3Com 2900 manual Port Mode LED, 10/100/1000Base-T Auto-Sensing Ethernet Port Status LED

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Port Mode LED

The port mode LED on the 3Com Baseline Switch 2928-PWR Plus/3Com Baseline Switch 2928-HPWR Plus can display the working status of a port for you to obtain more device information. You can use the port mode switching button to change the status of the port mode LED.

Table 1-83Com Baseline Switch 2928-PWR Plus/3Com Baseline Switch 2928-HPWR Plus port mode LED description

 

 

LED

 

Status

Description

 

 

Mode

 

Solid green

Indicates port rate.

 

 

 

 

 

 

 

 

Blinking green (1 Hz)

Indicates port PoE power supply.

 

 

 

 

 

 

 

 

 

 

10/100/1000Base-T Auto-Sensing Ethernet Port Status LED

z

z

Each port of the 3Com Baseline Switch 2952-SFP Plus has a bi-color LED indicating its status; whereas each port of other models of the 3Com Baseline Switch 2900 Family has two LEDs, with only one in the ON state at a time.

For each port of the 3Com Baseline Switch 2928-PWR Plus and 3Com Baseline Switch 2928-HPWR Plus, the port mode LED and the status LED together indicate the port operation status.

Table 1-910/100/1000Base-T auto-sensing Ethernet port LEDs description

 

 

 

 

Port

 

Ethernet port status

 

 

 

 

 

 

Switch model

 

mode

 

 

 

Meaning

 

 

 

 

 

 

LED

 

 

 

 

 

 

 

LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

On

The port operates at a rate of 1000

 

 

 

 

 

 

 

 

Mbps

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Green

 

Fast blinking

Data is being transmitted or received at

 

 

 

 

 

 

 

1000 Mbps

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3Com Baseline

 

 

 

 

Off

 

The port is not up or does not operate at

 

 

 

 

 

 

 

1000 Mbps

 

 

Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2920-SFP Plus

—

 

 

 

On

The port operates at a rate of 10/100

 

 

3Com Baseline

 

 

 

Mbps

 

 

 

 

 

 

 

 

 

 

Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data is being transmitted or received at

 

 

2928-SFP Plus

 

 

 

 

Fast blinking

 

 

 

 

 

 

10/100 Mbps

 

 

 

 

 

 

Yellow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking (3

The POST has failed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hz)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

The port is not up or does not operate at

 

 

 

 

 

 

 

 

10/100 Mbps

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents
3Com Baseline Switch 2900 Family Environmental Statement Conventions About This ManualOrganization Manual Description Related DocumentationObtaining Documentation Table of Contents Page Introduction Product OverviewPage Power Supply System 3Com Baseline Switch 2920-SFP PlusFront Panel Rear Panel3Com Baseline Switch 2928-SFP Plus 3Com Baseline Switch 2952-SFP Plus 3Com Baseline Switch 2928-PWR Plus 3Com Baseline Switch 2928-HPWR Plus Ports Specification Console Port 10/100/1000Base-T Ethernet Port1000Base-X SFP Interface Transceiver Central Connector TypeFiber Max Transmis Sion DistanceRPS Status LED Power LEDLEDs 10/100/1000Base-T Auto-Sensing Ethernet Port Status LED Port Mode LEDPort Ethernet port status Switch model Mode Meaning LED 1000Base-X SFP Interface Status LED Safety Precautions Installation PreparationsInstallation Site Temperature/HumidityElectromagnetic Susceptibility Laser SafetyDust concentration limit in the equipment room Gas Maximum concentration mg/mInstallation Tools Model Mounting bracket Description Installing a SwitchIntroduction to Mounting Brackets Attaching the Mounting Brackets to a Switch See -6 , Figure Model Mounting position DescriptionMounting the Switch to a Rack Page When a Grounding Strip is Available Mounting the Switch on a WorkbenchConnecting the Pgnd Cable Page When the switch is AC-powered Where a Grounding Conductor Can be BuriedOther Installation Sites Connecting an AC Power Cord Connecting the Power CordConnecting an RPS DC Power Cord Verifying the InstallationPage Setting Up the Configuration Environment Initial Power-OnConnecting the Console Cable RJ-45 Signal Direction DB-9Connection Procedure Setting Terminal Parameters4Set the serial port used by the HyperTerminal connection 6HyperTerminal window Powering On the Switch Booting the SwitchChecking Before Power-On Describes the fields above 2Description on the fields Enter 9. The system prompts you to change the startup mode Changing the Boot ModeEnter Y. The system displays the following information User interface aux0 is available Press Enter to get started Loading Software Approaches for Loading Application and Configuration FilesLoading Files Through the Boot ROM Menu Introduction to the Boot ROM Menu Introduction to Xmodem Loading Files Using Xmodem Through Console PortLoading a Boot ROM file Change the rate of the serial port on the terminal Task RemarksDescription Page 2Properties dialog box 5Transfer menu Restoring the download rate to the default Page Introductin to Tftp Loading Files Using Tftp Through Ethernet PortLoad File Name Loading an application file Introduction to FTP Loading Files Using FTP Through Ethernet PortParameters are described in Table 5Description of the FTP parameters Loading an application file Password Loss Maintenance and TroubleshootingUser Password Loss Boot ROM Password LossWith AC power input Power Supply FailureWith RPS power input With both AC and RPS power suppliesTroubleshooting when the terminal display is illegible Configuration Terminal FailureTroubleshooting when there is no terminal display
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