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3Com CoreBuilder 9000 Getting Started Manual

3Com CoreBuilder 9000 Getting Started Manual

Atm interface module
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Part No. DIA-C900-2FAA04
Published August 1999
CoreBuilder
ATM Interface Module
Getting Started Guide
Software Release 3.0
9000
®

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  • Page 1 CoreBuilder 9000 ® ATM Interface Module ® Getting Started Guide Software Release 3.0 http://www.3com.com/ Part No. DIA-C900-2FAA04 Published August 1999...
  • Page 2 3Com Corporation reserves the right to revise this documentation and to make changes in content from time 95052-8145 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.

  • Page 3: Table Of Contents

    ONTENTS BOUT UIDE Conventions Related Documents CoreBuilder 9000 Documents World Wide Web Site Documents 3Com Facts Automated Fax Service Documents Year 2000 Compliance VERVIEW ATM Interface Module Description Typical Interface Module Configuration AFETY AND ANDLING RECAUTIONS Safety Precautions Laser and LED Safety Information...
  • Page 4 Installing the OC-3c/STM-1 Daughter Card or OC-3c SMLR Daughter Card Installation Procedure Removing the OC-3c/STM-1 or OC-3c SM LR Daughter Card Equipment Required Removal Instructions Installing the OC-12c/STM-4 Daughter Card Installation Procedure Removing the OC-12c/STM-4 Daughter Card Equipment Required Removal Instructions Installing the 155 Mbps-over-UTP5 Daughter Card Installation Procedure Removing the 155 Mbps-over-UTP5 Daughter Card...
  • Page 5 ECHNICAL UPPORT Online Technical Services World Wide Web Site 3Com Knowledgebase Web Services 3Com FTP Site 3Com Bulletin Board Service 3Com Facts Automated Fax Service Support from Your Network Supplier Support from 3Com Returning Products for Repair NDEX ORPORATION IMITED...

  • Page 7: About This Guide

    This guide is intended for trained technical personnel only. Do not attempt to remove or replace a CoreBuilder 9000 ATM Interface Module if you have not had the proper training from 3Com. For training information, call 1-800-NET-3COM.

  • Page 8: Conventions

    BOUT UIDE Conventions Table 1 and Table 2 list 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 alerts you to potential personal injury...

  • Page 9: Related Documents

    3Com Web site and fax services. To order a paper copy of a document that you see on the CD-ROM, or to order additional CDs, contact your sales representative. For a complete list of all CoreBuilder 9000 documents, see the CoreBuilder 9000 Documentation Overview .
  • Page 10 BOUT UIDE Paper Documents These documents are shipped with the CoreBuilder 9000 chassis: Chassis Quick Installation Guides Instructions for installing the 7-slot chassis, 8-slot chassis, and 16-slot chassis in a rack, on a table, or on a shelf, including prerequisites.

  • Page 11: World Wide Web Site Documents

    Related Documents Documents on CD-ROM The Documentation CD-ROM contains online versions of the paper guides that are shipped with your chassis and other CoreBuilder 9000 documents in online format only, such as: CoreBuilder 9000 Enterprise Management Engine User Guide How to use the CoreBuilder 9000 Enterprise Management Engine (EME) to manage the chassis and the network modules in the chassis.

  • Page 12: 3Com Facts Automated Fax Service Documents

    3Com products 24 hours a Service Documents day, 7 days a week. Call 3Com Facts using your Touch-Tone telephone: 1 408 727-7021 Year 2000 For information on the Year 2000 compliance and 3Com products, visit Compliance the 3Com Year 2000 Web page: http://www.3com.com/products/yr2000.html...

  • Page 13: Overview

    VERVIEW This chapter describes the ATM Interface Module and presents the basic configurations that are available. ATM Interface The ATM Interface Module interfaces with the ATM Switch Fabric Module Module Description to create the ATM Enterprise Switch system. You can order the ATM Interface Module in several configurations, according to your specific needs.
  • Page 14 1: O HAPTER VERVIEW Figure 1 shows the front panel of the ATM Interface Module with one 155 Mbps-over-UTP5 daughter card installed on the left and one OC-12c/STM-4 daughter card installed on the right. Figure 1 ATM Interface Module Front Panel Module Status LED Port LEDs 155 Mbps-over-UTP5 Daughter Card OC-12c/STM-4 Daughter Card...
  • Page 15 ATM Interface Module Description Table 3 lists the different types of daughter cards available. Table 3 Available Daughter Cards Daughter Card OC-3c/STM-1 SM OC-3c/STM-1 MM OC-3c/STM-1 SM LR OC3c/STM-1 SM +MM OC-12c/STM-4 SM OC-12c/STM-4 MM 155 Mbps-over-UTP5 1 SM = Single-mode 2 MM = Multi-mode 3 LR = Long Reach 4 SM + MM = OC3c/STM-1 daughter card...
  • Page 16 1: O HAPTER VERVIEW...

  • Page 17: Safety And Handling Precautions

    Vorkehrungen beim Umgang mit dem Modul Unpacking Procedure Safety Precautions When you handle components in a CoreBuilder 9000 system, be sure that you follow all safety precautions. To avoid electric shocks, burns, fire or equipment damage, read and follow these warnings: WARNING: Hazardous energy exists within the CoreBuilder 9000 system.

  • Page 18: Laser And Led Safety Information

    Although the data communications LEDs and lasers that are used in this product meet the regulatory requirements for casual exposure to the eye, as with any bright source of bright light, 3Com recommends that you do not look into the light source (Class One Laser/LED Product).

  • Page 19: Précautions De Sécurité

    Précautions de Sécurité Précautions de Lorsque on manipule les éléments du système CoreBuilder 9000, il faut Sécurité bien respecter les précautions de sécurité. Pour éviter des décharges électriques, des brûlures, des incendies ainsi que pour ne pas endommager l’équipement, veuillez bien lire et respecter les précautions suivantes: AVERTISSEMENT: Le système CoreBuilder 9000 contient énergie qui...

  • Page 20: Précautions De Manipulation

    WARNUNG: Halten Sie sich beim Installieren des ATM-Schnittstellen-Moduls zur Gewährleistung des optischen Sicherheit an folgende Vorkehrung: Obwohl die für die Datenkommunikation verwendeten LEDs und Laser-Dioden die Sicherheitsvorkehrungen für zufälligen Augenkontakt erfüllen, entsprechend wie bei anderen hellen Lichtquellen, empfiehlt 3Com nicht direkt in die Lichtquellen zu blicken.

  • Page 21: Sicherheitsinformationen Für Elektrostatische Entladungen

    Vorkehrungen beim Umgang mit dem Modul Sicherheitsinfor- Elektrostatische Entladungen (ESD) können einzelne Baugruppen oder mationen für das gesamte Modul beschädigen. ESD können vorkommen, wenn das Elektrostatische Modul nicht richtig gehandhabt wird und können eine dauerhafte oder Entladungen zeitweilige Fehlfunktion bewirken. VORSICHT: Zur Verhütung von Schäden durch ESD: Vergewissern Sie sich, daß...
  • Page 22 2: S HAPTER AFETY AND ANDLING RECAUTIONS...

  • Page 23: Installing And Removing The Daughter Cards

    Mbps-over-UTP5 daughter card in either the right pair or the left pair of cutouts of the ATM Interface Carrier Module (Figure 2). However, if you are installing a single card, 3Com recommends installing it in the left cutouts, which are shipped uncovered for this purpose.

  • Page 24: Installation Equipment

    3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS Figure 2 ATM Interface Carrier Module Front Panel Cutouts Left Daughter Card Cutouts Right Daughter Card Cutouts Installation To install a daughter card you need: Equipment A #1 Phillips screwdriver. The daughter card. Screws and washers as described in Table 4 (supplied with the daughter card).

  • Page 25: Removing The Protective Faceplate

    Removing the Protective Faceplate Removing the If you need to install a daughter card in the right pair of cutouts, remove Protective Faceplate the protective faceplate as follows: 1 With a #1 Phillips screwdriver, remove the three flathead countersink Phillips-head screws. 2 Push the protective faceplate towards the back of the card and remove it.
  • Page 26 3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS Figure 3 shows an OC-3c/STM-1 card with its protective plugs and Figure 4 shows an OC-3c SMLR card with its protective plugs. To install an OC-12c/STM-4 card, see “Installing the OC-12c/STM-4 Daughter Card” on page 35.
  • Page 27 Installing the OC-3c/STM-1 Daughter Card or OC-3c SMLR Daughter Card Figure 4 OC-3c/SMLR Daughter Card with Protective Plugs The daughter card’s RFI shield may occasionally move in shipping. If the shield has moved, the screw holes on the front panel might be blocked, preventing installation of the daughter card.

  • Page 28: Installation Procedure

    3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS Installation Procedure There are four spacer posts on the ATM Interface Carrier Module to support the daughter cards. Two spacers are located directly behind the left cutout and two are located directly behind the right cutout (Figure 5). Figure 5 Spacers S pacers To install the OC-3c/STM-1 daughter card in the left cutout, perform the...
  • Page 29 Installing the OC-3c/STM-1 Daughter Card or OC-3c SMLR Daughter Card Figure 6 Inserting the OC-3c/STM-1 Card into the Cutouts 3 Lower the OC-3c/STM-1 card until its beige bridge connector is aligned over the beige bridge connector of the ATM Interface Carrier Module. 4 Place your fingers on the daughter card directly over the middle of the beige bridge connector and press down to fasten the connectors together (Figure 7).
  • Page 30 3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS 5 Insert the three flathead countersink Phillips-head screws into the front panel of the ATM Interface Carrier Module (Figure 8). Insert the screws in the following order: a Center of daughter card b Right of daughter card c Left of daughter card Figure 8 Tightening the Screws...
  • Page 31 Installing the OC-3c/STM-1 Daughter Card or OC-3c SMLR Daughter Card 6 Insert the following screw and washer combination in the two holes at the back of the daughter card (Figure 9): a One flat washer b One spring washer c One panhead Phillips-head screw 7 Repeat the operation for the second hole.

  • Page 32: Removing The Oc-3C/Stm-1 Or Oc-3C Sm Lr Daughter Card

    3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS Removing the This section describes how to remove the OC-3c/STM-1 or OC-3c SM LR OC-3c/STM-1 or daughter card. OC-3c SM LR The procedure for removing an OC-3c SMLR card is identical to the Daughter Card procedure described for removing an OC-3c/STM-1 card.
  • Page 33 Removing the OC-3c/STM-1 or OC-3c SM LR Daughter Card 3 Remove the screws and washers from the top of the OC-3c/STM-1 card (Figure 11). Put the screws and washers in the part bag that they were shipped in. Figure 11 Removing the Screws and Washers...
  • Page 34 3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS 4 Hold the OC-3c/STM-1 card and gently lift upwards until the connectors disengage (Figure 12). Figure 12 Disengaging the Connectors 5 Raise the back of the OC-3c/STM-1 daughter card to a ~20° angle to the horizontal, and remove the card from the ATM Interface Carrier Module in a backwards direction.

  • Page 35: Installing The Oc-12C/Stm-4 Daughter Card

    Installing the OC-12c/STM-4 Daughter Card Installing the This section describes how to install an OC-12c/STM-4 daughter card in OC-12c/STM-4 the left pair of cutouts (called the “left cutout”). Follow the same Daughter Card instructions to install a second OC-12c/STM-4 card in the right cutout. Figure 13 shows an OC-12c/STM-4 card with its protective plugs.

  • Page 36: Installation Procedure

    3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS Figure 14 OC-12c/STM-4 Daughter Card with RFI Shield OC-12c Panel RFI Shield Installation Procedure There are four spacer posts on the ATM Interface Carrier Module to support the daughter cards (Figure 15). Two spacers are located directly behind the left cutout and two are located directly behind the right cutout.
  • Page 37 Installing the OC-12c/STM-4 Daughter Card To install the OC-12c/STM-4 card in the left cutout, perform the following procedure: 1 Hold the card with the beige bridge connector facing downward and the protective plugs facing forward. 2 Hold the card at a ~20° angle to the horizontal and insert the card into the left cutout from the back of the ATM Interface Carrier Module (Figure 16).
  • Page 38 3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS 4 Place your fingers on the daughter card directly over the middle of the beige bridge connector and press down to fasten the connectors together (Figure 17). A click is heard when the connectors engage. Figure 17 Fastening the Beige Bridge Connectors click 5 Insert the three flathead countersink Phillips-head screws into the front...

  • Page 39: Removing The Oc-12C/Stm-4 Daughter Card

    Removing the OC-12c/STM-4 Daughter Card 6 Insert the following screw and washer combination in the one hole on the center of the daughter card (Figure 19): a One flat washer b One spring washer c One panhead Phillips-head screw Figure 19 Inserting the Screws and Washers Removing the This section describes how to remove the OC-12c/STM-4 daughter card.

  • Page 40: Removal Instructions

    3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS Removal Instructions To remove the OC-12c/STM-4 card: 1 Remove the three countersink Phillips-head screws from the front panel using a #1 Phillips screwdriver (Figure 20). 2 Save the screws for future use in the part bag that they were shipped in. Figure 20 Removing the Countersink Screws...
  • Page 41 Removing the OC-12c/STM-4 Daughter Card 3 Remove the screw and washers from the top of the OC-12c/STM-4 card (Figure 21). Put the screw and washers aside for later use in the part bag that they were shipped in. Figure 21 Removing the Screws and Washers...
  • Page 42 3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS 4 Hold the OC-12c/STM-4 card and gently lift upwards until the connectors disengage (Figure 22). Figure 22 Disengaging the Connectors 5 Raise the back of the OC-12c/STM-4 daughter card to a ~20° angle to the horizontal, and remove the card from the ATM Interface Carrier Module in a backwards direction (Figure 22).

  • Page 43: Installing The 155 Mbps-Over-Utp5 Daughter Card

    Installing the 155 Mbps-over-UTP5 Daughter Card Installing the 155 This section describes how to install a single 155 Mbps-over-UTP5 Mbps-over-UTP5 daughter card in the left pair of cutouts (called the “left cutout”). Follow Daughter Card the same instructions to install a second 155 Mbps-over-UTP5 daughter card in the right cutout.

  • Page 44: Installation Procedure

    3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS Installation Procedure There are four spacer posts on the ATM Interface Carrier Module to support the daughter cards. Two spacers are located directly behind the left cutout and two are located directly behind the right cutout (Figure 24).
  • Page 45 Installing the 155 Mbps-over-UTP5 Daughter Card Figure 25 Inserting the 155 Mbps-over-UTP5 Card into the Cutouts 3 Lower the OC-3c/STM-1 card until its beige bridge connector is aligned over the beige bridge connector of the ATM Interface Carrier Module. 4 Place your fingers on the daughter card directly over the middle of the beige bridge connector and press down to fasten the connectors together (Figure 26).
  • Page 46 3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS Figure 26 Fastening the Beige Connectors click 5 Insert the three flathead countersink Phillips-head screws into the front panel of the ATM Interface Carrier Module (Figure 27). Insert the screws in the following order: a Center of daughter card b Right of daughter card c Left of daughter card...
  • Page 47 Installing the 155 Mbps-over-UTP5 Daughter Card 6 Insert the following screw and washer combination in the two holes on the daughter card (Figure 28): a One flat washer b One spring washer c One panhead Phillips-head screw 7 Repeat the operation for the second hole. Figure 28 Inserting the Screws and Washers...

  • Page 48: Removing The 155 Mbps-Over-Utp5 Daughter Card

    3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS Removing the 155 This section describes how to remove the 155 Mbps-over-UTP5 daughter Mbps-over-UTP5 card. Daughter Card To remove the 155 Mbps-over-UTP5 card, you need: Equipment Required A #1 Phillips screwdriver The antistatic bag that the 155 Mbps-over-UTP5 card was shipped in The protective faceplate (if you are removing and not replacing the module)
  • Page 49 Removing the 155 Mbps-over-UTP5 Daughter Card 3 Remove the screws and washers from the top of the 155 Mbps-over-UTP5 card (Figure 30). Put the screws and washers in the part bag that they were shipped in. Figure 30 Removing the Screws and Washers...
  • Page 50 3: I HAPTER NSTALLING AND EMOVING THE AUGHTER ARDS 4 Hold the 155 Mbps-over-UTP5 card and gently lift upwards until the connectors disengage (Figure 31). Figure 31 Disengaging the Connectors 5 Raise the back of the 155 Mbps-over-UTP5 daughter card to a ~20° angle to the horizontal, and remove the card from the ATM Interface Carrier Module in a backwards direction.

  • Page 51: Installing And Removing The Atm Interface Module

    Management Engine Quick Start Guide for the CoreBuilder 9000 Enterprise Switch. For details on how to install the ATM Switch Fabric Module, see the CoreBuilder 9000 ATM Switch Fabric Module Getting Started Guide. The EME Module on the 8-slot chassis contains a new 16MB flash card needed to work with software release 3.0.

  • Page 52: Installing An Atm Interface Module Into The 16-Slot/8-Slot Chassis

    1 through 7, 10, 12, 14, and 16. Slot numbers are located on the top of the chassis for easy identification (Figure 32). The CoreBuilder 9000 16-slot chassis is shipped with slot 1 open; a blank faceplate covers the remaining ATM Interface Module slots. You normally...
  • Page 53 Installing an ATM Interface Module into the 16-Slot/8-Slot Chassis Figure 32 The CoreBuilder 16-Slot Chassis with Slots 1 and 8 Open Slot Numbers Slot 1 Slot 8...

  • Page 54: Installation Procedure

    1 With a #2 flat-blade screwdriver, loosen the large screws. 2 Remove the faceplate and put it aside for future use. If you are not using a particular slot at this time, 3Com recommends that you leave its protective faceplate on.
  • Page 55 Installing an ATM Interface Module into the 16-Slot/8-Slot Chassis CAUTION: Be careful not to twist or bend the module as you insert it. 2 Align the module with the proper slot guides as described, and slide the module partially into the slot. Make sure that the top and bottom edges are in the same slot.
  • Page 56 4: I ATM I HAPTER NSTALLING AND EMOVING THE NTERFACE ODULE 4 Push on the large captive screws to further insert the module, until it is completely into the slot and the module ejector handles begin to close (Figure 35). Figure 35 Pushing the ATM Interface Module into the Backplane Captive Screws 5 To engage the module connectors into the chassis backplane connectors,...
  • Page 57 Installing an ATM Interface Module into the 16-Slot/8-Slot Chassis Figure 36 Locking the Module Ejector Handles Module Ejector Handles CAUTION: If the resistance is too great, the ATM Interface Module connectors and backplane connectors may not be aligned. Forcing the ATM Interface Module inward can damage the module connectors or backplane connectors.

  • Page 58: Removing An Atm Interface Module From The 16-Slot/8-Slot Chassis

    4: I ATM I HAPTER NSTALLING AND EMOVING THE NTERFACE ODULE Figure 37 Tightening the Screws CAUTION: To ensure adequate cooling air flow in the chassis, make sure that blank faceplates cover all empty slots. Removing an ATM You can remove an ATM Interface Module while the system is on. Interface Module from the 16-Slot/8-Slot...
  • Page 59 Removing an ATM Interface Module from the 16-Slot/8-Slot Chassis Figure 38 Loosening the Captive Screws 4 Move the module ejector handles to the outward position. 5 Gently slide the ATM Interface Module out of the chassis (Figure 39). Figure 39 Removing the ATM Interface Module from the Chassis Module Ejector Handles Open...

  • Page 60: Installing An Atm Interface Module Into The 7-Slot Chassis

    You can install up to six ATM Interface Modules in slots 1 through 6. Slot numbers are located on the left of the chassis for easy identification. The CoreBuilder 9000 7-slot chassis is shipped with slots 1 and 7 open; blank faceplates cover the remaining slots. An additional slot, slot 8, which is also open, is reserved for the EME module.

  • Page 61: Installation Procedure

    Installing an ATM Interface Module into the 7-Slot Chassis If you are not using a particular slot at this time, 3Com recommends that you leave its protective faceplate on. Installation Procedure To install the ATM Interface Module into the chassis: CAUTION: Before you start the installation process, see “Safety...
  • Page 62 4: I ATM I HAPTER NSTALLING AND EMOVING THE NTERFACE ODULE Figure 42 Pushing the ATM Interface Module into the Backplane ® C ore B u ilde r 9 00 0 5 To engage the module connectors into the chassis backplane connectors, push both module ejector handles simultaneously inwards toward the front panel, locking the module (Figure 42).

  • Page 63: Removing An Atm Interface Module From The 7-Slot Chassis

    Removing an ATM Interface Module from the 7-Slot Chassis Figure 43 Tightening the Screws ® C ore Builder 9 000 Removing an ATM You can remove an ATM Interface Module while the system is on. Interface Module from the 7-Slot Chassis To remove an ATM Interface Module: 1 Record the cabling scheme.
  • Page 64 4: I ATM I HAPTER NSTALLING AND EMOVING THE NTERFACE ODULE Figure 44 Loosening the Captive Screws ® C oreBu ild er 900 0 4 Move the module ejector handles to the outward position. 5 Gently slide the ATM Interface Module out of the chassis (Figure 45). Figure 45 Removing the ATM Interface Module from the Chassis...

  • Page 65: Connecting To The Network

    ONNECTING TO THE ETWORK This chapter describes how to connect each of the ports to network devices. Connecting to Each of the OC-3c/STM-1 and OC-12c/STM-4 ports are available in Network Devices single-mode or multi-mode. Single-mode ports support single-mode cables, and multi-mode ports support multi-mode cables. Single-mode or multi-mode OC-3c/STM-1 or OC-12c/STM-4 ports are connected with fiber-optic cables.

  • Page 66: Connecting To The Utp5 Port

    5: C HAPTER ONNECTING TO THE ETWORK Connecting to the The 155 Mbps-over-UTP5 daughter card has four ports, each equipped UTP5 Port with a 8-pin RJ-45 connector, which is designated as a network device. To connect to the port, the connector must be wired as a user device as indicated in Table 5: Table 5 Pins in RJ-45 connector Pin Number In User Device...

  • Page 67: A Technical Support

    3Com recommends that you access the 3Com Corporation World Wide Web site. Online Technical 3Com offers worldwide product support 24 hours a day, 7 days a week, Services through the following online systems: World Wide Web site...

  • Page 68: 3Com Ftp Site

    3Com FTP Site Download drivers, patches, software, and MIBs 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...

  • Page 69: 3Com Facts Automated Fax Service

    Support from Your Network Supplier Access by Digital Modem ISDN users can dial in to the 3Com BBS using a digital modem for fast access up to 64 Kbps. To access the 3Com BBS using ISDN, call the following number:...
  • Page 70 A: T PPENDIX ECHNICAL 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, if applicable...

  • Page 71: Returning Products For Repair

    Returning Products for Repair Returning Products Before you send a product directly to 3Com for repair, you must first for Repair obtain an authorization number. Products sent to 3Com without authorization numbers will be returned to the sender unopened, at the sender’s expense.
  • Page 72 A: T PPENDIX ECHNICAL UPPORT...
  • Page 73 15 connection to network devices 65 3Com connector training 7 3Com bulletin board service (3Com BBS) 68 beige bridge 28, 29, 37, 44, 45 conventions 8 3Com Facts 69 notice icons, About This Guide 8 3Com Knowledgebase Web Services 67...
  • Page 74 25 connecting to 65 removing from chassis 54 network supplier support 69 replacing 34 fax service (3Com Facts) 69 flat washer 24, 31, 39, 47 flathead countersink Phillips-head screw 24, 46, 48 OC-12c/STM-4 daughter card 14, 23 installing 35, 36...
  • Page 75 28, 36, 44 spring washer 24, 31, 39, 47 status operational 14 technical support 3Com Facts 69 3Com Knowledgebase Web Services 67 3Com URL 67 bulletin board service 68 fax service 69 network suppliers 69 product repair 71...
  • Page 76 NDEX...
  • Page 77 If it appears that any product that is stated to meet this standard does not perform properly with regard to such date data on and after January 1, 2000, and Customer notifies 3Com before the later of April 1, 2000, or ninety (90) days after purchase of the product from 3Com or its authorized reseller, 3Com shall,...
  • Page 78 (48) hours of installation but no later than thirty (30) days after the date of purchase, and this is verified by 3Com, it will be considered dead- or defective-on-arrival (DOA) and a replacement shall be provided by advance replacement. The replacement product will normally be shipped not later than three (3) business days after 3Com’s verification of the DOA...

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