3Com 3C16476BS-US - Baseline 2250 Plus Switch Support and Manuals
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User Guide - Page 2
...environmental record on the part of 3Com Corporation to provide notification of such revision or change.
3Com Corporation provides this User Guide.
IEEE and 802 are registered trademarks of 3Com Corporation to recognized environmental standards.
The varnish is the policy of Microsoft Corporation. JavaScript is provided with , this documentation without warranty, term, or condition...
User Guide - Page 4
... 39 Upgrading the System Software 40 Configuring the Spanning Tree 41 802.1p Prioritization 41
5 TROUBLESHOOTING
Resetting to Factory Defaults 43 Forgotten Password 43 Forgotten Static IP Address 44 Solving LED Issues 44 If the Problem Persists 45
A OBTAINING SUPPORT FOR YOUR PRODUCT
Register Your Product 47 Purchase Value-Added Services 47 Troubleshoot Online 47 Access Software Downloads 47...
User Guide - Page 5
Most user guides and release notes are available in the text.
■ Identify menu names, menu commands, and software button names.
Click OK. Consequently, it is intended for installing and setting up network equipment.
When you must type something, and then press Return or Enter. Italics are shipped with your product and the information there...
User Guide - Page 6
... to 3Com at:
pddtechpubs_comments@3com.com
Please include the following : ■ Online Help - Questions related to technical support or sales should be directed in the first instance to us : ■ Document title ■ Document part number (on the title page) ■ Page number (if appropriate)
Example:
■ 3Com Baseline Switch 2250 Plus User Guide ■ Part number: DUA16476B...
User Guide - Page 8
...
The two SFP ports support fiber Gigabit Ethernet short-wave (SX) and long-wave (LX) SFP transceivers in the following table. This offers you can configure 3Com Baseline Switch 2250 Plus to forward or to block and discard bridge protocol data unit (BPDU) packets to a particular
type of service. Traffic Prioritization
The Switch offers priority queuing...
User Guide - Page 12
... underside of the unit. If this User Guide and
the 3Com Discovery application ■ One warranty flyer
Before installing and using the Switch, verify that your Switch package has all these items. If any of the lower unit. Package Contents
The 3Com Baseline Switch 2250 Plus package includes the following items: ■ One 3Com Baseline Switch 2250 Plus unit ■ One power cord...
User Guide - Page 17
... Web site, start your Web browser, and then enter http://knowledgebase.3com.com.
■ Contact your settings. Figure 3 Connecting Devices to the Switch
Baseline 10/100 switch
Endstations on switched 100 Mbps connections
Baseline 10/100 switch
Endstations on switched 100 Mbps connections
Baseline Switch 2250 Plus
1000 Mbps link 10 or 100 Mbps link
1000 Mbps copper or fiber...
User Guide - Page 24
... to:
■ Restart and reset the Switch
■ Back up and maintain trunk membership for the screen that are currently in use. To configure a port, click the port on the screen that address to connect to set up and restore configuratio
■ Upgrade the firmware
■ Configure forwarding of the Switch's front panel, which indicates ports...
User Guide - Page 28
... password)
To set the admin password:
1 On the menu, click Password. admin ■ Password - Changing the Admin Password
To prevent unauthorized users from 3Com Support, you may be asked to print out the information on this field blank.
3 In New Password, type the password that you want to your network. The default admin account settings are: ■ User name - By default, the Switch does...
User Guide - Page 32
... - Half-duplex connections are unsure of ports that are always full-duplex.
CAUTION: Before manually setting a port to configure the speed/duplex setting, simply enable autonegotiation for a link manually set the Switch's broadcast storm control and threshold limits. You cannot modify the speed/duplex settings of how to full-duplex, verify that start the process over again.
User Guide - Page 42
...prioritization feature supported by the Switch is ...mapped to the corresponding output queue. Figure 28 802.1p Prioritization Screen Table 10 Priority Levels for example during excessive loads when one type of Service value by the Switch...Services Code Point) priority.
Traffic prioritization ensures that traffic. 42
CHAPTER 4: CONFIGURING THE SWITCH
been priority encoded, then the Switch...
User Guide - Page 43
... Tools.
To reset the Switch to reconfigure the Switch after you reset it. You will need to reset the Switch to factory defaults.
After you can reset the Switch to regain 5 TROUBLESHOOTING
This chapter lists some issues that is not listed here and you cannot solve it, check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your local technical support...
User Guide - Page 47
... to software downloads can include 24x7 telephone technical support, software upgrades, onsite assistance or advance hardware replacement. Warranty and other service benefits available to apply for the version of eSupport features including Product Registration, Repair Services, and Service Request.
Register your product at http://eSupport.3com.com/. 3Com eSupport services are...
User Guide - Page 48
... sender unopened, at http://eSupport.3com.com/
Warranty and other service benefits, you must first register your original product. Telephone Technical Support and Repair
To obtain telephone support as part of publication.
To access these services for your product
■ A list of system hardware and software, including revision level
■ Diagnostic error messages
■ Details about...
User Guide - Page 62
... access to shared network services such as opposed to ...all platforms, and is online. switch A device that interconnects several LANs... a part of the TCP/IP information provided by your ISP, is a set of rules...Internet Groper.
server
A computer on an open standard that enables hot swapping of various...is now supported on a network. The rules dictate format, timing, sequencing and error control....
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