Table of Contents
Troubleshooting
Related Manuals for 3Com 7700R - Switch Starter Kit
Summary of Contents for 3Com 7700R - Switch Starter Kit
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Page 1: Installation Guide
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 http://www.3com.com/ Part No. 10014180 Document Number: DUA1685-0AA02 Published November 2004... - Page 2 3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change. 3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose.
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Page 3: Table Of Contents
ONTENTS BOUT UIDE Conventions Related Documentation 7700 C WITCH OMPONENTS Switch Chassis Switch Backplane Fabric Module Submodule Slot Reset Button Fixed Ports Module LEDs Power LEDs Fan LED Fabric 32 Submodules 4-Port 1000BASE-X-GBIC Submodule 4-Port 10/100/1000BASE-T Submodule I/O Modules 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... - Page 4 Installation Space Installation Checklist Installing the Chassis Installing in a Standard Cabinet Installing on a Workbench Installing the Cabling Rack Installing a Module Installing a Submodule Connecting the Ground Wire Connecting and Configuring Power Connecting AC Power Cords Connecting DC Power Cords Configuring AC Power Sources Installing the Fan Assembly Installing Cables...
- Page 5 Replacing a Power Supply Replacing I/O Modules Replacing the Fan Assembly ROUBLESHOOTING Troubleshooting the Configuration No information is displayed on the terminal The displayed characters are illegible Troubleshooting Power Troubleshooting the Fan Troubleshooting the Modules 7700 C WITCH ABLES Console Cable AUX Cable Electrical Port Connector Optical Fiber Cable Connectors...
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Page 7: About This Guide
(LAN) operations and familiarity with communication protocols that are used to interconnect LANs. Always download the Release Notes for your product from the 3Com World Wide Web site and check for the latest updates to software and product documentation: http://www.3com.com... -
Page 8: Related Documentation
If 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/... -
Page 9: Switch 7700 Components
7700 C WITCH OMPONENTS The chapter describes the following Switch 7700 components: Switch Chassis ■ Switch Backplane ■ Fabric Module ■ Fabric 32 Submodules ■ I/O Modules ■ Power Module ■ Fan Assembly ■ Switch 7700 Specifications ■ Switch 7700 Software Features ■... -
Page 10: Fabric Module
1: S 7700 C HAPTER WITCH OMPONENTS Fabric Module There are two Fabric modules for the Switch 7700: Fabric 64 (3C16857 or 3C16857R) ■ Fabric 32 (3C16872) ■ The Fabric 64 and Fabric 32 are not interchangeable. You can install the Fabric 32 only in a 4-slot chassis. -
Page 11: Submodule Slot
Fabric Module Table 4 lists Fabric specifications. Table 4 Fabric Specifications Item Fabric 64 (3C16857 or 3C16857R) Fabric 32 (3C16872) Bandwidth 64 Gbps 32 Gbps MPC8260 200 Mhz BootROM 1 MB SDRAM 256 MB Flash 16 MB Submodule slot Dimensions (L x W) 366.7 mm x 340 mm (14.5 x 13.5 in) External ports One console port that supports local and remote dial-up configuration management of the switch. -
Page 12: Module Leds
1: S 7700 C HAPTER WITCH OMPONENTS Table 5 Console Port Specifications (continued) Specification Description Baud rate 9600 bps (by default) Transmission distance 15 m (45 ft) Services Connects with character terminal Connects with local or remote PC serial port and runs terminal emulation on a PC (a pair of modems are required for a remote connection) Ethernet Port... -
Page 13: Power Leds
Fabric 32 Submodules Power LEDs PWR1, PWR2, and PWR3 LEDs show the status of the power modules, as described in Table 9. Table 9 Power LEDs Description Green — The corresponding power module work is working normally. Off — The corresponding power module is not working or has not been installed. -
Page 14: 4-Port 10/100/1000Base-T Submodule
1: S 7700 C HAPTER WITCH OMPONENTS Table 12 lists the specifications for each of the 4-port 1000BASE-X-GBIC submodule. 4-Port 1000BASE-X-GBIC Submodule Specifications Table 12 Max. Optional GBIC Central Connector Interface Fiber Transmission Module Wavelength Type Specifications Distance 1000BASE-SX-MM 850 nm 50/125 µm 500 m (1640 ft) (3CGBIC91) -
Page 15: I/O Modules
I/O Modules See “Electrical Port Connector” on page 64 for an illustration of the RJ-45 connector and MDI/MDI-X pinout details. I/O Modules The Switch 7700 provides slots for three or six modules below the Fabric slots. The following I/O modules are supported: 48-port 10/100BASE-T Auto-sensing FE Module (3C16860) ■... -
Page 16: 8-Port 1000Base-X Ge Module
1: S 7700 C HAPTER WITCH OMPONENTS 1 Ethernet port 2 Ethernet port LED Each 100 Mbps Ethernet port has a green LED, indicating LINK/ACTIVE status. Table 15 describes the 48-port 10/100BASE-T Auto-sensing FE module LED. 48-Port 10/100BASE-T Auto-sensing FE module LED Table 15 Description LINK/ACT... - Page 17 I/O Modules Figure 7 8-Port 1000BASE-X GE Module Every GBIC port has a LED, as shown in Figure 8. Figure 8 Front Panel of the 8-Port 1000BASE-X GE Module 1 GBIC port 2 GBIC port LED Table 17 describes the LED.
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Page 18: 8-Port 10/100/1000Base-T Ge Module
1: S 7700 C HAPTER WITCH OMPONENTS Table 19 Specifications for the 8-Port 1000BASE-X GE Module (continued) Specification Description BootROM 512 KB SDRAM 64 MB Dimensions (L x W) 366.7 x 340 mm (14.5 x 13.4 in) Maximum power 50 W consumption Number of ports Optional GBIC module... -
Page 19: 24-Port 100Base-Fx Mmf Fe Module
I/O Modules Table 20 describes the LEDs on the 8-port 10/100/1000BASE-T GE module. Table 20 8-Port 10/100/1000BASE-T GE Module LEDs Description LINK Off — The link is not connected Green — The link is connected Off — No data is being transmitted Green flashing —... -
Page 20: 20-Port 10/100/1000Base-T Module
1: S 7700 C HAPTER WITCH OMPONENTS Each 100 Mbps optical port has a green LED, as shown in Figure 12. 24-Port 100BASE-FX MMF FE Module Figure 12 Front Panel of the 1 Ethernet port 2 Ethernet port LED Table 22 describes the status of the 24-port 100BASE-FX MMF FE module LEDs. 24-Port 100BASE-FX MMF FE Module Table 22 LEDs... - Page 21 I/O Modules Figure 13 20-Port 10/100/1000BASE-T Module Figure 14 illustrates the front panel of the 20-port 10/100/1000BASE-T module. 20-Port 10/100/1000BASE-T Module Figure 14 Front Panel of the 3C16863 3C16863 1 Ethernet port 2 Ethernet port LED Table 24 describes the 20-port 10/100/1000BASE-T module LEDs. Table 24 20-Port 10/100/1000BASE-T Module LEDs Description LINK/ACT...
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Page 22: 20-Port 1000Base-X-Sfp Module
1: S 7700 C HAPTER WITCH OMPONENTS 20-Port 10/100/1000BASE-T Module (continued) Table 25 Specifications for the Specification Description Cable and maximum Category-5 twisted pair transmission distance 100 m (300 ft) Compliance IEEE 802.3ab IEEE 802.3 IEEE 802.3u IEEE 802.3x IEEE 802.1D IEEE 802.1Q 20-Port 1000BASE-X-SFP The 20-port 1000BASE-X-SFP module provides 20 1000 BASE-X full duplex ports... -
Page 23: 1-Port 10Gbase-R-Xenpak Module
I/O Modules Table 27 lists specifications of the 20-port 1000BASE-X-SFP module. 20-Port 1000BASE-X-SFP Module Table 27 Specifications for the Specification Description 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... -
Page 24: Power Module
1: S 7700 C HAPTER WITCH OMPONENTS Table 28 describes the 1-port 10GBASE-R-XENPAK module LEDs. Table 28 1-Port 10GBASE-R-XENPAK Module LEDs Description LINK On — The port is operating Off — The port is not operating Off — No data is being transmitted Green flashing —... -
Page 25: Fan Assembly
Fan Assembly The 7- and 8-slot chassis also supports single- and dual-cord AC power module The dual-cord power module is available in two models for use with 110 V or 120 V AC current: Single-cord — 3C16854 ■ Dual-cord 120 V model — 3C16892 ■... -
Page 26: Switch 7700 Specifications
1: S 7700 C HAPTER WITCH OMPONENTS Figure 19 Fan Assembly Switch 7700 Table 32 provides detailed information about features of the Switch 7700. Specifications Table 32 Specifications for the Switch 7700 System Item 4-Slot Chassis 7-Slot Chassis 8-Slot Chassis Dimensions 436 x 352.8 x 480 mm 436 x 486.2 x 480 mm... -
Page 27: Switch 7700 Software Features
Switch 7700 Software Features Switch 7700 Software Table 33 describes the software features of the Switch 7700. Features Table 33 Switch 7700 Software Features Service Support Wire speed Layer 2 Switching capacity of 64Gbps switching Packet forwarding rate at 48Mpps Wire speed forwarding (with forwarding delay less than 10µs) for I/O module ports Port auto-negotiation... - Page 28 1: S 7700 C HAPTER WITCH OMPONENTS Table 33 Switch 7700 Software Features (continued) Service Support Load and upgrade system Xmodem protocol software FTP and TFTP...
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Page 29: Installing The Switch 7700
■ Post-installation Checklist ■ WARNING: Only trained and qualified personnel should install and maintain 3Com products. Preparing to Install This section provides guidelines for preparing your site and switch for installation. General Safety Before installing your switch, note the following safety recommendations: Recommendations Switch off the power supply before connecting the cables. -
Page 30: Electrical Safety
WARNING: Follow local safety regulations when performing any operation with the Switch 7700. Follow the related safety information and special safety instructions provided by 3Com. 3Com bears no responsibility for accidents that occur due to violations of safe operation requirements. -
Page 31: 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. For better heat dissipation and equipment maintenance, 3Com recommends that you keep the front and back of the switch more than 1 meter (3 feet) away from the walls or other devices. -
Page 32: Installing The Chassis
2: I 7700 HAPTER NSTALLING WITCH Tools ■ Phillips screwdriver ■ Flat-head screwdriver ■ Antistatic wrist strap ■ Cables ■ Console cable ■ AUX cable ■ Power cord and chassis ground wire ■ Interface cables for the selected interface modules ■... -
Page 33: Installing A Module
Installing a Module Installing a Module To install a module: 1 Wear an antistatic wrist strap. 2 Remove the blanking plate from the chassis slot and save it for future use. 3 Hold the ejector levers of the module with both hands and push them outward. 4 Align the module with the guides in the chassis and slide it gently into the slot. -
Page 34: Connecting The Ground Wire
5 Connect the other end of the ground wire to the grounding bar of the switch. If you install the switch in a cabinet, 3Com recommends that the ground wire of the switch be connected to the grounding bar of the cabinet. -
Page 35: Connecting Dc Power Cords
Connecting and Configuring Power Connecting DC Power To connect DC power cords, do the following: Cords 1 Power off all the related parts of the switch when connecting the DC power cord. 2 Loosen the mounting screw and remove the cover of the connection terminals on the DC power distribution box. -
Page 36: Installing The Fan Assembly
2: I 7700 HAPTER NSTALLING WITCH Installing the Fan To install the fan: Assembly 1 Wear an antistatic wrist strap. 2 Remove the fan frame from the pack. 3 Hold the ejector levers on the fan frame with both hands and push them outward. 4 Align the fan with the guides in the chassis and slide it gently into the slot. -
Page 37: Connecting Module Cables
Installing Cables Connecting Module This section describes how to connect electrical and optical cables. Cables Connecting Electrical Port Cables The 48-port 10/100BASE-T module and 8-port 10/100/1000BASE-T module require a RJ-45 connector and category-5 twisted pair cable. See “Electrical Port Connector” on page 64 for an illustration of the RJ-45 connector and MDI/MDI-X pinout details. -
Page 38: Installing Cabling
2: I 7700 HAPTER NSTALLING WITCH CAUTION: When connecting an SC fiber connector, the switch TX must be connected to the RX of the device on the network, and the switch RX must be connected to the TX of the device on the network. MT-RJ fiber connector The 24-port 100BASE-FX MMF FE module requires an MT-RJ optical fiber connector. -
Page 39: Post-Installation Checklist
Post-installation Checklist Follow the parameters defined in Table 35 for binding cables with ties. 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 –... - Page 40 2: I 7700 HAPTER NSTALLING WITCH...
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Page 41: Configuring The Switch
7700 ONFIGURING THE WITCH The following sections of this chapter describe how to configure and boot the Switch 7700: Configuring the Switch 7700 and a Local Terminal ■ Setting Terminal Parameters ■ Booting the Switch 7700 ■ Configuring the Configure the local terminal and Switch 7700, using Figure 22 as a reference. The Switch 7700 and a terminal (a PC in this example) is connected to the switch console port using a Local Terminal... - Page 42 3: C 7700 HAPTER ONFIGURING THE WITCH Figure 23 Connection Description Dialog Box 2 Enter the name of the new connection in the Name field and click OK. The dialog box, shown in Figure 24 displays. Select the serial port to be used from the Connect using dropdown menu.
- Page 43 Setting Terminal Parameters Figure 25 COM1 Properties Dialog 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.
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Page 44: Booting The Switch 7700
3: C 7700 HAPTER ONFIGURING THE WITCH Figure 27 Settings Tab Booting the Switch Before powering on the Switch 7700, verify that: 7700 Power cords have been properly connected. ■ The voltage of power supply can meet the requirements on the switch. ■... -
Page 45: Powering Up And Booting
Starting..RAM Line..OK System is booting..... ****************************************** Switch 7700 BOOTROM, Version 300 ****************************************** Copyright(C) 2001-2005 by 3Com Corporation, Inc. Creation date: Mar 25 2003, 09:33:05 CPU type : MPC8260 CPU Clock Speed : 200Mhz BUS Clock Speed : 66Mhz Memory Size : 256MB FAB64 self testing....... - Page 46 3: C 7700 HAPTER ONFIGURING THE WITCH 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.
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Page 47: Maintaining Software
AINTAINING OFTWARE This chapter covers the following topics: Upgrading Software ■ Lost Passwords ■ Using the BOOT Menu ■ Upgrading Software The following sections describe how to upgrade software on your Switch 7700: Upgrading the Software Image ■ Upgrading an 8-Slot Chassis ■... -
Page 48: Upgrading Software With Ftp
Privilege note: 0-VISIT, 1-MONITOR, 2-SYSTEM, 3-MANAGE <SW7700>ftp 10.10.110.1 Trying ... Press CTRL+K to abort Connected. 220 3Com 3CDaemon FTP Server Version 2.0 User(none):anonymous 331 User name ok, need password Password: xxxxxxx 230 User logged in [ftp]bin 200 Type set to I. -
Page 49: Upgrading Software Using The Boot Menu
The terminal displays the following information: Starting..RAM Line..OK System is booting....• SW 7700 BOOTROM, Version 4.00 Copyright© 2001-2005 by 3Com Corporation, Inc. Creation date : May 26 2002, 10:23:31 CPU type : MPC8260 CPU Clock Speed : 200MHz... - Page 50 4: M HAPTER AINTAINING OFTWARE Select application file to boot Display all files in flash Delete file from flash Modify bootrom password Reboot Enter your choice(0-5): Downloading an Application to Flash Memory To download an application to flash memory: 1 Select option on the Boot Menu.
- Page 51 Upgrading Software 199696 8241btm.app 2427 vrpcfg.txt 203460 lpcom400.app 228308 snec400.app The current application file is :SW7700-V300R-.app The backup application file is :SW7700-V300RE-8016.app Free Space : 7536640 bytes 2 Enter the file number of the primary image: Please input the primary image file number :13 3 To confirm this choice, type Y at the prompt: The file you selected is snec400.app, are you sure? Yes or No(Y/N) Y On reboot,snec400.app will become the default primary image file!
- Page 52 4: M HAPTER AINTAINING OFTWARE There is one passed image in addition: File Number File Size(bytes) File Name ======================================================== 6256229 SW7700-V300RE-8016.app Press Ctrl+B to enter Boot Menu... 0 Auto-booting....Auto booting file is snec400.app No LPU application file < vxworks.app > in flash Please download LPU application file vxworks.app to flash No correct main file to boot! loading backup image file to boot!
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Page 53: Upgrading Software Using Xmodem
Upgrading Software Starting at 0x60000... The primary image name is saved in flash memory, the secondary image name is saved in the EPPROM. However, if you use the display boot command to display the boot image it will only read from flash so only the primary image will be displayed. - Page 54 4: M HAPTER AINTAINING OFTWARE 7 Change the baud rate set at the configuration terminal, so that the baud rate is consistent with the selected download baud rate of the software. 8 Disconnect the terminal and reconnect it. 9 Press Enter to start downloading. The terminal displays the following information: Now please start transfer file with XMODEM protocol.
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Page 55: Upgrading Software Using Tftp
Lost Passwords Upgrading Software TFTP (Trivial File Transfer Protocol) is a simple file transfer protocol that is used Using TFTP without complex interaction between clients and servers. The client initiates a TFTP transmission. To download files, the client sends a read request packet to the TFTP server, receives the packet from the server, and sends the acknowledgement to the server. - Page 56 HAPTER AINTAINING OFTWARE RAM Line..OK System is booting....• SW 7700 BOOTROM, Version 4.00 Copyright© 2001-2005 by 3Com Corporation, Inc. Creation date : May 26 2002, 10:23:31 CPU type : MPC8260 CPU Clock Speed : 200MHz BUS Clock Speed : 66MHz...
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Page 57: Maintaining Hardware
AINTAINING ARDWARE This chapter covers the following topics: Replacing a Power Module ■ Replacing a Power Supply ■ Replacing I/O Modules ■ Replacing the Fan Assembly ■ The procedures in this chapter should be performed by trained service personnel only. Replacing a Power The single-cord power module in the 7- and 8-slot AC chassis of the Switch 7700 Module... -
Page 58: Replacing A Power Supply
5: M HAPTER AINTAINING ARDWARE 4 Tighten the retaining screw on the lower right front of the power supply. 5 Connect 2 power cords to the power module. 6 Connect the power cords to separate AC power sources on separate power grids or to a UPS/backup power system. -
Page 59: Replacing I/O Modules
Replacing I/O Modules CAUTION: Do not clean the filter while it is in position at the front of the power supply. Attempts to do so could result in damage to the equipment or severe electrical shock. Replacing I/O Modules To replace an I/O module, you need: An antistatic wrist strap ■... - Page 60 5: M HAPTER AINTAINING ARDWARE 4 With both hands, pull out the ejector levers of the fan that will be installed. Align it with the guides in the chassis and slide it gently into the slot until you feel the positioning pin on the handle bar touch the hole in the chassis.
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Page 61: Troubleshooting
ROUBLESHOOTING This chapter covers the following topics: Troubleshooting the Configuration ■ Troubleshooting Power ■ Troubleshooting the Fan ■ Troubleshooting the Modules ■ The simplest way to diagnose a fault is to check the system status LEDs on the Fabric modules. In addition, with the DeviceMgr network management system, you can also locate the fault through management software. -
Page 62: Troubleshooting The Fan
6: T HAPTER ROUBLESHOOTING Table 37 describes power LEDs on the Fabric. (continued) Table 37 Power LEDs on the Fabric Status Description On — The power is working normally. Off — The power has failed or has not been installed. FAIL On —... -
Page 63: Switch 7700 Cables
7700 C WITCH ABLES This appendix covers the following types of cables and connectors: Console Cable ■ AUX Cable ■ Electrical Port Connector ■ Optical Fiber Cable Connectors ■ Console Cable Figure 30 illustrates the console cable and connectors. Figure 30 The Console cable Enlarged A side Enlarged A side DB25 Female... - Page 64 A: S 7700 C PPENDIX WITCH ABLES Figure 31 The AUX Cable DB25 Male DB25 Male 8P8C Plug 8P8C Plug Enlarged A side Enlarged A side Label Label Enlarged B side Enlarged B side DB9Male DB9Male Enlarged C side Enlarged C side Table 41 lists the AUX cable pin-outs.
- Page 65 Optical Fiber Cable Connectors Table 42 RJ-45 MDI Port Pin-outs (continued) Pinout 10BASE-T/100BASE-TX 1000BASE-T Receive data BIDB+ Send data to direction B Reserved BIDC+ Receive data from direction C Reserved BIDC- Send data to direction C Receive data BIDB- Receive data from direction B Reserved BIDD+ Send data to direction D...
- Page 66 A: S 7700 C PPENDIX WITCH ABLES 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...
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Page 67: Obtaining Upport For Your
Downloads software initially purchased with the product. In order to access these Software Updates you must first register your product on the 3Com web site at http://eSupport.3com.com/ First time users will need to apply for a user name and password. A link to... -
Page 68: Contact Us
Details about recent configuration changes, if applicable ■ To send a product 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. - Page 69 Switzerland 08488 50112 Italy 199 161346 U.K. 0870 241 3901 You can also obtain support in this region using the following URL: http://emea.3com.com/support/email.html Latin America Telephone Technical Support and Repair Antigua 1 800 988 2112 Guatemala AT&T +800 998 2112...
- Page 70 B: O PPENDIX BTAINING UPPORT FOR YOUR WITCH...