3Com 3C16850 Installation Manual Download

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Switch 7700

Installation Guide

Version 3.0

3C16850 7-slot Starter Kit
3C16852 8-slot Starter Kit
3C16870 4-slot Starter Kit
and associated modules

Part No. 10014180

Document Number: DUA1685-0AA02

Published November 2004

Summary of Contents for 3C16850

Page 1: ... Switch 7700 Installation Guide Version 3 0 3C16850 7 slot Starter Kit 3C16852 8 slot Starter Kit 3C16870 4 slot Starter Kit and associated modules Part No 10014180 Document Number DUA1685 0AA02 Published November 2004 ...

Page 2: ...ver is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com and the 3Com logo are registered trademarks of 3Com Corp...

Page 3: ...Modules 15 48 port 10 100BASE T Auto sensing FE Module 15 8 port 1000BASE X GE Module 16 8 port 10 100 1000BASE T GE Module 18 24 port 100BASE FX MMF FE Module 19 20 Port 10 100 1000BASE T Module 20 20 Port 1000BASE X SFP Module 22 1 Port 10GBASE R XENPAK Module 23 Power Module 24 Fan Assembly 25 Switch 7700 Specifications 26 Switch 7700 Software Features 27 INSTALLING THE SWITCH 7700 Preparing to...

Page 4: ...odule Cables 37 Installing Cabling 38 Bench Mounted Switch 38 Rack Mounted Switch 38 Cable Binding 38 Post installation Checklist 39 CONFIGURING THE SWITCH 7700 Configuring the Switch 7700 and a Local Terminal 41 Setting Terminal Parameters 41 Booting the Switch 7700 44 Powering up and Booting 45 MAINTAINING SOFTWARE Upgrading Software 47 Upgrading the Software Image 47 Upgrading an 8 Slot Chassis...

Page 5: ... 61 Troubleshooting Power 61 Troubleshooting the Fan 62 Troubleshooting the Modules 62 SWITCH 7700 CABLES Console Cable 63 AUX Cable 63 Electrical Port Connector 64 Optical Fiber Cable Connectors 65 OBTAINING SUPPORT FOR YOUR SWITCH Register Your Product to Gain Service Benefits 67 Purchase Value Added Services 67 Troubleshoot Online 67 Access Software Downloads 67 Contact Us 68 Telephone Technica...

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Page 7: ... lists icon conventions that are used throughout this guide Table 2 lists text conventions that are used throughout this guide Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerts you to potential loss of data or potential damage to an application system or device Warning Information that al...

Page 8: ...information in this guide differs from information in the release notes use the information in the Release Notes These documents are available in Adobe Acrobat Reader Portable Document Format PDF on the CD ROM that accompanies your router or on the 3Com World Wide Web site http www 3com com Words in italics Italics are used to Emphasize a point Denote a new term at the place where it is defined in...

Page 9: ... Switch 7700 backplane is part of the integrated chassis and delivers high speed data transfer between the Fabric and I O modules The backplane bandwidth capacity is 120 Gbps The backplane supports the following functions Interconnection of signals between modules Provides communication channels Hot swapping for modules Auto recognition of slots Distribution of power and management of the power su...

Page 10: ...e backplane and forwards Layer 2 and Layer 3 data Manages and calculates routing Performs the switch s software upgrade and system reset functions Monitors system power and the fan frame Figure 1 illustrates the front panel of the Fabric 64 Figure 1 Fabric 64 1 Reset button 2 Console port 3 Ethernet port 4 Ethernet port LEDs 5 Fan LEDs 6 Power module LEDs 7 I O module LEDs Figure 2 illustrates the...

Page 11: ...nagement and loading application files The console port can also be connected to a modem for functions such as remote system debugging configuration maintenance and management You can configure the baud rate on the console port Table 5 lists console port specifications Table 4 Fabric Specifications Item Fabric 64 3C16857 or 3C16857R Fabric 32 3C16872 Bandwidth 64 Gbps 32 Gbps CPU MPC8260 200 Mhz B...

Page 12: ...port and runs terminal emulation on a PC a pair of modems are required for a remote connection Table 6 Ethernet Port Specifications Specification Description Port connector RJ 45 Number of port s 1 Port speed 10 Mbps half full duplex 100 Mbps half full duplex MDIX Cable and maximum transmission distance Category 5 twisted pair for transmission within 100 m 300 ft Port function Switch software upgr...

Page 13: ...hernet GBIC port 2 Ethernet GBIC port LED Table 11 describes the 4 port 1000BASE X GBIC submodule LEDs Table 9 Power LEDs LED Description OK Green The corresponding power module work is working normally Off The corresponding power module is not working or has not been installed FAIL Green The corresponding power module is not working Off The corresponding power module works normally or has not bee...

Page 14: ...cifications Max Transmission Distance 1000BASE SX MM 3CGBIC91 850 nm SC 50 125 µm multi mode fiber 62 5 125 µm Multi mode fiber 500 m 1640 ft 220 m 722 ft 1000BASE LX SM IR 3CGBIC92 1310 nm SC 9 125 µm Single mode fiber 10 km 6 mi 1000BASE LX SM 3CGBIC97 1550 nm SC 9 125 µm Single mode fiber 40 km 25 mi 70 km 43 5 mi Table 13 4 Port 10 100 1000BASE T Submodule LEDs LED Description LINK Off The lin...

Page 15: ...Module 3C16875 Consider the following when selecting I O modules You can configure several I O modules of the same type All I O module slots are the same and any combination of I O modules can be inserted You must select I O module port cables that are compatible with each installed I O module 48 port 10 100BASE T Auto sensing FE Module The 48 port 10 100BASE T Auto sensing FE module provides 48 e...

Page 16: ...ollowing modules are available 3CGBIC91 3CGBIC92 3CGBIC97 Figure 7 illustrates the 8 port 1000BASE X GE module Table 15 48 Port 10 100BASE T Auto sensing FE module LED LED Description LINK ACT Green The port is connected Off The port is not connected Green flashing Data is being transmitted Table 16 Specifications for the 48 Port 10 100BASE T Auto sensing FE Module Specification Description CPU MP...

Page 17: ...8 Table 19 describes the specifications of the 8 port 1000BASE X GE module Table 17 8 Port 1000BASE X GBIC GE Module LED LED Description LINK Off The link is not connected Green The link is connected ACT Off No data is being transmitted Green flashing Data is being transmitted or received Table 18 GBIC Module Port Cables GBIC Module Type Central Wave Length 3CGBIC91 850 nm 3CGBIC92 1550 nm 3CGBIC9...

Page 18: ...100 1000BASE T GE module has 2 LEDs as shown in Figure 10 Figure 10 Front Panel of the 8 Port 10 100 1000BASE T GE Module 1 Ethernet port 2 Ethernet port LEDs BootROM 512 KB SDRAM 64 MB Dimensions L x W 366 7 x 340 mm 14 5 x 13 4 in Maximum power consumption 50 W Number of ports 8 Optional GBIC module types 3CGBIC 91 3CGBIC 92 3CGBIC 97 Port transmission speed 1000 Mbps full duplex Compliance IEEE...

Page 19: ...ription LINK Off The link is not connected Green The link is connected ACT Off No data is being transmitted Green flashing Data is being transmitted or received Table 21 Specifications for the 8 Port 10 100 1000BASE T GE Module Specification Description CPU MPC850 BootROM 512 Kb SDRAM 64 MB Dimensions L x W 366 7 x 340 mm 14 5 x 13 4 in Maximum power consumption 50 W Connector type RJ 45 Number of...

Page 20: ...ASE T module provides 20 10 100 1000BASE T auto sensing Ethernet ports Figure 13 illustrates the 20 Port 10 100 1000BASE T Module Table 22 24 Port 100BASE FX MMF FE Module LEDs LED Description LINK ACT Green The port is connected Off The port is not connected Green flashing Data is being transmitted or received Table 23 Specifications for the 24 Port 100BASE FX MMF FE Module Specification Descript...

Page 21: ...1000BASE T module Table 24 20 Port 10 100 1000BASE T Module LEDs LED Description LINK ACT Off The port is not operating On The port is operating Green flashing The port is transmitting data Table 25 Specifications for the 20 Port 10 100 1000BASE T Module Specification Description CPU MPC8241LZU200 BootROM 512 KB SDRAM 64 MB Dimensions L x W 366 7 x 340 mm 14 5 x 13 4 in Power consumption 45 W Conn...

Page 22: ...ort 1000BASE X SFP Module 1 Ethernet port 2 Ethernet port LED Table 26 describes the 20 port 1000BASE X SFP module LEDs Cable and maximum transmission distance Category 5 twisted pair 100 m 300 ft Compliance IEEE 802 3ab IEEE 802 3 IEEE 802 3u IEEE 802 3x IEEE 802 1D IEEE 802 1Q Table 25 Specifications for the 20 Port 10 100 1000BASE T Module continued Specification Description Table 26 20 Port 10...

Page 23: ...cifications for the 20 Port 1000BASE X SFP Module Specification Description CPU MPC8241LZU200 BootROM 512 KB SDRAM 64 MB Dimensions L x W 366 7 x 340 mm 14 5 x 13 4 in Power consumption 35 W Connector SFP socket Number of ports 20 Transmission rate 1000 Mbps full duplex Cable and maximum transmission distance 1000BASE SX SFP multi mode optical fiber short haul 1000BASE LX SFP single mode optical f...

Page 24: ... The port is not operating ACT Off No data is being transmitted Green flashing Data is being transmitted Table 29 Specifications for the 1 Port 10GBASE R XENPAK Module Specification Description CPU MPC8245 BootROM 512 KB SDRAM 64 MB Dimensions L x W 366 7 x 340 mm 14 5 x 13 4 in Power consumption 35 W Connector SC Number of ports 1 Transmission rate 10 Gbps full duplex Cable and maximum transmissi...

Page 25: ... Assembly The fan assembly consists of two to four individual fans and is located on the right side of the chassis 4 slot chassis 3C16871 7 slot chassis 3C16856 8 slot chassis 3C16855 The fans are directly connected to the backplane through connectors Fan operation fault signals are collected and transmitted to the system alarm board through the backplane Figure 19 illustrates the fan assembly for...

Page 26: ...ic slots 1 1 2 Fabric submodule options 4 port 1000BASE X GBIC 4 port 10 100 1000BASE T I O Module options 48 port 10 100BASE T Auto sensing FE Module 8 port 1000BASE X GE Module 8 port 10 100 1000BASE T GE Module 24 port 100BASE FX MMF FE Module 20 Port 10 100 1000BASE T Module 20 Port 1000BASE X SFP Module 1 port 10GBASE R XENPAK Module System switching 32 Gbps 64 Gbps Packet processing 24 Mpps ...

Page 27: ...s complies with IEEE 802 1Q standard Port based VLAN GARP and GVRP Routing between VLANs Broadcast storm suppression Supported Network protocol TCP IP stack ARP DHCP Relay IP address table Up to 64K IP address forwarding entries IP routing Static routing RIP Version 1 and 2 OSPF Version 2 Multicast GMRP IGMP PIM DM PIM SM AAA and Security Access user authentication complies with IEEE 802 1x Local ...

Page 28: ...28 CHAPTER 1 SWITCH 7700 COMPONENTS Load and upgrade system software Xmodem protocol FTP and TFTP Table 33 Switch 7700 Software Features continued Service Support ...

Page 29: ...paring your site and switch for installation General Safety Recommendations Before installing your switch note the following safety recommendations Switch off the power supply before connecting the cables Keep the switch away from heat sources To ensure normal heat dissipation do not stack switches Do not keep the switch in a damp place and prevent liquid from getting into the switch Ensure that t...

Page 30: ...er move suddenly or twist your body Always disconnect all external cables including power cord before lifting or moving the chassis Do not hold the power handles when carrying the switch Do not put fingers into the vent of the chassis when carrying the switch Since the power handles and vent have not been designed to bear the weight of the entire chassis using them to carry the switch may damage t...

Page 31: ...phone cable or other external line Ensure that the PGND wire of the chassis is well grounded Ensure that the neutral point of the socket of AC power supply is well grounded Install a lightning arrester at the input end of the power supply Installation Space The Switch 7700 is a complex piece of equipment so it is necessary to make arrangements for the installation position power supply and cabling...

Page 32: ...install the Switch 7700 in the cabinet 1 Carry the switch to the front of the cabinet At least two people are required to move the switch 2 Put the switch on the tray or the guides and push it into the cabinet 3 Fix the switch in the cabinet with the combination screw and floating nuts that are shipped with the switch Installing on a Workbench To install the switch on a workbench take the followin...

Page 33: ...ric 32 you need the following tools Phillips head screwdriver 2 Small pliers Do the following 1 Wear an antistatic wrist strap 2 Unfasten the screws on the Fabric 32 printed circuit board at locations M11 and M18 3 Unfasten and remove the submodule blanking plate from the Fabric 32 4 Fasten the screw with guide pin on the Fabric 32 printed circuit board at location M2 1 5 Fasten the four hexagonal...

Page 34: ...slot chassis offers power modules with one or two power cords The power module in the 4 slot chassis has two power cords In addition the 8 slot chassis is available with either AC or DC power modules Connecting AC Power Cords To connect AC power cords 1 Power off all the related parts of the switch before connecting the AC power cord 2 Plug the power cord into the socket in the switch and attach t...

Page 35: ...d fasten the mounting screws 7 Connect the other end of the DC power cord to the connection terminal for power input to the switch Figure 21 Connecting the DC Power Cord 1 48 V input 2 Return 3 Grounding screw 4 Fastening screw Configuring AC Power Sources The dual AC input power module uses an internal switch that automatically selects the primary power source However to select the primary power ...

Page 36: ...nd has both a DB 9 hole connector and a DB 25 hole connector for connection to a 9 hole or 25 hole serial port at the configuration terminal See Console Cable on page 63 for cable illustration and pinout details To connect a terminal or PC to the Switch 7700 using the console cable 1 Plug the DB 9 or DB 25 female plug of the console cable to the serial port of the PC or the terminal where the swit...

Page 37: ...GBIC submodule When connecting optical fiber cables use the fiber connectors that are appropriate for the optical port type of the peer equipment that is connected to the local network port module See Optical Fiber Cable Connectors on page 65 for illustrations of the fiber optic cable connectors Single mode optical fiber cable is used for external connections of the single mode optical port Multi ...

Page 38: ...em on the floor of the chassis Power cords run out of the rear left of the chassis and on a cable rack or under a raised floor Cable Binding Keep the following precautions in mind as you bind cables Do not allow cables to twist or bend as you bind them The cable body cannot be bent at an angle that is more than twice its diameter The cable running out of a connector cannot be bent more than five t...

Page 39: ...u have turned off the power before checking your installation Improper connections can injure people or damage components of the switch Table 35 Cable Binding Parameters Cable Bundle Diameter Space Between Bundles 10 mm 0 5in 80 150 mm 3 5 6 in 10 30 mm 5 1 2 in 150 200 mm 6 8 in 30 mm 1 2 in 200 300 mm 8 12 in Table 36 Installation Checklist Item Normal Abnormal Remarks Antistatic wrist strap Con...

Page 40: ...40 CHAPTER 2 INSTALLING THE SWITCH 7700 ...

Page 41: ...nnected to the switch console port using a console cable Figure 22 Connecting the Switch 7700 to a PC 1 Plug the DB 9 or DB 25 female plug of the console cable into the serial port of the PC or the terminal where the switch will be configured 2 Connect the RJ 45 connector of the console cable to the console port of the switch Setting Terminal Parameters To set terminal parameters and open a HyperT...

Page 42: ...e dialog box shown in Figure 24 displays Select the serial port to be used from the Connect using dropdown menu Figure 24 Properties Dialog Box 3 After selecting serial ports click OK The port shown in Figure 25 displays and you can set serial port parameters Set the following parameters Baud rate 9600 Databit 8 Parity check none Stopbit 1 Flow control none ...

Page 43: ...log Box 4 Click OK The HyperTerminal dialogue box displays as shown in Figure 26 Figure 26 HyperTerminal Window 5 Select Properties 6 In the Properties dialog box select the Settings tab shown in Figure 27 7 Select VT100 in the Emulation dropdown menu 8 Click OK ...

Page 44: ...fore powering on the Switch 7700 verify that Power cords have been properly connected The voltage of power supply can meet the requirements on the switch The console cable has been connected properly The PC or terminal for configuration has been started The terminal parameters have been set ...

Page 45: ...nes Selftest OK 60X_SDRAM fast selftest OK Please check LEDs LEDs selftest finished Switch chip selftest OK CPLD selftest OK The switch Mac address is 00E0 FC00 7505 Press Ctrl B to enter Boot Menu 5 To enter Boot Mode see Chapter 6 press Ctrl B during the 5 seconds that Press Ctrl B to enter Boot Menu 5 is displayed To perform decompression immediately press ESC while this message is displayed If...

Page 46: ...CONFIGURING THE SWITCH 7700 The display of these messages indicates the completion of the switch auto booting Press Enter and the terminal screen displays 3Com You can now begin the configuration for the Switch 7700 ...

Page 47: ...ing Software with FTP on page 48 Upgrading Software Using The BOOT Menu page 49 Upgrading Software Using Xmodem page 53 Upgrading Software Using TFTP page 55 Upgrading an 8 Slot Chassis Before you upgrade the software image of an 8 slot Switch 7700 there are several things to remember A Fabric from a 7 slot chassis should be installed in Slot0 in an 8 slot chassis and must be upgraded to V3 0 8 sl...

Page 48: ... the system with super user privileges 2 From the SW7700 command line transfer the file from the FTP server to the system using the ftp command 3 Specify the file to boot the system from using the boot command 4 Reboot the system using the reboot command The following example illustrates this procedure SW7700 su Password Now user privilege is 3 level and just commands which level is equal to or le...

Page 49: ...d 66MHz Memory Size 128MB SW 7700 main board self testing 60X_SDRAM Data lines Selftest OK 60X_SDRAM Address lines Selftest OK 60X_SDRAM fast selftest OK LOCAL_SDRAM Data lines Selftest OK LOCAL_SDRAM Address lines Selftest OK LOCAL_SDRAM fast selftest OK Please check leds Led selftest finished Switch chip selftest OK CPLD selftest OK Press Ctrl B to enter Boot Menu 1 Press Ctrl B The system displ...

Page 50: ... Type Y at the download prompt so the system downloads the file to flash Are you sure to download file to flash Yes or No Y N y 4 After the download is complete select option 0 to return to the boot menu 5 From the boot menu select option 2 then select the newly downloaded file Selecting the Application File for the Boot If the Switch 7700 primary image fails because of a CRC error or a file forma...

Page 51: ...rompt The file you selected is SW7700 V300R app are you sure Yes or No Y N y On reboot SW7700 V300R app will become backup image file 6 Type Y to run the primary image Do you want to run snec400 app now Yes or No Y N Y No Backup Image If you do not enter the number of a backup boot file the following text displays Please input the backup boot file number Input Error Failed to select backup image f...

Page 52: ...plication file vxworks app to flash No correct main file to boot loading backup image file to boot Auto booting backup file is SW7700 V300R app Assert at file vfs_flsh c Line 4549 There are 3 files in this package SRPU app file error backup boot file is corrupted Select a file to boot from the num is 1 the num is 2 File SW7700 V300RE 8016 app is selected for autoBoot backup file is SW7700 V300RE 8...

Page 53: ...s the packet according to the negotiated means after receiving a complete packet The acknowledgement characters are sent after passing the check and then the sending program continues to send the next packet If the check fails negative characters are sent and the sending program sends the packet again 1 Enter 1 in the BOOT Menu and press Enter The system accesses the download application file menu...

Page 54: ...s Ctrl X Waiting CCCCC 10 Select Transfer Send File from the terminal window 11 Click Browse in the Send file dialog box shown in Figure 28 and select the application you want to download Figure 28 Send File dialog box 12 Change the protocol name for the download to Xmodem 13 Click Send The dialog box shown in Figure 29 displays Figure 29 Xmodem File Send Dialog Box 14 After the download is comple...

Page 55: ...orrect directory To upgrade using TFTP 1 Verify that you are logged in with super user privileges 2 From the Switch 7700 command line in user view TFTP the image file from the TFTP server to the Switch 7700 using the following command tftp TFTP Server IP Address get Source File image Dest File Optional 3 Set the boot parameters to specify the file to boot the system from using the following comman...

Page 56: ...ntents displayed on the terminal can vary with different versions of Boot ROM If you press Ctrl B immediately the system displays the Boot Menu If you do not press Ctrl B the system initiates the program decompression process At this time if you want to access the BOOT Menu you must reboot the switch Press Ctrl B The system displays Initialize flash file system Please wait Password Enter the BootR...

Page 57: ...move the power module do the following 1 Power off the Switch 7700 2 Remove the power cord from both the power module and the AC power socket 3 Loosen the retaining screw that secures the power supply on the lower right front of the power supply 4 Remove the power supplies approximately 2 inches 5 cm from the chassis to disconnect the power supply AC connectors from the AC power module 5 Loosen an...

Page 58: ... for dust proofing and heat dissipation 4 Remove the new power supply from the package and check the input mode 5 Support the power supply in one hand and hold the handle with another hand Align the supply with the guides in the chassis and slide the supply gently into the slot CAUTION As you are inserting the power supply if the pin terminal springs up the pin cannot be seated into the hole and t...

Page 59: ...nstall a replacement module 1 With both hands hold the ejector levers on the module that will be installed 2 Align the module with the guides in the chassis and slide it into the slot gently until you feel the positioning pin on the handle bar touch the hole in the chassis 3 Press the ejector levers inward and seat the pin on the handle bar into the positioning hole in the chassis 4 Fasten the cap...

Page 60: ...it gently into the slot until you feel the positioning pin on the handle bar touch the hole in the chassis 5 Press the ejector levers inward and seat the pin on the handle bar into the positioning hole in the chassis WARNING If the fan fails replace it with a new one without delay before operating the Switch 7700 Failure to do so will cause the switch to overheat ...

Page 61: ...information displayed on the terminal after the Switch 7700 is powered on check that The power system is working normally The Fabric is working normally The console cable has been connected to the console port in the Fabric If this procedure does not reveal the problem verify that the console cable is properly connected and that the configuration terminal is set correctly The displayed characters ...

Page 62: ... the ALM LED remains on After normal booting it is off When resetting the module if the ALM LED remains off the module may not be connected to the power source Check that the module has been properly installed in the correct position continued Table 37 Power LEDs on the Fabric LED Status Description OK On The power is working normally Off The power has failed or has not been installed FAIL On The ...

Page 63: ...onnectors Figure 30 The Console cable Table 40 lists console cable pin outs AUX Cable Figure 31 illustrates the AUX cable Table 40 Console Cable Pin outs RJ 45 Signal Direction DB 25 DB 9 1 RTS 4 7 2 DTR 20 4 3 TXD 2 3 4 CD 8 1 5 GND 7 5 6 RXD 3 2 7 DSR 6 6 8 CTS 5 8 Enlarged A side Enlarged A side DB25 Female DB25 Female 8P8C Plug 8P8C Plug Enlarged B side Enlarged B side DB9 Female DB9 Female En...

Page 64: ...Direction DB 25 DB 9 1 RTS 4 7 2 DTR 20 4 3 TXD 2 3 4 CD 8 1 5 GND 7 5 6 RXD 3 2 7 DSR 6 6 8 CTS 5 8 Enlarged B side Enlarged B side Enlarged A side Enlarged A side Enlarged C side Enlarged C side DB25 Male DB25 Male Label Label DB9Male DB9Male 8P8C Plug 8P8C Plug Table 42 RJ 45 MDI Port Pin outs Pinout 10BASE T 100BASE TX 1000BASE T Signal Function Signal Function 1 Tx Send data BIDA Send data to...

Page 65: ...7 Reserved BIDD Send data to direction D 8 Reserved BIDD Receive data from direction D Table 43 RJ 45 MDI X Port Pinouts Pinout 10BASE T 100 BASE TX 1000BASE T Signal Function Signal Function 1 Rx Receive data BIDB Send data to direction B 2 Rx Receive data BIDB Receive data from direction B 3 Tx Send data BIDA Send data to direction A 4 Reserved BIDD Receive data from direction D 5 Reserved BIDD ...

Page 66: ...66 APPENDIX A SWITCH 7700 CABLES Figure 34 illustrates the MT RJ fiber optic cable connector Figure 34 The MT RJ Fiber Connector Figure 35 illustrates the LC connector Figure 35 LC Connector ...

Page 67: ... 3Com Extended Warranty and Professional Services is available at http www 3com com Contact your authorized 3Com reseller or 3Com for additional product and support information Troubleshoot Online You will find support tools posted on the 3Com web site at http www 3com com 3Com Knowledgebase helps you troubleshoot 3Com products This query based interactive tool is located at http knowledgebase 3co...

Page 68: ...uct directly to 3Com for repair you must first obtain a return 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 If your product is registered and under warranty you can obtain an RMA number online at http eSupport 3com com First time users will need to apply for ...

Page 69: ...ao Ecuador Dominican Republic 1 800 988 2112 0 810 444 3COM 1 800 998 2112 1 800 998 2112 1 800 998 2112 52 5 201 0010 1 800 998 2112 1 800 998 2112 0800 13 3COM 1 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 1 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 Guatemala Haiti Honduras Jamaica Martinique Mexico Nicaragua Panama Paraguay Peru Puerto Rico Salvador Trinidad and To...

Page 70: ...70 APPENDIX B OBTAINING SUPPORT FOR YOUR SWITCH ...

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