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Linux EVDO script

 
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sailwind
EVDO Newbie


Joined: 27 Mar 2008
Posts: 4
PostPosted: Thu Mar 27, 2008 4:10 pm    Post subject: Linux EVDO script Reply with quote
Is there a way to periodically send AT commands to the USB modem once PPP connection has been established? I'm currently using pppd with connect/disconnect chat scripts.

What I'm looking for is a way to periodically query the signal strength with the AT+CSQ on the U727 card. I can issue the AT command when connecting, but would like to monitor it.

Thx
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kurtg
EVDO Newbie


Joined: 12 Jan 2006
Posts: 9
PostPosted: Tue May 13, 2008 8:07 am    Post subject: Reply with quote
I believe you can get this from the second channel. You should have two devices:

ttyUSB0
ttyUSB1

0 is used for your PPP connection. 1 can be used to monitor signal strength among other things.
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