Installation guide

7: Technical Specifications
• LED operation
• Radio frequency and
electrical
specifications
• Environmental
specifications
• Sending GSM
commands to the
network
This chapter describes the operation of the LED and provides
technical data for the AirCard 800 Series wireless network
card.
LED operation
The AirCard has a single LED (Light Emitting Diode) located
on the antenna end of the card beneath the SIM slot. The color
(red, green or amber) and state (off, on solid, or blinking) of the
LED indicate the connection status as follows:
Table 7-1: LED operation
LED state How to interpret
Solid
amber
a
The AirCard is powering up, or a firmware
download is in progress.
Blinking
amber
The AirCard is scanning for service.
Blinking
green
The AirCard is in service and registered on the
network.
Blinking red There is a hardware problem.
Off The AirCard is powered down.
a. The LED is red/green. The amber color occurs when both red and
green are lit.
Radio frequency and electrical
specifications
Table 7-2: Radio frequency & electrical
specifications
Compliance GSM Release 99
Rev 3.2 Sep.05 29