3com 2816-SFP Plus (3C16485) User Manual

3Com® Baseline Switch 2816-SFP Plus (3C16485)User GuideDUA1648-5AAA02Link/Activity : Green = 1000M, Yellow = 10/100M,Flash = Activity, Duplex : On = F

10CAUTION: The Switch supports full duplex auto-negotiation. If auto-negotiation is disabled for 1000BASE-T, then the Switch uses the forced-mode defa

114 Module Active LEDsThe Module Active LEDs shows the status of any SFP modules that are installed.5 Port Duplex LEDsThe second and fourth (bottom)

12CAUTION: 3Com recommends that you back up your configuration settings before you recover the Switch, otherwise your configuration will be lost. Refe

13Positioning the SwitchWhen deciding where to position the Switch ensure that: It is accessible and cables can be connected easily. Cabling is away

14Spot ChecksAt frequent intervals you should visually check the Switch. Regular checks can give you an early warning of a possible failure; any probl

15Use of non-3Com SFPs is not recommended. If the SFP transceiver is invalid it will not be recognised by the Switch.Use the following sequence of ste

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17IntroductionThe Switch is supplied with two mounting brackets and four screws. These are used for rack mounting the unit. When mounting the unit, yo

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19This chapter explains more about IP addresses and how automatic IP configuration works on the Switch. For details on how to view and amend your Swit

Copyright © 3Com Technologies, 2004. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make

203 The Switch repeats step 2 until an unused IP address is found.

21This chapter describes all the options available through the Switch configuration pages, and is provided as a reference. Navigating Through the Swit

22Fan StatusAt the bottom of all screens is an image of the Switch’s front panel, as shown in Figure 6. At the right hand side of the panel under the

23Password You should change the password to prevent unauthorized access to the Administration System.Figure 8 Password ScreenTo change the password

24 IP Address Mode — Specifies whether IP functionality is enabled via automatic IP configuration, manual configuration (static) or dynamically using

25 Speed Duplex — Shows the current speed and duplex mode. (Auto or fixed choice)In the Advanced Port Configuration page you can set the Switch’s bro

26VLAN Configuration ExamplesDesktop VLAN Configuration ExampleFigure 12 Desktop VLAN Configuration ExampleThis example explains how you can set up

27Uplink VLAN Configuration ExampleFigure 13 Uplink VLAN Configuration ExampleThis example explains how you can set up a VLAN Configuration across t

28Create VLANsUse the Create VLANs page to set up VLANs. To propagate information about VLAN groups used on this switch to external devices, you must

29Modify VLANsUse the Modify VLAN page to change the VLAN to which a port belongs, and configure the port to communicate with all other VLANs, or a se

3ContentsAbout this GuideNaming Convention 5Conventions 5Feedback about this User Guide 6Product Registration 6IntroductionBaseline Switch 2816-SFP Pl

30 VLAN ID — ID of the configured VLAN (1-4094, no leading zeroes). Name — Name of the VLAN (1 to 32 characters). Ports — Port identifier.TrunkingP

31Use the Trunking Membership page to add ports to a group membership.Figure 19 Trunking Membership Screen Port — The port number. Status — The st

32Traffic MonitoringUse the Traffic Monitoring window to enable port traffic monitoring. The Switch supports the attachment of a network analyzer to o

33Any network users who are currently accessing the Internet will have their access interrupted while the restart takes place, and they may need to re

34Figure 24 Upgrade ScreenOnce you have downloaded the software, use the Browse button to locate the file on your computer, and then click on Apply.

35Spanning TreeThis administrative tool supports the configuration of the Switch to forward, or block and discard 802.1D spanning tree BPDU packets.Sp

36802.1p PrioritizationThe Switch has priority queuing enabled, which means all packets that are received are examined to see if they have been priori

37Figure 27 802.1p Prioritization screenSupportSelecting Support on the main menu displays the support links screen, which contains a list of Intern

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39Running the Discovery Application3Com provides a user-friendly Discovery application for detecting the Switch on the network.If your computers are c

4Membership VLANs 29Trunking 30Traffic Monitoring 32System Tools 32Restart 32Configuration 33Upgrade 33Spanning Tree 35802.1p Prioritization 36Support

402 When the Welcome screen is displayed click on Next and wait until the application discovers the Switches connected to your LAN.Figure 30 Discove

41Refer to the information about LEDs given earlier in this guide to see if the problem can be identified and rectified. Here are some common problems

42The Firmware image has become corruptedIf the firmware image becomes corrupted, you need to upgrade the firmware. The Switch goes into Fail Safe mod

43at least 5 seconds, or when the LED flashes, release the recovery button. The Switch will now enter fail safe mode, whereby the Switch’s IP address,

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45Please read the following safety information carefully before installing the Baseline Switch 2816-SFP Plus.WARNING: Installation and removal of the

46Veuillez lire à fond l'information de la sécurité suivante avant d'installer le Baseline Switch 2816-SFP Plus.AVERTISSEMENT: L’installatio

47Bitte unbedingt vor dem Einbauen des Baseline Switch 2816-SFP Plus die folgenden Sicherheitsanweisungen durchlesen.WARNUNG: Die Installation und der

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49Related StandardsThe Baseline Switch 2816-SFP Plus has been designed to the following standards:EnvironmentalPhysicalElectricalFunctionalISO 8802-3,

5This guide is intended for use by those responsible for installing and setting up network equipment; consequently, it assumes a basic working knowled

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51Where To Go For HelpContact your authorised 3Com reseller or 3Com for additional product and support information. You will find support tools posted

52Telephone Technical Support and RepairTo obtain telephone support as part of your warranty and other service benefits, you must first register your

53Europe, Middle East, and Africa Telephone Technical Support and RepairFrom anywhere in these regions, call: +44 (0)1442 435529From the following cou

54You can also obtain support in this region using the following:Spanish speakers, enter the URL: http://lat.3com.com/lat/support/form.htmlPortuguese

5510BASE-TThe IEEE specification for 10 Mbps Ethernet over Category 3, 4 or 5 twisted pair cable.100BASE-TXThe IEEE specification for 100 Mbps Fast Et

56Category 5e CablesOne of five grades of Twisted Pair (TP) cabling defined by the EIA/TIA-568 standard. Category 5e can be used in Ethernet (10BASE-T

57IEEE 802.1QVLAN Tagging - Defines Ethernet frame tags which carry VLAN information. It allows switches to assign endstations to different virtual LA

58MAC AddressMedia Access Control Address. Also called the hardware, physical or Ethernet address. A layer 2 address associated with a particular netw

59TCP/IPTransmission Control Protocol/Internet Protocol. This is the name for two of the most well-known protocols developed for the interconnection o

6Feedback about this User GuideYour suggestions are very important to us. They will help make our documentation more useful to you. Please e-mail comm

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61Numbers1000BASE-LX 551000BASE-SX 551000BASE-T 55100BASE-TX 5510BASE-T 55802.1p Prioritization 36Aadmin passwordchanging 23automatic IP configuration

62Ggetting help 21Gigabit Ethernet 56Hhalf duplex 56help menu 21IIEEE 56IETF 57IP address 19automatic IP configuration 19DHCP addressing 19Discovery p

63Ssaving Switch configuration 32server defined 58setting up computers 17subnet mask 58support 37Support for your product 51Switchchanging the passwor

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65FCC StatementThis equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.

66Part Number: DUA1648-5AAA02Published: September 2004

7The 3Com® Baseline Switch 2816-SFP Plus is a versatile, easy-to-use configurable Switch. It is ideal for users who want the high-speed performance of

8Package ContentsThe Switch comes with: One power cord Four standard height, self-adhesive rubber pads One mounting kit Installation CD This User

9Front and Rear PanelsThe front panel of the Switch contains a series of indicator lights (LEDs) that help describe the state of various networking an