User guide

Raven EDGE/GPRS for Cingular - User Guide, version 2.31 41
Hardware Installation
Your Raven can be used with either DC (available in most automobiles) or 110 AC (standard US
wall power) with the appropriate power adapter (available from AirLink).
The power cable positive lead should be conn
ected to th
e battery or power source positive termi-
nal. The power cable negative lead should be connected to the battery or power source negative ter-
minal.
When your Raven is connected
to power
and an antenna, there is a specific pattern to the lights to
indicate its operation mode.
Note: When using a DC power source (such as a car battery or solar cell), AirLink
recommends placing a fuse (1-2 Amp) on the line close to the power source to pro-
tect your power source from possible surges du
e to shorts or other line issues.
Connecting the Raven to a computer or other device
Your Raven’s serial port can be connected directly to most computers or other devices using a
standard straight through cable. If you have a DCE device, you will need a null modem or null
modem cable.
Your Raven can also be connected to
a USB to serial device connected to a computer or other
device which does not have an available serial port but does have USB.
Raven Indicator Lights
FIGURE 2. Raven indicator lights
Tx (transmit) and Rx (receive) - Li
ghts will flash as data is transferred to and from the Raven on
the remote network.
RSSI(si
gnal level) -
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.
Reg (r
egistation) - Indicates
the Raven has acquired an IP from Cingular.
Chan (channel) - Indicates the modem has acquired a network channel.
Link -
Indicates a success
ful connection to the cellular network.
Pwr (power) - Indicates the power adapter is conn
ected and there is power getting to the modem.