System Status LED

The system status LED helps you determine the working status of the switch. Refer to Table 1-6 for the details.

Table 1-6System status LED description

 

LED

Status

Description

 

 

Steady green

The switch is started normally.

 

 

 

 

 

 

Flashing green (1 Hz)

The system is performing power-on self test (POST).

 

PWR

 

 

 

Steady red

POST failed.

 

 

 

 

 

 

Flashing yellow (1 Hz)

POST on some ports failed.

 

 

 

 

 

 

Off

The switch is powered off.

 

 

 

 

RPS Status LED

The RPS status LED helps you determine the working status of the RPS of the switch. Refer to Table 1-7 for details.

Table 1-7RPS status LED (for Switch 4210G 24-Port, Switch 4210G 48-Port, Switch 4210G NT 24-Port, and Switch 4210G NT 48-Port)

 

LED

Status

Description

 

 

Steady green

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

 

 

works normally.

 

 

 

 

RPS

 

 

 

Steady yellow

The RPS input is normal, but the AC input fails or is not

 

 

connected.

 

 

 

 

 

 

 

 

 

Off

RPS is not connected.

 

 

 

 

Table 1-8RPS status LED (for Switch 4210G PWR 24-Port and Switch 4210G PWR 48-Port)

 

LED

Status

Description

 

 

Steady green

The RPS input is normal, and the AC input works normally.

 

 

 

 

 

RPS

Steady yellow

The RPS input is normal, but the AC input fails or is not

 

connected.

 

 

 

 

 

 

 

 

 

Off

The RPS input is abnormal.

 

 

 

 

Port Mode LED

The port mode LED on the Switch 4210G 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.

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3Com 4210G manual System Status LED, RPS Status LED, Port Mode LED, Status Description