8-2 LED Information 
 
 
 
This chapter describes the LED information of this adapter. “CC2M8G3X1” and “CC9M4G2X1” have not the LED 
information.   
□  LED indications and actions to be taken 
LEDs are attached on the bracket side of this adapter as shown below.  
If LED shows any other status than described below, contact your sales representative or 
call the maintenance personnel.  
 
 
 
 
 
 
 
 
 
 
 
No.  LED status  Meaning  Action to be taken 
 
Green 
Yellow 
 
1  ●  ▲4 
Link up at 8 Gbps.  
No action is required.  
2  ●  ▲3  Link up at 4 Gbps.   No action is required.  
3  ●  ▲2  Link up at 2 Gbps.   No action is required.  
4 
Δ 
○  Link down status  Check the status and cable 
connection of the connected devices.  
Check the transfer speed setting of 
the adapter and the connected 
devices.  
5  ○  ○ 
No current is applied to the adapter.  
Turn on the system unit.  
 
Legends of LED status: ●: Lighting, ○: Not lighting, ▲ x : Blinking x LED count, Δ:Slow blinking  
For any other LED status than the above, contact the maintenance personnel.  
 
 
 
 
•
 
•
 
•
 
Tip 
R
TX
RX 
 
PORT 0 
LED (yellow) 
LED
reen
 
PORT 1