Related Manuals for 3Com Unified Gigabit Wireless PoE Switch 24 3CRWE776075
Summary of Contents for 3Com Unified Gigabit Wireless PoE Switch 24 3CRWE776075
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Page 1: Quick Start Guide
3Com 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 Unified Gigabit Wireless ®... -
Page 2: About This Guide
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;... -
Page 3: Get The Latest Documentation And Software For Your 3Com Switch
Command Line Interface Guide are also available on the 3Com website. To obtain the most up-to-date user documentation and operating software for the 3Com Unified Switch 24, point your web browser to: www.3Com.com and select the “Support and Registration” link. - Page 4 Get the latest documentation and software for your 3Com switch...
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Page 5: Table Of Contents
Rack-Mount Installation Montagesatz Anweisungen Supplying Power Stromversorgung Checking for Correct Operation Connecting to the 3Com Unified Switch 24 17 Before you begin Connecting your computer to the switch Using the setup wizard Preparing the wireless network Activating the Managed Access Points... - Page 6 Troubleshooting 33 Technical Information 35 Related Standards Environmental Physical Electrical Obtaining Support for your 3Com Product 37 Register Your Product to Gain Service Benefits Solve Problems Online Purchase Extended Warranty and Professional Services Access Software Downloads Contact Us Telephone Technical Support and Repair...
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Page 7: Introducing The 3Com Unified Gigabit Wireless Poe Switch 24
Introducing the 3Com Unified Gigabit Wireless PoE Switch 24 Figure 1 Front and Rear Views of the Unified Switch 24 Table 1 Features of the Unified Switch 24 Reference Description 10/100/1000 Mbps Network Ports (1–24): These autonegotiating ports determine the speed and duplex mode based on the connected device. - Page 8 Introducing the 3Com Unified Gigabit Wireless PoE Switch 24 Table 1 Features of the Unified Switch 24 (continued) Reference Description 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.
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Page 9: Overview Of The Unified Gigabit Wireless Poe Switch
Entweder geschützte oder ungeschützte Buchsen dürfen an diese Datensteckdosen angeschlossen werden. Overview of the The 3Com® Unified Gigabit Wireless PoE Switch 24 is a versatile, Unified Gigabit easy-to-use unified switch. It is shipped ready for use, and no Wireless PoE... -
Page 10: Wired Features
Wireless Features The 3Com Unified Switch 24 provides centralized control for up to 24 3Com 7760 or 8760 Access Points. Key wireless features include: ■... -
Page 11: Installing The 3Com Unified Switch 24
(see “Rack-Mount Installation” on page 13). When deciding where to position the switch, ensure that: ■ ■ ■ 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 It is accessible and cables can be connected easily. -
Page 12: Aufstellen Des Switch
“Choosing a Suitable Location” on page 11. 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. -
Page 13: Placing Units On Top Of Each Other
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. -
Page 14: Montagesatz Anweisungen
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“. -
Page 15: Supplying Power
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. -
Page 16: Checking For Correct Operation
Reset the switch to the factory defaults. See “Reset Button” on page 8. Check the 3Com Knowledgebase for a solution. To visit the 3Com Knowledgebase Web site, start your Web browser, and then enter http://knowledgebase.3Com.com Contact your 3Com network supplier for assistance. -
Page 17: Connecting To The 3Com Unified Switch 24
Connecting to the 3Com Unified Switch 24 This section describes how to connect to the 3Com 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... -
Page 18: Using The Setup Wizard
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. - Page 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.
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Page 20: Preparing The Wireless Network
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. -
Page 21: Activating The Managed Access Points
To prepare your wireless network follow these steps: 1 Connect the DHCP server to a port on the Unified Switch 24. Make sure that the DHCP server is on the same IP subnet and is using the same subnet mask as IP configuration of the switch. 2 Connect the wireless access points to the switch only after you have connected the DHCP server and it is fully operational. - Page 22 22 Connecting to the 3Com Unified Switch 24...
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Page 23: Preparing The Managed Access Points
Managed mode is only used if you are operating the 7760 and 8760 with the 3Com Unified Switch 24. In order to use the access points with the 3Com Unified Switch 24, you must first prepare the access points as follows: 1 Ensure the access point Stand-alone firmware is at the minimum required level. -
Page 24: Preparing The 7760 Access Point
24 Preparing the Managed Access Points Preparing the 7760 If you are not familiar with accessing the 3Com 7760 Web interface, refer Access Point to the 7760 Access Point Quick Start Guide. 1 Log on to the access point Web interface. -
Page 25: Preparing The 8760 Access Point
Preparing the 8760 If you are not familiar with accessing the 3Com 8760 Web interface, refer Access Point to the 8760 Access Point Quick Start Guide. 1 Log on to the access point Web interface. 2 Check the serial number on the back of the access point. -
Page 26: Resetting Access Points
26 Preparing the Managed Access Points Managed mode can only be discovered and managed by the 3Com Unified Switch 24. To return the access point to the default Stand-alone mode, refer to “Resetting Access Points” below. Resetting Access AP Recovery... -
Page 27: Upgrade Your Switch To The Latest Software
HTTP or TFTP. HTTP instructions are listed below. For details on TFTP please refer to the User Guide. To upgrade the switch software using HTTP: 1 Copy the latest switch software from www.3Com.com to your PC. 2 Expand the downloaded software. 3 Log in to the switch Web interface. -
Page 28: Running A New Software Image
28 Upgrade your Switch to the Latest Software Running a New This sections describes how to run software that you have uploaded to Software Image the switch. To put the software image into your switch, see “Loading Software into the Switch” on page 27. To run new software, you must set the image to become active after the switch is reset. -
Page 29: Restoring The Factory Default Settings
Restoring the Factory Default Settings CAUTION: Resetting the switch to factory defaults will erase all your settings. You will need to reconfigure all settings. To reset the switch to factory defaults: 1 Unplug the power cord from the back of the unit. 2 Press and hold the Reset button on the back of the switch. -
Page 30: Changing The Password
30 Changing the Password Changing the Password To protect your 3Com should change the default password as soon as possible. To change the password: 1 Log onto the switch. ■ ■ 2 Select Administration -> Authentication -> Password Management. 3 Click the Modify tab and enter your new password. -
Page 31: Using Sfp Transceivers
■ ■ 3Com recommends using only 3Com SFPs on the switch. If you insert an SFP transceiver that is not supported, the switch will not recognize it. Inserting and using To insert and use an SFP transceiver, follow the procedure described an SFP Transceiver below. -
Page 32: Removing An Sfp Transceiver
32 Using SFP Transceivers Figure 3 Inserting the SFP Transceiver 3 Check the SFP Module Status LEDs on the front of the switch. The corresponding LED will light to indicate the SFP module is present. 4 Remove the plastic protective cover, if fitted. 5 Connect the fiber cable. -
Page 33: Troubleshooting
Troubleshooting For complete troubleshooting information please refer to your User's Guide or visit 3Com’s World Wide Web site: http://www.3Com.com. Here are some common problems that can occur. Forgotten Password If you forget the password to the Web interface, you will need to reset the switch to factory defaults. - Page 34 Reset on the AP as described in “Resetting Access Points” on page 26. If the Problem Persists If the problem persists refer to the more detailed troubleshooting information in your User’s Guide or on the 3Com Web site. Auto-negotiation enabled, or The ports are configured for half-duplex operation The PC’s IP address is in the same IP subnet as the switch.
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Page 35: Technical Information
Technical Information Related Standards The 3Com the following standards: Function MAC Address Safety EMC Emissions Immunity Environmental Operating Temperature 0 to 40 °C (32 to 104 °F) Storage Temperature Humidity Standard ® Unified Gigabit Wireless PoE Switch 24 has been designed to IEEE 802.3 (Ethernet, 10Base-T), IEEE 802.3u (Fast... -
Page 36: Physical
36 Technical Information Physical Width Length Height Weight Mounting Electrical Power Inlet AC Line Frequency Input Voltage Current Rating Maximum Power Consumption Maximum Power Dissipation PoE Maximum Output Power per Port 44.0 cm (17.3 in.) 41.5 cm (16.3 in.) 4.4 cm (1.75 in.) or 1U. 5.9 kg (13.0 lb) Free-standing, or 19 in. -
Page 37: Obtaining Support For Your 3Com Product
To take advantage of warranty and other service benefits, you must first Product to Gain register your product at: Service Benefits http://eSupport.3Com.com 3Com eSupport services are based on accounts that are created or that you are authorized to access. Solve Problems 3Com offers the following support tool: Online ■... -
Page 38: Purchase Extended Warranty And Professional Services
3Com as a separately ordered product. Separately orderable software releases and licenses are listed in the 3Com Price List and are available for purchase from your 3Com reseller. -
Page 39: Telephone Technical Support And Repair
■ ■ ■ To send a product directly to 3Com for repair, you must first obtain a return materials authorization number (RMA). Products sent to 3Com without authorization numbers clearly marked on the outside of the package will be returned to the sender unopened, at the sender’s expense. - Page 40 40 Obtaining Support for your 3Com Product Country Telephone Number From the following countries, call the appropriate number: Austria 0800 297 468 Belgium 0800 71429 Denmark 800 17309 Finland 0800 113153 France 0800 917959 Germany 0800 182 1502 Hungary 06800 12813...