Cabletron Systems EMC38-12 Manuel utilisateur

EMC38-12
12 PORT ETHERNET MEDIA CONVERTER
USER’S GUIDE
CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03866-5005

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EMC38-12 USER’S GUIDE

EMC38-12 USER’S GUIDE
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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 BEENADVISED OF, KNOWN, OR
SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH DAMAGES.
© Copyright December 1994 by:
Cabletron Systems, Inc., P.O. Box 5005, Rochester, NH 03866-5005
All Rights Reserved
Printed in the United States of America
Part Number: 9031329 December 1994
LANVIEW
is a registered trademark of Cabletron Systems, Inc.
Windows
is a registered trademark of Microsoft Corp.
Ethernet
is a trademark of Xerox Corp.
CompuServe
is a registered trademark of CompuServe.
This electric hazard symbol appears in the EMC38-12 User’s Guide. Read
all instructions following this symbol. Failure to follow the instructions
appearing with this symbol could result in the presence of an electric
hazard which has the potential to cause injury.
Printed On Recycled Paper

NOTICE
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EMC38-12 USER’S GUIDE
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 ClassA
digital 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:
Changes or modifications made to this device which are not expressly
approved by the party responsible for compliance could void the user’s authority to
operate the equipment.
DOC NOTICE
This digital apparatus does not exceed the ClassA 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.

NOTICE
EMC38-12 USER’S GUIDE
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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.
CABLETRON SYSTEMS, INC.
PROGRAM LICENSE AGREEMENT
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. 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 LICENSEAND THE LIMITATION OF
WARRANTY AND DISCLAIMER OF LIABILITY. IFYOU DO NOT AGREE TO THE
TERMS OF THISAGREEMENT, PROMPTLY RETURN THE UNUSED PRODUCT
TO THE PLACE OF PURCHASE FOR A FULL REFUND.

NOTICE
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EMC38-12 USER’S GUIDE
CABLETRON SOFTWARE PROGRAM LICENSE
1. LICENSE. You have the right to use only the one (1) copy of the Program provided
in this 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 LAW. 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.
EXCLUSION OFWARRANTY AND
DISCLAIMER OF LIABILITY
1. EXCLUSION OF WARRANTY. Except as may be specifically provided by
Cabletron in writing, Cabletron makes no warranty, expressed or implied, concerning the
Program (including Its documentation and media).
CABLETRON DISCLAIMS ALL WARRANTIES, OTHER THAN THOSE SUPPLIED
TOYOU BY CABLETRON IN WRITING, EITHER EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF
MERCHANTABLITY AND FITNESS FOR A PARTICULAR PURPOSE, WITH
RESPECT TO THE PROGRAM, THE ACCOMPANYING WRITTEN MATERIALS,
AND ANY ACCOMPANYING 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 WARRANTEES IN SOME INSTANCES THE ABOVE
LIMITATIONSAND EXCLUSIONS MAY NOT APPLY TOYOU.

NOTICE
EMC38-12 USER’S GUIDE
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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.

NOTICE
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EMC38-12 USER’S GUIDE

EMC38-12 USER’S GUIDE
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TABLE OF CONTENTS
TABLE OF CONTENTS
CHAPTER 1 INTRODUCTION
1.1 USING THIS MANUAL................................................................1-1
1.2 GETTING HELP..........................................................................1-2
1.3 EMC38-12 OVERVIEW...............................................................1-2
1.4 EMC38-12 FEATURES...............................................................1-3
1.5 EMC38-12 SPECIFICATIONS ....................................................1-3
CHAPTER 2 INSTALLATION
2.1 UNPACKING THE EMC38-12.....................................................2-1
2.2 INSTALLING THE EMC38-12.....................................................2-1
2.2.1 Rack Mounting the EMC38-12 .......................................2-2
2.2.2 Free-Standing Shelf or Tabletop Installation..................2-3
2.3 CONNECTING THE EMC38-12 TO THE POWER SOURCE.....2-4
CHAPTER 3 CONNECTING TO THE NETWORK
3.1 CONNECTING A TWISTED PAIR SEGMENT
TO THE EMC38-12.....................................................................3-1
3.2 CONNECTING A FIBER OPTIC LINK SEGMENT......................3-2
3.3 FINISHING THE INSTALLATION................................................3-4
CHAPTER 4 USING THE LANVIEW LEDS
4.1 PWR (Power)...............................................................................4-1
4.2 XMT (Transmit)............................................................................4-1
4.3 RCV (Receive).............................................................................4-2
4.4 TPLNK (Twisted Pair Link)..........................................................4-2
4.5 FOLNK (Fiber Optic Link)............................................................4-2
APPENDIX A CABLE REQUIREMENTS
A.1 10Base-T TWISTED PAIR REQUIREMENTS ............................A-1
A.2 10Base-FL MULTIMODE FIBER REQUIREMENTS...................A-2

TABLE OF CONTENTS
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EMC38-12 USER’S GUIDE
APPENDIX B TWISTED PAIR WIRING TABLES
B.1 TWISTED PAIR WIRING FROM AN EMC38-12 TO A
PUNCH DOWN BLOCK..............................................................B-2
B.2 TWISTED PAIR WIRING FROM A PUNCH DOWN
BLOCK TO A 10Base-T DEVICE ...............................................B-5
Table des matières
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