Allied Telesis x950 Series Installation Manual page 58

Chapter 2: XEM2 Ethernet Line Cards
58
Table 23. Port Link and Activity Status LED on the XEM2-1CQ Line Card
State
Flashing Green
Off
Description
The transceiver is transmitting or receiving
data.
Possible causes of this state are listed
here:
- The transceiver slot is empty.
- The transceiver has not established a
link to a network device.
- The LEDs are turned off. To turn on the
LEDs, use the eco-friendly button.