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®
3Com Unified Gigabit Wireless
PoE Switch 24
Quick Start Guide
Kurzanleitung
3CRUS2475
Copyright ® 2006 3Com Corporation. All rights reserved.
www.3Com.com
Part Number 10015246 Rev. AA
Published September 2006
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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 basic working knowledge of LANs (local area networks) and WLANs (wireless local area networks). Diese Anleitung ist fur die Benutzung durch Netzwerkadministratoren vorgesehen, die fur die Installation und das einstellen von Netzwerkkomponenten verantwortlich sind; sie setzt Erfahrung bei der Arbeit mit LANs (Local Area Networks) und WLANs ( Wirele
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3 Get the latest documentation and software for your 3Com switch ® Thank you for purchasing a 3Com Unified Gigabit Wireless PoE Switch 24. As part of our commitment to help you get the most out of your 3Com network equipment, we offer updated documentation and software on our website. In addition to this Quick Start Guide, a detailed User Guide and a Command Line Interface Guide are also available on the 3Com website. To obtain the most up-to-date user documentation and operating software
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4 Get the latest documentation and software for your 3Com switch
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5 Contents About this Guide 2 Get the latest documentation and software for your 3Com switch 3 1 Introducing the 3Com Unified Gigabit Wireless PoE Switch 24 7 Overview of the Unified Gigabit Wireless PoE Switch 24 9 Unified Switching 9 Wired Features 10 Power over Ethernet (PoE) Features 10 Wireless Features 10 2 Installing the 3Com Unified Switch 24 11 Checking the Package Contents 11 Choosing a Suitable Location 11 Aufstellen des Switch 12 Free-Standing
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6 4 Preparing the Managed Access Points 23 Preparing the 7760 Access Point 24 Preparing the 8760 Access Point 25 Resetting Access Points 26 5 Upgrade your Switch to the Latest Software 27 Loading Software into the Switch 27 Running a New Software Image 28 6 Restoring the Factory Default Settings 29 7 Changing the Password 30 8 Using SFP Transceivers 31 Approved SFP Transceivers 31 Inserting and using an SFP Transceiver 31 Removing an SFP Transceiver 32 9 Troublesh
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7 Introducing the 1 3Com Unified Gigabit Wireless PoE Switch 24 Figure 1 Front and Rear Views of the Unified Switch 24 1 & 2 3 56 7 8 4 10 9 11 Table 1 Features of the Unified Switch 24 Reference Description 1 10/100/1000 Mbps Network Ports (1–24): These autonegotiating ports determine the speed and duplex mode based on the connected device. Each port supports automatic MDI/MDIX detection and can be connected to a 10BASE-T, 100BASE-T, or 1000BASE-T device. 2 LED Port Status Indicato
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8 Introducing the 3Com Unified Gigabit Wireless PoE Switch 24 Table 1 Features of the Unified Switch 24 (continued) Reference Description 3 LED Status Select Button: This button sets the function of the Port LED indicators. When the button is in the out position, the port LEDs show the port speed (see #2 above). When the button is pressed in, the port LEDs show the PoE status. 4 SFP Module Slots (21–24): The four Small Form Factor Pluggable (SFP) transceiver slots allow you to install an SF
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Overview of the Unified Gigabit Wireless PoE Switch 24 9 WARNING: The Network Ports are shielded RJ-45 data sockets. They cannot be used as standard traditional telephone sockets, or to connect the unit to a traditional PBX or public telephone network. Connect only RJ-45 data connectors, network telephony systems, or network telephones to these sockets. Either shielded or unshielded data cables with shielded or unshielded jacks can be connected to these data sockets. AVERTISSEMENT: Points d
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10 Introducing the 3Com Unified Gigabit Wireless PoE Switch 24 Wired Features The switch has 24 shielded RJ-45, 10/100/1000 Mbps auto-negotiating ports and four Small Form Factor Pluggable (SFP) transceiver slots on the front panel. The four SFP ports support fiber Gigabit Ethernet short-wave (SX) and long-wave (LX) SFP transceivers in any combination. This offers you the flexibility of using SFP transceivers to provide connectivity between the switch and a 1000 Mbps core network. When an S
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11 Installing the 3Com Unified 2 Switch 24 Checking the The Unified Switch 24 package includes the following items: Package Contents ■ One 3Com Unified Gigabit Wireless PoE Switch 24 unit ■ One power cord ■ Four standard height, self-adhesive rubber pads ■ One mounting kit ■ One warranty flyer and one safety flyer ■ This Quick Start Guide If any of the above items are damaged or missing, please contact your network supplier immediately. WARNING: Before installing this switch, please read the s
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12 Installing the 3Com Unified Switch 24 ■ Air flow around the unit and through the vents on the side of the case is not restricted. 3Com recommends that you provide a minimum of 25 mm (1 in.) clearance. ■ The air is as free of dust as possible. ■ Temperature operating limits are not likely to be exceeded. 3Com recommends that you install the switch in a clean, air conditioned environment. When installing network equipment, it is always good practice to wear an antistatic wrist strap that i
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Rack-Mount Installation 13 If you are installing the switch in a free-standing stack with other 3Com equipment, arrange the smaller units above the larger ones. Do not have a free-standing stack of more than four units. Placing Units On Top If the switch units are free-standing, up to four units can be placed one of Each Other on top of the other. If you are mixing a variety of 3Com equipment, the smaller units must be positioned at the top. If you are placing switch units one on top of the
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14 Installing the 3Com Unified Switch 24 Figure 2 Attaching Rack-Mount Hardware Montagesatz Der Switch wird mit zwei Halterungen und vier Schrauben geliefert. Diese Anweisungen werde für den Einbau in einen Baugruppenträger benutzt. Bei der Montage der Baugruppe beachten Sie die Anweisungen aus “Aufstellen des Switch“. Der Switch ist eine Baueinheit hoch und passt in einen Standard 19'' (Zoll) Baugruppenträger. ACHTUNG: Entfernen Sie alle Kabel, bevor Sie fortfahren. Entfernen Sie die se
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Supplying Power 15 Supplying Power Ensure that the power input to your system is clean and free from sags and surges to avoid unforeseen network outages. Before powering on the switch, verify that the power cable is securely connected. CAUTION: The switch has no On/Off switch; the only method of connecting or disconnecting main power is by connecting or disconnecting the power cord. CAUTION: Connect the switch to a properly grounded electrical outlet using only the supplied power cord. 1 Pl
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16 Installing the 3Com Unified Switch 24 Checking for After you power-on the switch, it automatically performs a power-on Correct Operation self-test (POST). During the POST, the System LED on the front panel of the switch flashes green. When the POST is complete, the System LED turns green. If the System LED turns amber after the POST, it means that POST failed. Table Table 2 summarizes the possible colors for the System LED after a POST. Table 2 Possible System LED Colors After a POST
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17 Connecting to the 3Com 3 Unified Switch 24 ® This section describes how to connect to the 3Com Unified Switch 24 and interact with the Web-based user interface. The user interface allows you to control the operation of the switch and configure its features. Before you begin The following items are required before you can connect to your Unified Switch 24: ■ A Windows PC with Internet Explorer version 6.0 or greater is required for using the Web-based user interface ■ A DHCP server is req
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18 Connecting to the 3Com Unified Switch 24 CAUTION: Do not connect any network cable to the Console port on the switch. Connect only to the Ethernet ports. 3 Ensure that your computer is on the same subnet as the switch. NOTE: The switch’s default IP address is 169.254.2.100. a If your computer is using static IP addressing, ensure that its address is within the same subnet as the switch, for example 169.254.2.200. b If your computer is not using static IP addressing, Windows will automatica
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Using the setup wizard 19 5 Use the Next button to access the IP Configuration page and choose either Static or DHCP addressing. For most installations, 3Com recommends that you configure the switch with a static IP address. This makes management simpler and more reliable, as it eliminates the risk of the switch’s IP address changing. Take a moment to record the IP settings you select. IP Address: ______________________________ Subnet Mask: ______________________________ Default Gateway: ____
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20 Connecting to the 3Com Unified Switch 24 CAUTION: When you make configuration changes to the switch, you must select Save Configuration to store your settings to the startup configuration. If you do not select Save Configuration, any modified settings will be lost the next time the switch is restarted. CAUTION: To protect your switch from unauthorized access, you should change the default password as soon as possible. See “Changing the Password” on page 35. Preparing the To use the wirel
