3Com 6412M-25-TP manual Port Status, Action

Page 52

Table

4-1

(Page 2

of 2).

Problem Determination Using Port Status LEDs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Status

LED

 

Port

Status

Possible

 

 

 

 

Corrective

Action

 

 

 

 

 

 

 

 

 

 

 

 

Cause

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

 

Enabled

No

connector

 

isAttach

a

connector

to

the

port,

 

 

 

 

 

attached

to

theor ensure that there is a device

 

 

 

 

 

port,

 

or

thereat isthe

end of

the

connection.

 

 

 

 

 

 

no

device

at

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the

end

of

 

the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connection.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable

 

attached1)

Change

the

cable.

 

 

 

 

 

 

 

 

 

to the port is2) Perform wrap tests to

 

 

 

 

 

 

 

faulty.

 

 

determine

the

failing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

component.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3) Check the cable type.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remote

station Check the

remote

station.

 

 

 

 

 

 

 

attached

to

 

the

the station

is

turned

OFF,

turn

 

 

 

 

 

port

 

 

 

 

If

 

 

 

 

 

is either

the

station. If

the station

is

 

 

 

 

 

turned

OFF

 

 

ON

 

 

 

 

 

or

 

 

 

restart

the

 

 

 

 

 

 

 

inoperational.

 

inoperational,

 

 

 

 

 

 

 

 

application

that

is

running

on it.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum

link

 

 

See

Table 2-3

on

page 2-12

for

 

 

 

 

 

 

distance

 

 

the maximum distances for valid

 

 

 

 

 

 

exceeded.

 

connections.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-4 25 Mbps ATM Module - Installation and User's Guide

Page 51 Page 53
Image 52
Page 51 Page 53
Contents Document Number August Model Number 6412M-25-TP Ii 25 Mbps ATM Module Installation and Users Guide Canadian Emissions RequirementsCompliance EMC DirectiveVcci Class 1 Compliance DisclaimerCopyright Statement IiiTrademarks Iv 25 Mbps ATM Module Installation and Users GuideIBM Contents ISD Vi 25 Mbps ATM Module Installation and Users GuideIndex UTP FiguresviiViii 25 Mbps ATM Module Installation and Users Guide Tables TablesMbps ATM Module Installation and Users Guide How to Use This Guide Who Should Use This GuideContents of This Guide Prerequisite Knowledge This GuideTermATM Control Point used in this Guide TextConvention Bold Backpressure3Com Documents Related DocumentsONcore Distributed Management Module Users- ProvidesGui Reference Documents Features Overview25 Mbps ATM Module Installation and Users Guide InstallationSET Module Functions Interfaces SupportedUNI ATM I/OCampus Networking ForInstallation ModuleUnpacking Installation Summary Installation activitiesLED 4000Installation Installing the Module in an ONcore HubInstalling the Module in an ONcore Hub Module Ejectors OFFInstalling the Module in a CELLplex 4000 Expansion Unit Blank PanelTheCELLplex Installation Users Guide CELLplex 4000 Module EjectorsInstalling the Module in a CELLplex 4000 Expansion Unit 10 25 Mbps ATM Module Installation and Users Guide Connecting ATM DevicesCabling Up Trunk Patch UTP/FTP/STP Cabling InformationType Attenuation Class 100 12 25 Mbps ATM Module Installation and Users Guide Cabling DistancesType Allowable Distance metersConnecting Devices to the ATM Ports Via Building Wiring14 25 Mbps ATM Module Installation and Users Guide Direct CablingConnectors SignalCables RD+Twisted-Pair Cable 16 25 Mbps ATM Module Installation and Users GuideNon-ATM Forum Compliant UNI Devices Port Non-Compliant 25.6-Mbps Device RD+ TD+18 25 Mbps ATM Module Installation and Users Guide Configuration ParametersSlot PortMode FlowcontrolConfiguration Settings Example25 Mbps ATM Module Installation and Users Guide Port Information Saving Configuration SettingsPort Network Operation Front Panel Module Installation Users GuideColor State Meaning LED Name Color State Front Panel Troubleshooting Verifying LED OperationONcore CELLplexPort LightIdle DoesPort Status Possible CausePort Status ActionStatus LED Not Light Yellow During TrafficDuring Traffic Reset ResetChapter Troubleshooting Only SlotWhen Determining the Failing Component Using a Wrap Test Replacing 6412M-25-TP Modules Electrical Specifications General SpecificationsEnvironmental Specifications Specifications Weight Lbs 1.5 kgAppendix B. ATM Components Appendix B. ATM Components B-125 Mbps ATM Module Installation and Users Guide Board Service Online Technical ServicesAppendix Technical Support C-1 Access Digital ModemModem Isdn3ComFacts Automated Fax Service Site3ComForum on CompuServe Appendix C. Technical Support C-3Country Telephone Support From 3Com Corporation Support From Your Network SupplierAppendix C. Technical Support C-5 These numbers are toll-free Returning Products for Repair Appendix C. Technical Support C-7Contacting 3Com ISD Technical Publications MIBIndex IndexX-1IndexX-2 IndexX-3 IndexX-4 Limited Warranty Limited Warranty3Com Corporation

6412M-25-TP specifications

The 3Com 6412M-25-TP is a powerful and robust networking solution tailored for small to medium-sized businesses and enterprises looking to enhance their network infrastructure. This Layer 2 managed switch is designed to facilitate efficient data communication while providing a variety of features that ensure optimal performance and security.

One of the main features of the 3Com 6412M-25-TP is its support for up to 24 10/100 Mbps Ethernet ports, enabling high-speed connections for multiple devices. Additionally, it provides two Gigabit Ethernet uplink ports, allowing for seamless integration with high-bandwidth applications and better connectivity options. The switch is particularly praised for its ability to handle heavy traffic loads while maintaining low latency, making it suitable for environments requiring reliable and fast data transmission.

In terms of technologies, the 3Com 6412M-25-TP employs advanced switching capabilities, which help in forwarding data efficiently within the network. It features support for VLANs (Virtual Local Area Networks), allowing network administrators to segment traffic and improve security. This ability also enhances broadcast control and aids in managing network congestion. Quality of Service (QoS) features further refine traffic management by prioritizing critical applications, ensuring that latency-sensitive services, such as VoIP and video conferencing, receive the bandwidth they need.

Another notable characteristic of the 3Com 6412M-25-TP is its user-friendly web management interface, which facilitates straightforward configuration and monitoring of the switch. This interface enables administrators to manage settings efficiently, track performance, and diagnose issues in real-time. Additionally, the switch supports SNMP (Simple Network Management Protocol), providing further options for network management and monitoring via external software solutions.

With a compact design, the 3Com 6412M-25-TP can be easily integrated into existing network setups without requiring excessive space. Its reliability and performance make it a trustworthy choice for businesses aiming to bolster their network capabilities. The combination of speed, management features, and security makes the 3Com 6412M-25-TP a valuable and versatile addition to any organization's networking arsenal.
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