Chapter 7 ___________________________________________________________ Troubleshooting
VAISALA______________________________________________________________________ 217
10. To send the AT commands manually, the command interface of the
modem can be directly accessed. To control the modem directly,
open the service connection to the QML logger. With AWS330, the
device is connected to the second DSI486 communication port at
the module place MOD1, type open DSI486_0_1. To terminate this
operation, type close. While the direct connection to the modem or
sensor is open, any automatic operation through the connected port
is blocked.
11. It is impossible to have default parameters that would work
everywhere with all the different network infrastructures. If the
default parameters do not seem to work, try to find out the correct
parameters by establishing a manual connection between the
weather station and the data collection system. Do this by, for
example, using a PC terminal program. Also note that the default
parameters are seldom optimal, for example, in minimizing the
connection time.
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