User guide

GX400 HSPA+ User Guide
30 2140712
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.
LED operation is as follows:
• Off - No activity
• Green - Full function
• Yellow - Limited Function
• Red - Not functional
• Blinking - Where needed, blinking is used to indicate altered functionality.
Figure 3-7: AirLink GX400 Indicator lights
•Network LED:
· Green - On the network
· Flashing Green - Roaming
· Yellow - Found service, attempting to connect
· Flashing Yellow - Link down
· Red - No data connection available.
• Signal LED - 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.
· Green - Good signal
· Yellow - Marginal signal
· Red - Bad signal
· Flashing Red - No signal.
•Activity LED - Pulse green on packet transmit/receive on radio link.
Otherwise, LED is off.
•Power LED:
· 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.
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 release the button.