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Cabletron Systems 3T02-04 manual Shielded Twisted Pair

Models: 3T02-04

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2.4.2Shielded Twisted Pair

Connecting the Token Ring Module to a Hub

Refer to the Hub manufacturer’s manual for speciﬁc cabling information for connecting workstations to the Hub.

To connect the Token Ring module to a UTP Hub, attach one end of a UTP cable to the Token Ring module’s RJ45 connector and connect the other end with the appropriate connector to any port except the Ring In or Ring Out ports on a UTP Hub. The Ring In/Ring Out ports are used for interconnecting Hubs. Refer to the example shown in Figure 2-1.

Figure 2-1 Connecting a Token Ring Module to a UTP Hub

2.4.2Shielded Twisted Pair

When using Shielded Twisted Pair cabling, refer to the following (this assumes patch cables that are no longer than 8 feet or 2.4 meters):

Table 2-2 Shielded Twisted Pair Cabling Speciﬁcations

Data Rate	Compatibility	Cable Type	Longest Lobea


	IBM and IEEE
4 Mbps	802.5 Token	IBM Types 1	240 m (787 ft.)
	Ring

	IBM and IEEE
16 Mbps	802.5 Token	IBM Types 1	100 m (328 ft.)
	Ring

a. To assure compatibility with future LANs, the longest lobe should be limited to 100 meters.

Token Ring Switch Module User Guide

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Cabletron Systems 3T02-04 manual Shielded Twisted Pair

Contents

TOKEN RING SWITCH MODULE 3T02-04 AND 3T01-04 USER GUIDE Page Token Ring Switch Module User Guide FCC NOTICE Token Ring Switch Module User GuideDOC NOTICE VCCI NOTICEToken Ring Switch Module User Guide EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITYCABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT CABLETRON SOFTWARE PROGRAM LICENSEUNITED STATES GOVERNMENT RESTRICTED RIGHTS Token Ring Switch Module User GuideCHAPTER 2 CONNECTING TO THE NETWORK CONTENTSCONFIGURING Token Ring Switch Module User GuideCHAPTER 5 DIAGNOSTICS AND TROUBLESHOOTING ContentsTECHNICAL SPECIFICATIONS Token Ring Switch Module User GuideCHAPTER INTRODUCTION 1.1 DOCUMENT CONVENTIONS 1.3 GETTING HELP 1.2 RELATED MANUALSanonymous your email address1.4 GENERAL DESCRIPTION 1.5 STANDARDS 1.6 CONNECTORSFigure 1-1 ATX Front Panel Figure 1-2 3T02-04 and 3T01-04 Front PanelsToken Ring Switch Module User Guide 1.7 LEDsChapter 1 Introduction Page2.1 INTRODUCTION CHAPTER CONNECTING TO THE NETWORK2.2 POWER-UP LED SEQUENCE 2.4 CONNECTING THE TOKEN RING MODULE TO A HUB 2.3 TYPICAL CONFIGURATIONS2.4.1 Unshielded Twisted Pair Chapter 2 Connecting to the Network2.4.2 Shielded Twisted Pair Figure 2-2 Connecting a Token Ring Module to an STP MAU 3.1 INTRODUCTION CHAPTER CONFIGURING3.3 LCM COMMANDS 3.2 CONNECTING THE LCM3.5 CONFIGURING THE BRIDGING TYPE 3.5.1 Transparent 3.4 SETTING THE RING SPEED3.5.2.2 Segment Number 3.5.2 Source Routing and SRT3.5.2.1 Bridging Method 3.6 TRANSLATION OPTIONS 3.5.2.3 Bridge Number3.6.1 ARP Translation 3.6.3 IPX Translation 3.6.2 Source Routing ARP Translation3.6.4 AppleTalk Translation Off - perform no translation On - translate the packets Page Token Ring Switch Module User GuideChapter 3 Conﬁguring 4.1 DISPLAYING PORT STATUS CHAPTER STATISTICSDisabled - The port is not conﬁgured for Spanning Tree RXQ Overﬂows - number of incoming packets dropped by the port due to a lack of buffers. This entry shows status only it is not selectable. After a reboot, the ATX tries to automatically re-allocate the Small Buffers among the ports so that the total number of RXQ Overﬂows is minimized Table 4-1 Destination Addresses and Forwarding Outcomes 4.2 MODULE STATISTICSDestination Address Forwarding OutcomesifTxSizes - The number of packets not sent due to size limitations Page Token Ring Switch Module User GuideChapter 4 Statistics 5.1 POWER-UP DIAGNOSTICS 5.1.1 Power-up Tests CHAPTER DIAGNOSTICS AND TROUBLESHOOTINGChapter 5 Diagnostics and Troubleshooting 5.1.2 Power-up Results5.2 OPERATIONAL DIAGNOSTICS 5.2.1 Loopback Tests 5.3 TROUBLESHOOTING 5.3.1 If the Module Fails to Power Up 5.2.2 Diagnostic Results5.3.2 Connectivity Problems CHAPTER ADDING/SWAPPING MODULES 6.1 UNPACKING THE TOKEN RING SWITCH MODULE6.2 ADDING A TOKEN RING SWITCH MODULE Delete all static addresses 6.3 SWAPPING A MODULE Page Token Ring Switch Module User GuideChapter 6 Adding/Swapping Modules APPENDIX A TECHNICAL SPECIFICATIONS DB9 for STP RJ45 for UTP B.1 OVERVIEW APPENDIX B BRIDGING METHODSAppendix B Bridging Methods B.2 TRANSPARENT BRIDGINGFigure B-1 Source Routing Example B.3 SOURCE ROUTING BRIDGINGStation C Figure B-2 Data Path Using Source Routing BridgingStation A B.4 SOURCE ROUTING TRANSPARENT BRIDGING Page B-6 Token Ring Switch Module User GuideAppendix B Bridging Methods INDEX Index-2 Token Ring Switch Module User GuideIndex