ADC CRA-C - Manual (Page 18)

Install the Megabit Modem CRA-C
10 Megabit Modem CRA-C User Manual
Table 2. Front Panel LEDs
LED Mode Description
Power Green Indicates power is on.
10BASE-T
LINK Green
Off
Ethernet connection up.
Ethernet connection down.
TX Green
Off
Transmit activity at port.
No transmit activity at port.
COL Green
Off
Collisions occurring on the port.
No collisions occurring on the port.
ADSL
SYNC Solid green
Flashing green
Off
Normal operation.
Training in progress.
Megabit Modem CRA not synchronized with
Megabit Modem CRA-C.
STAT Solid green
Flashing green
Normal operation.
Test/Alarm condition exists.
MAR Solid green
Flashing green
Margin is above threshold.
Margin is below threshold.