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Cabletron Systems MMAC-M8FNB Overview And Setup Manual

Multi-media access center
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MMAC-M8FNB™
MULTI-MEDIA ACCESS CENTER
OVERVIEW AND SETUP GUIDE
CABLETRON SYSTEMS, P.O. Box 5005, Rochester, N.H. 03866-5005

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  • Page 1 MMAC-M8FNB™ MULTI-MEDIA ACCESS CENTER OVERVIEW AND SETUP GUIDE CABLETRON SYSTEMS, P.O. Box 5005, Rochester, N.H. 03866-5005...
  • Page 3 Printed in the United States of America Order number: 9030535-08 December 1995 SPECTRUM, LANVIEW, and Multi Media Access Center are registered trademarks and MMAC-M8FNB, MIM, M8PSM, M8PSM-E, and M8PSM-EDC are trademarks of Cabletron Systems, Inc. Ethernet is a trademark of Xerox Corporation.

  • Page 4: Fcc Notice

    FCC NOTICE This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.

  • Page 5: Vcci Notice

    VCCI NOTICE This equipment is in the 1st Class Category (information equipment to be used in commercial and/or industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference by Information Technology Equipment (VCCI) aimed at preventing radio interference in commercial and/or industrial areas.

  • Page 7: Table Of Contents

    USING THIS MANUAL ... 1-1 1.1.1 Symbols... 1-2 USING THE MMAC-M8FNB MANUAL SET... 1-2 GETTING HELP... 1-3 THE MMAC-M8FNB MULTI MEDIA ACCESS CENTER ... 1-4 MMAC-M8FNB FEATURES... 1-5 CHAPTER 2 INSTALLATION REQUIREMENTS AND SPECIFICATIONS SITE GUIDELINES... 2-1 MMAC-M8FNB CONFIGURATION GUIDELINES ... 2-2 OPERATING SPECIFICATIONS...
  • Page 8 CONTENTS...

  • Page 9: Chapter 1 Introduction

    MMAC-M8FNB and explains how to install the fan tray and power supply(ies). You should read through this manual prior to using the MMAC-M8FNB to gain a full understanding of the MMAC-M8FNB and its capabilities. Only qualified personnel should install or service this unit and its modules! 1.1 USING THIS MANUAL...

  • Page 10: Symbols

    INTRODUCTION Chapter 3, MMAC-M8FNB Setup, contains instructions for rack mounting your MMAC-M8FNB, inserting the fan tray, installing the power supply(ies), installing the security bars, and powering up the MMAC-M8FNB. 1.1.1 Symbols Throughout this manual you will see two symbols which will be used...

  • Page 11: Getting Help

    1.3 GETTING HELP If you need additional support related to the MMAC-M8FNB, or if you have any questions, comments, or suggestions related to this manual, contact Cabletron Systems Technical Support. Before calling, please have the following information ready: •...

  • Page 12: The Mmac-M8Fnb Multi Media Access Center

    By FAX: By BBS: 1.4 THE MMAC-M8FNB MULTI MEDIA ACCESS CENTER The Cabletron Systems MMAC-M8FNB is a complete modular approach to integrated networks. The MMAC-M8FNB supports Local Area Networks compliant to IEEE 802.3, IEEE 802.5, and FDDI standards. It also supports all of the Cabletron Systems Media Interface Modules (MIMs).

  • Page 13: Mmac-M8Fnb Features

    — in a matter of minutes, you can add, change, or replace MIMs without turning off the MMAC-M8FNB or using any special tools. This design also allows the MMAC-M8FNB to continue to adapt to ever-changing industry standards. 1.5 MMAC-M8FNB FEATURES...
  • Page 14 Redundant Power with Load Sharing Depending on the power requirements of the installed MIMs, the MMAC-M8FNB can operate with either one or two power supply modules. If two power supplies are installed, they share the power load requirements of the installed MIMs; if one power supply fails, the second automatically assumes the entire load if it is able.
  • Page 15 Any two matching power supply modules (i.e., two M8PSMs, two M8PSM-Es, or two M8PSM-EDCs) will use a current sharing scheme such that each power supply provides 50% of the required load ( 5%, 5V output only) under all load conditions; if you have one M8PSM and one M8PSM-E installed, the M8PSM-E will supply 60% of the required power, and the M8PSM will supply the remaining 40%.
  • Page 16 [M8PSM or M8PSM-E] and DC [M8PSM-EDC] power supplies in the same hub.) For access to remote management features, your MMAC-M8FNB must have the correct backplane NOTE version (chassis revisions EL and above) and you must have a Cabletron management module which supports the M8PSM-E and -EDC.
  • Page 17 Removable Fan Tray The MMAC-M8FNB is equipped with a removable fan tray, which means that you can replace a failed fan unit quickly, without any special tools. The fan tray incorporates an LED that indicates fan status; the same signal that illuminates the LED also alerts the management module that the fans are operating properly.
  • Page 18 INTRODUCTION Page 1-10...

  • Page 19: Chapter 2 Installation Requirements And Specifications

    62.2 cm (24.5 in.) deep and 44.5 cm (17.5 in.) high is needed for the MMAC-M8FNB enclosure. • If the MMAC-M8FNB is to be placed on a shelving unit, the shelf must be able to support 33.8 kg (75 lb.) of static weight.

  • Page 20: Mmac-M8Fnb Configuration Guidelines

    10 C (18 F) per hour must not occur. 2.2 MMAC-M8FNB CONFIGURATION GUIDELINES The MMAC-M8FNB has eight slots that accept media interface modules. The slots are numbered from right to left; slot #1 is a half-width slot that is reserved for a management module. Cabletron Systems management modules are equipped with a firmware-based...

  • Page 21: Operating Specifications

    INSTALLATION REQUIREMENTS AND SPECIFICATIONS 2.3 OPERATING SPECIFICATIONS The following lists the specifications for the MMAC-M8FNB enclosure and for the M8PSM, M8PSM-E, and M8PSM-EDC power supplies. Cabletron Systems reserves the right to change these specifications without notice. 2.3.1 Physical Specifications M8FNB...

  • Page 22: Power Supply Requirements

    INSTALLATION REQUIREMENTS AND SPECIFICATIONS 2.3.2 Power Supply Requirements M8PSM The M8PSM power supply senses and automatically adapts to the input voltage and frequency. Input Frequency: Input Voltages & Current: 100 to 125 Vac, 5A Fuses: BTUs/Hour: Table 2-1. Output Voltage Specifications: M8PSM Output Voltage (Vdc)
  • Page 23 INSTALLATION REQUIREMENTS AND SPECIFICATIONS plug on the other end which is suitable for the use and application of the product and that is approved for use in the country of application. These units are intended for indoor use only. M8PSM-E The M8PSM-E power supply senses and automatically adapts to the input voltage and frequency.
  • Page 24 INSTALLATION REQUIREMENTS AND SPECIFICATIONS The mains cord used with this equipment must be a two-conductor- plus-ground type with minimum 1 mm incorporate a standard IEC appliance coupler on one end and a mains plug on the other end which is suitable for the use and application of the product and that is approved for use in the country of application.

  • Page 25: Test Points

    5. A readily accessible disconnect device that is suitably approved and rated, shall be incorporated in the field wiring. 6. MMAC-M8FNB is to be installed in a restricted access area in accordance with the national electric code or the authority having jurisdiction.

  • Page 26: Leds

    INSTALLATION REQUIREMENTS AND SPECIFICATIONS The power supply test points represent the power supply output voltages and not the bus voltage seen by the NOTE Media Interface Modules. The voltages measured at the test points are one diode voltage drop above the bus voltage.
  • Page 27 INSTALLATION REQUIREMENTS AND SPECIFICATIONS M8PSM +5 VOLT TEST -5 VOLT TEST +12 VOLT TEST -9 VOLT TEST COMMON POWER FAIL INDICATION FAULT 100 - 125 ~ 8A 200 - 250 ~ 5A 50/60 Hz POWER LEVEL 100% Figure 2-1. The M8PSM, M8PSM-E, and M8PSM-EDC POWER FAIL POWER LEVEL...
  • Page 28 INSTALLATION REQUIREMENTS AND SPECIFICATIONS Power Fail (Power Supply) On the M8PSM-E and -EDC, the above-described Power OK and Power Fail LEDs are simply labeled NOTE “Power.” When the green LED is illuminated, the power supply is operating correctly, as described in Power OK, above;...
  • Page 29 INSTALLATION REQUIREMENTS AND SPECIFICATIONS Even if neither LED is lit, redundancy is still available if neither power supply is operating at more than 50% NOTE output. This is true even when one M8PSM and one M8PSM-E are installed in the same chassis. (E-series only) Disable (E-series only)

  • Page 30: Safety

    This unit must be assembled and used in accordance with the instructions in this manual. It is the responsibility of the person who sells the system of which the MMAC-M8FNB will be a part to ensure NOTE that the total system meets allowed limits of conducted and radiated emissions.

  • Page 31: Chapter 3 Mmac-M8Fnb Setup

    Save the shipping box and materials in the event the MMAC-M8FNB has to be reshipped. 2. Slide the two foam end caps off the MMAC-M8FNB, and remove the unit from the protective plastic bag. Set the MMAC-M8FNB aside in a safe place.

  • Page 32: Setting Up The Mmac-M8Fnb

    To mount the MMAC-M8FNB in a standard 19" equipment rack: 1. Using a Phillips head screwdriver, remove the eight screws (item 1, Figure 3-1) – four on each side of the MMAC-M8FNB – which are closest to the front of the chassis, and set them aside.
  • Page 33 8. Insert a bolt (item 5) through the slot in each of the mounting brackets and into the threaded holes in the equipment rack (item 6). Secure bolts with locking washers. 9. Tighten the nuts and bolts until the unit is secured to the rack. MMAC-M8FNB SETUP Page 3-3...

  • Page 34: Rack Mounting The Cable Tie Tray

    MMAC-M8FNB SETUP 3.2.2 Rack Mounting the Cable Tie Tray A cable tie tray is provided with the MMAC-M8FNB to support and organize cables connected to the unit. The tray is designed to be installed under the MMAC-M8FNB in the equipment rack. To mount the cable tray in a standard 19"...

  • Page 35: Inserting The Fan Tray

    3. Once the tray is in place, tighten the knurled knobs to secure the tray to the MMAC-M8FNB. 4. When the MMAC-M8FNB is ready to be turned on, observe the LED on the front of the fan tray. This LED should be red for a moment after you turn on the power switch, and then change to green to indicate that all the fans are operating properly.

  • Page 36: Installing The Power Supply Module

    3.2.4 Installing the Power Supply Module You must install at least one power supply module in your MMAC-M8FNB. One MMAC-M8PSM provides sufficient power for many MIM configurations, but you may choose to install the more powerful M8PSM-E for some MIM configurations, or the M8PSM-EDC for use with a DC power source;...
  • Page 37 The MMAC-M8FNB power supply modules are installed in the slots in the rear of the MMAC-M8FNB chassis (Figure 3-4). If you intend to install a single power supply module, the single module can be installed in either the left or the right slot; be sure to leave the empty power supply slot covered.
  • Page 38 AC power modules. After you have finished installing the power supply module(s), the MMAC-M8FNB is ready to be powered up; however, we recommend that you first install the repeater/management module and the MIM or MIMs, as well as the security bars. Refer to the applicable module manuals for more information about MIM installation;...

  • Page 39: Installing The Security Bars

    3.2.5 Installing the Security Bars The MMAC-M8FNB is equipped with security bars to prevent unauthorized access to the hub and its installed modules. Two security bars have been provided: one to cover the top row of knurled knobs securing the modules to the chassis, and one to cover the bottom row of knobs.

  • Page 40: Powering Up The Mmac-M8Fnb

    Figure 3-5. Installing the Security Bars 3.2.6 Powering Up the MMAC-M8FNB Power up the MMAC-M8FNB as follows: 1. If the MMAC-M8FNB will not be rack mounted, place it on the selected site. 2. For any installed M8PSM or M8PSM-E power supplies: a.
  • Page 41 M8PSM-EDC. 3.) Connect the negative 48 volt lead to the negative terminal on the M8PSM-EDC. 4.) Repeat steps 1-3 for any additional installed EDC power supplies. 5.) Reconnect or turn on the DC power source. MMAC-M8FNB SETUP Page 3-11...
  • Page 42 5. Make sure that all the fans in the chassis fan tray unit are operating correctly when power is received from the power supply modules (the fan tray LED will be green). If you experience any problems during the installation of the MMAC-M8FNB, contact Cabletron Systems Technical Support for assistance. Page 3-12...

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