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Cabletron Systems EMC38-12 - page 1
EMC38-12 12 PORT ETHERNET MEDIA CONVERTER USER’S GUIDE CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03866-5005 ...
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Cabletron Systems EMC38-12 - page 2
0 EMC38-12 USER’S GUIDE ...
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EMC38-12 USER’S GUIDE i NO TICE 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 ha ve been made. The hardware, firmware, or softw are described in this manua ...
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Cabletron Systems EMC38-12 - page 4
NOTICE ii EMC38-12 USER’S GUIDE FCC NO TICE This device complies with P art 15 of the FCC rules. Operation is subject to the following two conditions: (1) this de vice may not cause harmful interference, and (2) this device must accept any interference recei ved, including interference that may cause undesired operation. NO TE: This equipment has ...
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Cabletron Systems EMC38-12 - page 5
NOTICE EMC38-12 USER’S GUIDE iii VCCI NO TICE 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 V oluntary Control Council for Interference by Information T echnology Equipment (VCCI) aimed at prev enting radio interference in commercial an ...
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Cabletron Systems EMC38-12 - page 6
NOTICE iv EMC38-12 USER’S GUIDE CABLETRON SOFTW ARE PROGRAM LICENSE 1. LICENSE. Y ou have the right to use only the one (1) copy of the Program pro vided in this package subject to the terms and conditions of this License Agreement. Y ou may not copy , reproduce or transmit any part of the Program except as permitted by the Copyright Act of the U ...
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Cabletron Systems EMC38-12 - page 7
NOTICE EMC38-12 USER’S GUIDE v UNITED ST A TES GO VERNMENT RESTRICTED RIGHTS The enclosed product (a) was de veloped solely at priv ate 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 ...
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Cabletron Systems EMC38-12 - page 8
NOTICE vi EMC38-12 USER’S GUIDE ...
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Cabletron Systems EMC38-12 - page 9
EMC38-12 USER’S GUIDE vii TABLE OF CONTENTS T ABLE OF CONTENTS CHAPTER 1 INTRODUCTION 1.1 USING THIS MANUAL ................................................................ 1-1 1.2 GETTING HELP .......................................................................... 1-2 1.3 EMC38-12 OVERVIEW ..................................................... ...
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Cabletron Systems EMC38-12 - page 10
TABLE OF CONTENTS viii 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 ...
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Cabletron Systems EMC38-12 - page 11
EMC38-12 USER’S GUIDE Page 1-1 CHAPTER 1 INTR ODUCTION W elcome to the Cabletron Systems EMC38-12 User’s Guide . This manual explains installation instructions and pro vides specifications for the twelve port Ethernet Media Con verter (EMC). 1.1 USING THIS MANUAL Read through this manual to gain an understanding of the features and capabilitie ...
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Cabletron Systems EMC38-12 - page 12
CHAPTER 1: INTRODUCTION Page 1-2 EMC38-12 USER’S GUIDE 1.2 GETTING HELP If you need additional support related to the EMC38-12, or if you hav e any questions, comments, or suggestions concerning this manual, contact Cabletron Systems T echnical Support: By phone .......................... (603) 332-9400 Monday-Friday; 8am - 8pm EST By CompuServe ...
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EMC38-12 FEATURES EMC38-12 USER’S GUIDE Page 1-3 1.4 EMC38-12 FEATURES Automatic Transmit Port Disable The EMC38-12 automatically disables the T ransmit port when its corresponding Recei ve port does not hav e a link. Full Duplex Ethernet Support All of the EMC38-12 ports support Full Duplex Ethernet pro vided that the de vice at the other end of ...
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Cabletron Systems EMC38-12 - page 14
CHAPTER 1: INTRODUCTION Page 1-4 EMC38-12 USER’S GUIDE Environmental Requirements Operating T emperature: +5 ° to +40 ° C (41 ° to 104 ° F) Non-operating T emperature: -30 ° to +90 ° C (-22 ° to 194 ° F) Operating Humidity: 5 to 95% (non-condensing) Safety and Approvals This unit meets the safety requirements of UL 1950, CSA C22.2 NO 950, ...
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Cabletron Systems EMC38-12 - page 15
EMC38-12 USER’S GUIDE Page 2-1 CHAPTER 2 INST ALLA TION This chapter explains ho w to install the EMC38-12 in a 19-inch rack and also provides requirements for installing the EMC38-12 on a tabletop or shelf. 2.1 UNPACKING THE EMC38-12 Unpack the EMC38-12 as follo ws: 1. Remove the shipping box material covering the EMC38-12. 2. Carefully remove t ...
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Cabletron Systems EMC38-12 - page 16
CHAPTER 2: INSTALLATION Page 2-2 EMC38-12 USER’S GUIDE 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 allo w for proper cooling within the rack, there must be a two inch clearance on eit ...
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Cabletron Systems EMC38-12 - page 17
INSTALLING THE EMC38-12 EMC38-12 USER’S GUIDE Page 2-3 3. With the rack mounting brackets installed, position the EMC38-12 between the vertical frame members of the 19-inch rack and fasten it securely with the mounting screws as shown in Figure 2-2. Figure 2-2. Installing the EMC38-12 in a 19-Inch Rack 2.2.2 Free-Standing Shelf or T abletop Insta ...
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Cabletron Systems EMC38-12 - page 18
CHAPTER 2: INSTALLATION Page 2-4 EMC38-12 USER’S GUIDE 2.3 CONNECTING THE EMC38-12 TO THE POWER SOURCE Note : The EMC38-12 has a universal power supply. This allows you to connect the EMC38-12 to power sources from 100 Vac to 125 Vac, 50-60 Hz. or 200 Vac to 240 Vac, 50-60 Hz. T o connect the EMC38-12 to the po wer source: 1. Plug the power cord ...
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Cabletron Systems EMC38-12 - page 19
EMC38-12 USER’S GUIDE Page 3-1 CHAPTER 3 CONNECTING T O THE NETW ORK This chapter outlines the procedure for connecting the EMC38-12 to your network. 3.1 CONNECTING A TWISTED PAIR SEGMENT TO THE EMC38-12 The rear panel of the EMC38-12 has a 50-pin Champ connector . The configuration outlined in this section explains ho w to attach a twisted pair ...
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Cabletron Systems EMC38-12 - page 20
CHAPTER 3: CONNECTING TO THE NETWORK Page 3-2 EMC38-12 USER’S GUIDE 2. Attach the other end of the 50-pin feeder cable to the Champ connector on the 10Base-T compliant ethernet de vice. 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 follow ...
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Cabletron Systems EMC38-12 - page 21
CONNECTING A FIBER OPTIC LINK SEGMENT EMC38-12 USER’S GUIDE Page 3-3 We recommend that you label the fiber optic cable to indicate which fiber is 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 patte ...
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Cabletron Systems EMC38-12 - page 22
CHAPTER 3: CONNECTING TO THE NETWORK Page 3-4 EMC38-12 USER’S GUIDE 5. Attach the fiber labeled 2 to the receive port. 6. Check that the FOLNK LED on the ECM38-12 is on. If the LED is not on, perform the following steps until it is: a. Check that the po wer is turned on for the device at the other end of the link. b. Verify proper “receive to t ...
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Cabletron Systems EMC38-12 - page 23
EMC38-12 USER’S GUIDE Page 4-1 CHAPTER 4 USING THE LANVIEW LEDS This chapter describes ho w to use the LANVIEW Diagnostic LEDs to monitor EMC38-12 status and diagnose problems. Figure 4-1. LANVIEW LEDS 4.1 PWR (Power) • On (Green) - Indicates that the EMC38-12 is recei ving power . • Off - Indicates that the unit is not recei ving po wer . Ch ...
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Cabletron Systems EMC38-12 - page 24
CHAPTER 4: USING THE LANVIEW LEDS Page 4-2 EMC38-12 USER’S GUIDE 4.3 RCV (Receive) • On (Flashing Y ello w) - Indicates that the unit is receiving data packets from the associated fiber otic port and transmitting them to the twisted pair port. The flash of the LED is pulse stretched for vie wing effect. The LED may be on, b ut appear not to ? ...
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Cabletron Systems EMC38-12 - page 25
EMC38-12 USER’S GUIDE Page A-1 APPENDIX A CABLE REQUIREMENTS This appendix provides cable requirements for each of the EMC38-12 ports. A.1 10Base-T TWISTED PAIR REQUIREMENTS When you connect a 10Base-T twisted pair segment to the EMC38-12, the de vice at the other end of the twisted pair segment must meet IEEE 802.3 10Base-T specifications. Y ou ...
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Cabletron Systems EMC38-12 - page 26
APPENDIX A: CABLE REQUIREMENTS Page A-2 EMC38-12 USER’S GUIDE A.2 10Base-FL MULTIMODE FIBER REQUIREMENTS When you connect a 10Base-FL Multimode Fiber segment to the EMC38-12, the de vice at the other end of the fiber segment must meet IEEE 802.3j 10Base-FL specifications. Y our 10Base-FL Multimode Fiber segment must meet the follo wing requirem ...
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Cabletron Systems EMC38-12 - page 27
EMC38-12 USER’S GUIDE Page B-1 APPENDIX B TWISTED P AIR WIRING T ABLES This appendix contains twisted pair wiring tables which will assist you if you are using a Punch Do wn Block (see Figure B-1) to wire your twisted pair segments. The following tables are included in this appendix: • T able B-1 T wisted Pair W iring from an EMC38-12 to a Punc ...
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Cabletron Systems EMC38-12 - page 28
APPENDIX B: TWISTED PAIR WIRING TABLES Page B-2 EMC38-12 USER’S GUIDE 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 EMC38-12 Into and Out of 50 Pin F eeder Cable Into Punch Down Block Port 12 Pin Pin Pin TX+ 48 48 V iolet/Gre ...
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Cabletron Systems EMC38-12 - page 29
TWISTED PAIR WIRING TABLES EMC38-12 USER’S GUIDE Page B-3 Port 8 Pin Pin Pin TX+ 40 40 Black/Gray TX+ A29 Black/Gray TX+ TX- 15 15 Gray/Black TX- A30 Gray/Black TX- RX+ 41 41 Y ello w/Blue RX+ A31 Y ellow/Blue RX+ RX- 16 16 Blue/Y ellow RX- A32 Blue/Y ello w RX- Port 7 Pin Pin Pin TX+ 38 38 Black/Green TX+ A25 Black/Green TX+ TX- 13 13 Green/Blac ...
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Cabletron Systems EMC38-12 - page 30
APPENDIX B: TWISTED PAIR WIRING TABLES Page B-4 EMC38-12 USER’S GUIDE Port 4 Pin Pin Pin TX+ 32 32 Red/Orange TX+ A13 Red/Orange TX+ TX- 7 7 Orange/Red TX- A14 Orange/Red TX- RX+ 33 33 Red/Green RX+ A15 Red/Green RX+ RX- 8 8 Green/Red RX- A16 Green/Red RX Port 3 Pin Pin Pin TX+ 30 30 White/Gray TX+ A9 White/Gray TX+ TX- 5 5 Gray/White TX- A10 Gra ...
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Cabletron Systems EMC38-12 - page 31
TWISTED PAIR WIRING TABLES EMC38-12 USER’S GUIDE Page B-5 B.2 TWISTED PAIR WIRING FROM A PUNCH DOWN BLOCK TO A 10Base-T DEVICE Table B-2. Punch Down Block to a 10Base-T Device From Punch Down Block T o RJ-45 W allplate Into Office Drop Into 10Base-T Device P ort 12 Pin Pin Pin B45 V iolet/Green RX+ 3 RX+ 3 RX+ 3 RX+ B46 Green/V iolet RX- 6 RX- 6 ...
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Cabletron Systems EMC38-12 - page 32
APPENDIX B: TWISTED PAIR WIRING TABLES Page B-6 EMC38-12 USER’S GUIDE P ort 8 Pin Pin Pin B29 Black/Gray RX+ 3 RX+ 3 RX+ 3 RX+ B30 Gray/Black RX- 6 RX- 6 RX- 6 RX- B31 Y ellow/Blue TX+ 1 TX+ 1 TX+ 1 TX+ B32 Blue/Y ellow TX- 2 TX- 2 TX- 2 TX- P ort 7 Pin Pin Pin B25 Black/Green RX+ 3 RX+ 3 RX+ 3 RX+ B26 Green/Black RX- 6 RX- 6 RX- 6 RX- B27 Black/ ...
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Cabletron Systems EMC38-12 - page 33
TWISTED PAIR WIRING TABLES EMC38-12 USER’S GUIDE Page B-7 P ort 4 Pin Pin Pin B13 Red/Orange RX+ 3 RX+ 3 RX+ 3 RX+ B14 Orange/Red RX- 6 RX- 6 RX- 6 RX- B15 Red/Green TX+ 1 TX+ 1 TX+ 1 TX- B16 Green/Red TX- 2 TX- 2 TX- 2 TX- P ort 3 Pin Pin Pin B9 White/Gray RX+ 3 RX+ 3 RX+ 3 RX+ B10 Gray/White RX- 6 RX- 6 RX- 6 RX- B11 Red/Blue TX+ 11 TX+ 1 TX+ 1 ...
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Cabletron Systems EMC38-12 - page 34
APPENDIX B: TWISTED PAIR WIRING TABLES Page B-8 EMC38-12 USER’S GUIDE Figure B-1. Punch Down Block Pins 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 A B C D ...
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Cabletron Systems EMC38-12 - page 35
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 applica ...
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