3Com DUA3700-0BAA04 - Manuals

A BOUT T HIS G UIDE The CoreBuilder TM 7000 Family ATM Switches Installation and Startup Guide provides all the information you need for installing and powering up the CoreBuilder 7000 family ATM switch in ATM networking environments. This guide is intended for the system administrator, network equi...

2 A BOUT T HIS G UIDE Conventions Table 2 and Table 3 list conventions that are used throughout this guide. How to use the Fast Setup procedure Chapter 6 Installing a redundant power supply Chapter 7 Installing a redundant switching module Chapter 7 How to troubleshoot your system Chapter 8 Hardware...

Documentation 3 Documentation This section provides information about supporting documentation, including: CoreBuilder 7000 Family ATM Switch Documents Related Documents CoreBuilder 7000 Family ATM Switch Documents The CD-ROM (No. 3C37091) that comes with your system contains on-line versions of the...

4 A BOUT T HIS G UIDE The complete documentation for the CoreBuilder 7000 family is shown in Table 4. . Related Documents Documentation related to the CoreBuilder 7000 family ATM switch is presented in Table 5. . Documentation Road Map The following table helps you locate the information you need. T...

Documentation Comments 5 Documentation Comments Your suggestions are very important to us. They help us make our documentation more useful to you. Please send e-mail comments about this guide to: [email protected] Please include the following information when commenting: Document T itle I...

1 O VERVIEW This chapter contains an overview of the CoreBuilder TM 7000 family ATM switches including: CoreBuilder 7000 Family Component Summary Installing the CoreBuilder 7000 Family ATM Switch Starting up the CoreBuilder 7000 Family ATM Switch Redundancy in the CoreBuilder 7000 Family ATM Switch ...

1-2 C HAPTER 1: O VERVIEW CoreBuilder 7000 Family The CoreBuilder 7000 family ATM switches are modular, high-performance ATM switches designed to increase the capacity and manageability of enterprise networks. This allows you to scale performance to extremely high levels as your network grows and ev...

Component Summary 1-3 Component Summary Figure 1-1 shows the components of the CoreBuilder 7000 family ATM switch. Figure 1-1 Components of the CoreBuilder 7000 Family ATM Switch Enclosure The housing for the CoreBuilder 7000 family ATM switch contains 2 slots for switching modules and 4 slots for i...

1-4 C HAPTER 1: O VERVIEW Switching Module The two slots just under the power supply contain switching modules, one slot for the active switching module and one slot for the redundant switching module. The switching module is the core switching engine of the CoreBuilder 7000 family ATM switch, contr...

Starting up the CoreBuilder 7000 Family ATM Switch 1-5 Starting up the CoreBuilder 7000 Family ATM Switch You power-on and configure the CoreBuilder 7000 family ATM switch in the stages shown in Table 1-2. Redundancy in the CoreBuilder 7000 Family ATM Switch The CoreBuilder 7000 family ATM switch is...

1-6 C HAPTER 1: O VERVIEW Troubleshooting This manual contains a number of troubleshooting procedures for solving common problems. For information about troubleshooting, see Chapter 8.

2 U NPACKING I NSTRUCTIONS This chapter describes how to unpack the CoreBuilder TM 7000 family ATM switch and contains the following topics: Unpacking the CoreBuilder 7000 Family ATM Switch. Taking Inventory Unpacking the CoreBuilder 7000 Family ATM Switch Before unpacking the CoreBuilder 7000 famil...

2-2 C HAPTER 2: U NPACKING I NSTRUCTIONS Save the packaging in the event that you must return the CoreBuilder 7000 Family to 3Com or your distributor. Taking Inventory The CoreBuilder 7000 family ATM switch package should contain the items described in the following list. Check these items against t...

3 I NSTALLING A C ORE B UILDER 7000 F AMILY ATM S WITCH This chapter contains instructions for installing the CoreBuilder TM 7000 family ATM switch on a table top or in a distribution rack and making the necessary hardware connections. The topics covered in this chapter include: Safety Precautions P...

3-2 C HAPTER 3: I NSTALLING A C ORE B UILDER 7000 F AMILY ATM S WITCH Safety Precautions Read the following safety precautions carefully to reduce the risk of electric shock and fire. All servicing should be undertaken ONLY by qualified service personnel. There are no user serviceable parts inside t...

Mesures de sécurité 3-3 Nehmen Sie das Gerät NICHT in Betrieb, falls die Temperatur der Umgebung 40 Grad C übersteigt. Gehen Sie sicher, daß die Lüftungsöffnungen am Gehäuse NICHT BLOCKIERT sind. Eine offensichtlich schadhafte Einheit soll weder angeschlossen, eingeschaltet noch in Betrieb genommen ...

3-4 C HAPTER 3: I NSTALLING A C ORE B UILDER 7000 F AMILY ATM S WITCH entièrement l'unité de toute alimentation, débrancher tous les câbles d'alimentation. Preparation Before beginning the installation procedures in this chapter, ensure that the CoreBuilder 7000 family ATM switch is placed close to ...

Distribution Rack Installation 3-5 Unit and Rack Preparation To prepare the CoreBuilder 7000 family ATM switch and distribution rack for installation: 1 Attach the mounting brackets onto the sides of the CoreBuilder 7000 family ATM switch using the mounting bracket screws (M4 x 8 Phillips). 2 Determ...

3-6 C HAPTER 3: I NSTALLING A C ORE B UILDER 7000 F AMILY ATM S WITCH Mounting the CoreBuilder 7000 Family ATM Switch Once the distribution rack is ready, you can mount the CoreBuilder 7000 family ATM switch into the rack. To mount the CoreBuilder 7000 family ATM switch into the distribution rack: 1...

Power Supply Module 4-3 Power Supply Module The CoreBuilder 7000 family ATM switch provides a dual load-sharing power supply capability where the second unit can serve as a redundant power supply. For more information, see “Redundant Power Supply” on page 7-1. For certain combinations of installed i...

4-4 C HAPTER 4: I NSTALLING AND C ONNECTING C ORE B UILDER M ODULES 5 Orient the power supply so its labelling is upright. 6 Insert the power supply into the chassis by placing it between the guides of the slot and sliding it until it stops. 7 Tighten the power supply’s securing screws. 8 Connect th...

Switch Module 4-5 Installing a Switch Module To install a switch module in the CoreBuilder 7000 family ATM switch chassis: 1 Remove the new card from its antistatic bag. 2 Orient the card so its labelling is upright and make sure the inject handles are in the outward position. 3 Insert the card into...

4-6 C HAPTER 4: I NSTALLING AND C ONNECTING C ORE B UILDER M ODULES 9 Connect cables to the appropriate ports. Figure 4-2 Hot-Swapping a Switch Module or Interface Module Setting up Switch Module Redundancy This section describes procedures for installing and setting up both a main and redundant swi...

4-8 C HAPTER 4: I NSTALLING AND C ONNECTING C ORE B UILDER M ODULES LECS topology database (including: LES list and addresses, ELAN names, connection type) Static ATM addresses PVC configurations, UNI version, UNI profile, signaling. The switch is now operational. Setting up Switch Module Redundancy...

Switch Module 4-9 Preparatory Steps Carry out the following preparatory steps. 1 Install main and redundant switch modules in the switch module slot 1 and slot 2 respectively (see “Installing a Switch Module” on page 4-5). Do not run the Integrated Fast Setup yet. Each time the switch is rebooted du...

4-10 C HAPTER 4: I NSTALLING AND C ONNECTING C ORE B UILDER M ODULES To execute the RESETCFG.BAT file proceed as follows: a Perform the LMA command (1) SYS / (3) LOA / (3) LCL / 1 to put the system in Load Mode: Load. b Reboot the switch using the LMA menu command: (1) SYS / (7) RBO. The switch will...

Switch Module 4-11 7 Verify that the ELAN names in the LECS database are identical in both switch modules. Use menu item (2) LEM/(1) LCS/(5) LNT to check that the LECS database of the second switch includes the ELAN name of the first switch. For example, Elan6666_0 - Elan6666_15 LANE Redundancy Setu...

4-Port Interface Module 4-13 4-Port Interface Module This section contains the following topics: ATM Interface Daughter Cards Installing the ATM Interface Daughter Cards Installing a 4-Port Interface Module Replacing a 4-Port Interface Module ATM Interface Daughter Cards Each of the four ATM interfa...

4-Port Interface Module 4-15 Installing the ATM Interface Daughter Cards The 4-port ATM interface module can hold up to four ATM interface daughter cards. The installation procedure of the 4-port ATM interface module comprises two stages. First, you install the ATM interface daughter cards in the 4-...

4-16 C HAPTER 4: I NSTALLING AND C ONNECTING C ORE B UILDER M ODULES 4 Grab both inject handles and push them inward. This locks the card into the chassis. You may have to apply considerable pressure to the handles. An audible “click” indicates that the connectors have engaged. 5 Tighten the card’s ...

Connecting to Network Devices 4-17 Four types of connections are required: Connecting to an ATM Optical Interface Connecting the Control Terminal Connecting to the Ethernet Port Connecting to the Power Source Connecting to an ATM Optical Interface To connect a CoreBuilder 7000 family ATM switch port...

4-18 C HAPTER 4: I NSTALLING AND C ONNECTING C ORE B UILDER M ODULES CoreBuilder 7200F - Ethernet MM-820 -7.6 -15.1 7.5 HP#:HFBR-2416TCHP#:HFBR-1414T CoreBuilder 7600FX MM-1300 -19 -31 12 HP#:HFBR-5103 OC-12 MM-1300 -19 -26 7 0.8 HP#:HFBR-5208 OC-12 SM -15 -28 13 15 HP#:SDX-1622 Table 4-1 Fiber Powe...

Connecting to Network Devices 4-19 Connecting the Control Terminal The CoreBuilder 7000 family ATM switch can be configured via the LMA using the Administration Console terminal (VT100) or terminal emulator (Windows). To connect a terminal to the CoreBuilder 7000 family ATM switch control port: 1 Pr...

4-20 C HAPTER 4: I NSTALLING AND C ONNECTING C ORE B UILDER M ODULES If power cord(s) WERE NOT supplied with the unit, choose a cord based on the following information: For units installed in the USA or Canada: Select a flexible, three-conductor power cord that is UL-listed and CSA-certified, with i...

5 P OWER -O N This chapter describes the system states of the CoreBuilder TM 7000 family ATM switch including power-on and some basic diagnostic information to help you verify normal operation of your CoreBuilder system. This chapter includes the topics: System States System Power-on 4-Port Interfac...

5-2 C HAPTER 5: P OWER -O N System States This section describes the different system states of the 8-Port Board and how they are indicated on the LED display. The system states are: Power-on Normal operation Hardware fault Software fault No power to unit System States and Switching Module LEDs LED ...

System States 5-3 The following table also provides information about the LED display of system states but is organized by system status LED. Table 5-1 CoreBuilder System States System State Power (green) Fail(red) Activity (yellow) 10BASE-T Status (green) Service Port Status (green) Control Termina...

5-4 C HAPTER 5: P OWER -O N System Power-on This section describes the stages of system power-on of the CoreBuilder 7000 family ATM switch. Software Loading and Diagnostics Apply electrical power to the system by inserting the power cord in the power supply unit. The power supply indicator lights an...

4-Port Interface Module LEDs 5-5 4-Port Interface Module LEDs Figure 5-2 shows the 4-port interface module LEDs. Table 5-3 and Table 5-4 list the permanent 4-port interface module panel LEDs. Figure 5-2 Interface Module LEDs Table 5-3 Description of Interface Module LEDs LED Color Description Source...

5-6 C HAPTER 5: P OWER -O N E3/DS-3 Status LEDs The E3/DS-3 status LEDs are found on the front panel of the E3/DS-3 piggy (Figure 5-3). Table 5-5 lists the LEDs of the E3/DS-3 piggy. Figure 5-3 E3/DS-3 Status LEDs Table 5-5 E3/DS-3 Status LEDs LED Color Description LOS Loss of Signal Green On: There...

6 C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH This chapter describes the initial configuration of the CoreBuilder TM 7000 family ATM switch. Using the terminal connected to the control port, you log into the system and assign network addresses to the CoreBuilder 7000 family ATM switch. ...

6-2 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH Logging in to the LMA When you boot the CoreBuilder 7000 family ATM switch the following login screen appears: ------------------------------- - CoreBuilder 7000 - - - - ATM Backbone Switch - ------------------------------- Acc...

Integrated Fast Setup 6-3 Integrated Fast Setup This section describes the Integrated Fast Setup procedure and contains the following topics: Setup Modes Setup Procedure Sections Entering Data Navigation Aids Integrated Fast Setup Operation You use the Integrated Fast Setup procedure to configure th...

6-4 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH Chassis-wide vLANs With the Integrated Fast Setup, Virtual LANs (vLANs) can be created across the entire chassis. vLANs are set up in two stages. First, in the LE Client section, a number of potential vLANs are created accordin...

Integrated Fast Setup 6-5 alter the settings in an interface card you can use the Fast Setup of that interface card after you are finished using the Switch setup procedure. Setup Mode Selection If one of the following situations is detected, the operator is prompted to choose between the Switch and ...

6-6 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH Entering Data The Integrated Fast Setup procedure runs sequentially through the relevant data for all of the sections, displaying a prompt for each data item and a default value. If you want to change the default, enter the des...

Integrated Fast Setup 6-7 To begin the Integrated Fast Setup process, select the menu item: (9) FST: Fast Setup Note that the Integrated Fast Setup “Full” setup mode may override any specific configurations that have previously been carried out in any of the installed interface cards (see “Setup Mod...

6-8 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH Network Prefix Section In this section you are prompted for the network prefix of the switch. Enter values as appropriate. The following example shows a typical network prefix configuration. LE Parameters Section In this sectio...

Integrated Fast Setup 6-9 LECS Address Section This section prompts you for the ATM address of the LECS. Enter the user part of the LECS address; the network prefix is identical to the network prefix of the switch. The following example shows a typical LECS Address configuration: LECS Address --=---...

6-10 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH FastBUS Configuration Section This section prompts you to configure the FastBUS module. If no FastBUS module is installed, this section is skipped by the Integrated Fast Setup. To configure the FastBUS: 1 At the prompt, enter ...

6-12 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH Interface Type Section This section prompts you for the ATM interface type configuration of the ports on the Interface Modules which are installed in the CoreBuilder 7000 family ATM switch chassis. There are three interface ty...

Integrated Fast Setup 6-13 3 The LMA automatically prompts you to enter ATM addresses for the ports that you have specified as IISP. These are ATM addresses of network devices that you want the IISP port to recognize for routing purposes. They are placed in the routing table of the port. You need to...

6-14 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH LE Client Configuration Section This section prompts you for the LAN Emulation Client configuration. You give names to the ELANs that you want to be active in the network. In the Virtual Network Configuration section, you will...

6-16 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH Virtual Network Configuration Section This section prompts you for the virtual network configuration. In this section, you assign Ethernet ports to the ELANs you entered in the LE Client Configuration section. The Ethernet por...

6-18 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH Admin VN Management Configuration Section . In this section you are prompted for the Admin VN Management Configuration parameters: IP address, slot IP address, NMS address, default gateway, and subnet mask. Enter values as app...

Integrated Fast Setup 6-19 Confirmation Section This section prompts you to save all changed parameters and then prompts you to reboot the switch. Accept Changes =------------- *** Note: Change of some parameters will take effect now!! Save changes (Y/N)? Y Are you sure (Y/N)? y Saving NMS parameter...

6-20 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH Additional Switch Configuration The Integrated Fast Setup configures a minimum set of network parameters - enough to get you started. If you need to make changes or to perform additional configuration tasks, use individual ite...

Additional Switch Configuration 6-21 VC from call, save PVC connections in flash memory and reset saved connections.

6-22 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH Viewing Network Statistics At any time after configuring the CoreBuilder 7000 family ATM switch, you can view the available statistics to see how the network is functioning. For example, you may want to display the general sta...

Storing and Retrieving Configuration Parameters 6-23 Storing and Retrieving Configuration Parameters This section discusses the configuration upload/download facility and includes the following topics: Configuration Upload/Download Downloading Selected Data Types Organizing Configuration Files Activ...

Storing and Retrieving Configuration Parameters 6-25 read from the flash memory. The CoreBuilder 7000 assumes that the user wants to reboot the switch as soon as possible to activate the new configuration parameters. Therefore, subsequent to a configuration download, all LMA and SNMP set operations ...

6-26 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH 9<Other> Select File type: Enter the number of the type of configuration parameters you want to upload. For example, if you want to upload all configuration parameters, select File type 1. 4 Enter the IP address of the T...

Storing and Retrieving Configuration Parameters 6-27 6 Start upload to 100.0.0.111, file name switch/cfg/box_prof.cfg, Box Profile (Y/N)? y Load process started.. . Loading the “Other” Data Type The “Other” item allows you to specify a file type by code number. This option is relevant to configurati...

6-28 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH Make sure you select a type of card that matches the configuration data on the files you want to download. In this case, the data on the files must have been uploaded from a switch card. If you choose the wrong type, the data ...

Loading Software and Configuration Data by Batch Utilities 6-29 (1) SYS:\ (3) LOA: \(1) STS The download status is displayed as follows: Load process completed successfully. The status will be success only if all the files were successfully loaded. In case of failure to load a file, the “load all” p...

6-30 C HAPTER 6: C ONFIGURING THE C ORE B UILDER 7000 F AMILY ATM S WITCH Batch Downgrade Utilities A batch utility is also provided to let you downgrade your system from version 4.0 to the previous version 3.5. The name of the batch file is: V_35back.bat Running a Batch File To run a batch file (.b...

Loading Software and Configuration Data by Batch Utilities 6-31 d Press Enter e Choose desired option at a prompt(s) (if at all) Returning to Operational Mode After the software has been stored or retrieved, the system will still be in load mode. To return the system to normal operational mode, use ...

7 R EDUNDANCY IN THE C ORE B UILDER 7000 F AMILY ATM S WITCH This chapter describes redundancy in the CoreBuilder TM 7000 family ATM switch. The operation of each redundant device is described. For information on installing redundant devices, see Chapter 4. This chapter includes the following topics...

7-2 C HAPTER 7: R EDUNDANCY IN THE C ORE B UILDER 7000 F AMILY ATM S WITCH Power Supply Operation Load Sharing The power supplies can operate in load-sharing mode; two 90A power supplies can produce up to 180A. Providing that the power consumption of the unit does not exceed 90 A, load-sharing allow...

Redundant Power Supply 7-3 Table 7-2 Typical Power Consumption of CoreBuilder 7000 Family Cards Component Description 3Com Number Typical * Power Consumption (Amp) CoreBuilder Kit and Switching Card CoreBuilder 7000 Kit (one switching card and one power supply) 3C37000 6.3 CoreBuilder 7000 Redundant...

Redundant Power Supply 7-5 Required Power Supply for Various CoreBuilder Installations Table 7-3, which is calculated from Table 7-2, shows the number of power supplies required (Single or Dual) for various CoreBuilder 7000 installations. The first column describes the particular combination of card...

7-6 C HAPTER 7: R EDUNDANCY IN THE C ORE B UILDER 7000 F AMILY ATM S WITCH Providing Redundancy for Various Power Loads This section describes when redundant switch cards and redundant power supplies can be used in a CoreBuilder switch. In order to determine whether a redundant switch card and/or an...

Redundant Power Supply 7-7 The light load installation is illustrated by the fourth example installation in Table 7-3. In all installations that do not include multiple CB7600 cards both redundant switch cards and redundant power supplies can be installed. Power Supply Specifications 90A AC Power Su...

Redundant Switching Module 7-9 Redundant Switching Module This section covers the following topics: Need for a Redundant Switching Module Identifying the Active Switching Module Conditions for Switch-over to Redundant module Switching Module Configuration Database Info Based on the MAC Address Reset...

7-10 C HAPTER 7: R EDUNDANCY IN THE C ORE B UILDER 7000 F AMILY ATM S WITCH During the switch-over, the redundant switch reboots itself and comes up as the active one. A temporary dropping of all connections will occur during the switch-over. The connections are re-established after the switch-over ...

Redundant Switching Module 7-11 Info Based on the MAC Address Each switching module board has a unique MAC address burned into its EPROM. This MAC address is used by the CoreBuilder 7000 for three purposes: For the IP stack For the LES ATM address user part For calculating a unique number to be assi...

8 T ROUBLESHOOTING This chapter explains how to troubleshoot specific problems you may encounter during power-on and system operation. It also shows how to perform related diagnostic tasks, such as replacing fuses or cleaning fiber optic cables. If you experience problems that are not addressed in t...

8-2 C HAPTER 8: T ROUBLESHOOTING Power Supply Troubleshooting This section discusses common problems related to the CoreBuilder 7000 family ATM switch power supply. Interface Card fails If one of the interface cards fails, use the Initialize Interface (INI) option in the System (SYS) menu, Interface...

Related Diagnostic Procedures 8-3 Related Diagnostic Procedures When troubleshooting problems, you may have to perform minor procedures to help correct the problem. These procedures are described below. For more complex operations on the CoreBuilder 7000 family ATM switch, contact 3Com Technical Sup...

A C ORE B UILDER TM 7000 F AMILY ATM S WITCH S PECIFICATIONS Physical Dimensions Height: 38.8 cm (15.3 in) Width: 3.81 cm (1.5 in) Depth: 32.7 cm (12.8 in) Weight: 1.7 kg (3.74 lb) Environmental Requirements Operating Temperature 0° to 40° C (32° to 104° F) Operating Humidity 10 to 90% relative humi...

A-3 CoreBuilder Management and Interface Connectors Management Management - RJ-45 - Standard Ethernet connector Service - RS-232 - 9 pin D-type-standard DCE. Control - RS-232 - 9 pin D-type standard DCE. Interfaces ATM port OC-3-SC connector Multimode fiber ATM port OC-3-SC connector Singlemode fibe...

B S AFETY I NFORMATION This appendix contains safety information about the CoreBuilder TM 7000 family ATM switch, including: Guidelines for avoiding bodily harm. Guidelines for avoiding equipment damage. Bodily Harm To avoid bodily harm as well as possible damage to your CoreBuilder 7000 Family ATM ...

B-2 A PPENDIX B: S AFETY I NFORMATION 3Com recommends that you do not look into the laser while it is powered on, either by the naked eye or through any magnifying device. Class 1 laser products include ATM Single Mode Interface (OC-3, OC12) 8-Port Board ATM Interface Module 4-Port Board ATM Interfa...

Schäden Am Gerät B-3 When handling replacement parts, 3Com recommends that you always use a wrist strap connected to a proper ground. This helps prevent the part from being damaged by electrostatic discharge. Additionally, when not in use, the module should be stored in an antistatic bag. Cover ever...

C S ITE R EQUIREMENTS This chapter addresses the various requirements to be met when preparing the CoreBuilder TM 7000 family ATM switch site. This includes the following elements: Performing all necessary planning, ordering, installing, and maintenance. When required, contacting the appropriate fac...

C-2 A PPENDIX C: S ITE R EQUIREMENTS Power requirements: 115-Volts AC power, 15-Amp service receptacles, type N5/15 or NEMA 5-15R (for U.S.) or 220 Volts AC for Europe. Thermal Recom-mendations This sections contains recommendations for handling the heat generated by the CoreBuilder 7000 family ATM ...

Distribution Rack Requirements C-3 Ensure that all wiring closets have doors with locks to prevent unauthorized access. Provide adequate overhead lighting in the wiring closet for easy maintenance. Ensure that each wiring closet has a suitable ground. All metal racks, enclosures, boxes, and raceways...

C-4 A PPENDIX C: S ITE R EQUIREMENTS Use an open style, 19-inch rack. The rack styles shown in Figure C-1 facilitate easy maintenance and provide excellent ventilation. The rack should use the universal mounting rail hole pattern identified in IEC Standard 297. The rack should be made of steel. The ...

D T ECHNICAL S UPPORT 3Com provides easy access to technical support information through a variety of services. This appendix describes these services. Information contained in this appendix is correct at time of publication. For the very latest, 3Com recommends that you access the 3Com Corporation ...

D-2 A PPENDIX D: T ECHNICAL S UPPORT 3Com FTP Site Download drivers, patches, and software across the Internet from the 3Com public FTP site. This service is available 24 hours a day, 7 days a week. To connect to the 3Com FTP site, enter the following information into your FTP client: Hostname: ftp....

Support from Your Network Supplier D-3 Access by Digital Modem ISDN users can dial in to the 3Com BBS using a digital modem for fast access up to 56 Kbps. To access the 3Com BBS using ISDN, use the following number: 1 408 654 2703 3ComFacts Automated Fax Service The 3ComFacts automated fax service p...

D-4 A PPENDIX D: T ECHNICAL S UPPORT When you contact 3Com for assistance, have the following information ready: Product model name, part number, and serial number A list of system hardware and software, including revision levels Diagnostic error messages Details about recent configuration changes, ...

Returning Products for Repair D-5 Returning Products for Repair Before you send a product directly to 3Com for repair, you must first obtain a Return Materials Authorization (RMA) number. Products sent to 3Com without RMA numbers will be returned to the sender unopened, at the sender’s expense. To o...

E C ABLING R EQUIREMENTS This chapter addresses many aspects of installing optical fiber cabling to support the CoreBuilder 7000 family ATM switch environment. It will also deal with modem cables and Ethernet and control cables for management. The following topics are covered: Installing new cabling...

E-2 A PPENDIX E: C ABLING R EQUIREMENTS Consult the cabling system plan to set up the cable labeling and record keeping system best suited to the environment. Also consider the following recommendations: Identify cables by securely attaching a label to the ends of all cables. Draw a floor location g...

ATM Cabling E-3 ATM Cabling When planning the installation, thoroughly inspect the present cabling to determine if it meets the specifications in the cabling system or standards used at the site. In addition to adhering to the local standards, all cable must conform to the American National Standard...

E-4 A PPENDIX E: C ABLING R EQUIREMENTS Damaged Transceiver Due to Excessive Insertion Force The ATM specification for insertion force on the connector into an ATM SC receptacle is 3.5 lbs. However, it is possible to exert up to 30 lbs. of insertion force on the transceiver if you are too forceful w...

ATM Cabling E-5 *Maximum attenuation includes cable attenuation and the loss induced by other components such as connectors, splices, and the mating of unlike fiber types. Although some 2 km cable plants have a total attenuation of less than 11.0 dB, the 2 km interstation distance must be maintained...

E-6 A PPENDIX E: C ABLING R EQUIREMENTS Refer to Table E-3 for the insertion losses of the fibers themselves. Use Table E-4, which lists the losses for connectors, cables, and splices, if the specifications for these components are not available. Use Table E-3 for fiber-to-fiber connections only, no...

ATM Cabling E-7 The following calculation would arrive at the link loss attenuation value for this linked fiber (Table E-5): Table E-5 Link Loss Attenuation Calculation Because the resulting value, 7.85, does not exceed the maximum attenuation value listed in Table E-1, no adjustments are needed in ...

E-8 A PPENDIX E: C ABLING R EQUIREMENTS (500 MHz • km) / 2 km = 250 MHz The same cable would have 500 MHz of bandwidth at 1 km. A fiber cable with a bandwidth specification of 200 MHz • km would have only 100 MHz of bandwidth at 2 km, which would not support ATM. In this case, another type of fiber ...

ATM Cabling E-9 * Maximum distances assume cable with one splice every 2.2 km with 0.3 dB loss each, and with no patch panels or mechanical splices. ** Maximum attenuation includes cable attenuation and the loss induced by other components such as connectors, splices, and the mating of unlike fiber ...

E-10 A PPENDIX E: C ABLING R EQUIREMENTS Verifying Maximum Attenuation for Mixed Fibers If you mix Category 1 and Category 2 receivers and transmitters, use Table E-7 to verify the maximum attenuation for each possible combination. *This combination is dispersion-limited rather than loss-limited. Th...

Ethernet Cabling E-11 Ethernet Cabling The Ethernet port of the CoreBuilder allows you to connect the CoreBuilder to an Ethernet network for Network Management Station (NMS) connectivity (such as Transcend™). The Ethernet port is a standard RJ-45 connection of a terminal side. Follow these guideline...

E-12 A PPENDIX E: C ABLING R EQUIREMENTS Table E-9 correlates the cable pinouts between the CoreBuilder 7000 and a 9-pin and 25-pin PC-AT serial interface. Unspecified pins are unused. Table E-10 correlates cable pinouts between the CoreBuilder 7000 and a modem interface. Table E-8 Serial Port Pinou...

Ethernet Cabling E-13 Table E-10 Cable Pinouts To a Modem Interface CoreBuilder 7000 Serial Port9-pin Male To Modem Port25-pin Male Screen Shell Shell Screen TxD 2 2 RxD RxD 3 3 TxD RTS 8 4 CTS CTS 7 5 RTS DSR 4 6 DTR GND 5 7 GND RTS 1 8 DCD DTR 6 20 DSR

I NDEX 1 I NDEX Numbers 10Base-T cabling E-11 25-pin serial interface E-12 3Com bulletin board service (3Com BBS) D-2 3Com URL D-1 3ComFacts D-3 4-port interface card installing 4-13 LEDs 5-5 9-pin serial interface E-12 A AC line frequency A-2 AC protection A-1 Admin vLAN management configuring 6-18...

3Com Corporation L IMITED W ARRANTY The duration of the warranty for the CoreBuilder 7000/7000HD Chassis and Switch Engine is: Enhanced One-year Limited -— return to factory for free repair. One year warranty with 90 days of Advance Hardware Replacement service, subject to availability. The duration...