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Cabletron Systems EMC38-12 User Manual

Cabletron systems user's guide 12 port ethernet media converter emc38-12
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EMC38-12
12 PORT ETHERNET MEDIA CONVERTER
USER'S GUIDE
CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03866-5005

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  • Page 1 EMC38-12 12 PORT ETHERNET MEDIA CONVERTER USER’S GUIDE CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03866-5005...
  • Page 2 EMC38-12 USER’S GUIDE...
  • Page 3 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 4: Fcc Notice

    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. EMC38-12 USER’S GUIDE...

  • Page 5: Vcci Notice

    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.
  • Page 6 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 LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU. EMC38-12 USER’S GUIDE...

  • Page 7: United States Government Restricted Rights

    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.
  • Page 8 NOTICE EMC38-12 USER’S GUIDE...

  • Page 9: Table Of Contents

    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 CONNECTING THE EMC38-12 TO THE POWER SOURCE... 2-4 CHAPTER 3 CONNECTING TO THE NETWORK CONNECTING A TWISTED PAIR SEGMENT TO THE EMC38-12 ... 3-1 CONNECTING A FIBER OPTIC LINK SEGMENT...
  • Page 10 TABLE OF CONTENTS APPENDIX B TWISTED PAIR WIRING TABLES TWISTED PAIR WIRING FROM AN EMC38-12 TO A PUNCH DOWN BLOCK... B-2 TWISTED PAIR WIRING FROM A PUNCH DOWN BLOCK TO A 10Base-T DEVICE ... B-5 viii EMC38-12 USER’S GUIDE...

  • Page 11: Chapter 1: Introduction

    EMC38-12. Chapter 1, Introduction, describes EMC38-12 features and specifications. Chapter 2, Installation, describes how to install the EMC38-12 into a 19-inch rack or as a stand-alone device. Chapter 3, Connecting to the Network, explains how to connect network segments to the EMC38-12.

  • Page 12: Getting Help

    CHAPTER 1: INTRODUCTION 1.2 GETTING HELP If you need additional support related to the EMC38-12, or if you have any questions, comments, or suggestions concerning this manual, contact Cabletron Systems Technical Support: By phone ...(603) 332-9400 ® By CompuServe ...GO CTRON from any! prompt By Internet mail ...support@ctron.com...

  • Page 13: Emc38-12 Features

    LANVIEW. LANVIEW LEDs help you quickly identify Power and Link status. Connectivity The rear panel of the EMC38-12 has a 50-pin Champ connector (RJ-71) that supports twelve twisted pair segments. The front panel has twelve 10Base-FL multimode ST ports. Each multimode ST port has a Receive connector and a Transmit connector.
  • Page 14 EN 60950; the EMI requirements of FCC Class A and EN 55022 Class A, VCCI Class I; and the EMC requirements of EN 50082-1. Page 1-4 +5 to +40 C (41 to 104 F) 5 to 95% (non-condensing) EMC38-12 USER’S GUIDE...

  • Page 15: Chapter 2: Installation

    2.2 INSTALLING THE EMC38-12 You can install the EMC38-12 in a 19-inch rack or place it on any horizontal surface (e.g. a table or shelf). Cabletron provides an accessory kit with the EMC38-12 that includes Rack Mount Brackets and Mounting Screws.

  • Page 16: Rack Mounting The Emc38-12

    CHAPTER 2: INSTALLATION 2.2.1 Rack Mounting the EMC38-12 Before installing the EMC38-12, care must be taken to ensure that the rack used will support the unit and that the rack remains stable with the EMC38-12 installed. In order to allow for proper cooling within the rack, there must be a two inch clearance on either side of the unit.

  • Page 17: Free-Standing Shelf Or Tabletop Installation

    Figure 2-3 shows the surface requirements for installing the EMC38-12 on a shelf or tabletop. Shelving units must support 30 pounds of static weight. Before you install the EMC38-12, ensure the power source and enviromental conditions meet the requirements specified in Chapter 1.

  • Page 18: Connecting The Emc38-12 To The Power Source

    1. Plug the power cord into the back panel of the EMC38-12. 2. Plug the other end of the power cord into a grounded wall outlet. 3. Verify that the PWR LED is on, this indicates that the EMC38-12 is receiving power.

  • Page 19: Chapter 3: Connecting To The Network

    EMC38-12 and to a 10Base-T compliant ethernet device that has a 50-pin Champ connector (e.g. Cabletron’s ELM or TPRMIM). You can also run a 50-pin feeder cable from the EMC38-12 to a punch down block. The Champ connector supports twelve 10Base-T, twisted pair segments.

  • Page 20: Connecting A Fiber Optic Link Segment

    10Base-T compliant ethernet device. 3. Check that the link LED on the 10Base-T ethernet device and the applicable TPLNK LED on the EMC38-12 are on. If the LEDs are not on, perform each of the following steps until the LEDs are on: a.
  • Page 21 Receive and which is Transmit. When you buy fiber optic cable from Cabletron Systems, it is labeled so that: at one end of the cable, one fiber is labeled 1, and the other fiber is labeled 2. This pattern is repeated at the other end of the cable.

  • Page 22: Finishing The Installation

    The EMC38-12 is now ready for operation. Before placing the network into service, test the installation thoroughly, making sure that you can address all stations and that the EMC38-12 and all stations are indicating normal operation. Ensure that the networking software is configured properly to match the installed network.

  • Page 23: Chapter 4: Using The Lanview Leds

    TPLINK 4.1 PWR (Power) • On (Green) - Indicates that the EMC38-12 is receiving power. • Off - Indicates that the unit is not receiving power. Check the input power source (circuit breakers, fuse, power cord, etc.). If the proper source is present, the problem could be with the unit.

  • Page 24: Rcv (Receive)

    fiber segment and the 10Base-FL device at the other end of the segment. The LED will remain on as long as there is a link between the devices and power is supplied to each linked device. • Off - No link. Page 4-2 EMC38-12 USER’S GUIDE...

  • Page 25: Appendix A: Cable Requirements

    A.1 10Base-T TWISTED PAIR REQUIREMENTS When you connect a 10Base-T twisted pair segment to the EMC38-12, the device at the other end of the twisted pair segment must meet IEEE 802.3 10Base-T specifications. Your 10Base-T twisted pair segment must meet the following requirements.

  • Page 26: 10Base-Fl Multimode Fiber Requirements

    A.2 10Base-FL MULTIMODE FIBER REQUIREMENTS When you connect a 10Base-FL Multimode Fiber segment to the EMC38-12, the device at the other end of the fiber segment must meet IEEE 802.3j 10Base-FL specifications. Your 10Base-FL Multimode Fiber segment must meet the following requirements.

  • Page 27: Punch Down Block

    Punch Down Block (see Figure B-1) to wire your twisted pair segments. The following tables are included in this appendix: • Table B-1 Twisted Pair Wiring from an EMC38-12 to a Punch Down Block • Table B-2 Twisted Pair Wiring from a Punch Down Block to a 10Base-T Device EMC38-12 USER’S GUIDE...

  • Page 28: Twisted Pair Wiring From An Emc38-12 To A

    APPENDIX B: TWISTED PAIR WIRING TABLES B.1 TWISTED PAIR WIRING FROM AN EMC38-12 TO A PUNCH DOWN BLOCK Note: Pins 25 and 50 on the Champ connector are not used. Table B-1. EMC38-12 to a Punch Down Block From Into and Out of 50...
  • Page 29 Table B-1. EMC38-12 to a Punch Down Block (Continued) From Into and Out of 50 EMC38-12 Pin Feeder Cable Port 8 40 Black/Gray 15 Gray/Black 41 Yellow/Blue 16 Blue/Yellow Port 7 38 Black/Green 13 Green/Black 39 Black/Brown 14 Brown/Black Port 6...
  • Page 30 APPENDIX B: TWISTED PAIR WIRING TABLES Table B-1. EMC38-12 to a Punch Down Block (Continued) From Into and Out of 50 EMC38-12 Pin Feeder Cable Port 4 32 Red/Orange 33 Red/Green Port 3 30 White/Gray 31 Red/Blue Port 2 28 White/Green...

  • Page 31: B.2 Twisted Pair Wiring From A Punch Down Block To A 10Base-T Device

    B37 Yellow/Brown B38 Brown/Yellow B39 Yellow/Gray B40 Gray/Yellow Port 9 B33 Yellow/Orange B34 Orange/Yellow B35 Yellow/Green B36 Green/Yellow EMC38-12 USER’S GUIDE TWISTED PAIR WIRING TABLES To RJ-45 Wallplate 3 RX+ 6 RX- 1 TX+ 2 TX- 3 RX+ 6 RX-...
  • Page 32 1 TX+ 2 TX- 2 TX- 3 RX+ 3 RX+ 6 RX- 6 RX- 1 TX+ 1 TX+ 2 TX- 2 TX- 3 RX+ 3 RX+ 6 RX- 6 RX- 1 TX+ 1 TX+ 2 TX- 2 TX- EMC38-12 USER’S GUIDE...
  • Page 33 B12 Blue/Red Port 2 White/Green Green/White White/Brown Brown/White Port 1 White/Blue Blue/White White/Orange Orange/White EMC38-12 USER’S GUIDE TWISTED PAIR WIRING TABLES To RJ-45 Wallplate 3 RX+ 6 RX- 1 TX+ 2 TX- 3 RX+ 6 RX- 11 TX+ 2 TX-...
  • Page 34 APPENDIX B: TWISTED PAIR WIRING TABLES Figure B-1. Punch Down Block Pins Page B-8 EMC38-12 USER’S GUIDE...

  • Page 35: Power Supply Cord

    POWER SUPPLY CORD The mains cord used with this equipment must be a 2 conductor plus ground type with minimum 0.75 mm square conductors and must 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.

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