Table of Contents
Advertisement
8: Technical Specifications
• LED operation
• Radio frequency and
electrical
specifications
• Environmental
specifications
• Sending GSM
commands to the
network
Rev D Dec.03
This chapter describes the operation of the LED and provides
technical data for the755 wireless network card.
LED operation
The AirCard has a single LED
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 8-1: LED operation
LED state
How to interpret
Solid
The AirCard is powering up, or a firmware
a
amber
download is in progress.
Blinking
The AirCard is scanning for service.
amber
Blinking
The AirCard is in service and registered on the
green
network.
Solid green
A voice call is in progress.
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.
1. LED—
light emitting diode
1
located on the antenna end of
49
Advertisement
Table of Contents
