NCS Indicator Lights

Red LED - State

Flash period (ms)	Flash Interval	Status
4096	2 sec on - 2 sec off	Application is running and is idle.
512	256ms on - 256ms off	Application is running and is contacting the server for work order.
256	128ms on - 128ms off	Application is NOT running - boot loader is running and is waiting for commands from configurator.
128	64ms on - 64ms off	Application is running and is executing its work order.

Green LED - Link/Rx

Light Behavior	Flash Interval
Generally On	Ethernet Link Up
Off	Ethernet Link no detected
Blinks with receive activity

Yellow LED - DHCP/Tx

Flash period (ms)	Flash Interval	Status
256	128ms on - 128ms off	Attempting to acquire IP address by DHCP
Generally On	n/a	Using IP address acquired by DHCP
Generally Off	n/a	Using static IP address set in the unit configuration.
Blinks with transmit activity

Automatic firmware update is in progress - Repeating 2048ms sequence is:

• All off for 512ms
• Red only on for 512ms
• Green and Red on for 512ms
• Yellow, Green and Red on for 512ms

Request to set factory default configuration has been acknowledged (Unit has been powered up normally, then reset button depressed for more than five seconds). Repeating 512ms sequence is:

• All leds on for 64ms
• All leds off for 448ms

Power On Self Test (POST) failure

• All LEDs On, then...

Repeating sequence (Green and Yellow LEDs On), Red led flashes 'error code' times then Red LED off for half a second.

• Error code 4 = Configuration memory bad
• Error code 5 = Ram test failed