Nortel Networks 60-24T, 60-12T Diagnosing Hub Indicators, LED Indicators, Symptom Cause Solution

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Installation and Reference for the BayStack 60-12T/60-24T 10/100 Ethernet Hubs

Diagnosing Hub Indicators

You can easily monitor the hub through LED indicators on the front panel. Table 4-1 describes common problems and possible solutions.

Table 4-1.

LED Indicators

 

 

 

 

Symptom

Cause

Solution

The Link 10/100 Mb/s

A network interface, such as

indicator does not

an adapter card on the

light up after making a attached device, a network

connection.

cable, or the hub port is

 

defective.

Verify that the hub and attached device are powered on.

Be sure the cable is securely plugged into the hub and the device.

Verify the proper cable length is being used.

Check the adapter or cable connections for defects. Replace defective parts.

The Power indicator

A power outlet, power cord, or

• Check the power outlet by plugging in another,

does not light up

internal power supply is

properly functioning, device.

(green) after powering

defective.

• Check the power cord by plugging it into

on.

 

another, properly functioning, device.

 

 

• If you still do not have power, contact Customer

 

 

Support, as explained in “How to Get Help” on

 

 

page xvi for assistance.

The hub powers off after running for a time.

Loose connections, or power

• Check for loose power connections. Verify all

surges or losses may have

connections are seated securely.

occurred.

• Determine if power surges or losses occurred at

 

the power outlet.

 

• Verify that the fan on the back of the hub is

 

unobstructed and running.

4-2

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Contents Part No -A June Great America Parkway Santa Clara, CA Restricted Rights Legend Copyright 1999 Nortel NetworksTrademarks Statement of ConditionsIii 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 Preface Before You BeginTechnical Solutions Center Telephone Number How to Get HelpHard-Copy Technical Manuals Product Features Chapter IntroductionAutosense Capability Product DescriptionFront Panel BayStack 60-12T Front Panel LED Descriptions Color Activity IndicationPort Partitioning Hardware and Environmental Requirements Rear PanelChapter Typical Applications Mixed 10 Mb/s and 100 Mb/s EnvironmentBasic Mixed Network Example of a Basic Mixed NetworkExpanded Mixed Network Example of an Expanded Mixed NetworkBridging Daisy-Chained HubsChapter Installation Package ContentsInstalling the Hub Mounting the Hub in a Standard 19 Equipment RackHub Port Connecting Device Mode Cable Type Connecting the Hub To Other DevicesCable Types and MDI/MDI-X Modes Connecting the Hub Through a RJ-45 Port Applying Power to the Hub Connecting the Hub Through the MDI PortPort Status LED Descriptions Verifying Port StatusState Indication Chapter Troubleshooting Verifying System OperationsLED Indicators Diagnosing Hub IndicatorsSymptom Cause Solution Table A-1 Product Specifications Appendix a Technical SpecificationsDescription Internal Switching Specifications Port Assignments Appendix B Cable and Connector InformationRJ-45 Ports Cable Assignments Table B-1 RJ-45 Pin DescriptionsIndex Index-1Index-2

60-12T, 60-24T specifications

Nortel Networks 60-24T and 60-12T are both key components in the realm of networking, designed primarily for small to medium-sized businesses and institutions that require efficient and reliable telecommunications infrastructure. These products are part of Nortel’s broader suite of communication solutions and are known for their robust performance, ease of use, and flexible deployment options.

The Nortel 60-24T switch provides 24 Ethernet ports, allowing for the connection of multiple devices, such as computers, printers, and servers, all within a local area network. This model is particularly valued for its high-speed throughput and low latency, ensuring that data packets can be transmitted quickly and efficiently. With support for both 10/100 and gigabit Ethernet speeds, the 60-24T is adaptable to evolving network demands, making it a reliable choice for growing businesses.

On the other hand, the Nortel 60-12T model offers 12 Ethernet ports, tailored for smaller installations or as part of a larger network architecture. Its compact design does not compromise its performance, as it incorporates features like VLAN support, Quality of Service (QoS) capabilities, and advanced security protocols. These features aid in managing bandwidth allocation and protecting sensitive data, ensuring that critical business operations are maintained without interruption.

Both models utilize Nortel’s Intelligent Network architecture, which allows for simplified management and configuration of networking services. They support a variety of Ethernet standards, including IEEE 802.1Q for VLAN tagging, which enables users to segment their networks effectively, promoting better resource allocation and security.

Key characteristics include their fanless design in certain versions, ensuring quiet operation, along with energy-efficient capabilities that reduce overall power consumption. Additionally, they feature user-friendly interfaces that facilitate hassle-free setup and monitoring, making them suitable for IT teams with varying levels of expertise.

In summary, the Nortel Networks 60-24T and 60-12T switches stand out for their flexibility, robust feature set, and performance reliability. These attributes make them ideal solutions for any organization aiming to build or enhance their networking environment, addressing current needs while allowing for future growth.