3. LEDs
LED Meanings
When power is first applied to the unit, it performs a
Table 3-1. Front Panel LEDs
LED | Color | State | Meaning |
|
|
|
|
Link* | Green | Off | No Ethernet link present. |
|
| On | Ethernet Link present. |
|
| Flashing | Ethernet link is present, but port is |
|
|
| administratively disabled. |
|
|
|
|
Activity* | Green | Off | No data is being transferred. |
|
| On | Data is being transferred. |
|
|
|
|
STATUS | Green | Off | No power, or the unit has not completed |
|
|
| initialization. |
|
| On | Unit has power and has completed initialization. |
|
|
|
|
ALARM | Amber | Off | No Alarms. |
|
| On | Unit failed |
|
|
| safe temperature, or a fan has failed. |
|
|
|
|
TEST | Amber | Off | Normal operating mode. |
|
| On | At least one port is in test mode. |
|
|
|
|
DSL Ports | Green | Off | The port is disabled or no signal is detected on |
(LEDs |
|
| the line. |
numbered |
| On | Port has successfully trained with the remote |
correspond to |
| ||
|
| and is active. | |
DSL ports |
|
| |
|
|
| |
|
|
|
|
*The three
January 2004 |