network.
Summarizes the hardware features that are supported by the Switch 4400.
Illustrates and describes the front panel components of the Switch 4400.
Explains the various LEDs on the front of the Switch and their status indications.
Illustrates and describes the rear panel components of the Switch 4400.
Details the default configuration settings for the Switch 4400.
Lists all items included in the Switch 4400 package for installation.
Provides guidelines for selecting an appropriate and safe location for the Switch.
Step-by-step instructions for physically mounting the Switch into a 19-inch rack.
Guidance on how to physically stack multiple Switch units one on top of another.
Explains the concept of stacking units and the allowed combinations for management.
Details the process and requirements for stacking two or more Switch 4400 units.
Outlines the important rules, limitations, and recommendations for stacking Switch units.
Describes the procedure for powering up the Switch and verifying its initial operation.
Instructions on how to connect an optional RPS for power redundancy.
Information on the Power over Ethernet capabilities of the Switch 4400 PWR model.
Guidance on selecting the appropriate Ethernet cables for connecting the Switch.
An overview of the steps required to set up the Switch for management.
Explains how to configure IP addresses for network management of the Switch.
Detailed instructions for manually setting IP information via front panel or console.
How to establish a connection to the Switch via a front panel port for initial setup.
Steps to connect a workstation to the Switch for initial IP configuration.
How to access and use the Command Line Interface (CLI) via Telnet for management.
Instructions for connecting to the Switch using the console port for setup and management.
Methods to discover the IP information if the Switch is automatically configured.
An overview of the different methods available for managing the Switch.
Details on managing the Switch using its Command Line Interface (CLI).
How to manage the Switch using its built-in web interface.
Information on managing the Switch using the Simple Network Management Protocol (SNMP).
Steps to configure the Command Line Interface for network management.
Instructions for managing the Switch via CLI over a network connection.
Steps to configure and utilize the web interface for management.
How to manage the Switch using the web interface remotely over an IP network.
Steps required to set up and perform SNMP management of the Switch.
Information on the default user accounts and their access levels for managing the Switch.
Guidance on diagnosing and resolving issues indicated by the Switch's LED status lights.
Troubleshooting steps for addressing hardware failures or malfunctions of the Switch.
An explanation of IP addressing concepts and how devices obtain IP addresses.
Steps to diagnose and resolve issues related to network communication with the Switch.
Tips and procedures for troubleshooting issues encountered during software upgrades.
Critical safety warnings and precautions for the installation, operation, and maintenance of the Switch 4400.
Details the pin assignments for connecting a null modem cable to the Switch.
Details the pin assignments for connecting a PC-AT serial cable to the Switch.
Details the pin assignments for connecting a modem cable to the Switch.
Provides pin assignment details for the 10BASE-TX and 100BASE-T RJ-45 Ethernet connectors.
Lists the physical dimensions, environmental requirements, and safety certifications.
Lists the technical specifications for the Switch 4400 PWR model, including dimensions and power.
Lists the technical specifications for the Switch 4400 (48-port) model, including dimensions and power.
Overview of the 24/7 online technical support services offered by 3Com.
Information on accessing the 3Com Corporation website for networking information and support.
How to access the 3Com Knowledgebase for technical information and product support.
Instructions for downloading content from the 3Com public FTP site.
Guidance on obtaining assistance and professional services from your network supplier.
Information on how to contact 3Com directly for technical support services.
Regional internet support contact details, including URLs and email addresses.
Contact phone numbers for 3Com technical support services worldwide.
The procedure for obtaining an RMA and sending products to 3Com for repair.
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