Avaya Ethernet Link Modules in BN Platforms User's Manual
Contents
1. En XC En XE i Ne De LS 1 SRM L modules QMCO008A Figure 1 1 Link Module Slots in a BLN Platform Captive screws EW ER NOS B Dp ONE m XO um ONCE ows module C ds ds O ED Se 3 slots EE a oh ON um ve EN XG1 SRM L 65559 9 c X 96 o 9 vo 9 9 0 boo00000000 0000000000 see see EEE ET y SODODODODO eS 0000000000 e b QMC0009A Figure 1 2 Link Module Slots in a BLN 2 Platform 1 2 114946 A Rev A Preparing for Installation Link module slots er r x o8 14 13 12 11 10 9 858817654321 o o QMC0012A Figure 1 3 Link Module Slots in a BCN Platform Removing a Link Module If there are no empty slots in your BN platform you must remove a link module to install the Ethernet link module When replacing a configured link module you must delete all configured circuits ports from the slot so the BN platform software can properly configure the new link module Refer to Configuring Routers if you use router software or Administration Guide if you use BayStream software for instructions on editing a configuration file and deleting circuits 114946 A Rev A 1 3 Installing Ethernet Link2. Installing Ethernet Link Modules in BN Platforms Part No 114946 A Rev A January 1997 mn Bay Networks Bay Networks 4401 Great America Parkway 8 Federal Street Santa Clara CA 95054 Billerica MA 01821 Copyright 1988 1997 Bay Networks Inc All rights reserved Printed in the USA January 1997 The information in this document is subject to change without notice The statements configurations technical data and recommendations in this document are believed to be accurate and reliable but are presented without express or implied warranty Users must take full responsibility for their applications of any products specified in this document The information in this document is proprietary to Bay Networks Inc The software described in this document is furnished under a license agreement and may only be used in accordance with the terms of that license A summary of the Software License is included in this document Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 Notice for All Other Executive Agencies Notwithstanding any other license agreement that may pertain to or accompany the delivery of this computer software the rights of the United States Government regarding its use reproduction and disclosure are as set forth in t
3. Note This is Bay Networks basic license document In the absence of a software license agreement specifying varying terms this license or the license included with the particular product shall govern licensee s use of Bay Networks software This Software License shall govern the licensing of all software provided to licensee by Bay Networks Software Bay Networks will provide licensee with Software in machine readable form and related documentation Documentation The Software provided under this license is proprietary to Bay Networks and to third parties from whom Bay Networks has acquired license rights Bay Networks will not grant any Software license whatsoever either explicitly or implicitly except by acceptance of an order for either Software or for a Bay Networks product Equipment that is packaged with Software Each such license is subject to the following restrictions 1 Upon delivery of the Software Bay Networks grants to licensee a personal nontransferable nonexclusive license to use the Software with the Equipment with which or for which it was originally acquired including use at any of licensee s facilities to which the Equipment may be transferred for the useful life of the Equipment unless earlier terminated by default or cancellation Use of the Software shall be limited to such Equipment and to such facility Software which is licensed for use on hardware not offered by Bay Networks is not sub
4. combines and organizes support files and documentation from across the Bay Networks product suite including switching products from our Centillion and Xylogics business units Central management and sponsorship of this FTP site lets you quickly locate information on any of your Bay Networks products 114946 A Rev A xix Installing Ethernet Link Modules in BN Platforms Support Source CD This CD ROM sent quarterly to all contracted customers is a complete Bay Networks Service troubleshooting knowledge database with an intelligent text search engine The Support Source CD contains extracts from our problem tracking database information from the Bay Networks Forum on CompuServe comprehensive technical documentation such as Customer Support Bulletins Release Notes software patches and fixes and complete information on all Bay Networks Service programs You can run a single version on Macintosh Windows 3 1 Windows 95 Windows NT DOS or UNIX computing platforms A Web links feature enables you to go directly from the CD to various Bay Networks Web pages CompuServe For assistance with noncritical network support issues Bay Networks Information Services maintain an active forum on CompusServe a global bulletin board system This forum provides file services technology conferences and a message section to get assistance from other users The message section is monitored by Bay Networks engineers who provide as
5. or electrician as appropriate Notes explicatives du minist re des Communications limites visant les accessoires L tiquette du minist re des Communications du Canada indique que l appareillage est certifi c est dire qu il respecte certaines exigences de s curit et de fonctionnement visant les r seaux de t l communications Le minist re ne garantit pas que l appareillage fonctionnera la satisfaction de l utilisateur Avant d installer l appareillage s assurer qu il peut tre branch aux installations du service de t l communications local L appareillage doit aussi tre raccord selon des m thodes accept es Dans certains cas le c blage interne du service de t l communications utilis pour une ligne individuelle peut tre allong au moyen d un connecteur certifi prolongateur t l phonique Le client doit toutefois prendre note qu une telle installation n assure pas un service parfait en tout temps Les r parations de l appareillage certifi devraient tre confi es un service d entretien canadien d sign par le fournisseur En cas de r paration ou de modification effectu es par l utilisateur ou de mauvais fonctionnement de l appareillage le service de t l communications peut demander le d branchment de appareillage Pour leur propre s curit les utilisateurs devraient s assurer que les mises la terre des lignes de distribution d lectricit des lignes t l phoniques et de la tuy
6. tre branch aux installations du service de t l communications local L appareillage doit aussi tre raccord selon des m thodes accept es Dans certains cas le c blage interne du service de t l communications utilis pour une ligne individuelle peut tre allong au moyen d un connecteur certifi prolongateur t l phonique Le client doit toutefois prendre note qu une telle installation n assure pas un service parfait en tout temps Les r parations de l appareillage certifi devraient tre confi es un service d entretien canadien d sign par le fournisseur En cas de r paration ou de modification effectu es par l utilisateur ou de mauvais fonctionnement de l appareillage le service de t l communications peut demander le d branchment de appareillage Pour leur propre s curit les utilisateurs devraient s assurer que les mises la terre des lignes de distribution d lectricit des lignes t l phoniques et de la tuyauterie m tallique interne sont raccord es ensemble Cette mesure de s curit est particuli rement importante en milieu rural Attention Les utilisateurs ne doivent pas proc der ces raccordements eux m mes mais doivent plut t faire appel aux pouvoirs de r glementation en cause ou un lectricien selon le cas 114946 A Rev A iii Canada Requirements Only continued D O C Explanatory Notes Equipment Attachment Limitations The Canadian Department of Communications
7. Modules in BN Platforms The Backbone Node hot swap feature allows you to remove or replace a link module with the chassis power on or off AN Danger Do not remove more than two adjacent modules with the power on When you remove a link module with the power on the services that slot provides become disrupted After the slot fails to receive packets the other link modules in the chassis resynchronize their routing tables and continue uninterrupted The procedure for removing a link module is the same for the BLN BLN 2 and BCN platforms 1 Disconnect any exterior cables from the link module 2 Attach an antistatic wrist strap BN platforms and link modules ship with an antistatic wrist strap You must wear one of these straps when accessing components on BN platforms The antistatic wrist strap directs the discharge of static electricity from your body to the chassis thereby avoiding discharge and possible damage to sensitive electronic components Caution Electrostatic discharge can damage hardware Always use the antistatic wrist strap when handling any component on your BN platform 3 Loosen the captive screw on each end of the module 4 Grasp the sides of the module and pull it out of the slot 5 Place the module in an antistatic protective bag 1 4 114946 A Rev A Chapter 2 Installing the Link Module Complete the steps in this chapter to install the Ethernet link module in your BLN BLN 2 or BCN
8. Platforms v NS Nb amp NINO e 00000000 N Nds NS NZ A ER EEE RS vo vo a Q C2220000 K e SAlooooo00 J T v Q l NS 00000000 R C2200000 K gt 00000000 A 0000000 ooo0ooo9 S 0000000 QN I T I o e VNC NS e 00000000 NAQ 00000900 S Qoo0oo09 A o S ooooooo A ENT0002A Figure 3 1 Ethernet LEDs Table 3 1 Functions of the Ethernet LEDs LED Function COL Indicates a collision detection RCVR RCVR1 or RCVR2 Indicates that the respective port is receiving data XCVR1 or XCVR2 Indicates the presence of Ethernet traffic either transmitting or receiving on the respective port XMT Indicates that the respective port is transmitting data FAIL Indicates one of the following Diagnostic testing is in progress Diagnostic testing occurs when you cold start the module You cold start the module when you cycle power issue the diags command from the Technician Interface or hot swap the link module This LED blinks three times and goes out when the diagnostic testing terminates successfully Power up diagnostic testing failed and the link module is waiting for an automatic attempt to reinitiate diagnostic testing If the FAIL LED turns on again call the Bay Networks Technical Response Center Alink module hardware problem exists and the link module is waiting for an automatic
9. country How to Get Help Use the following numbers to reach your Bay Networks Technical Response Center Technical Response Center Telephone Number Fax Number Billerica MA 1 800 2LANWAN 508 670 8765 Santa Clara CA 1 800 2LANWAN 408 764 1188 Valbonne France 33 92 968 968 Sydney Australia 612 9927 8800 612 9927 8811 Tokyo Japan 81 3 5402 0180 33 92 966 998 81 3 5402 0173 114946 A Rev A xxi Chapter 1 Preparing for Installation Note In this guide the term Ethernet includes 100Base T Ethernet and Dual Ethernet High Speed Filters link modules unless referring to a specific model Depending on your configuration complete these preliminary tasks as needed to install the link module Choose a slot Remove a link module Changing a jumper on any of these link modules can jeopardize module functioning Note There are no user configurable jumpers on Ethernet link modules gt Choosing a Slot You can install the Ethernet link module in e Slots 2 through 5 in the BLN platform Figure 1 1 e Slots 2 through 5 in the BLN 2 platform Figure 1 2 e Slots 1 through 6 and Slots 8 through 14 in the BCN platform Figure 1 3 114946 A Rev A 14 Installing Ethernet Link Modules in BN Platforms Captive screws 100 240V 10 04 50 60Hz NE OEA XG5 ER NO u AN 3 2
10. label identifies certified equipment This certification meets certain telecommunication network protective operational and safety requirements The department does not guarantee the equipment will operate to the users satisfaction Before installing the equipment users should ensure that it is permissible to be connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the company s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone extension cord The customer should be aware that compliance with the above condition may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Caution Users should not attempt to make such connections themselves but should contact the appropriate electrical inspection authority
11. software were developed by the University of California Berkeley The name of the University may not be used to endorse or promote products derived from such portions of the software without specific prior written permission SUCH PORTIONS OF THE SOFTWARE ARE PROVIDED AS IS AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE In addition the program and information contained herein are licensed only pursuant to a license agreement that contains restrictions on use and disclosure that may incorporate by reference certain limitations and notices imposed by third parties ii 114946 A Rev A Electromagnetic Emissions Meets requirements of FCC Part 15 Class A EN 55 022 CISPR 22 1985 Class A and Class B VCCI Class 1 ITE Canada Requirements Only Canada CS 03 Rules and Regulations Note The Canadian Department of Communications label identifies certified equipment The certification means that the equipment meets certain telecommunications network protective operations and safety requirements The Department does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permissible to be connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In
12. tabo enn 3 2 Figure 3 2 Dual 100Base T Ethernet LEDS aan bead Ea 3 3 114946 A Rev A xi Tables Table 3 1 Functions of the Ethernet LEDS a sa E intranet 3 2 Table 3 2 Functions of the Dual 100Base T Ethernet LEDs 3 3 114946 A Rev A xiii About This Guide Read this guide if you are responsible for installing a Bay Networks Dual or Quad Ethernet Dual Ethernet High Speed Filters or Dual 100Base T Ethernet link module in these Backbone Node BN9 platforms e Backbone Link Node BLN e Backbone Link Node 2 BLN 2 e Backbone Concentrator Node BCN This guide describes how to e Prepare for installation e Install the link module e Interpret the LEDs on the link module Note Experienced network operators can safely perform the user serviceable procedures described in this book however only authorized Bay Networks service technicians can perform other maintenance procedures not described in this book 114946 A Rev A XV Installing Ethernet Link Modules in BN Platforms Conventions bold text Indicates text that you need to enter and command names in text Example Use the dinfo command italic text Indicates variable values in command syntax descriptions new terms file and directory names and book titles quotation marks Indicate the title of a chapter or section within a book Acronyms ILI Intelligent Link Interface LED light emitting diode Ord
13. attempt to reinitiate diagnostic testing If the FAIL LED turns on again call the Bay Networks Technical Response Center 114946 A Rev A Checking Status Indicators Dual 100Base T Ethernet Link Module LEDs Figure 3 2 shows the LEDs on the Dual 100Base T Ethernet link module and Table 3 2 describes those LED functions MI 2 MII 1 O LNK COL RX N 7 eL E REIS mung on mana SES A D DPX TX MIDI 2 EN0003A Figure 3 2 Dual 100Base T Ethernet LEDs Table 3 2 Functions of the Dual 100Base T Ethernet LEDs LED Function COL Indicates that the port has either detected an Ethernet wire collision in Simplex mode or is transmit congested in Duplex mode LNK Indicates that the port has established a valid link with another node or repeater in 10 MB mode TX and RX Indicate when the port is transmitting and receiving data SPD Remains lit when the port is in 100 MB mode The SPD LED does not light when the port is in 10 MB mode DPX Indicates that the port is in Duplex mode and is sending and receiving FAIL Lights during powerup and may flash during diagnostic testing This LED turns off after the diagnostics complete successfully and the BN platform boots It remains lit if the link module or any connector on the link module fails diagnostics In this case the DIAG LED on the BN front panel will also be on and you should
14. auterie m tallique interne sont raccord es ensemble Cette mesure de s curit est particuli rement importante en milieu rural Attention Les utilisateurs ne doivent pas proc der ces raccordements eux m mes mais doivent plut t faire appel aux pouvoirs de r glementation en cause ou un lectricien selon le cas 114946 A Rev A Canada Requirements Only continued Canadian Department of Communications Radio Interference Regulations This digital apparatus Access Feeder Node Access Link Node Access Node Access Stack Node Backbone Concentrator Node Backbone Concentrator Node Switch Backbone Link Node Backbone Link Node Switch Concentrator Node Feeder Node Link Node does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the Radio Interference Regulations of the Canadian Department of Communications R glement sur le brouillage radio lectrique du minist re des Communications Cet appareil num rique Access Feeder Node Access Link Node Access Node Access Stack Node Backbone Concentrator Node Backbone Concentrator Node Switch Backbone Link Node Backbone Link Node Switch Concentrator Node Feeder Node Link Node respecte les limites de bruits radio lectriques visant les appareils num riques de classe A prescrites dans le R glement sur le brouillage radio lectrique du minist re des Communications du Canada 114946 A Rev A Bay Networks Software License
15. contact the Bay Networks Technical Response Center 114946 A Rev A 3 3
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17. he Commercial Computer Software Restricted Rights clause at FAR 52 227 19 Trademarks of Bay Networks Inc ACE AFN AN BCN BLN BN BNX CN FN FRE GAME LN Optivity PPX SynOptics SynOptics Communications Wellfleet and the Wellfleet logo are registered trademarks and ANH ASN BayeSIS BayStack BCNX BLNX EZ Install EZ Internetwork EZ LAN PathMan PhonePlus Quick2Config RouterMan SPEX Bay Networks Bay Networks Press the Bay Networks logo and the SynOptics logo are trademarks of Bay Networks Inc Third Party Trademarks All other trademarks and registered trademarks are the property of their respective owners Statement of Conditions In the interest of improving internal design operational function and or reliability Bay Networks Inc reserves the right to make changes to the products described in this document without notice Bay Networks Inc does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Portions of the code in this software product are Copyright 1988 Regents of the University of California All rights reserved Redistribution and use in source and binary forms of such portions are permitted provided that the above copyright notice and this paragraph are duplicated in all such forms and that any documentation advertising materials and other materials related to such distribution and use acknowledge that such portions of the
18. ipt of written notice from Bay Networks Upon termination of this license licensee shall discontinue all use of the Software and return the Software and Documentation including all copies to Bay Networks Licensee s obligations under this license shall survive expiration or termination of this license 114946 A Rev A vii Contents About This Guide DENE o oa xvi ODIO ios da xvi Ordering Bay Networks PUDIICSTIOFIB scarico ae xvi Technical Support and Online Services Bay Networks Customer ServVie au xviii Bay Newarke roe dolce pU M iskder een items xix Pop E NO P E xix Gustoa Senica FIP e IE UTE xix SUBBEH Source ED M ER XX EOS El neu Sei ern eier lee XX GOA TS csi M ER TT xxi How ia Ge Pl tent EU xxi Chapter 1 Preparing for Installation ACOSO clc c ene aa ON erasers 1 1 ES SE ye SEINE rere P MP P A A et ue 1 3 Chapter 2 Installing the Link Module Inserins the Link MOTUS een 2 1 TAO Cables decer e E 2 2 Chapter 3 Checking Status Indicators Erene LEDE nt near oido o 3 1 Dual TOUBSSS T Ethernet Link Module LEDS nassen neea 3 3 114946 A Rev A ix Figures Figure 1 1 Link Module Slots in a BLN Platform eat 1 2 Figure 1 2 Link Module Slots in a BLN 2 Platform ssesssssees 1 2 Figure 1 3 Link Module Slots ind BEN Platform sense 1 3 Figure 2 1 Link Module Captive Screws BCN Example sess 2 2 Hur al NBME LEDS unt ridens pup bb oni edite
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20. platform Inserting the Link Module Install the link module in the BLN BLN 2 or BCN as follows 1 Attach an antistatic wrist strap BN platforms and link modules ship with an antistatic wrist strap You must wear one of these straps whenever you access components in a BN platform The antistatic wrist strap directs the discharge of static electricity from your body to the chassis thereby avoiding discharge and possible damage to sensitive electronic components Caution Electrostatic discharge can damage hardware Always use the antistatic wrist strap when handling any router components 2 Slide the module into the appropriate slot using the slot card guides Refer to Figure 1 1 BLN 1 2 BLN 2 or 1 3 BCN in Chapter 1 for slot locations Insert the module until its connector panel touches the router back panel Secure the captive screw on each end of the module Figure 2 1 Figure 2 1 shows the captive screws on a dual Ethernet link module these screws are the same on all link modules 114946 A Rev A 2 1 Installing Ethernet Link Modules in BN Platforms e 14131211109858RML7654321 e g EE X AN GEN ENTO001A Figure 2 1 Link Module Captive Screws BCN Example 5 Once you are done accessing the interior of the chassis remove the antistatic
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22. sistance wherever possible Customers and resellers holding Bay Networks service contracts also have access to special libraries for advanced levels of support documentation and software To take advantage of CompuServe s recently enhanced menu options the Bay Networks Forum has been re engineered to allow links to our Web sites and FTP sites We recommend the use of CompuServe Information Manager software to access these Bay Networks Information Services resources To open an account and receive a local dial up number in the United States call CompuServe at 1 800 524 3388 Outside the United States call 1 614 529 1349 or your nearest CompuServe office Ask for Representative No 591 When you are on line with your CompuServe account you can reach us with the command GO BAYNET XX 114946 A Rev A InfoFACTS Technical Support and Online Services InfoFACTS is the Bay Networks free 24 hour fax on demand service This automated system has libraries of technical and product documents designed to help you manage and troubleshoot your Bay Networks products The system responds to a fax from the caller or to a third party within minutes of being accessed To use InfoFACTS in the United States or Canada call toll free 1 800 786 3228 Outside North America toll calls can be made to 1 408 764 1002 In Europe toll free numbers are also available for contacting both InfoFACTS and CompuServe Please check our Web page for the listing in your
23. some cases the company s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone extension cord The customer should be aware that compliance with the above conditions may not prevent the degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Caution Users should not attempt to make such connections themselves but should contact the appropriate electric inspection authority or electrician as appropriate Canada CS 03 R gles et r glements Note L tiquette du minist re des Communications du Canada indique que l appareillage est certifi c est dire qu il respecte certaines exigences de s curit et de fonctionnement visant les r seaux de t l communications Le minist re ne garantit pas que l appareillage fonctionnera la satisfaction de l utilisateur Avant d installer l appareillage s assurer qu il peut
24. tent trademark trade secret or similar intellectual property or restricted rights notice within or aff xed to any Software and shall reproduce and aff x such notice on any backup copy of Software or copies of software resulting from modification or combination performed by licensee as permitted by this license vi 114946 A Rev A Bay Networks Software License continued 10 11 12 Licensee shall not reverse assemble reverse compile or in any way reverse engineer the Software Note For licensees in the European Community the Software Directive dated 14 May 1991 as may be amended from time to time shall apply for interoperability purposes Licensee must notify Bay Networks in writing of any such intended examination of the Software and Bay Networks may provide review and assistance Notwithstanding any foregoing terms to the contrary if licensee licenses the Bay Networks product Site Manager licensee may duplicate and install the Site Manager product as specified in the Documentation This right is granted solely as necessary for use of Site Manager on hardware installed with licensee s network This license will automatically terminate upon improper handling of Software such as by disclosure or Bay Networks may terminate this license by written notice to licensee if licensee fails to comply with any of the material provisions of this license and fails to cure such failure within thirty 30 days after the rece
25. vice If you purchased your Bay Networks product from a distributor or authorized reseller contact that distributor s or reseller s technical support staff for assistance with installation configuration troubleshooting or integration issues Customers can also purchase direct support from Bay Networks through a variety of service programs As part of our PhonePlus program Bay Networks Service sets the industry standard with 24 hour 7 days a week telephone support available worldwide at no extra cost Our complete range of contract and noncontract services also includes equipment staging and integration installation support on site services and replacement parts delivery within approximately 4 hours To purchase any of the Bay Networks support programs or if you have questions on program features use the following numbers Region Telephone Number Fax Number United States and 1 800 2LANWAN enter Express Routing 508 670 8766 Canada Code ERC 290 when prompted 508 436 8880 direct Europe 33 92 968 300 33 92 968 301 Asia Pacific Region 612 9927 8800 612 9927 8811 Latin America 407 997 1713 407 997 1714 In addition you can receive information on support programs from your local Bay Networks field sales office or purchase Bay Networks support directly from your authorized partner xviii 114946 A Rev A Technical Support and Online Services Bay Networks Information Service
26. wrist strap Connecting Cables Connect the appropriate cabling to the link module ports Refer to the cable guide for information about the cables Bay Networks supports for link modules 2 2 114946 A Rev A Chapter 3 Checking Status Indicators This chapter describes the status indicator lights LEDs on the Ethernet link modules Use the LEDs to verify that the link module is operating after installation Note We recommend that you issue the diags command to the associated slot using the Bay Networks Technician Interface immediately after you insert a link module Refer to Using Technician Interface Software if you use router software or Troubleshooting and Testing if you use BayStream software Otherwise the link module FAIL LED will remain lit indicating that diagnostics have not run on the Intelligent Link Interface ILI However even if you do not issue the diags command the link module initializes and becomes operational as long as the board functions properly and contains the correct interface configurations Ethernet LEDs The LEDs on the Ethernet connector panels vary depending on which module you have Figure 3 1 shows the LEDs on the Dual Ethernet Quad Ethernet and Dual Ethernet High Speed Filters link modules Table 3 1 describes those LED functions For information on the Dual 100Base T Ethernet link module LEDs see the next section 114946 A Rev A 3 1 Installing Ethernet Link Modules in BN
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