Cabletron Systems MR-9000TPT User Manual

MR-9000TPT

ETHERNET MULTIPORT REPEATER

USER’S GUIDE

The Complete Networking Solution

Cabletron Systems, P.O. Box 5005, Rochester, N.H. 03867-0505

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.

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 April 1992 by
Cabletron Systems Inc.

P.O. Box 5005
Rochester N.H. 03867-0505

All Rights Reserved
Printed in the United States of America

Order number: 9030063-01 April 1992
LANVIEW is a registered trademark and MR-9000TPT and TPT-2

are trademarks of Cabletron Systems, Inc.
Ethernet is a trademark of Xerox Corporation

i

NOTICE

FCC NOTICE

This device complies with Part 15 of 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 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 at
his own expense to correct the interference.

If this equipment does cause interference to radio or television, which
can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the
following measures:

• Re-orient the receiving antenna.

• Relocate the MR-9000TPT with respect to the antenna.

• Move the MR-9000TPT away from the receiver.

• Plug the MR-9000TPT into a different outlet so that the
MR-9000TPT and the receiver are on different branch
circuits.

If necessary, you should consult the dealer or an experienced radio/
television technician for additional suggestions. You may find the
following Federal Communication Commission booklet helpful:

“Interference Handbook”

This booklet is available from the U.S. Government Printing Office,
Washington D.C. 20402 - Stock No. 004-000-00482-5

ii

CONTENTS

CONTENTS

CHAPTER 1 INTRODUCTION

1.1 OVERVIEW .................................................................................. 1-1

1.2 GETTING HELP .......................................................................... 1-2

CHAPTER 2 SPECIFICATIONS AND REQUIREMENTS

2.1 SPECIFICATIONS....................................................................... 2-1

General Specifications.................................................................. 2-1

RJ-45 Interface (Port 1 - 8) .......................................................... 2-2

RJ-45 Port Pin Configuration ...................................................... 2-3

AUI Interface (Port 9) .................................................................. 2-3

AUI Connector Pin Configuration ............................................... 2-4

System Jitter ................................................................................ 2-4

Power Supply................................................................................ 2-4

Environmental Requirements...................................................... 2-5

Safety ............................................................................................ 2-5

Service........................................................................................... 2-5

Physical......................................................................................... 2-5

2.2 NETWORK DESIGN GUIDELINES .......................................... 2-6

2.3 SITE SELECTION GUIDELINES .............................................. 2-6

CHAPTER 3 INSTALLING THE MR-9000TPT

3.1 INSTALLING THE MR-9000TPT ............................................... 3-1

3.2 POWERING UP THE MR-9000TPT ........................................... 3-3

CHAPTER 4 USING LANVIEW

4.1 LANVIEW INDICATORS ............................................................ 4-1

iii

CONTENTS

iv

INTRODUCTION

CHAPTER 1

INTRODUCTION

1.1 OVERVIEW

The MR-9000TPT Multiport Repeater can connect up to eight twisted
pair segments to a network segment of the same or different media,
or you can use the MR-9000TPT as a stand-alone repeater for up to
eight twisted pair segments. The MR-9000TPT can

• transmit re-timed data packets

• regenerate preambles

• extend collision fragments

• automatically partition problem segments

• automatically reconnect non-problem segments

The MR-9000TPT Multiport Repeater incorporates Cabletron
Systems’ LANVIEWTM monitoring and diagnostic system. LANVIEW
gives a visual indication of problems such as power failures,
collisions, and cable faults. LANVIEW can alert you to a problem
condition, and indicate the nature of the problem, which streamlines
troubleshooting.

MR-9000TPT

WITH

MULTIPORT ETHERNET/
IEEE 802.3 REPEATER

LANVIEW

TM

PWR

XCVR

PWR

JAM

8 7 6 5 4 3 2 19

RECEIVE

COLLISION

PORT OK

CABLE
SEGMENT

Page 1-1