Device Status LEDs

The LED states shown in the following table are determined through user-configurable threshold values for the Cell LED Amber / Green light, and modem enabled / disabled information.

Status LEDs
LED Condition
	LED Off	Amber Flashing	Amber Solid	Green Flashing	Green solid
Power	Device is off.		On a dual power supply system: Only one PSU is connected.		On a single power supply system: The power is connected. On a dual power supply system: Redundant power is connected.
Heartbeat	Device has halted.	Device is booting.		Normal operation.	Device is halted.
Network	No active network connection	Device is failover starting.	Device is in failover.	Normal network connection is stopping, or normal network is up and failover is stopping.	Network is connected.
CM8100 ONLY
NET1	No active network connection	Network activity	Network link (any speed)	N/A	Network link 1G.
NET2	No active network connection	Network activity	Network link (any speed)	N/A	Network link 1G.
CM8100-10G ONLY
NET1	No active network connection	Network activity	Network link	Network activity 10G	Network link 10G.
NET2	No active network connection	Network activity	Network link	Network activity 10G	Network link 10G.
NET3	No active network connection	Network activity	Network link (any speed)	N/A	Network link 1G.
NET4	No active network connection	Network activity	Network link (any speed)	N/A	Network link 1G.
IOIO				Any serial activity is received, on either console/usb console or device serial ports.

For information on the setting of network and power alert thresholds, see:

• System Alerts - Networking (Connection Status)

• System Alerts - Power