Determining Hardware Status
5-8
SmartEdge 1200 Router Hardware Guide
Table 5-7 lists the facility LEDs for the ATM cards, each of which indicates the state of a port.
Figure 5-3
LEDs on ATM Cards
Table 5-7
Facility LEDs on ATM Cards
Label
Activity
Color
Description
LINK
On
Green
Signal is present and within specifications.
Blinking
Green
Signal is present and within specifications; receiving or transmitting packets (not
idle cells).
Off
None
Port is not configured, no signal is present, or signal is not within specifications.
LOC
On
Yellow
Local port is in an alarm state, such as a loss of frame (LOF).
Off
None
Local port is in a normal state.
REM
On
Yellow
Remote port cannot obtain synchronization, or has a defect or failure, such as an
alarm indication signal (AIS).
Off
None
Remote port is in a normal state.
