Cabletron Systems MicroMMAC-24E, MicroMMAC-34E, MicroMMAC-22E, MicroMMAC-32E, MicroMMAC-22ES Installation Manual

MicroMMAC

10BASE-T INTELLIGENT STACKABLE HUB

INSTALLATION GUIDE

MicroMMAC-24E

CABLETRON
MicroMMAC-24

RESET

DISPLAY

MicroMMAC-34E

CABLETRON
MicroMMAC-34

RESET

DISPLAY

10BASE-T HUB

COM 1COM 2

10BASE-T HUB

COM 1COM 2

LANVIEW

RCV
LNK

RCV
LNK

LANVIEW

RCV
LNK

RCV
LNK

12 11 10

24 23 22

12 11 10

24 23 22

R

21 20 19

987

R

21 20 19

987

18 17 16

654

18 17 16

654

E

15 14 13

2

E

321

1

12X 11X 10X 9X 8X 7X 6X 5X 4X 3X 2X 1X

E

15 14 13

2

E

321

1

20X

22X23X24X

21X

19X

24X 13X

12X 1X

18X 17X 16 X

EPIM 2

15 X 14X 13X

EPIM 1

EPIM 2

EPIM 1

WITH

PWR
CPU
CLN

WITH

PWR
CPU
CLN

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.
IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL,

INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT
NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR
THE INFORMATION CONTAINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN
ADVISED OF, KNOWN, OR SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH
DAMAGES.



Copyright 1996 by Cabletron Systems, Inc., P.O. Box 5005, Rochester, NH 03866-5005
All Rights Reserved
Printed in the United States of America

Order Number: 9030908-02 April 1996

SPECTRUM, LANVIEW, MicroMMAC
Manager, EPIM, EPIM-A, EPIM-F1, EPIM-F2, EPIM-F3, EPIM-T, EPIM-X, FOT-F, FOT-F3
HubSTACK, SEH, SEHI

All other product names mentioned in this manual may be trademarks or registered trademarks of
their respective companies.

, and

TMS-3

, and

BRIM

are trademarks of Cabletron Systems, Inc.

are registered trademarks and

Element

,

MicroMMAC Installation Guide i

Printed on Recycled Paper

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:

device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial environment.
This equipment uses, generates, and can radiate radio frequency energy and if not installed in
accordance with the operator’s manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause interference in which case the user
will be required to correct the interference at his own expense.

WARNING:

party responsible for compliance could void the user’s authority to operate the equipment.

This equipment has been tested and found to comply with the limits for a Class A digital

Changes or modifications made to this device which are not expressly approved by the

DOC NOTICE

This digital apparatus does not exceed the Class A limits for radio noise emissions from digital
apparatus set out in the Radio Interference Regulations of the Canadian Department of
Communications.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables
aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique
édicté par le ministère des Communications du Canada.

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.

Consequently , when used in a residential area or in an adjacent area thereto, radio interference may be
caused to radios and TV receivers, etc.

Read the instructions for correct handling.

ii MicroMMAC Installation Guide

Notice

CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT

IMPORTANT:

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. The Program may be contained in firmware, chips or other
media. BY UTILIZING THE ENCLOSED PRODUCT, YOU ARE AGREEING TO BECOME
BOUND BY THE TERMS OF THIS AGREEMENT, WHICH INCLUDES THE LICENSE AND
THE LIMITATION OF WARRANTY AND DISCLAIMER OF LIABILITY. IF YOU DO NOT
AGREE TO THE TERMS OF THIS AGREEMENT, PROMPTLY RETURN THE UNUSED
PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND.

Before utilizing this product, carefully read this License Agreement.

CABLETRON SOFTWARE PROGRAM LICENSE

1. LICENSE

package subject to the terms and conditions of this License Agreement.
You may not copy, reproduce or transmit any part of the Program except as permitted by the

Copyright Act of the United States or as authorized in writing by Cabletron.

2. OTHER RESTRICTIONS. You may not reverse engineer, decompile, or disassemble the

Program.

3. APPLICABLE LA W. This License Agreement shall be interpreted and governed under the laws

and in the state and federal courts of New Hampshire. You accept the personal jurisdiction and
venue of the New Hampshire courts.

. You have the right to use only the one (1) copy of the Program provided in this

EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY

1. EXCLUSION OF

writing, Cabletron makes no warranty, expressed or implied, concerning the Program (including
its documentation and media).

CABLETRON DISCLAIMS ALL WARRANTIES, OTHER THAN THOSE SUPPLIED TO
YOU BY CABLETRON IN WRITING, EITHER EXPRESSED OR IMPLIED, INCLUDING
BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO THE PROGRAM, THE
ACCOMPANYING WRITTEN MA TERIALS, AND ANY A CCOMPANYING HARDWARE.

2. NO LIABILITY FOR CONSEQUENTIAL DAMAGES. IN NO EVENT SHALL

CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER
(INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS,
PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, SPECIAL,
INCIDENTAL, CONSEQUENTIAL, OR RELIANCE DAMAGES, OR OTHER LOSS)
ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT,
EVEN IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES. BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR
LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR
ON THE DURATION OR LIMITATION OF IMPLIED WARRANTIES, IN SOME
INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO
YOU.

WARRANTY. Except as may be specifically provided by Cabletron in

MicroMMAC Installation Guide iii

Notice

UNITED STATES GOVERNMENT RESTRICTED RIGHTS

The enclosed product (a) was developed solely at private expense; (b) contains “restricted computer
software” submitted with restricted rights in accordance with Section 52227-19 (a) through (d) of the
Commercial Computer Software - Restricted Rights Clause and its successors, and (c) in all respects
is proprietary data belonging to Cabletron and/or its suppliers.

For Department of Defense units, the product is licensed with “Restricted Rights” as defined in the
DoD Supplement to the Federal Acquisition Regulations, Section 52.227-7013 (c) (1) (ii) and its
successors, and use, duplication, disclosure by the 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.

iv MicroMMAC Installation Guide

DECLARATION OF CONFORMITY

Notice

Application of Council Directive(s):

Manufacturer’s Name:

Manufacturer’ s Address:

European Representative Name:

European Representative Address:

Conformance to Directive(s)/Product Standards:

Equipment Type/Environment:

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

EC Directive 89/336/EEC
EC Directive 73/23/EEC
EN 55022
EN 50082-1
EN 60950

Networking Equipment, for use in a
Commercial or Light
Environment.

Industrial

We the undersigned, hereby declare that the equipment packaged with this notice conforms to
the above directives.

Manufacturer Legal Representative in Europe
Mr. Richard Michaud Mr. J. Solari

___________________________________ ___________________________________

Full Name Full Name
Manager of Engineering Services Managing Director - E.M.E.A.

___________________________________ ___________________________________

Title Title
Rochester, NH, USA Newbury, Berkshire, England

___________________________________ ___________________________________

Location Location

MicroMMAC Installation Guide v

Contents

CHAPTER 1 INTRODUCTION

1.1 How to Use This Manual .............................................................1-1

1.2 Manual Organization ...................................................................1-1

1.3 Document Conventions...............................................................1-2

1.4 MicroMMAC Overview.................................................................1-3

1.5 MicroMMAC Features..................................................................1-4

1.6 Stackable Capabilities.................................................................1-6

1.7 Remote Network Management Capabilities................................1-7

1.8 Optional Features........................................................................1-8

1.9 Related Manuals..........................................................................1-9

1.10 Getting Help...............................................................................1-10

CHAPTER 2 CONTROLS AND INDICATORS

2.1 Identifying MicroMMAC Components..........................................2-1

2.2 Turning the MicroMMAC ON and OFF........................................2-2

2.3 Using the LCD and LCD DISPLAY Button ..................................2-2

2.3.1 Static System Messages ................................................2-3

2.3.2 Saved Alarm Messages..................................................2-4

2.3.3 Unsaved Initialization Messages ....................................2-5

2.3.4 Saved System Messages ...............................................2-6

2.4 Using the Reset Button................................................................2-7

2.5 Using the NVRAM Switch............................................................2-8

CHAPTER 3 INSTALLATION

3.1 Unpacking the MicroMMAC.........................................................3-1

3.2 Removing the Chassis Cover......................................................3-2

3.3 Setting the Mode Switches..........................................................3-4

3.4 Upgrading the FLASH SIMM.......................................................3-6

3.5 Adding/Replacing EPIMs.............................................................3-8

3.6 Adding/Replacing BRIMs.............................................................3-9

3.7 Testing the MicroMMAC..............................................................3-9

3.8 Installing the MicroMMAC..........................................................3-10

3.8.1 Shelf or Tabletop Installation ........................................3-11

3.8.2 Attaching the Strain-Relief Bracket...............................3-12

3.8.3 Rack Mounting the MicroMMAC...................................3-13

3.8.4 Stacking the MicroMMAC .............................................3-14

MicroMMAC Installation Guide vii

Contents

CHAPTER 4 CONNECTING TO THE NETWORK

4.1 Connecting the MicroMMAC to the Network................................4-1

4.1.1 Connecting a 10BASE-T Segment to the MicroMMAC-22E
and MicroMMAC-24E4-2

4.1.2 Connecting a 10BASE-T Segment to the MicroMMAC-32E
and MicroMMAC-34E4-3

4.1.3 Connecting a 10BASE-T Segment to an EPIM-T............4-5

4.1.4 Connecting a 10BASE-F Segment to an EPIM-F1..........4-6

4.1.5 Connecting a 10BASE-F Segment to an EPIM-F2 or
EPIM-F34-8

4.1.6 Connecting a 10BASE2 Segment to an EPIM-C...........4-10

4.1.7 Connecting an AUI Segment to an EPIM-A ..................4-11

4.1.8 Connecting an AUI Segment to an EPIM-X ..................4-13

CHAPTER 5 TROUBLESHOOTING

5.1 Using LANVIEW...........................................................................5-1

5.2 Troubleshooting Checklist............................................................5-3

APPENDIX A MicroMMAC SPECIFICATIONS

A.1 Operating Specifications............................................................. A-1

A.2 Power Supply Requirements ...................................................... A-1

A.3 Environmental Requirements...................................................... A-2

A.4 Agency Approvals....................................................................... A-2

A.5 EMI Requirements ...................................................................... A-2

A.6 EMC Requirements..................................................................... A-2

A.7 Physical Specifications ............................................................... A-2

APPENDIX B EPIM SPECIFICATIONS

B.1 EPIM-T........................................................................................ B-1

B.2 EPIM-F1 and EPIM-F2................................................................ B-2

B.3 EPIM-F3...................................................................................... B-3

B.4 EPIM-C ....................................................................................... B-5

B.5 EPIM-A and EPIM-X ................................................................... B-6

viii MicroMMAC Installation Guide

Contents

APPENDIX C NETWORK PLANNING AND CONFIGURATION

C.1 Network Cable Requirements......................................................C-1

C.1.1 HubSTACK Interconnect Cable ......................................C-1

C.1.2 10BASE-T UTP and STP Cable......................................C-2

C.1.3 Multimode Fiber Optic Cable...........................................C-4

C.1.4 Single Mode Fiber Optic Cable .......................................C-5

C.1.5 10BASE2 Thin Coaxial Cable .........................................C-6

C.1.6 AUI Cable........................................................................C-7

C.2 Network Port Specifications.........................................................C-7

C.2.1 MicroMMAC-22E and MicroMMAC-24E

Network PortsC-8

C.2.2 MicroMMAC-32E and MicroMMAC-34E

Network PortsC-8

C.3 COM Port Specifications ...........................................................C-10

C.4 Transceiver Requirements ........................................................C-10

INDEX

MicroMMAC Installation Guide ix

CHAPTER 1

INTRODUCTION

Welcome to the Cabletron Systems

Intelligent Stackable Hub Installation Guide

MicroMMAC 10BASE-T

. This manual provides
installation instructions and reference information for the
MicroMMAC-22E, MicroMMAC-24E, MicroMMAC-32E,
MicroMMAC-34E, MicroMMAC-22ES, MicroMMAC-24ES,
MicroMMAC-32ES, and MicroMMAC-34ES.

Unless it is noted differently in this guide, the term MicroMMAC

NOTE

refers to the MicroMMAC-22E, MicroMMAC-24E,
MicroMMAC-32E, MicroMMAC-34E, MicroMMAC-22ES,
MicroMMAC-24ES, MicroMMAC-32ES, and
MicroMMAC-34ES.

1.1 HOW TO USE THIS MANUAL

Read through this manual to gain an understanding of the features and
capabilities of the MicroMMAC. A general knowledge of Ethernet and
IEEE 802.3 type data communications networks and their physical layer
components is helpful when installing the MicroMMAC.

1.2 MANUAL ORGANIZATION

This manual contains the following chapters and appendices:
Chapter 1,

describes MicroMMAC features, and concludes with a list of related
manuals.

Chapter 2,
the MicroMMAC.

Chapter 3,
stackable or standalone device.

Chapter 4,
MicroMMAC to the network using the various media types.

MicroMMAC Installation Guide Page 1-1

Introduction

Controls and Indicators

Installation

, outlines the contents of this manual, briefly

, shows the controls and indicators of

, describes how to install the MicroMMAC as a

Connecting to the Network

, explains how to connect the

Chapter 1:

Introduction

Chapter 5,

Troubleshooting

, describes how to use the LANVIEW LEDs

to troubleshoot network problems.
Appendix A,

MicroMMAC Specifications

, provides the physical
properties, environmental operating requirements, agency approvals, and
power requirements.

Appendix B,

EPIM Specifications

, lists specifications for each of the

optional EPIMs available for the MicroMMAC.
Appendix C,

Network Planning and Configuration

, provides network

cable requirements.

1.3 DOCUMENT CONVENTIONS

The following conventions are used throughout this document:

Note

symbol. Calls the reader’s attention to any item of

NOTE

information that may be of special importance.

TIP

!

CAUTION

Tip

symbol. Conveys helpful hints concerning procedures or

actions.

Caution

damage to the equipment.

Warning

equipment damage, personal injury or death.

symbol. Contains information essential to avoid

symbol. Warns against an action that could result in

Page 1-2 MicroMMAC Installation Guide

MicroMMAC Overview

1.4 MicroMMAC OVERVIEW

The MicroMMAC is an intelligent, repeating hub that provides complete
SNMP management to as many as four Stackable Ethernet Hub (SEH)
series non-intelligent hubs. The MicroMMAC has front panel ports for
network connections and a rear panel HubSTACK Interconnect Bus port
for stackable connections. In addition, the MicroMMAC has a rear panel
port that supports one Cabletron Systems Bridge Router Interface Module
(BRIM). BRIMs provide bridging/routing capability for Asynchronous
Transfer Mode (ATM), Ethernet, Fiber Distributed Data Interface (FDDI),
Token Ring, and Wide Area Network (WAN) connections.

The MicroMMAC provides front panel Ethernet connections using either
RJ45 connectors or RJ21 connectors. In addition, the MicroMMAC
provides two ports for Ethernet Port Interface Modules (EPIMs). EPIMs
provide connectivity for unshielded twisted pair, shielded twisted pair,
multimode fiber optic, single mode fiber optic, or thin coaxial cable.

The following list describes each configuration of the MicroMMAC:

MicroMMAC-22E

•

provides 12 RJ45 network ports, one EPIM port,

and one BRIM port.

•

MicroMMAC-24E

provides 24 RJ45 network ports, two EPIM ports,

and one BRIM port.

•

MicroMMAC-32E

provides one RJ21 connector (providing 12

twisted pair segments), one EPIM port, and one BRIM port.

•

MicroMMAC-34E

provides two RJ21 connectors (providing 24

twisted pair segments), two EPIM ports, and one BRIM port.

•

MicroMMAC-22ES

one BRIM port, and Cabletron Systems LANVIEW

•

MicroMMAC-24ES

ports, one BRIM port, and Cabletron Systems LANVIEW

•

MicroMMAC-32ES

provides 12 RJ45 network ports, one EPIM port,

SECURE

.

provides 24 RJ45 network ports, two EPIM

SECURE

provides one RJ21 connector (providing 12
twisted pair segments), one EPIM port, one BRIM port, and Cabletron
Systems LANVIEW

SECURE

.

.

•

MicroMMAC-34ES

twisted pair segments), two EPIM ports, one BRIM port, and
Cabletron Systems LANVIEW

MicroMMAC Installation Guide Page 1-3

provides two RJ21 connectors (providing 24

SECURE

.

Chapter 1:

Introduction

1.5 MicroMMAC FEATURES

Repeater Functionality

The MicroMMAC fully conforms to the IEEE 802.3 Repeater, AUI, and
10BASE-T specifications, and provides the flexibility to connect
networks using IEEE 802.3, Ethernet Version 1 or Version 2 equipment.
The MicroMMAC transmits retimed data packets, regenerates the
preamble, extends fragments, and arbitrates collisions.

The MicroMMAC automatically partitions problem segments, and
reconnects repaired segments to the network. This feature minimizes the
impact on network operation resulting from a problem on one segment by
isolating the problem segment. Only devices on the problem segment are
affected. When the problem is solved, the MicroMMAC automatically
reconnects the isolated segment to the network.

Polarity Detection and Correction

Each twisted pair port on the MicroMMAC incorporates a Polarity
Detection and Correction feature. This feature allows the MicroMMA C to
pass data regardless of the polarity of the twisted pair segment’s receive
link. Cabletron Systems does not recommend operating in this condition.
If you discover this condition, remove the segment from the network and
wire it correctly. This reduces the potential for problems in the future if
equipment changes are made.

Local Management

Local Management allows you to manage the MicroMMAC and all its
attached segments. It also provides full packet and error statistics for the
entire stack, individual device, or individual port. You access Local
Management by attaching a DEC VT320 terminal or a PC using VT320
emulation software to the MicroMMA C’s RJ45 COM 2 port. Refer to the

MicroMMAC Local Management User’s Guide

for instructions on how to

use Local Management.

LANVIEW LED

Cabletron Systems LANVIEW status monitoring and diagnostics system
is a troubleshooting tool that helps diagnose power failures, collisions,
cable faults, and link problems. LANVIEW LEDs are conveniently
located on the MicroMMAC front panel.

Page 1-4 MicroMMAC Installation Guide

MicroMMAC Features

LCD

The MicroMMAC is equipped with an LCD that provides information
about the MicroMMAC such as po wer up diagnostics, firmware re visions,
MAC and IP addresses, and error alerts.

Reset Button

The Reset button lets you re-boot and initialize the processor.

Intelligence

The MicroMMAC is equipped with an advanced Intel i960
microprocessor to provide a scalable RISC-based architecture.

Management Information Base (MIB) Support

The MicroMMAC provides IETF MIB support which includes the
following:

• Remote Monitoring MIB (RMON)

• Bridge MIB

• MIBII

Serial Connections

The MicroMMAC provides two RJ45 ports (COM 1 and COM 2) for
serial connections. The COM ports allow access to Local Management by
locally connecting a DEC VT220 or VT320 terminal, or a PC using VT
emulation software. The COM ports also provide a connection for an
Uninterruptible Power Supply (UPS).

DLM

Cabletron Systems Distributed LAN Monitor (DLM) is a software option
for the MicroMMAC. DLM pro vides a method to locally poll and monitor
any Simple Network Management Protocol (SNMP) or Internet Protocol
(IP) device using a remote management application.

MicroMMAC Installation Guide Page 1-5

Chapter 1:

FLASH EEPROMs

Introduction

The MicroMMAC uses FLASH Electrically Erasable Programmable
Read Only Memory (EEPROM) which allows you to download new and
updated firmware using SPECTRUM Element Manager for Windows or
any device using BOOTP or tftp protocols.

The MicroMMAC supports the following download applications:

Standard Download

•

- the MicroMMAC automatically becomes

disabled while the new firmware image loads directly into Local

not

Dynamic Random Access Memory (LDRAM). You can

perform a

Standard Download through a BRIM interface.

•

Runtime Download - the MicroMMAC continues to operate without
interruption while you download the ne w firmware image directly into
FLASH memory. The original firmware image in LDRAM continues
to run until the MicroMMAC is reset. You can perform a Runtime
Download through any network port, including the BRIM.

1.6 STACKABLE CAPABILITIES

The MicroMMAC can be stacked together with Cabletron Systems SEH
series of non-intelligent hubs. You can stack as many as four
non-intelligent hubs with one MicroMMAC. The MicroMMAC provides
complete management for the stack, including full packet and error
statistics for the entire stack, individual de vice, or individual port. Y ou can
also add or remove hubs from the stack without having to power down.

Stackable configurations let you maintain only one IEEE repeater hop
while providing up to 130 Ethernet ports. The rear panel HubSTACK
Interconnect Bus Out port of the MicroMMAC lets you daisy chain hubs
together using the HubSTACK Interconnect cable. Figure 1-1 shows a
typical stackable configuration.

Page 1-6 MicroMMAC Installation Guide

Remote Network Management Capabilities

REAR VIEW
MicroMMAC MANAGING 4 SEH NON-INTELLIGENT HUBS

HubSTACK
SEH-24

HubSTACK
SEH-24

HubSTACK
SEH-24

HubSTACK
SEH-24

10BASE-T

OUT

10BASE-T

OUT

10BASE-T

OUT

10BASE-T

OUT

MicroMMAC-34E

HUB

WITH

SEH INTERCONNECT

HUB

WITH

SEH INTERCONNECT

HUB

WITH

SEH INTERCONNECT

HUB

WITH

LANVIEW®

SEH INTERCONNECT

10BASE-T

LINE:
100-125V - 4.0A
200-250V - 2.0A

50/60Hz

LANVIEW®

LANVIEW®

LANVIEW®

HUB

WITH

SN

IN

IN

IN

IN

LANVIEW®

SEH INTERCONNECT

OUT

090802

Figure 1-1 Typical Stackable Configuration

1.7 REMOTE NETWORK MANAGEMENT CAPABILITIES

You can manage the MicroMMAC remotely by any SNMP network
management system. Cabletron Systems offers the following remote
management packages:

• Cabletron Systems SPECTRUM

• Cabletron Systems SPECTRUM Element Manager for Windows

• Cabletron Systems Remote SPECTRUM Portable Management
Applications

MicroMMAC Installation Guide Page 1-7

Chapter 1: Introduction

1.8 OPTIONAL FEATURES

The following features are not included with the MicroMMA C, but can be
purchased separately from Cabletron Systems.

Bridging/Routing Capabilities

Bridge Router Interface Modules (BRIMs) provide the MicroMMAC
with bridging/routing capability. Cabletron Systems offers BRIMs that
support the following technologies:

• Asynchronous Transfer Mode (ATM)

• Ethernet

• Fast Ethernet

• Fiber Distributed Data Interface (FDDI)

• Token Ring

• Wide Area Network (WAN)

Refer to the release notes included with the MicroMMAC for a

NOTE

Ethernet Port Interface Modules (EPIMs)

list of available BRIMs.

EPIMs provide the MicroMMAC with Ethernet connectivity to a variety
of media. Cabletron Systems offers the EPIMs shown in Table 1-1.

Page 1-8 MicroMMAC Installation Guide

Related Manuals

Table 1-1 EPIMs

EPIM Media T ype Connectors

EPIM-A AUI DB15 (Female)
EPIM-C 10BASE2 Thin Coaxial BNC
EPIM-F1 Multimode Fiber SMA
EPIM-F2 Multimode Fiber ST
EPIM-F3 Single Mode Fiber ST
EPIM-T 10BASE-T Unshielded Twisted Pair RJ45
EPIM-X Standard Transceiver DB15 (Male)

HubSTACK Interconnect Cables

HubSTACK Interconnect cables link the MicroMMAC to SEH hubs in
the stack. Table 1-2 lists the part number and application for each cable.

Table 1-2 HubSTACK Interconnect Cables

Part Number Description Application

9380110 12” HubSTACK Interconnect

Cable

9380111 18” HubSTACK Interconnect

Cable

SEH to SEH
connections

MicroMMAC to SEH
connections

1.9 RELATED MANUALS

Use the following manuals to supplement the procedures and other
technical data provided in this manual. The procedures contained in the
following manuals are referenced where appropriate, but not repeated in
this manual.

• Cabletron Systems SEH Series User’s Guides

• Cabletron Systems BRIM User's Guides

MicroMMAC Installation Guide Page 1-9

Chapter 1: Introduction

1.10 GETTING HELP

If you need additional support related to the MicroMMAC, or if you ha ve
any questions, comments, or suggestions concerning this manual, contact
Cabletron Systems Technical Support:

By phone [phone]

Monday – Friday; 8
By CompuServe GO CTRON from any ! prompt
By Internet mail [e-mail]
By FTP ctron.com (134.141.197.25)

Login anonymous
Password your email address

Before calling Cabletron Systems Technical Support, have the following
information ready:

• A description of the failure

A.M. – 8 P.M. Eastern T ime

• A description of any action(s) already taken to resolve the problem

(e.g., changing mode switches, rebooting the unit, etc.)

• A description of your network environment (layout, cable type, etc.)

• Network load and frame size at the time of trouble (if known)

• 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

Page 1-10 MicroMMAC Installation Guide

CHAPTER 2

CONTROLS AND INDICATORS

This chapter describes how to identify and use the controls and indicators
of the MicroMMAC.

2.1 IDENTIFYING MicroMMAC COMPONENTS

Figure 2-1 shows each of the MicroMMAC’s operational components.

FRONT VIEW

10BASE-T HUB

MicroMMAC-24E

CABLETRON
MicroMMAC-24

RESET

DISPLAY

COM 1COM 2

WITH

PWR
CPU
CLN

COM PORTS

RESET BUTTON

LCD DISPLAY BUTTON

MicroMMAC-24E 10BASE-T HUB WITH LANVIEW®

SN

LINE:
100-125V - 4.0A
200-250V - 2.0A

50/60Hz

POWER CORD CONNECTOR

LANVIEW

RCV
LNK

24 23 22

RCV
LNK

12 11 10

SYSTEM LEDS

LCD

R

18 17 16

654

15 14 13

321

21 20 19

987

PORT STATUS LEDS

E
2

E
1

12X 11X 10X 9X 8X 7X 6X 5X 4X 3X 2X 1X

20X

22X23X24X

21X

19X

18X 17X 16 X

NETWORK PORTS

BRIM PORT

HubSTACK INTERCONNECT PORT

15 X 14 X 13 X

EPIM PORTS

REAR VIEW

SEH INTERCONNECT

OUT

EPIM 2

EPIM 1

MicroMMAC Installation Guide Page 2-1

SIDE VIEW

NVRAM SWITCH ACCESS

090829

Figure 2-1 MicroMMAC Components

Chapter 2: Controls and Indicators

2.2 TURNING THE MicroMMAC ON AND OFF

The MicroMMAC is NOT equipped with a Power ON/OFF

NOTE

To power-on the MicroMMAC, perform the following steps:

1. Plug the power cord into the power cord connector on the back panel
of the MicroMMAC.

2. Plug the other end of the power cord into a grounded wall outlet.

3. Verify that the PWR LED is on, indicating that the MicroMMAC is
receiving power. After the MicroMMAC runs a self test, the CPU
LED blinks green indicating normal operation. If the LED remains
red, the processor is faulty; contact Cabletron Systems Technical
Support.

switch.

To power-off the MicroMMAC, disconnect the power cord from the
power outlet.

2.3 USING THE LCD AND LCD DISPLAY BUTTON

The LCD provides information about the operation of the MicroMMAC
and network activity. Four types of messages appear on the LCD:

• Static System Messages

• Saved Alarm Messages

• Unsaved Initialization Messages

• Saved System Messages

The following sections describe each type of LCD message and provide
instructions for displaying them.

Page 2-2 MicroMMAC Installation Guide

Using the LCD and LCD DISPLAY Button

2.3.1 Static System Messages

Static System messages provide MicroMMA C configuration information.
Table 2-1 lists each message. To view Static System messages, perform
the following steps:

1. Press and immediately release the Display button to view the first

Static System Message in the queue.

2. Press and release the Display button to display each subsequent

message.
If the Display button is not pressed again for ten seconds, the LCD

defaults to the product name.

Table 2-1 Static System Messages

Displayed Messages Comments

IP Address
xxx.xxx.xxx.xxx

MAC Address
00001dxxxxxx

RAM Image
Rev. xx.xx.xx

Boot PROM
Rev. xx.xx.xx

Flash Programmed
xx Times

COM 1 Port
Baud Rate xxxxx

COM 1 Port
Function xxxxx

COM 2 Port Baud Rate
xxxxx

Displays the MicroMMAC’s IP address. The IP
address can be changed through Local
Management.

Displays the MicroMMAC’s MAC address (this
address is also called the physical address).

Displays the revision number of the image
currently executing in FLASH.

Displays the revision number of the internal
Boot PROM.

Displays the number of times FLASH has been
programmed.

Displays the Baud Rate f or the COM 1 port. The
default setting is AUTO because the
MicroMMAC uses Auto-Baud detection.

Displays the current function of the COM 1 Port
(N/A, UPS, LM).

Displays the baud rate for the COM 2 port. The
default setting is AUTO because the
MicroMMAC uses Auto-Baud detection.

COM 2 Port
Function xxxxxx

MicroMMAC Installation Guide Page 2-3

Displays the current function of the COM 2 Port
(N/A, UPS, LM).

Chapter 2: Controls and Indicators

2.3.2 Saved Alarm Messages

Saved Alarm messages describe events that occur within the
MicroMMAC or on the network. Table 2-2 shows each Saved Alarm
message. To view Saved Alarm messages, perform the following steps:

1. Press the Display button for five seconds and then release to view the
first Saved Alarm message in the message queue.

2. Press and immediately release the Display button to scroll through
each subsequent message.

If the Display button is not pressed again for 10 seconds, the LCD
defaults to the product name.

Table 2-2 Saved Alarm Messages

Displayed Messages Comments

No Messages in Queue No Alarm messages in queue. This is the

default setting.

Port xxxxxx
Segmented

Port xxxxxx
UnSegmented

Port xxxxxx
Link Established

Port xxxxxx
Not Linked

EPIM-x
Inserted

EPIM-x
Removed

EPIM-x
Security Violation

Displays segmentation status of network ports
1–24, EPIM-1 or EPIM-2.

Displays segmentation status of network ports
1–24, EPIM-1, or EPIM-2.

Displays link status of network ports 1–24,
EPIM-1, EPIM-2, or BRIM-1.

Displays link status of network ports 1–24,
EPIM-1, EPIM-2, or BRIM-1.

Displays installation status of EPIM-1 or
EPIM-2.

Displays installation status of EPIM-1 or
EPIM-2.

Indicates unauthorized access attempt at
EPIM-1 or EPIM-2.

CableRedun Fail
Port EPIM-x

CableRedun Enable Indicates redundant link enabled.
Port EPIM-x EPIM-1 or EPIM-2.
Port xxxxxx

Disabled

Page 2-4 MicroMMAC Installation Guide

Indicates failure of redundant link at EPIM-1 or
EPIM-2.

Indicates network ports 1–24, EPIM-1, or
EPIM-2 disabled.

Using the LCD and LCD DISPLAY Button

Table 2-2 Saved Alarm Messages (Continued)

Displayed Messages Comments

Port xxxxxx
Enabled

Port xx Security
Violation

Cable Redundancy
Port xxxxxx Failure

Cable Redundancy
Enable Port xxxxxx

Indicates network ports 1–24, EPIM-1, or
EPIM-2 enabled.

Indicates unauthorized access attempt at ports
1–24.

Indicates failure of redundant link at ports 1–24,
EPIM-1, or EPIM-2.

Indicates redundant link enabled at ports 1–24,
EPIM-1, or EPIM-2.

2.3.3 Unsaved Initialization Messages

Unsaved Initialization messages are po wer-up messages that appear as the
event occurs, but are not saved in a buffer for future recall. Table 2-3 lists
Unsaved Failure or Error messages and Table 2-4 lists normal Unsaved
Initialization messages.

If Failure or Error Messages appear, call Cabletron Systems

!

CAUTION

Technical Support.

Table 2-3 Unsaved Failure or Error Messages

Cabletron
Ctrl. Reg. Err.

Cabletron
SDRAM Failure

Cabletron
SONIC Failure

Cabletron
Console SCC Error

Cabletron
82C54 Failure

Cabletron
BBRAM Failure

Cabletron
Modem SCC Error

Cabletron
Bit Swap Failure

Cabletron
LDRAM Failure

MicroMMAC Installation Guide Page 2-5

Chapter 2: Controls and Indicators

Table 2-4 Normal Unsaved Initialization Messages

Cabletron
Hardware Init

Cabletron
BOOTP Discovery

Cabletron
TFTP Req. State

Cabletron
TFTP Complete

Cabletron
Programming Flash

Cabletron
Boot Complete

Cabletron
Boot From Flash

Cabletron
RARP Req. State

Cabletron
TFTP in Progress

Cabletron
Erasing Flash

Cabletron
Flash Programmed

Cabletron
Test in Progress

2.3.4 Saved System Messages

Saved System messages are de vice related startup or boot strap messages,
BOOTP/tftp host, or startup error messages. To access the Saved System
messages queue, perform the following steps:

1. Enter the Saved Alarm messages queue as described in Section 2.3.2.

2. Press the Display button for two seconds and then release to display
the first Saved System message.

3. Press and immediately release the Display button to display each
subsequent message.

If the Display button is not pressed again for ten seconds, the LCD
defaults to the product name.

Page 2-6 MicroMMAC Installation Guide