Installation Manual 
Quidway S5600 Series Ethernet Switches  Chapter 1  
Product Overview
 
Huawei Technologies Proprietary 
1-5 
LED  Mark  Status  Description 
Green 
The device is in the ring fabric 
status; the LED blinks quickly 
when the fabric port is receiving 
or sending data. 
Yellow 
The device is in the daisy chain 
fabric status; the LED blinks 
quickly when the fabric port is 
receiving or sending data. 
Blinking green (at 3 Hz) 
This device is isolated from the 
whole set of fabric devices 
(effective when this device is in 
the fabric status). 
Fabric LED  STK 
OFF 
Neither of the two fabric ports is 
connected. 
Solid green 
The module is seated and 
operates normally. 
Blinking yellow 
The module fails or is not 
supported. 
Module 
LED 
Modul
e 
(MOD
) 
OFF  No module is installed.