AT-9000 Gigabit Ethernet Switch Installation Guide

SFP LEDs Each SFP slot has one SFP LINK/ACT LED. An up-arrow LED corresponds to the upper SFP slot, and a down-arrow LED corresponds to the lower SFP slot.

The SFP LINK/ACT LEDs are illustrated in Figure 11, and their function is described in Table 8:

 

 

LINK/ACT LEDs

 

Figure 11. SFP LINK/ACT LEDs

Table 8. SFP LINK/ACT LED States

 

 

 

LED State

 

Description

 

 

 

Solid Green

 

Link is established on the port

 

 

 

Flashing Green

 

Port is transmitting and/or receiving data

 

 

 

Off

 

No link is established on the port

 

 

 

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Allied Telesis AT-9000/12POE, AT-9000/28POE manual SFP LINK/ACT LEDs