On Tue, 2008-10-21 at 11:03 +0300, Tambet Ingo wrote:
> On Tue, Oct 21, 2008 at 10:47 AM, Craig Main <[EMAIL PROTECTED]> wrote:
> > I am having a similar issue on my Dell Latitude E6500 which has a Broadcom
> > 5530 buildin hsdpa minicard. This device gives an ERROR when sent an ATZ
> > command. Using a chat script or wvdial with a cusomized wvdial.conf file
> > which leaves out the ATZ command, the modem works flawlessly. When using
> > NetworkManager however it does not. Here is the trace from NetworkManager
> > DEBUG:
> >
> > NetworkManager: <info> Activation (ttyACM0) starting connection 'Vodacom'
> > NetworkManager: <info> (ttyACM0): device state change: 3 -> 4
> > NetworkManager: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare)
> > scheduled...
> > NetworkManager: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare)
> > started...
> > NetworkManager: <debug> [1224572376.061516] nm_serial_device_open():
> > (ttyACM0) opening device...
> > NetworkManager: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare)
> > complete.
> > NetworkManager: <debug> [1224572376.169089] nm_serial_debug(): Sending: 'ATZ
> > E0 V1 X4 &C1 +FCLASS=0
> > '
> > NetworkManager: <debug> [1224572376.196931] nm_serial_debug(): Got: 'ATZ E0
> > V1 X4 &C1 +FCLASS=0
> > '
> > NetworkManager: <debug> [1224572376.246578] nm_serial_debug(): Got: 'ATZ E0
> > V1 X4 &C1 +FCLASS=0
> >
> >
> > ERROR
> >
> > '
>
> The init string has more commands than (AT)Z (reset): It turns off
> echo (E0), sets verbose mode (V1) etc... Can you try to send only
> "ATZ" and "ATZ E0 V1" to your modem (using minicom or kermit or
> wvdial) and see if that works? Or if it's specifically "Z" command
> that doesn't work, does this command work: "ATE1 V1 X4 &C1 +FCLASS=0"
> ? I've seen a device which doesn't like "+FCLASS" command.
>
--Minicom Trace--
Welcome to minicom 2.3
OPTIONS: I18n
Compiled on May 3 2008, 10:44:23.
Port /dev/ttyACM0
Press CTRL-A Z for help on special keys
AT S7=45 S0=0 L1 V1 X4 &c1 E1 Q0
OK
atz
ERROR
ATE1 V1 X4 &C1 +FCLASS=0
OK
ATZ E0 V1
ERROR
--End Trace--
On a slightly related note, this modem also requires that the RF circuit
gets turned on with AT+CFUN=1
Thanks
Craig
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