Cabletron Systems Network Card EMC39 12 User Manual

EMC39-12  
12 PORT ETHERNET MEDIA CONVERTER  
USER’S GUIDE  
EMC39-12 Ethernet Media Converter WITH LANVIEW  
TPLINK  
XMT  
RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX  
RCV  
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FOLNK  
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11  
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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 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: 9031854 January 1996  
SPECTRUM, LANVIEW, MicroMMAC, and BRIM are registered trademarks and Element  
Manager, EPIM, EPIM-A, EPIM-F1, EPIM-F2, EPIM-F3, EPIM-T, EPIM-X, FOT-F, FOT-F3,  
HubSTACK, SEH, SEHI, and TMS-3 are trademarks of Cabletron Systems, Inc.  
All other product names mentioned in this manual may be trademarks or registered trademarks of  
their respective companies.  
Printed on  
Recycled Paper  
EMC39-12 User’s Guide  
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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: This equipment has been tested and found to comply with the limits for a Class A 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 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.  
iv  
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Notice  
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 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.  
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.  
3.  
OTHER RESTRICTIONS. You may not reverse engineer, decompile, or disassemble the  
Program.  
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 OF WARRANTY 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 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 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 WARRANTIES, IN SOME  
INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO  
YOU.  
EMC39-12 User’s Guide  
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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.  
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TABLE OF CONTENTS  
CHAPTER 1  
INTRODUCTION  
1.1 Using This Manual....................................................................... 1-1  
1.2 Getting Help................................................................................. 1-2  
1.3 EMC39-12 Overview ................................................................... 1-2  
1.4 EMC39-12 Features .................................................................... 1-3  
1.5 EMC39-12 Specifications ............................................................ 1-4  
CHAPTER 2  
INSTALLATION  
2.1 Unpacking the EMC39-12............................................................ 2-1  
2.2 Installing the EMC39-12 .............................................................. 2-1  
2.2.1 Rack Mounting the EMC39-12........................................ 2-2  
2.2.2 Free-Standing Shelf or Tabletop Installation .................. 2-3  
2.3 Connecting The EMC39-12 to the Power Source........................ 2-4  
CHAPTER 3  
CONNECTING TO THE NETWORK  
3.1 Connecting a Twisted Pair Segment  
To The EMC39-12....................................................................... 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 Single Mode Fiber Requirements............................A-1  
APPENDIX B TWISTED PAIR WIRING TABLES  
B.1 Twisted Pair Wiring From an EMC39-12 To a  
Punch Down Block ......................................................................B-2  
B.2 Twisted Pair Wiring From a Punch Down  
Block to a 10BASE-T Device.......................................................B-4  
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CHAPTER 1  
INTRODUCTION  
Welcome to the Cabletron Systems EMC39-12 User’s Guide. This  
manual explains installation instructions and provides specifications for  
the twelve port Ethernet Media Converter (EMC).  
1.1 USING THIS MANUAL  
Read through this manual to gain an understanding of the features and  
capabilities of the EMC39-12. You should have a general working  
knowledge of Ethernet IEEE 802.3 10BASE-T, and Ethernet IEEE 802.3j  
10BASE-FL type data communications networks and their physical layer  
components when installing the EMC39-12.  
Chapter 1, Introduction, describes EMC39-12 features and  
specifications.  
Chapter 2, Installation, describes how to install the EMC39-12 into a  
19-inch rack or as a standalone device.  
Chapter 3, Connecting to the Network, explains how to connect network  
segments to the EMC39-12.  
Chapter 4, Using the LANVIEW LEDs, describes how to use the  
EMC39-12 LEDs to monitor link and power status.  
Appendix A, Cable Requirements lists twisted pair and single mode  
cable requirements for the EMC39-12.  
Appendix B, Twisted Pair Wiring Tables, lists pinouts for the 50-pin  
twisted pair connector.  
EMC39-12 User’s Guide  
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Chapter 1: Introduction  
1.2 GETTING HELP  
If you need additional support related to the EMC39-12, or if you have  
any questions, comments, or suggestions concerning this manual, contact  
Cabletron Systems Technical Support:  
By phone  
(603) 332-9400  
Monday-Friday; 8 A.M. – 8 P.M. Eastern Time  
GO CTRON from any ! prompt  
ctron.com (134.141.197.25)  
anonymous  
By CompuServe  
By Internet mail  
By FTP  
Login  
Password  
your email address  
1.3 EMC39-12 OVERVIEW  
The EMC39-12 converts Ethernet IEEE 802.3 10BASE-T signals to  
Ethernet IEEE 802.3j 10BASE-FL signals. The rear panel has a 50-pin  
Champ connector (RJ71) that supports twelve twisted pair segments. The  
front panel has twelve 10BASE-FL single mode ST ports. Figure 1-1  
shows the EMC39-12 ports. The 10BASE-FL connectors are backward  
compatible with FOIRL connectors.  
Each of the rear panel twisted pair ports has a corresponding fiber port.  
For example: Twisted pair Port 1 converts signals to fiber optic port 1,  
twisted pair port 2 converts signals to fiber optic port 2, etc.  
Front View  
EMC39-12 Ethernet Media Converter WITH LANVIEW  
TPLINK  
XMT  
RCV  
RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX  
PWR  
FOLNK  
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EMC39-12  
Ethernet Media Converter  
12X  
1X  
Rear View  
Figure 1-1 The EMC39-12  
Page 1-2  
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EMC39-12 Features  
1.4 EMC39-12 FEATURES  
The EMC39-12 Ethernet Media Converter provides connectivity for up to  
twelve singlemode fiber optic connections. The network connection is  
made through a 50-pin connector on the rear of the unit.  
The EMC39-12 supports the following:  
Automatic Transmit Port Disable  
Full Duplex Ethernet Support  
LANVIEW Diagnostic LEDs  
Connectivity  
The following sections discuss these features.  
1.4.1 Automatic Transmit Port Disable  
The EMC39-12 automatically disables the Transmit port when its  
corresponding Receive port does not have a link.  
1.4.2 Full Duplex Ethernet Support  
All of the EMC39-12 ports support Full Duplex Ethernet provided that  
the device at the other end of the port supports Full Duplex Ethernet also.  
Full Duplex Ethernet allows the EMC39-12 to transmit and receive  
signals simultaneously for a 20 Megabit bandwidth through-put.  
1.4.3 LANVIEW Diagnostic LEDs  
Cabletron Systems equips the EMC39-12 with a visual diagnostic and  
monitoring system called LANVIEW. LANVIEW LEDs help you quickly  
identify Power and Link status. Chapter 4 describes the LEDs in detail.  
1.4.4 Connectivity  
The rear panel of the EMC39-12 has a 50-pin Champ connector (RJ71)  
that supports twelve twisted pair segments. The front panel has twelve  
10BASE-FL single mode ST ports. Each single mode ST port has a  
Receive connector and a Transmit connector.  
EMC39-12 User’s Guide  
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Chapter 1: Introduction  
1.5 EMC39-12 SPECIFICATIONS  
This section describes operating specifications for the EMC39-12.  
Cabletron Systems reserves the right to change these specifications at any  
time without notice.  
1.5.1 Physical Specifications  
Dimensions: 17" L x 9.4" W x 1.7" H  
Weight: 4 lbs.  
1.5.2 Power Requirements  
Input:  
100 to 125 Volts ac, 1.0A  
200 to 240 Volts ac, 0.5A  
50 to 60 Hz  
1.5.3 Environmental Requirements  
Operating Temperature: 5° to 40°C (41° to 104°F)  
Non-operating Temperature: -30° to 90°C (-22° to 194°F)  
Operating Humidity: 5% to 95% (non-condensing)  
1.5.4 Safety and Approvals  
This unit meets the safety requirements of UL 1950, CSA C22.2 NO 950,  
and 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  
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CHAPTER 2  
INSTALLATION  
This chapter explains how to install the EMC39-12 in a 19-inch rack and  
also provides requirements for installing the EMC39-12 on a tabletop or  
shelf.  
2.1 UNPACKING THE EMC39-12  
Unpack the EMC39-12 as follows:  
1. Remove the shipping box material covering the EMC39-12.  
2. Carefully remove the EMC39-12 from the shipping box.  
3. Remove the EMC39-12 from its non-conductive bag. If you notice any  
signs of damage, contact Cabletron Systems Technical Support  
immediately.  
2.2 INSTALLING THE EMC39-12  
Do not remove the cover from the EMC39-12. There are no  
user configurable devices inside and the electronics are static  
sensitive.  
!
CAUTION  
You can install the EMC39-12 in a 19-inch rack or place it on any  
horizontal surface (e.g. a table or shelf). Cabletron Systems provides an  
accessory kit with the EMC39-12 that includes Rackmount Brackets and  
Mounting Screws.  
The following sections provide instructions for installing the EMC39-12.  
Select one of the following subsections and perform the steps that are  
applicable to your installation needs.  
EMC39-12 User’s Guide  
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Chapter 2: Installation  
2.2.1 Rack Mounting the EMC39-12  
Before installing the EMC39-12, care must be taken to ensure that the  
rack used will support the unit and that the rack remains stable with the  
EMC39-12 installed. In order to allow for proper cooling within the rack,  
there must be a two-inch clearance on either side of the unit. Refer to  
Chapter 1, Introduction for power and environmental requirements.  
The following procedures explain how to install the EMC39-12 in a  
19-inch rack.  
1. Remove four cover screws (two from each side) located along the  
front edges of each side of the EMC39-12. Figure 2-1 shows the  
location of the screws.  
Do not remove the cover from the EMC39-12. There are no  
user configurable devices inside and the electronics are  
static sensitive.  
2. Using the four cover screws removed in step 1, attach the rack  
mounting brackets to each end of the EMC39-12.  
Rack Mounting  
Brackets (2)  
EMC39-12 Ethernet Media Converter WITH LANVIEW  
TPLINK  
XMT  
RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX  
RCV  
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Screws (4)  
Figure 2-1 Installing the Rackmount Brackets  
Page 2-2  
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Installing The EMC39-12  
3. With the rack mounting brackets installed, position the EMC39-12  
between the vertical frame members of the 19-inch rack and fasten it  
securely with the mounting screws as shown in Figure 2-2.  
19-Inch Rack  
EMC39-12 Ethernet Media Converter WITH LANVIEW  
TPLINK  
XMT  
RCV  
RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX  
PWR  
FOLNK  
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Screws (4)  
Figure 2-2 Installing the EMC39-12 in a 19-Inch Rack  
2.2.2 Free-Standing Shelf or Tabletop Installation  
Figure 2-3 shows the surface requirements for installing the EMC39-12  
on a shelf or tabletop. Shelving units must support 30 pounds of static  
weight. Before you install the EMC39-12, ensure the power source and  
environmental conditions meet the requirements specified in Chapter 1,  
Introduction.  
21 IN.  
18 IN.  
EMC39-12 Ethernet Media Converter WITH LANVIEW  
TPLINK  
XMT  
RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX  
RCV  
6 IN.  
PWR  
FOLNK  
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7 FT.  
Figure 2-3 Shelf or Tabletop Installation  
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Chapter 2: Installation  
2.3 CONNECTING THE EMC39-12 TO THE POWER  
SOURCE  
The EMC39-12 has a universal power supply. This allows you to  
connect the EMC39-12 to power sources from 100 Vac to 125 Vac,  
50-60 Hz or 200 Vac to 240 Vac, 50-60 Hz  
NOTE  
To connect the EMC39-12 to the power source:  
1. Plug the power cord into the back panel of the EMC39-12.  
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 EMC39-12 is  
receiving power.  
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CHAPTER 3  
CONNECTING TO THE NETWORK  
This chapter outlines the procedure for connecting the EMC39-12 to your  
network.  
3.1 CONNECTING A TWISTED PAIR SEGMENT  
TO THE EMC39-12  
The rear panel of the EMC39-12 has a 50-pin Champ connector. The  
configuration outlined in this section explains how to attach a twisted pair  
cable to the EMC39-12 and to a 10BASE-T compliant Ethernet device  
that has a 50-pin Champ connector (e.g. Cabletron Systems’ ELM or  
TPRMIM).  
You can also run a 50-pin feeder cable from the EMC39-12 to a punch  
down block. The Champ connector supports twelve 10BASE-T, twisted  
pair segments.  
Refer to Appendix B for information about wiring the  
EMC39-12 to a punch down block.  
NOTE  
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Chapter 3: Connecting To The Network  
To connect the EMC39-12 to a 10BASE-T compliant Ethernet device:  
1. Attach a 50-pin feeder cable to the Champ connector on the  
EMC39-12 as shown in Figure 3-1.  
EMC39-12 Ethernet Media Converter WITH LANVIEW  
12X  
1X  
Figure 3-1 EMC39-12  
2. Attach the other end of the 50-pin feeder cable to the Champ connector  
on the 10BASE-T compliant Ethernet device.  
3. Check that the link LED on the 10BASE-T ethernet device and the  
applicable TPLNK LED on the EMC39-12 are on. If the LEDs are not  
on, perform each of the following steps until the LEDs are on:  
a. Check that the 10BASE-T device and the EMC39-12 have power.  
b. Verify the cabling between the EMC39-12 and the 10BASE-T  
device.  
c. Check the cable for continuity.  
If a link has not been established, contact Cabletron Systems Technical  
Support.  
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Connecting A Fiber Optic Link Segment  
3.2 CONNECTING A FIBER OPTIC LINK SEGMENT  
When connecting a fiber optic link segment to the EMC39-12 keep the  
following in mind:  
ST connectors attach to ST ports much like BNC connectors  
attach to BNC ports. Insert the connector into the port with the  
alignment key on the connector inserted into the alignment slot on  
the port. The connector is then turned to lock it down.  
The physical communication link consists of two strands of fiber  
optic cabling: the Transmit (TX) and the Receive (RX). The  
transmit strand from the applicable port on the module will be  
connected to the Receive port of a fiber optic Ethernet device at the  
other end of the segment. For example, TX of the applicable port  
on the module will go to RX of the other fiber optic device. The  
Receive strand of the applicable port on the module will be  
connected to the Transmit port of the fiber optic Ethernet device.  
For example, RX of the applicable port on the module will go to  
TX of the other fiber optic device.  
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  
pattern is repeated at the other end of the cable. If you did not purchase  
your cable from Cabletron Systems, be sure you label your cable as  
described above.  
Do not touch the ends of the fiber optic strands, and do not let  
the ends come in contact with dust, dirt, or other contaminants.  
!
CAUTION  
Contamination of the ends can cause problems in data  
transmissions. If the ends become contaminated, clean them  
with alcohol using a soft, clean, lint free cloth.  
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Chapter 3: Connecting To The Network  
To connect a fiber optic link segment to the EMC39-12, perform the  
following steps:  
1. Remove the protective plastic covers from the fiber optic ports on the  
applicable port on the module and from the ends of the connectors on  
each fiber strand.  
2. Attach the fiber labeled 1 to the applicable Receive port, labeled RX,  
on the module. See Figure 3-2.  
EMC39-12 Ethernet Media Converter WITH LANVIEW  
TPLINK  
XMT  
RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX  
RCV  
PWR  
FOLNK  
12 11 10  
9
8
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3
2
1
11  
8
7
2
1
12  
10  
9
6
5
4
3
Figure 3-2 Connecting a Fiber Link to the EMC39-12  
3. Attach the fiber labeled 2 to the applicable Transmit port labeled TX,  
on the module.  
4. At the other end of the fiber optic cable, attach the fiber labeled 1 to  
the Transmit port of the device.  
5. Attach the fiber labeled 2 to the Receive port.  
6. Check that the FOLNK LED on the ECM39-12 is on. If the LED is  
not on, perform the following steps until it is:  
a. Check that the power is turned on for the device at the other end of  
the link.  
b. Verify proper “receive to transmit” connection of fiber strands  
between the applicable port on the module and the fiber optic  
device at the other end of the fiber optic link segment.  
c. Verify that the fiber connection meets the dB loss specifications  
outlined in Appendix A.  
If a link still has not been established, contact Cabletron Systems  
Technical Support.  
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Finishing The Installation  
3.3 FINISHING THE INSTALLATION  
The EMC39-12 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 EMC39-12 and all stations are indicating  
normal operation. Ensure that the networking software is configured  
properly to match the installed network. If you encounter errors or  
abnormal operation, contact Cabletron Systems Technical Support.  
EMC39-12 User’s Guide  
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CHAPTER 4  
USING THE LANVIEW LEDS  
This chapter describes how to use the LANVIEW Diagnostic LEDs to  
monitor EMC39-12 status and diagnose problems.  
EMC39-12  
TPLINK  
XMT  
RCV  
PWR  
FOLNK  
12 11 10 9 8 7 6 5 4 3 2 1  
Figure 4-1 LANVIEW LEDs  
4.1 PWR (Power)  
On (Green) - Indicates that the EMC39-12 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.  
4.2 XMT (Transmit)  
On (Flashing Green) - Indicates that the unit is transmitting data  
packets from the twisted pair port to the fiber optic port. The flash  
of the LED is pulse stretched for viewing effect. The LED could  
be on solid because of this viewing effect.  
Off - No activity  
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Chapter 4: Using The Lanview LEDs  
4.3 RCV (Receive)  
On (Flashing Yellow) - Indicates that the unit is receiving data  
packets from the associated fiber optic port and transmitting them  
to the twisted pair port. The flash of the LED is pulse stretched for  
viewing effect. The LED may be on, but appear not to flash  
because of the pulse stretched viewing effect.  
Off - No activity  
4.4 TPLNK (Twisted Pair Link)  
On (Green) - Indicates an established link between the associated  
twisted pair segment and the 10BASE-T 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  
4.5 FOLNK (Fiber Optic Link)  
On (Green) - Indicates an established link between the associated  
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  
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APPENDIX A  
CABLE REQUIREMENTS  
This appendix provides cable requirements for each of the EMC39-12  
ports.  
A.1 10BASE-T TWISTED PAIR REQUIREMENTS  
When you connect a 10BASE-T twisted pair segment to the EMC39-12,  
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.  
Segment Length  
The IEEE 802.3 10BASE-T standard requires that 10BASE-T devices  
must be able to transmit from 0 to at least 100 meters (328 feet) per  
segment of 24-gauge unshielded twisted pair (UTP) cable.  
Insertion Loss  
The maximum insertion loss allowed for a 10BASE-T segment is 11.5 db  
at all frequencies between 5.0 and 10.0 MHz. This includes the  
attenuation of the cable, connectors, and patch panel.  
Impedance  
10BASE-T specifies cable impedance between 85 and 110 ohms.  
A.2 SINGLE MODE FIBER OPTIC NETWORK  
When connecting a single mode fiber optic link segment to a hub, ensure  
the network meets the following requirements:  
Cable Type  
Fiber optic link segments should consist of 8/125 to 12/125 µm single  
mode fiber optic cabling. You can also use 62.5/125 µm multimode cable  
however, multimode cable allows for greater optical loss, and limits the  
possible distance to 2 km.  
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Appendix A: Cable Requirements  
Attenuation  
You must test the fiber optic cable with a fiber optic attenuation test set  
adjusted for a 1300 nm wavelength. This test verifies that the signal loss  
in a cable falls within the acceptable level of 10.0 dB or less for any given  
single mode fiber optic link.  
Budget and Propagation Delay  
When you determine a maximum fiber optic cable length, you must  
calculate and consider the fiber optic budget (a total loss of 10.0 dB or  
less between stations) and total network propagation delay.  
To determine the fiber optic budget, combine the optical loss due to the  
fiber optic cable, in-line splices, and fiber optic connectors. Typical loss  
for a splice and connector (together) equals 1 dB or less.  
Network propagation delay is the amount of time it takes a packet to  
travel from the sending device to the receiving device. Total propagation  
delay for the entire network must not exceed 25.6 µs in one direction  
(51.2 µs round trip). If the total propagation delay exceeds 25.6 µs, you  
must use bridges or switches to re-time the signal.  
Length  
If you meet all system budgets, the fiber optic ports will drive the signal a  
minimum distance of 5 km and comply with the IEEE 802.3 10BASE-FL  
specification.  
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APPENDIX B  
TWISTED PAIR WIRING TABLES  
This appendix contains twisted pair wiring tables which will assist you if  
you are using a 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 EMC39-12 to a Punch  
Down Block  
Table B-2 Twisted Pair Wiring from a Punch Down Block to a  
10Base-T Device  
B.1 TWISTED PAIR WIRING FROM AN EMC39-12 TO A  
PUNCH DOWN BLOCK  
Pins 25 and 50 on the Champ connector are not used.  
NOTE  
.
Table B-1 EMC39-12 to a Punch Down Block  
Fr om  
EMC39-12  
In to a n d Ou t of 50  
P in Feed er Ca ble  
In to P u n ch Dow n  
Block  
Port 12  
Pin  
Pin  
Pin  
TX+ 48  
TX-23  
RX+49  
RX-24  
48 Violet/GreenTX+  
23 Green/VioletTX-  
49 Violet/BrownRX+  
24 Brown/VioletRX-  
A45 Violet/Green TX+  
A46 Green/Violet TX-  
A47 Violet/Brown RX+  
A48 Brown/Violet RX-  
Port 11  
Pin  
Pin  
Pin  
TX+46  
46 Violet/BlueTX+  
A41 Violet/Blue TX+  
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Appendix B: Twisted Pair Wiring Tables  
Table B-1 EMC39-12 to a Punch Down Block (Continued)  
Fr om  
EMC39-12  
In to a n d Ou t of 50  
P in Feed er Ca ble  
21 Blue/VioletTX-  
In to P u n ch Dow n  
Block  
A42 Blue/Violet TX-  
A43 Violet/Orange RX+  
A44 Orange/Violet RX-  
TX-21  
RX+47  
47 Violet/OrangeRX+  
22 Orange/VioletRX-  
RX-22  
Port 10  
Pin  
Pin  
Pin  
TX+44  
TX-19  
RX+45  
RX-20  
44 Yellow/Brown TX+  
19 Brown/Yellow TX-  
45 Yellow/Gray RX+  
20 Gray/Yellow RX-  
A37 Yellow/Brown TX+  
A38 Brown/Yellow TX-  
A39 Yellow/Gray RX+  
A40 Gray/Yellow RX-  
Port 9  
Pin  
Pin  
Pin  
TX+42  
TX-17  
RX+43  
42 Yellow/Orange TX+  
17 Orange/Yellow TX-  
43 Yellow/Green RX+  
A33 Yellow/Orange TX+  
A34 Orange/Yellow TX-  
A35 Yellow/Green RX+  
A36 Green/Yellow RX-  
RX-18  
18 Green/Yellow RX-  
Port 8  
Pin  
Pin  
Pin  
TX+40  
TX-15  
RX+41  
RX-16  
40 Black/GrayTX+  
15 Gray/BlackTX-  
41 Yellow/Blue RX+  
16 Blue/YellowRX-  
A29 Black/GrayTX+  
A30 Gray/BlackTX-  
A31 Yellow/BlueRX+  
A32 Blue/YellowRX-  
Port 7  
Pin  
Pin  
Pin  
TX+38  
TX-13  
RX+39  
RX-14  
38 Black/GreenTX+  
13 Green/BlackTX-  
39 Black/BrownRX+  
14 Brown/BlackRX-  
A25 Black/GreenTX+  
A26 Green/BlackTX-  
A27 Black/BrownRX+  
A28 Brown/BlackRX-  
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Twisted Pair Wiring From An EMC39-12 To a Punch Down Block  
Table B-1 EMC39-12 to a Punch Down Block (Continued)  
Fr om  
EMC39-12  
In to a n d Ou t of 50  
P in Feed er Ca ble  
In to P u n ch Dow n  
Block  
Port 6  
Pin  
Pin  
Pin  
TX+36  
TX-11  
RX+37  
RX-12  
36 Black/BlueTX+  
11 Blue/Black TX-  
37 Black/OrangeRX+  
12 Orange/BlackRX-  
A21 Black/BlueTX+  
A22 Blue/BlackTX-  
A23 Black/OrangeRX+  
A24 Orange/BlackRX-  
Port 5  
Pin  
Pin  
Pin  
TX+34  
TX-9  
34 Red/BrownTX+  
A17 Red/BrownTX+  
A18 Brown/RedTX-  
A19 Red/GrayRX+  
A20 Gray/RedRX-  
9
Brown/RedTX-  
RX+35  
35 Red/GrayRX+  
RX-10  
Port 4  
10 Gray/RedRX-  
Pin  
Pin  
Pin  
TX+32  
TX-7  
32 Red/OrangeTX+  
A13 Red/OrangeTX+  
A14 Orange/RedTX-  
A15 Red/GreenRX+  
A16 Green/RedRX  
7
Orange/RedTX-  
RX+33  
RX-8  
33 Red/GreenRX+  
8
Green/RedRX-  
Port 3  
Pin  
Pin  
Pin  
TX+30  
TX-5  
30 White/GrayTX+  
Gray/WhiteTX-  
31 Red/BlueRX+  
Blue/RedRX-  
A9 White/Gray TX+  
A10 Gray/WhiteTX-  
A11 Red/BlueRX+  
A12 Blue/RedRX-  
5
RX+31  
RX- 6  
6
Port 2  
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Appendix B: Twisted Pair Wiring Tables  
Table B-1 EMC39-12 to a Punch Down Block (Continued)  
Fr om  
EMC39-12  
Pin  
In to a n d Ou t of 50  
P in Feed er Ca ble  
Pin  
In to P u n ch Dow n  
Block  
Pin  
TX+28  
TX-3  
28 White/GreenTX+  
A5 White/GreenTX+  
A6 Green/WhiteTX-  
A7 White/BrownRX+  
A8 Brown/WhiteRX-  
3
Green/WhiteTX-  
RX+ 29  
RX- 4  
29 White/BrownRX+  
4
Brown/WhiteRX-  
Port 1  
Pin  
Pin  
Pin  
TX+26  
TX-1  
26 White/BlueTX+  
Blue/WhiteTX-  
27 White/OrangeRX+  
Orange/WhiteRX-  
A1 White/BlueTX+  
A2 Blue/WhiteTX-  
A3 White/OrangeRX+  
A4 Orange/WhiteRX-  
1
RX+27  
RX-2  
2
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  
Fr om P u n ch Dow n  
Block  
To RJ 45  
Wa llp la te Office  
Dr op  
In to  
In to  
10BASE-T  
Device  
Port 12  
Pin  
3
Pin  
3
Pin  
B45 Violet/GreenRX+  
B46 Green/VioletRX-  
B47 Violet/BrownTX+  
B48 Brown/VioletTX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
3
6
1
2
RX+  
RX-  
TX+  
TX-  
6
6
1
1
2
2
Port 11  
Pin  
3
Pin  
3
Pin  
3
B41 Violet/BlueRX+  
B42 Blue/VioletRX-  
RX+  
RX-  
RX+  
RX-  
RX+  
RX-  
6
6
6
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TWISTED PAIR WIRING FROM A PUNCH DOWN bLOCK TO A  
Table B-2 Punch Down Block to a 10BASE-T Device (Continued)  
Fr om P u n ch Dow n  
Block  
To RJ 45  
Wa llp la te Office  
Dr op  
In to  
In to  
10BASE-T  
Device  
B43 Violet/OrangeTX+  
B44 Orange/VioletTX-  
1
2
TX+  
TX-  
1
2
TX+  
TX-  
1
2
TX+  
TX-  
Port 10  
Pin  
3
Pin  
3
Pin  
3
B37 Yellow/BrownRX+  
B38 Brown/YellowRX-  
B39 Yellow/GrayTX+  
B40 Gray/YellowTX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
6
6
6
1
1
1
2
2
2
Port 9  
Pin  
3
Pin  
3
Pin  
3
B33 Yellow/OrangeRX+  
B34 Orange/YellowRX-  
B35 Yellow/GreenTX+  
B36 Green/YellowTX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
6
6
6
1
1
1
2
2
2
Port 8  
Pin  
3
Pin  
3
Pin  
3
B29 Black/GrayRX+  
B30 Gray/BlackRX-  
B31 Yellow/Blue TX+  
B32 Blue/YellowTX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
6
6
6
1
1
1
2
2
2
Port 7  
Pin  
3
Pin  
3
Pin  
3
B25 Black/GreenRX+  
B26 Green/BlackRX-  
B27 Black/BrownTX+  
RX+  
RX-  
TX+  
RX+  
RX-  
TX+  
RX+  
RX-  
TX+  
6
6
6
1
1
1
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Appendix B: Twisted Pair Wiring Tables  
Table B-2 Punch Down Block to a 10BASE-T Device (Continued)  
Fr om P u n ch Dow n  
Block  
To RJ 45  
Wa llp la te Office  
Dr op  
In to  
In to  
10BASE-T  
Device  
B28 Brown/BlackTX-  
2
TX-  
2
TX-  
2
TX-  
Port 6  
Pin  
3
Pin  
3
Pin  
3
B21 Black/BlueRX+  
B22 Blue/Black RX-  
B23 Black/OrangeTX+  
B24 Orange/Black TX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
6
6
6
1
1
1
2
2
2
Port 5  
Pin  
3
Pin  
3
Pin  
3
B17 Red/BrownRX+  
B18 Brown/RedRX-  
B19 Red/GrayTX+  
B20 Gray/RedTX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
6
6
6
1
1
1
2
2
2
Port 4  
Pin  
3
Pin  
3
Pin  
3
B13 Red/OrangeRX+  
B14 Orange/RedRX-  
B15 Red/GreenTX+  
B16 Green/RedTX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX-  
TX-  
6
6
6
1
1
1
2
2
2
Port 3  
Pin  
3
Pin  
3
Pin  
3
B9 White/GrayRX+  
B10 Gray/WhiteRX-  
B11 Red/BlueTX+  
B12 Blue/RedTX-  
RX+  
RX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
6
6
6
11 TX+  
TX-  
1
1
2
2
2
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TWISTED PAIR WIRING FROM A PUNCH DOWN bLOCK TO A  
Table B-2 Punch Down Block to a 10BASE-T Device (Continued)  
Fr om P u n ch Dow n  
Block  
To RJ 45  
Wa llp la te Office  
Dr op  
In to  
In to  
10BASE-T  
Device  
Port 2  
Pin  
3
Pin  
3
Pin  
B5 White/GreenRX+  
B6 Green/WhiteRX-  
B7 White/BrownTX+  
B8 Brown/WhiteTX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
3
6
1
2
RX+  
RX-  
TX+  
TX-  
6
6
1
1
2
2
Port 1  
Pin  
3
Pin  
3
Pin  
3
B1 White/BlueRX+  
B2 Blue/WhiteRX-  
B3 White/OrangeTX+  
B4 Orange/WhiteTX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
RX+  
RX-  
TX+  
TX-  
6
6
6
1
1
1
2
2
2
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Appendix B: Twisted Pair Wiring Tables  
A
B
C
D
1
2
3
4
5
6
7
8
9
1 0  
1 1  
1 2  
1 3  
1 4  
1 5  
1 6  
1 7  
1 8  
1 9  
2 0  
2 1  
2 2  
2 3  
2 4  
2 5  
2 6  
2 7  
2 8  
2 9  
3 0  
3 1  
3 2  
3 3  
3 4  
3 5  
3 6  
3 7  
3 8  
3 9  
4 0  
4 1  
4 2  
4 3  
4 4  
4 5  
4 6  
4 7  
4 8  
4 9  
5 0  
Figure B-1 Punch Down Block Pins  
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POWER SUPPLY CORD  
The main 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 main 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.  
GERMAN:  
Die Netzleitung, die mit diesem Geraet benuetzt wird, soll einen zwei Leiter mit  
Erdleiter haben, wobei die Leiter mindestens 0.75 mm sind, mit einer normalen  
IEC Geraetesteckdose an einem Ende und einem Geraetestecker am anderen Ende  
versehen sind, der fuer den Gebrauch und die Anwendung des Geraetes geeignet  
und der zum Benuetzen im Lande der Anwendung anerkannt ist.  
SPANISH:  
El cable principal de la red eléctrica utilizado con este equipo debe tener 2  
conductores y 1 toma de tierra con un mínimo de 0.75 mm2 cada uno y necesita  
tener un aparato de acoplamiento standard IEC en un extremo y un enchufe para  
el cable principal de la red eléctrica en el otro extremo, lo cual sea adecuado para  
el uso y applicación del producto y lo cual sea aprobado para uso en el pais de  
applicación.  
FRENCH:  
Le cordon d' alimentation reliant cet appareil au secteur doit obligatoirement avoir  
deux fils conducteurs de 0.75 mm2 minimum et un fil de terre. It doit également  
être équipé du côté appareil d'une fiche agrée IEC et du côte secteur, d'une prise  
adaptée à l'usage du produit et aux normes du pays où l'appareil est utilisé.  
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