Led Operation - Sierra Wireless AirLink GX400 User Manual

AirLink GX400
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LED Operation

Four LEDs are visible from the front and top of the AirLink GX400. Labeled (from
left to right) Network, Signal, Activity, and Power, each LED can display one of
three colors: green, yellow, or red.
Caution: If you need to reset the device configuration using the reset
button, hold the button depressed until the LEDs start cycling yellow,
and then the button may be released.
LED operation is as follows:
• Off - No activity
• Green - Full function
• Yellow - Limited Function
• Red - Not functional.
Figure 3-7: AirLink GX400 Indicator lights
• Network:
· Green - On the network
· Flashing Green - Roaming
· Yellow - Found service, attempting to connect
· Flashing Yellow - Link down
· Red - No data connection available.
• Signal - Light shows the strength of the signal and may be nearly solid
(strong signal) or flashing (weaker signal). A slow flash indicates a very weak
signal.
• Activity - Pulse green on packet transmit/receive on radio link.
• Power:
· Off - No power (or above 36V or below 7.5V)
· Red - System not operational
· Green - Normal operation
· Green, Occasional Yellow - GPS Lock
· Yellow - Low power mode or system booting.
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