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Link/Activity : Green = 1000M, Yellow = 10/100M,
Flash = Activity, Duplex : On = Full, Off = Half
Baseline Sw itch 2816-SFP
Module Present
3C16485
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3Com Baseline Switch 2816-SFP Plus (3C16485)
User Guide
DUA1648-5AAA02
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■ ■ ■ ■ ■ ■ ■ ■ Copyright © 3Com Technologies, 2004. All rights reserved. No part of this documentation For civilian agencies: may be reproduced in any form or by any means or used to make any derivative work (such Restricted Rights Legend: Use, reproduction or disclosure is subject to restrictions set forth as translation, transformation, or adaptation) without written permission from 3Com in subparagraph (a) through (d) of the Commercial Computer Software - Restricted Rights Technologies. C
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SFP Operation 14 Contents Approved SFP Transceivers 14 Inserting an SFP Transceiver 14 Removing an SFP Transceiver 15 About this Guide Mounting Kit Instructions Naming Convention 5 Introduction 17 Conventions 5 Rack Mounting the Units 17 Feedback about this User Guide 6 Product Registration 6 Automatic IP Configuration How Your Switch Obtains IP Information 19 Introduction How Automatic IP Configuration Works 19 Baseline Switch 2816-SFP Plus 7 Automatic Process 19 Package Contents 8 Switch Confi
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Membership VLANs 29 Technical Support Trunking 30 Where To Go For Help 51 Traffic Monitoring 32 Register Your Product to Gain Service Benefits 51 System Tools 32 Purchase Value-Added Services 51 Restart 32 Troubleshoot Online 51 Configuration 33 Purchase Value-Added Services 51 Upgrade 33 Contact Us 51 Spanning Tree 35 Telephone Technical Support and Repair 52 802.1p Prioritization 36 Glossary Support 37 Index Using Discovery Running the Discovery Application 39 Regulatory Notices Windows Instal
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ABOUT THIS GUIDE This guide is intended for use by those responsible for installing and setting up network equipment; consequently, it assumes a Conventions basic working knowledge of LANs (Local Area Networks). Table 1 and Table 2 list conventions that are used throughout this guide. If a release note is shipped with this 3Com Baseline Switch 2816-SFP Plus and contains information that differs from the Table 1 Notice Icons information in this guide, follow the information in the release
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■ ■ ■ ■ ■ ■ ■ ■ ■ Table 2 Text Conventions (continued) Do not use this e-mail address for technical support questions. For information about contacting Technical Support, please refer Convention Description to “Support” on page 37. Words in italics Italics are used to: The Switch is part of the extensive Baseline range of 3Com prod- Emphasize a point. ucts. This range includes hubs, switches, power systems and Denote a new term at the place where it is defined other networking equipment, a
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INTRODUCTION ® The 3Com Baseline Switch 2816-SFP Plus is a versatile, Figure 1 Network Plan easy-to-use configurable Switch. It is ideal for users who want Endstations on switched Baseline 10/100 Switch the high-speed performance of 10/100/1000 switching with the 100 Mbps connections added functionality of Gigabit links, but do not need sophisticated management capabilities. The Switch is shipped ready for use. No configuration is necessary. Endstations on switched Baseline 10/100 Switch 1
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■ ■ ■ ■ ■ ■ Package Contents The Switch comes with: One power cord Four standard height, self-adhesive rubber pads One mounting kit Installation CD This User Guide Warranty flyer The Switch is powered from the AC supply. 8
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HOW TO USE THE BASELINE SWITCH 2816-SFP PLUS AVERTISSEMENT: Points d’accès RJ-45. Ceux-ci sont protégés par des prises de données. Ils ne peuvent pas être utilisés comme Front and Rear Panels prises de téléphone conventionnelles standard, ni pour la The front panel of the Switch contains a series of indicator lights connection de l’unité à un réseau téléphonique central privé ou (LEDs) that help describe the state of various networking and public. Raccorder seulement connecteurs de données
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■ ■ ■ CAUTION: The Switch supports full duplex auto-negotiation. If 3 Link/Activity Status LEDs auto-negotiation is disabled for 1000BASE-T, then the Switch The following table lists LEDs visible on the front of the Switch, uses the forced-mode default of 100 full duplex mode. If the and how to read their status according to color. connected device does not support auto-negotiation, the Switch will operate in half duplex mode (even if the attached device is Status Meaning operating in ful
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■ ■ ■ ■ ■ 4 Module Active LEDs Status Meaning The Module Active LEDs shows the status of any SFP modules Flashing Power-on self test is in progress. Green that are installed. Yellow Power-on self test or loopback test failed. Switch is in fail- Status Meaning safe mode. Green Fiber SFP is inserted in the slot. 7 Self-adhesive Pads Off No fiber SFP is inserted in the slot. The unit is supplied with four self-adhesive rubber pads. 5 Port Duplex LEDs Do not apply the pads if you intend to rack
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CAUTION: 3Com recommends that you back up your configuration settings before you recover the Switch, otherwise your configuration will be lost. Refer to “Configuration” on page 33 for details. 12
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■ ■ ■ ■ ■ ■ INSTALLATION RECOMMENDATIONS CAUTION: If installing the Switch in a free-standing stack of different size Baseline or Superstack 3 units, the smaller units Positioning the Switch must be installed above the larger ones. Do not have a When deciding where to position the Switch ensure that: free-standing stack of more than six units. It is accessible and cables can be connected easily. Cabling is away from sources of electrical noise. These include Power Supply lift shafts, microwa
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■ ■ ■ ■ ■ SFP transceivers are hot-insertable and hot-swappable. You can remove them from and insert them into any SFP port without Spot Checks having to power down the Switch. At frequent intervals you should visually check the Switch. Regular checks can give you an early warning of a possible failure; any problems can then be attended to when there will be Approved SFP Transceivers least effect on users. Check the following: The following list of approved SFP transceivers is correct at th
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Module Present Link/Activity : Flash = Act Use of non-3Com SFPs is not recommended. If the SFP 7 Check the Module Active LEDs on the front of the Switch to transceiver is invalid it will not be recognised by the Switch. ensure that it is operating correctly. Use the following sequence of steps to activate the SFP ports: Figure 3 Inserting an SFP Transceiver 1 Hold the transceiver so that the fiber connector is toward you and the product label is visible, as shown in Figure 3. Ensure the wir
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Baseline Switch 2816-SFPPlus MOUNTING KIT INSTRUCTIONS Figure 4 Back Mounting the Units Introduction The Switch is supplied with two mounting brackets and four screws. These are used for rack mounting the unit. When mounting the unit, you should take note of the guidelines given in “Positioning the Switch” on page 13. Rack Mounting the Units The Switch is 1U high and will fit in a standard 19-inch rack. CAUTION: Disconnect all cables from the unit before continuing. Remove the self-adhesiv
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■ ■ ■ AUTOMATIC IP CONFIGURATION This chapter explains more about IP addresses and how Switch’s MAC address in the DHCP server’s lease list. Refer to automatic IP configuration works on the Switch. “IP Settings” on page 23. For details on how to view and amend your Switch’s IP settings, 3Com recommends that you do not use DHCP Addressing, unless refer to “IP Settings” on page 23. you have experience of configuring and managing a DHCP server. How Your Switch Obtains IP Information How Automatic
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3 The Switch repeats step 2 until an unused IP address is found. 20
