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3Com Corporation  

 

 

  5400 Bayfront Plaza  

 

 

  Santa Clara, California  

 

 

  95052-8145

 

© 3Com Corporation, 1996. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make
any derivative work (such as translation, transformation, or adaptation) without permission from 3Com Corporation.

3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the
part of 3Com Corporation to provide notification of such revision or change.

3Com Corporation provides this documentation without warranty of any kind, either implied or expressed, including, but not limited to, the
implied warranties of merchantability and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or
the program(s) described in this documentation at any time.

 

UNITED STATES GOVERNMENT LEGENDS:

 

If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the
following restricted rights:

 

For units of the Department of Defense:

 

Restricted Rights Legend: 

 

Use, duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) for

restricted Rights in Technical Data and Computer Software clause at 48 C.F.R. 52.227-7013. 3Com Corporation, 5400 Bayfront Plaza, Santa Clara,
California 95052-8145.

 

For civilian agencies:

 

Restricted Rights Legend:

 

 

 

Use, reproduction or disclosure is subject to restrictions set forth in subparagraph (a) through (d) of the Commercial

Computer Software - Restricted Rights Clause at 48 C.F.R. 52.227-19 and the limitations set forth in 3Com Corporation’s standard commercial
agreement for the software. Unpublished rights reserved under the copyright laws of the United States.

If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the
product as a separate document, in the hard copy documentation, or on the removable media in a directory file named LICENSE.TXT. If you are
unable to locate a copy, please contact 3Com and a copy will be provided to you.

Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries.

3Com, LinkBuilder, and EtherLink are registered trademarks of 3Com Corporation. 3TECH, FMS, and SuperStack are trademarks of 3Com
Corporation. 3ComFacts is a service mark of 3Com Corporation. CompuServe is a trademark of CompuServe, Incorporated. 

Other brand and product names may be registered trademarks or trademarks of their respective holders. 3Com registered trademarks are
registered in the United States and may or may not be registered in other countries.

Guide written by John Jeter. Edited by Nancy Kurahashi. Technical illustration by Tim Buckreus. Production by Becky Whitmer.

Summary of Contents for 100 TX

Page 1: ... LINKBUILDER FMS 100 TX HUB USER GUIDE A member of the 3Com LinkBuilder FMS family Part No 09 0889 000 Published March 1996 ...

Page 2: ...m Corporation 5400 Bayfront Plaza Santa Clara California 95052 8145 For civilian agencies Restricted Rights Legend Use reproduction or disclosure is subject to restrictions set forth in subparagraph a through d of the Commercial Computer Software Restricted Rights Clause at 48 C F R 52 227 19 and the limitations set forth in 3Com Corporation s standard commercial agreement for the software Unpubli...

Page 3: ... TX HUB Unpacking the Hub 2 1 Positioning the Hub 2 2 Installing the Hub 2 2 Rack Mounting 2 3 Desktop Placement 2 5 Installing the Transceiver Interface Modules 2 5 Using the Redundant Power System 2 7 Replacing the Fuse 2 9 3 MAKING FMS 100 TX HUB CONNECTIONS Making Network Connections 3 1 Hub to Node 3 2 Hub to Hub Interconnection 3 4 Hub to Management Unit 3 5 Hub to Backbone 3 6 ...

Page 4: ...CABLING Transceiver Interface Module Cabling Requirements 4 2 Topology Rules 4 2 Hub to Connected Workstations 4 2 One Class I Repeater 4 3 A SPECIFICATIONS Hub Specifications A 1 B TECHNICAL SUPPORT On line Technical Services B 1 3Com Bulletin Board Service B 1 Access by Modem B 1 Access by ISDN B 2 World Wide Web Site B 2 3ComForum on CompuServe B 2 3ComFacts Automated Fax Service B 3 Support fr...

Page 5: ...v INDEX LIMITED WARRANTY FCC CLASS A VERIFICATION STATEMENT CISPR A COMPLIANCE CE NOTICE ...

Page 6: ...vi ...

Page 7: ... LinkBuilder FMS 100 TX Hub Supporting 11 Users and a Server 3 2 3 2 Pin Assignments for Straight Through Cabling 3 3 3 3 RJ 45 Connector Pin Assignments 3 3 3 4 Interconnecting Two Hubs 3 4 3 5 Connecting a Hub Stack to a Management Unit 3 5 3 6 Connecting Hubs to the Network Backbone 3 6 3 7 10 and 100 Mbps Collision Domains Connected by a Switching Hub 3 8 3 8 Class I Hub 3 9 3 9 Class II Hubs ...

Page 8: ...ions 1 4 2 1 Transceiver Interface Modules 2 5 3 1 LinkBuilder FMS 100 TX Hub Network Connections 3 1 3 2 Port LEDs 3 11 3 3 Hub Operation LEDs 3 12 3 4 Settings on Power Up Disabled Option Switch 3 13 4 1 Maximum Network Collision Domain Diameters 4 1 ...

Page 9: ...wing table shows where to find specific information in this guide If you are looking for Turn to General information about the hub Chapter 1 Instructions for mounting the hub Chapter 2 Instructions for connecting the hub to the network Chapter 3 Information about interpreting LEDs Chapter 3 Information about the hub s transceiver interface modules Chapter 3 Information about cabling requirements C...

Page 10: ... used throughout this guide Icon Type Description Information Note Information notes call attention to important features or instructions Caution Cautions alert you to personal safety risk system damage or loss of data Warning Warnings alert you to the risk of severe personal injury ...

Page 11: ...FMS 100 TX Hub complies with the definition of a Class I repeater provided in the IEEE 802 3 standard Refer to the section Classification of Repeaters in Chapter 3 for a description of the IEEE 802 3 repeater classification This guide discusses the LinkBuilder FMS 100 TX Hub and the 100BASE TX and 100BASE FX transceiver interface modules General Description The LinkBuilder FMS 100 TX Hub which fun...

Page 12: ...separately 100BASE TX Category 5 UTP module 3C252 TX 100BASE FX Fiber module 3C262 FX Additional modules may be supported in the future Figure 1 2 Rear Panel of LinkBuilder FMS 100 TX Hub 1x 2x 3x 4x 5x 6x 7x 100BASE TX STATUS 8x 9x 10x 11x 12x 1 2 3 4 5 6 7 8 9 10 11 12 13 ACTIVITY UNIT LINK PARTITION CLSII 3C250 TX Ι CLSI PWR FAN FAIL OVERTEMP COLLISION 100BASE TX Hub LinkBuilder FMS 100 RJ 45 p...

Page 13: ...r to the section Using the Redundant Power System in Chapter 2 for additional information A 2 A 250 V fast blow fuse is located in the hub s AC receptacle You can mount the LinkBuilder FMS 100 TX Hub in a 19 inch standard rack or you can place it as a stand alone unit on a desk or table A rack mounting kit is supplied with each hub Management Unit The LinkBuilder FMS 100 TX Hub can support a Manag...

Page 14: ...nal Carrier integrity monitor Examines the packets being received for invalid framing blocks excessive invalid frames to prevent them from harming the network Jabber control Inhibits overly long transmissions of data generated by station hardware failure This function is activated once a received packet has exceeded the jabber threshold Refer to the 802 3u specification for additional information ...

Page 15: ...als to the shipping container and save it If the hub must be returned ship it in its original shipping container or one providing equivalent protection or the warranty will be voided 3 Verify that you have received all items that are shipped with the hub as listed below 4 Inspect each item for damage If you find any omissions or damage contact your network supplier and the carrier that delivered t...

Page 16: ...xtures Water or moisture cannot enter the hub s case Airflow around the unit and through the vents is not restricted Provide a minimum of 1 inch 2 5 cm clearance on all four sides of the unit No objects are placed directly on top of any stack or unit other than another stackable device Installing the Hub This section discusses hub installation You can install the hub in a standard 19 inch rack or ...

Page 17: ...cket over the mounting holes on one side of the unit as shown in Figure 2 1 Figure 2 1 Attaching a Bracket for Rack Mounting 3 Insert the two screws and tighten with a screwdriver 4 Repeat steps 2 and 3 for the other side of the hub 5 Mount the hub in the rack and secure it with suitable screws as shown in Figure 2 2 Figure 2 2 Rack Mounting a Single Hub UNIT CLSII 3C250 TX Ι CLSI PWR FAN FAIL OVE...

Page 18: ...formation on installing the Redundant Power System All the LEDs should light momentarily Verify that the PWR power LED remains ON indicating that the hub is receiving power See Chapter 3 for information about connecting the stack to the network and interpreting LEDs 1x 2x 3x 4x 5x 6x 7x 100BT STATUS 8x 9x 10x 11x 12x 1 2 3 4 5 6 7 8 9 10 11 12 13 ACTIVITY UNIT LINK PARTITIO N CLSII 3C250 TX Ι CLSI...

Page 19: ...Modules The LinkBuilder FMS 100 TX Hub chassis is equipped with a rear panel port into which you can insert an optional 3Com transceiver interface module The transceiver interface module permits connections to a 100 Mbps Ethernet station or a network backbone that is also running 100 Mbps Ethernet The two types of transceiver interface modules are shown in Figure 2 5 Table 2 1 describes the two 10...

Page 20: ...a transceiver interface module follow these steps 1 Disconnect the AC power cord from the individual hub into which you are installing the transceiver interface module You do not have to power down the entire stack to install a module in a single hub If you are installing several modules power down each hub before inserting its module 2 Remove the blanking plate from the transceiver interface modu...

Page 21: ... the thirteenth port on the hub s front panel should be green indicating the module is correctly installed Using the Redundant Power System To ensure fail safe operation and constant power to the hub stack you can use the 3Com Redundant Power System RPS part number 3C565047 The RPS must be purchased separately The RPS which is rack mountable comprises two load sharing bulk power supplies fed by tw...

Page 22: ...a inst risk of fire use only with sam e type and rating of anti serge fuse INPUT V A max 5 5 0 12 2 5 12 0 2 EXPANSION OUT IN DC INPUT E D 3Com Corporation Santa Clara CA Made in USA REFE R TO INSTRUCTION MANUAL FOR CORRECT SELE CTION OF POWER CORD CAUTION For continued protection aga inst risk of fire use only with sam e type and rating of anti serge fuse INPUT V A max 5 5 0 12 2 5 12 0 2 OUT IN ...

Page 23: ...r verify that the AC power cord is securely attached If the LED is still not lit the fuse probably needs to be replaced The fuse is located in the hub s AC receptacle assembly on the hub s rear panel and is supplied as standard equipment for the hub It is a fast blow FSF034 1523 fuse or equivalent rated at 2 A 250 V To replace the fuse follow these steps 1 Locate the AC receptacle on the hub s rea...

Page 24: ...2 8 Removing the Fuse If you wish you can store a spare fuse in the front section of the fuse holder 5 Insert a new fuse rated at 2 A 250 V in the fuse holder 6 Push the fuse holder back into the AC receptacle until it snaps in place and reconnect the AC power cord If the PWR LED remains off contact your network supplier Use only with 250V fuse ...

Page 25: ...1 LinkBuilder FMS 100 TX Hub Network Connections Hub Connection Connectors Cabling Required Purpose To node RJ 45 port Transceiver interface module 100BASE TX 100BASE FX Straight through UTP Straight through UTP Fiber Connects PCs servers and other network devices directly to the hub To another hub in the stack Expansion connector Expansion cable Connects as many as eight hubs to each other to for...

Page 26: ...apter 2 Figure 3 1 LinkBuilder FMS 100 TX Hub Supporting 11 Users and a Server The maximum allowable distance between the hub and a PC server or other device is 100 meters of Category 5 UTP cable The UTP cable used for hub to node connections is a straight through connection That is no crossovers should be present The pin assignments for a straight through cable are shown in Figure 3 2 Refer to Ch...

Page 27: ...nts for the RJ 45 ports on the hub s front panel Figure 3 3 shows the RJ 45 connector pin assignments Figure 3 3 RJ 45 Connector Pin Assignments 1 2 3 4 5 6 7 8 Adapter Hub 1 2 3 4 5 6 7 8 1 12345678 2 3 4 5 6 7 8 TD TD RD RD 1x 2x 3x 4x 5x 6x 7x 100BT STATUS 8x 9x 10x 11x 12x 1 2 3 4 5 6 7 8 9 10 11 12 13 ACTIVITY UNIT LINK PARTITION CLSII 3C250 TX CLSI PWR FAN FAIL OVERTEMP COLLISION ...

Page 28: ...orts from the transceiver interface modules inserted in the hubs rear panels You do not have to turn off the power if you are connecting hubs using expansion cables Use the hub expansion cable 3C219 to connect the UP expansion port on the rear panel of one hub to the DOWN expansion port on the next hub as shown in Figure 3 4 The hub expansion cable must be purchased separately Repeat this step for...

Page 29: ...e fuse INPUT V A max 5 5 0 12 2 5 12 0 2 UP DOWN EXPANSION DC INPUT E D 3Com Corporation Santa Clara CA Made in USA REFER TO INSTRUCTION MANUAL FOR CORRECT SELECTION OF POWER CORD CAUTION For continued protection aga inst risk of fire use only with sam e type and rating of anti serge fuse INPUT V A max 5 5 0 12 2 5 12 0 2 UP DOWN EXPANSION DC INPUT E D 3Com Corporation Santa Clara CA Made in USA R...

Page 30: ...e required cabling for the two transceiver interface modules is as follows 100BASE TX module Category 5 two pair UTP cabling 100BASE FX module two strand 62 5 125 µ multimode fiber cabling Connections to a server or PC from one of the transceiver interface modules require straight through cabling Switch router or bridge To network backbone Single hub 100 meters maximum LinkBuilder REPEATER 1x 1x 1...

Page 31: ...ble through connections with switches bridges or routers that support 10 100 Mbps topologies Two LAN segments connected by a repeater constitute a single collision domain LAN segments connected by switches bridges or routers constitute multiple collision domains You can achieve maximum network flexibility by designing multiple collision domain networks For example a combined system containing both...

Page 32: ...eaching its destination or passing through a LAN bridge switch or router 100BASE TX Hub 1x 2x 3x 4x 5x 6x 7x 100BT STATUS 8x 9x 10x 11x 12x 1 2 3 4 5 6 7 8 9 10 11 12 13 ACTIVITY UNIT LINK PARTITION CLSII 3C250 TX CLSI PWR FAN FAIL OVERTEMP COLLISION LinkBuilder FMS 100 Collision domain Collision domain LinkBuilder FMS 100 TX Hub LinkSwitch 1000 Switch LinkBuilder FMS II 10 Mbps Hub LinkBuilder FM...

Page 33: ...re 3 8 Class I Hub LinkBuilder REPEATER 1x 1x 1x 1x 1x 1x 1x 100BT STATUS 1x 1x 1x 1x 1x 1 2 3 4 5 6 7 8 9 10 11 12 13 ACTIVITY UNIT LINE PARTITION CLS2 3C12345 CLS1 PWR FAN FAIL OVERTEMP COLLISION LinkBuilder REPEATER 1x 1x 1x 1x 1x 1x 1x 100BT STATUS 1x 1x 1x 1x 1x 1 2 3 4 5 6 7 8 9 10 11 12 13 ACTIVITY UNIT LINE PARTITION CLS2 3C12345 CLS1 PWR FAN FAIL OVERTEMP COLLISION LinkBuilder REPEATER 1x...

Page 34: ... 1x 1x 1x 1x 100BT STATUS 1x 1x 1x 1x 1x 1 2 3 4 5 6 7 8 9 10 11 12 13 ACTIVITY UNIT LINE PARTITION CLS2 3C12345 CLS1 PWR FAN FAIL OVERTEMP COLLISION LinkBuilder REPEATER 1x 1x 1x 1x 1x 1x 1x 100BT STATUS 1x 1x 1x 1x 1x 1 2 3 4 5 6 7 8 9 10 11 12 13 ACTIVITY UNIT LINE PARTITION CLS2 3C12345 CLS1 PWR FAN FAIL OVERTEMP COLLISION LinkBuilder REPEATER 1x 1x 1x 1x 1x 1x 1x 100BT STATUS 1x 1x 1x 1x 1x 1...

Page 35: ...able 3 2 Port LEDs LED Color Status Meaning ACTIVITY Green ON The port is receiving data OFF The port is not receiving data LINK Green ON A connection exists between the port and the end node OFF There is no connection between the port and the end node PARTITION Amber ON The port is partitioned because of excessive collisions more than 127 consecutive collisions or because long packets longer than...

Page 36: ... the stack and connected by a hub expansion cable to the component immediately below it Figure 3 11 Unit Digital Display Table 3 3 Hub Operation LEDs LED Color Status Meaning FAN FAIL Amber ON One or both of the two internal fans have failed OVERTEMP Amber ON The internal temperature exceeds 158 F 70 C COLLISION Green ON The segment is experiencing collisions CLS II Class II OFF The FMS 100 TX Hub...

Page 37: ...up disabled option switch You can use this option for security purposes For example you can disable a port where a faulty device or other problem exists This prevents the disabled port from receiving any data when the hub is powered up Conversely you can enable ports if you want them to receive data tion A 12 0 2 UP DOWN EXPA DC INPUT E D Power up disabled option switch Table 3 4 Settings on Power...

Page 38: ......

Page 39: ...the sections Considerations for Multisegmented Networks and Classification of Repeaters in Chapter 3 The LinkBuilder FMS 100 TX Hub only supports one repeater in a collision domain In a single collision domain the maximum network diameter is 200 meters with Category 5 UTP cabling only or 260 8 meters with one fiber optic cabling link Refer to Table 4 1 for a summary of maximum cable lengths Table ...

Page 40: ...BASE FX two strand fiber optic cabling 62 5 125 µ multimode cable Topology Rules The key 100BASE T topology rules are illustrated in this section Hub to Connected Workstations The maximum UTP cable length between the hub and connected workstations is 100 meters See Figure 4 1 Figure 4 1 Connecting the Hub to a Workstation Straight through UTP cable 100 meters maximum 1 8 LinkBuilder FMS 100 100BAS...

Page 41: ...imum UTP run from the hub to the desktops See Figure 4 2 Figure 4 2 Connecting the Hub in a Network Span of 260 8 Meters The maximum network span using only UTP cabling is 200 meters If only fiber cable is used the maximum span in 272 meters UTP cable 100 meters maximum LinkBuilder FMS 100 Hub class I Fiber backbone 160 8 meters maximum Router bridge or switch LinkBuilder REPEATER 1x 1x 1x 1x 1x 1...

Page 42: ...nd fiber maximum span 1x 2x 3x 4x 5x 6x 7x 100BASE TX STATUS 8x 9x 10x 11x 12x 1 2 3 4 5 6 7 8 9 10 11 12 13 ACTIVITY UNIT LINK PARTITION CLSII 3C250 T X CLSI PWR FAN FAIL OVERTEMP COLLISION 100BAS E TX Hub LinkBu ilder FMS 100 100 meters maximum 1x 2x 3x 4x 5x 6x 7x 100BASE TX STATUS 8x 9x 10x 11x 12x 1 2 3 4 5 6 7 8 9 10 11 12 13 ACTIVITY UNIT LINK PARTITION CLSII 3C250 T X CLSI PWR FAN FAIL OVE...

Page 43: ... Ranges Operating temperature 0 to 40 C 34 to 104 F Storage temperature 30 to 60 C 22 to 140 F Humidity 10 to 90 relative humidity noncondensing Altitude 3 050 m 10 000 ft operating Power Requirements AC input voltage 100 240 VAC 47 63 Hz Inrush current 20 A peak for 1 2 cycle 250 VAC AC input isolation 2000 VAC Power consumption 40 W maximum Heat output 136 5 BTU hr User replaceable fuse Fast blo...

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Page 45: ... as well as technical articles This service is available via modem or ISDN seven days a week 24 hours a day Access by Modem To reach the service by modem set your modem to 8 data bits no parity and 1 stop bit Call the telephone number nearest you Country Data Rate Telephone Number Australia up to 14400 bps 61 2 9955 2073 France up to 14400 bps 33 1 69 86 69 54 Germany up to 9600 bps 49 89 627 32 1...

Page 46: ...Com com This service features news and information about 3Com products customer service and support 3Com s latest news releases selected articles from 3TECH 3Com s award winning technical journal and more 3ComForum on CompuServe 3ComForum is a CompuServe based service containing patches software drivers and technical articles about all 3Com products as well as a messaging section for peer support ...

Page 47: ...ning installation hardware maintenance application training and support services When you contact your network supplier for assistance have the following information ready Diagnostic error messages A list of system hardware and software including revision levels Details about recent configuration changes if applicable If you are unable to contact your network supplier see the following section on ...

Page 48: ... sender s expense To obtain an RMA number call or fax Country Telephone Number Country Telephone Number Australia Sydney 61 2 959 3020 Japan 81 3 3345 7251 Melbourne 61 3 653 9515 Mexico 525 531 0591 Belgium 0800 71429 Netherlands 06 0227788 Brazil 55 11 546 0869 Norway 800 13376 Canada 905 882 9964 Singapore 65 538 9368 Denmark 800 17309 South Africa 27 11 803 7404 Finland 0800 113153 Spain 900 9...

Page 49: ...one The main transmission medium used to interconnect the workgroup areas of a network Fiber optic cable is often used for the backbone connection CAT 3 Category 3 balanced cable Balanced 100 Ω and 120 Ω cables and associated connecting hardware whose transmission characteristics are specified up to 16 MHz Used by 10BASE T and 100BASE T4 installations CAT 4 Category 4 balanced cable Balanced 100 Ω...

Page 50: ...ridge router or switch are within different collision domains Ethernet A local area network standard defining a physical medium and its method of placing data or packet signaling on a cable Access to the cable is based on CSMA CD carrier sense multiple access with collision detection Fast Ethernet A 100 Mbps technology based on the Ethernet CSMA CD network access method FDDI Fiber Distributed Data...

Page 51: ...device that extends the length topology or interconnectivity of the physical medium beyond that imposed by a single segment up to the maximum allowable end to end trunk transmission line length Repeaters perform the basic actions of restoring signal amplitude waveform and timing applied to normal data and collision signals See also Hub SNMP Simple Network Management Protocol A network monitoring p...

Page 52: ...e than thick Ethernet cable Thin Ethernet operates at the same frequency as thick Ethernet but over a shorter distance and it provides less insulation from interference than thick Ethernet Transceiver A hardware device that links a node to a network cable and functions as both a transmitter and a receiver Twisted pair Wiring similar to that found in the telephone system consisting of two insulated...

Page 53: ... 4 2 100BASE TX module 4 2 hub to workstation 4 2 network connections 3 1 network span 4 3 straight through 3 2 4 1 classification of repeaters Class I 3 9 Class II 3 10 collision domain defined 3 7 single repeater 3 9 CompuServe B 2 connecting to the network 3 1 connections hub to backbone 3 6 hub to Management Unit 3 1 3 5 hub to node 3 2 4 2 hub to hub interconnection 3 4 D desktop placement of...

Page 54: ...ub to Management Unit 3 1 3 5 hub to node 3 2 via a bridge router or switch 3 6 3 7 4 2 4 3 4 4 network management and power up disabled option 3 13 network supplier support B 3 networks heterogeneous 10 100 Mbps 3 7 O on line technical services B 1 operating voltage requirements A 1 operation LEDs 3 12 P physical dimensions A 1 pin assignments 100BASE TX transceiver interface module 3 3 RJ 45 3 3...

Page 55: ...tack family FMS 100 Management Unit 1 3 FMS 100 TX Hub 1 3 T technical support B 1 thirteenth port transceiver interface module port 1 1 topology rules 100BASE T 4 1 4 2 transceiver interface module port 1 1 transceiver interface modules 1 1 3 6 100BASE FX 1 2 100BASE TX 1 2 cabling 2 5 cabling requirements 4 2 connector types 2 5 installation 2 6 U unit digital display 3 12 ...

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Page 57: ...compatibility except where the non compatibility is caused by a bug or defect in the third party s product STANDARD WARRANTY SERVICE Standard warranty service for hardware products may be obtained by delivering the defective product accompanied by a copy of the dated proof of purchase to 3Com s Corporate Service Center or to an Authorized 3Com Service Center during the applicable warranty period S...

Page 58: ...is device complies with the CISPR Class A standard WARNING This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures 3Com Corporation 5400 Bayfront Plaza Santa Clara CA 95052 8145 408 764 5000 CE NOTICE Marking by the symbol indicates compliance of this equipment to the EMC directive of the Europea...

Page 59: ...NOTES ...

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Page 63: ...______________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ Optional Name ________________________________________...

Page 64: ...UNITED STATES BUSINESS REPLY MAIL FIRST CLASS PERMIT NO 1883 SANTA CLARA CA 3Com Corporation Attn PCOps Technical Publications P O Box 58145 Santa Clara CA 95052 8145 U S A PLEASE FOLD AND TAPE POSTAL REGULATIONS PROHIBIT THE USE OF STAPLES ...

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