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User Guide
v2.1 May.04 39
7
7: Technical Specifications
• LED operation
• Radio frequency and
electrical
specifications
• Environmental
specifications
This chapter describes the function of the LED, and provides
technical product data for the AirCard 580 wireless modem .
LED operation
The AirCard 580 has a single red/green LED on the antenna
end of the card. The LED operates as follows:
Table 7-1: LED operation
LED Behavior Indicates
Slow flashing
green
A signal has been acquired.
Fast flashing
green
The AirCard has established a connection
and is transferring data.
Blinking red There is no signal.
Solid red An error has occured.