3Com 4210G manual Power Supply Failure, RPS input, RPS&AC input

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Power Supply Failure

The Switch 4210G use fixed power modules. Each of the Switch 4210G has three input modes, namely, AC input, RPS input and both.

You can check whether the power system of the switch fails by viewing the system status LED (PWR) and RPS status LED (RPS) on the front panel of the switch. For details, refer to Table 6-1.

Table 6-1Fixed power module failure LEDs description

 

 

LED

 

Mark

 

Status

 

Description

 

 

System status

 

PWR

Off

 

The switch is powered off.

 

 

LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Steady green

 

The AC input is normal, and the RPS is in the position

 

 

 

 

 

 

 

or works normally.

 

 

RPS status

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED (non-PoE

 

RPS

 

Steady yellow

 

RPS input is normal, but AC input fails or AC input is

 

 

switches)

 

 

 

 

not connected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

 

RPS is not connected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Steady green

The AC input and the RPS input work normally.

 

 

RPS status

 

 

 

 

 

 

 

 

 

 

 

 

 

The RPS input is normal, but the AC input fails or AC

 

 

LED (PoE

 

RPS

 

Steady yellow

 

 

 

 

 

 

input is not connected.

 

 

switches)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

 

RPS input is abnormal.

 

 

 

 

 

 

 

 

 

AC input

If the system status LED is off, an AC input failure occurs. Then do the following:

z

z

z

Check whether the AC power cord is well connected to the switch, whether the AC receptacle on the switch and the AC power socket are faulty.

Check whether the external AC power supply system is normal.

Check whether the operating temperature of the switch is normal, and whether good ventilation is provided to the power supply (the power module may stop working and enter the protection state due to over-temperature).

RPS input

If the system status LED or RPS status LED is off, an RPS input failure occurs. Then do the following:

z

z

z

Check whether the switch is well connected to the external RPS power supply. Check whether the external RPS power supply works normally.

Check whether the operating temperature of the switch is normal, and whether good ventilation is provided to the power supply (the power module may stop working and enter the protection state due to over-temperature).

RPS&AC input

When the switch adopts both RPS and AC inputs , you can check the power supply status and the input status of each line by viewing the system status LED and RPS status LED.

1)The system status LED is off.

Both the AC input and RPS input are faulty. Then do the following:

6-2

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Contents 3Com Switch 4210G Family Environmental Statement Chapter Contents About This ManualOrganization ConventionsRelated Documentation Obtaining DocumentationCreate Folder Convention DescriptionTable of Contents Page Iii Overview 4210G 24-Port 4210G 48-Port 4210G PWR 4210G NTVDC Introduction to Switch 4210G Switch 4210G 24-PortSwitch 4210G 48-Port Switch 4210G PWR 24-Port Switch 4210G PWR 48-Port Switch 4210G NT 24-Port Ports Switch 4210G NT 48-PortConsole Port 10/100/1000Base-T Ethernet Port Specification1000Base-X SFP Port LEDs Combo PortModel SFP port 10/100/1000Base-T Ethernet port LEDsPort Mode LED System Status LEDRPS Status LED Status DescriptionStatus Seven-Segment LEDSystem status Seven-segment LED Description 10/100/1000Base-T Auto-Sensing Ethernet Port Status LED Status Description Port mode Ethernet port 1000Base-X SFP Port Status LEDOptional Interface Modules Interface Module Status LEDShort-haul Dual-Port 10 GE CX4 Interface Module Mark Status DescriptionCX4 Cable Connector type Length Dual-Port 10 GE XFP Interface ModuleOne-port 10 GE XFP Interface Module Central Max Transceiver Connector Fiber TransmissionDistance Dual-Port 10 GE SFP+ Interface Module Connector Fiber Transmission Cable type DistanceTransceiver Central Max Description of LEDs of Interface Modules 22 SFP+ cableSafety Precautions Installation SiteTemperature/Humidity CleannessElectromagnetic Susceptibility Gas Maximum concentration mg/mInstallation Tools Laser SafetyInstalling the Switch Installation Flow of the SwitchIntroduction to Mounting Bracket Use Front Mounting Brackets to Install a Switch Model Physical dimensions × W × DConfiguration Type of front Mounting bracket Configuration Type of rear Mounting BracketUse Front Mounting Brackets and a Tray to Install a Switch Use Front and Rear Mounting Brackets to Install a Switch Page Page Mounting the Switch on a Workbench Connecting the Grounding Cable When a Grounding Strip is AvailableWhere a Grounding Conductor Can be Buried Other Installation Sites Connecting the AC Power Cord Connecting the Power CordsSwitch module Power supply Connection method Mode Connecting the RPS Power Cord 16Connect an AC power cord to a horizontal AC power socketPage Installing an Interface Module Installing an Interface CardInstalling Dedicated CX4/SFP+ Cable Removing an Interface ModuleInstalling Switches for an IRF Removing Dedicated CX4/SFP+ CableInstallation Flow for an IRF Task RemarksDrawing a Plan for an IRF with Switches For details, see Installing an Interface ModuleConfigure the physical connection mode Page Verifying the Installation 29Cable connections for an IRF with 1-port interface modulesSetting up the Configuration Environment Connecting the Console CableRJ-45 Signal Direction DB-9 Console CableSetting Terminal Parameters Connection Procedure4Set the serial port used by the HyperTerminal connection 6HyperTerminal window Checking before Powering on the Switch Booting the SwitchPowering on the Switch Describes the fields above 2Description on the fields Changing the Startup Mode Enter Y. The system displays the following information BUS Clock Speed 33MHz Memory Size 128MB Mac Address Page Boot Menu Loading Software Through the Boot ROM MenuIntroduction to Loading Modes Press Ctrl + B. The system displays Loading Software Using Xmodem Through Console Port Introduction to XmodemRequired ROM file effective2Properties dialog box Cccccccccccccccccc CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCdone Loading Software Using Tftp through Ethernet Port Loading host softwareLoad File name Loading Software Using FTP Through Ethernet Port Introduction to FTPDescription Loading Software Using FTP Loading Software Through CLILoading Software Using Tftp Update the Boot ROM program on the switchPassword Missing Failure Missing User PasswordMissing Boot ROM Password Software Loading FailurePower Supply Failure AC inputRPS input RPS&AC inputMark State System status LED Fan FailureSteady red Troubleshooting when there is no terminal display Configuration System FailureTroubleshooting when the terminal display is illegible