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Cabletron Systems 38 User Manual

Cabletron systems user's guide fiber optic media interface module fomim-32, 36, 38
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FOMIM-32/36/38 FIBER OPTIC
MEDIA INTERFACE MODULE
USER'S GUIDE

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Summary of Contents for Cabletron Systems 38

  • Page 1 FOMIM-32/36/38 FIBER OPTIC MEDIA INTERFACE MODULE USER’S GUIDE...

  • Page 2: Fcc Notice

    NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made. The hardware, firmware, or software described in this manual is subject to change without notice.

  • Page 3: Vcci Notice

    IMPORTANT: Before utilizing this product, carefully read this License Agreement. This document is an agreement between you, the end user, and Cabletron Systems, Inc. (“Cabletron”) that sets forth your rights and obligations with respect to the Cabletron software program (the “Program”) contained in this package.

  • Page 4: United States Government Restricted Rights

    Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at 252.227-7013. Cabletron Systems, Inc., 35 Industrial Way, Rochester, New Hampshire 03867-0505. FOMIM User’s Guide...

  • Page 5: Declaration Of Conformity

    Manager of Engineering Services ___________________________________ Title Rochester, NH, USA ___________________________________ Location 89/336/EEC 73/23/EEC Cabletron Systems, Inc. 35 Industrial Way PO Box 5005 Rochester, NH 03867 Mr. J. Solari Cabletron Systems Limited Nexus House, Newbury Business Park London Road, Newbury Berkshire RG13 2PZ, England...

  • Page 6: Table Of Contents

    CHAPTER 1 INTRODUCTION Using This Manual... 1-1 Document Conventions ... 1-3 Fiber Optic Media Interface Modules... 1-3 1.3.1 Distance and Cable Type ... 1-3 1.3.2 Multi Media Access Centers ... 1-4 LANVIEW Status Monitoring System ... 1-4 Related Manuals... 1-6 Getting Help...
  • Page 7 Contents FOMIM User’s Guide...

  • Page 8: Chapter 1 Introduction

    Before using the FOMIM, you need to carefully read through this manual to gain a full understanding of the FOMIM and its capabilities. Cabletron Systems offers three versions of 1300 nm single mode Fiber Optic Media Interface Modules: •...
  • Page 9 Chapter 1: Introduction Figure 1-1 The FOMIMs It is assumed that you have a general working knowledge of Ethernet or IEEE 802.3 type data communications networks and their physical layer components. FOMIM User’s Guide...

  • Page 10: Document Conventions

    Warning symbol. Warns against an action that could result in equipment damage, personal injury or death. FIBER OPTIC MEDIA INTERFACE MODULES Cabletron Systems Fiber Optic Media Interface Modules provide a choice of six, twelve, or eighteen ports with ST connectors. The FOMIM-32/36/38 use 1300 nm wavelength transmitters NOTE and receivers (not the 850 nm specified by FOIRL) and should...

  • Page 11: Multi Media Access Centers

    Multi Media Access Centers The Cabletron Systems Fiber Optic Media Interface Modules are designed to be installed into the Cabletron Systems Multi Media Access Center (MMAC). The modular design of the MMAC allows the FOMIM to co-exist with other Media Interface Modules (MIMs) to provide a variety of different media connections on any one point.
  • Page 12 LANVIEW Status Monitoring System LANVIEW LEDs Figure 1-2 LANVIEW LEDs The following discusses the function of each LANVIEW LED on the FOMIM (Figure 1-2). Note that there is one Link OK (LNK) and one Receive (RCV) LED for each port on the MIM, as well as one Error (ERR) and one Collision (CLN) LED for the entire MIM.

  • Page 13: Related Manuals

    By phone By CompuServe By Internet mail By FTP Login Password Before calling Cabletron Systems Technical Support, have the following information ready: • A description of the failure • A description of any action(s) already taken to resolve the problem (e.g., changing mode switches, rebooting the unit, etc.)
  • Page 14 • The serial and revision numbers of all Cabletron Systems products in the network • The device history (i.e., have you returned the device before, is this a recurring problem, etc.) • Any previous Return Material Authorization (RMA) numbers FOMIM User’s Guide...
  • Page 15 Chapter 1: Introduction FOMIM User’s Guide...

  • Page 16: Chapter 2 Network Requirements And Installation

    This chapter begins with network design guidelines in Section 2.1, Network Cable Requirements, that must be met before installing the module in a network. It then provides instructions for installing the Cabletron Systems Fiber Optic Media Interface Module into the MMAC family of modular hubs. NETWORK CABLE REQUIREMENTS When connecting fiber optic segments to the FOMIM, you must follow...

  • Page 17: Unpacking The Fomim

    Save the shipping box and materials in the event the unit has to be reshipped. 4. Visually inspect the module within the nonconductive bag. If you see any damage, contact Cabletron Systems Technical Support immediately. FOMIM User’s Guide...

  • Page 18: Installing The Fomim Into The Mmac

    INSTALLING THE FOMIM INTO THE MMAC You can easily install the FOMIM into a Multi Media Access Center with a Flexible Network Bus (MMAC-FNB). Install the FOMIM into the MMAC as follows: 1. Power down the MMAC hub. 2. Remove any chassis safety bars present on the front of the MMAC hub.

  • Page 19: Connecting Fiber Optic Cabling To The Fomim

    The receive strand of the applicable port on the module connects to the transmit port of the fiber optic Ethernet device. Cabletron Systems recommends labeling fiber optic cables to indicate receive and transmit ends. Many cables are prelabeled, providing matching labels or tapes at both ends of each strand of cable.
  • Page 20 If you are still unable to establish a link, attempt to make the connection between the devices with another fiber optic cable. If this is unsuccessful, contact Cabletron Systems Technical Support. FOMIM User’s Guide Connecting Fiber Optic Cabling to the FOMIM...
  • Page 21 Chapter 2: Network Requirements and Installation FOMIM User’s Guide...

  • Page 22: Chapter 3 Testing And Troubleshooting

    TESTING AND TROUBLESHOOTING This chapter lists the installation checkout procedures necessary to verify that the segments connected to your FOMIM are operating properly. The chapter concludes with a description of the LANVIEW LEDs and their use in troubleshooting physical layer network problems. INSTALLATION TEST This section contains procedures to test the following: •...

  • Page 23: Link Test

    If the LEDs are not lit, perform the following procedure, using a Cabletron Systems FOT-F3 Fiber Optic Transceiver at the other end of the cable. 1. Check that power is being supplied to both the FOMIM in the MMAC chassis and the device at the other end of the link.

  • Page 24: 3.2 Pre-Installation Test

    4. If the LEDs are not lit, reverse the cable ends back to their original positions, and contact Cabletron Systems Technical Support for assistance. 3.2 PRE-INSTALLATION TEST Before installing the FOMIM in a live network, test the module in a controlled situation to ensure that it is repeating packets.

  • Page 25: 3.3 Using Lanview

    MMAC-M3FNB with IRM3 Figure 3-1 Pre-Installation Test 3.3 USING LANVIEW The FOMIM uses Cabletron Systems built-in visual diagnostic and status monitoring system called LANVIEW. With LANVIEW, network troubleshooting personnel can quickly scan LEDs to observe network status, or diagnose network problems. Figure 1-2 in Chapter 1 shows the location of the LANVIEW LEDs.
  • Page 26 Table 3-1 LANVIEW Troubleshooting Color Green (Link/ Fiber Port) Yellow (Receive) (Collision Present) (Error) If you are not able to resolve a problem with your FOMIM, call Cabletron Systems Technical Support for assistance (see Chapter 1, Section 1.6, Getting Help). FOMIM User’s Guide Error Description...
  • Page 27 Chapter 3: Testing and Troubleshooting FOMIM User’s Guide...

  • Page 28: Operating Specifications

    FOMIM SPECIFICATIONS The operating specifications for the Cabletron Systems FOMIM are included in this Appendix. Cabletron Systems reserves the right to change these specifications at any time without notice. OPERATING SPECIFICATIONS Table A-1 Fiber Optic Interface (All Ports) Transceiver Parameter Receive Sensitivity Max.

  • Page 29: Appendix Afomim Specifications

    Appendix A: FOMIM Specifications Table A-2 Fiber Optic Interface (All Ports) Parameter Typical Transmitter Peak Wave 1310 nm Length Spectral Width 95 nm Rise Time 3.0 ns Fall Time 2.5 ns Duty Cycle 50.1% Bit Error Rate Better than 10 The transmitter power levels given above are Peak Power NOTES Levels after optical overshoot.

  • Page 30: Agency Approvals

    Dimensions: Weight: FOMIM User’s Guide 34.04 D x 29.21 H x 5.08 W cm (13.4 D x 11.5 H x 2.0 W in) FOMIM-36: 0.57 kg (1.25 lb) FOMIM-32: 0.86 kg (1.90 lb) FOMIM-38: 1.13 kg (2.50 lb) Agency Approvals...
  • Page 31 Appendix A: FOMIM Specifications FOMIM User’s Guide...
  • Page 32 Cable connecting 2-4 distance 1-3 requirements 2-1 CLN LED 1-5 Conventions 1-3 Design guidelines 2-1 ERR LED 1-5 FOMIM installing 2-3 specifications A-1 unpacking 2-2 Help 1-6 LANVIEW location 1-4 troubleshooting 3-5 Link testing 3-1 LNK LED 1-5 MMAC description 1-3 RCV LED 1-5 Related manuals 1-5 FOMIM User’s Guide...
  • Page 33 Index Index-2 FOMIM User’s Guide...

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