If the module is in isolated mode, the Port Status LEDs on that module (or connector) do not light.

Activity LEDs remain on during the network check sequence.

The network check sequence repeats at least three times, and each check sequence lasts for approximately 30 seconds.

Table 3-5 explains the network check codes.

Table 3-5. Network Check Codes

 

LED State

Network Configuration

 

 

 

1

Blink

Connector is configured for network 1

 

 

 

2

Blinks

Connector is configured for network 2

 

 

 

3

Blinks

Connector is configured for network 3

 

 

Off

Connector is isolated from backplane networks

 

 

 

Installing and Operating the Module 3 - 33

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3Com 5124M-TPCL manual Network Check Codes, LED State Network Configuration