Nortel Networks 60-12T Appendix a Technical Specifications, Table A-1 Product Specifications

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Appendix A

Technical Specifications

Table A-1 provides technical information regarding product specifications, port and cable assignments, and EMI certification.

Table A-1.	Product Specifications

Item		Description

Standards Conformance		IEEE 802.3 Ethernet, IEEE 802.3u Fast Ethernet

Access Method		CSMA/CD, 10 Mb/s, or 100 Mb/s

Communication Rate		10/100 Mb/s on RJ-45 ports

Media Supported		10 BASE-T - 100 Ohm Category 3, 4, 5 twisted pair
		100 BASE-TX - 100 Ohm Category 5 twisted pair

Ports		• 12/24 10/100 Autosensing RJ-45 Ethernet ports
		• Port 1 can be set to normal (MDI -X) or uplink (MDI) mode

LED indicators		Port status, port link, port partition, collision, activity, 10/100 Mb/s
		traffic, and power.

Dimensions		482.6 x 204 x 44 mm (19 x 8 x 1.72 inches)

Weight		2.1 kg (4.6 lb)

Input Power		Full range power input:
		100 to 240 V AC
		50 to 60 Hz

Power Consumption		2.0 A max. @ 100-240 V AC

Heat Dissipation		92.1 BTU/hr max. @ 100-240 V AC

Operating Temperature		0°C to 40°C (32°F to 104°F)

Operating Humidity		80% maximum humidity, noncondensing

206378-A

A-1

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Contents

Part No -A June Great America Parkway Santa Clara, CA Statement of Conditions Copyright 1999 Nortel NetworksTrademarks Restricted Rights LegendIii Voluntary Control Council for Interference Vcci Statement Wichtige Sicherheitshinweise Nortel Networks NA Inc. Software License Agreement Vii Viii Contents Chapter Troubleshooting Figures Xii Tables Xiv Before You Begin PrefaceHard-Copy Technical Manuals How to Get HelpTechnical Solutions Center Telephone Number Chapter Introduction Product FeaturesFront Panel Product DescriptionAutosense Capability BayStack 60-12T Front Panel Color Activity Indication LED DescriptionsPort Partitioning Rear Panel Hardware and Environmental RequirementsMixed 10 Mb/s and 100 Mb/s Environment Chapter Typical ApplicationsExample of a Basic Mixed Network Basic Mixed NetworkExample of an Expanded Mixed Network Expanded Mixed NetworkDaisy-Chained Hubs BridgingPackage Contents Chapter InstallationMounting the Hub in a Standard 19 Equipment Rack Installing the HubCable Types and MDI/MDI-X Modes Connecting the Hub To Other DevicesHub Port Connecting Device Mode Cable Type Connecting the Hub Through a RJ-45 Port Connecting the Hub Through the MDI Port Applying Power to the HubState Indication Verifying Port StatusPort Status LED Descriptions Verifying System Operations Chapter TroubleshootingSymptom Cause Solution Diagnosing Hub IndicatorsLED Indicators Description Appendix a Technical SpecificationsTable A-1 Product Specifications Internal Switching Specifications RJ-45 Ports Appendix B Cable and Connector InformationPort Assignments Table B-1 RJ-45 Pin Descriptions Cable AssignmentsIndex-1 IndexIndex-2