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Connection
INSYS GPRS 5.1 serial
42
5.4.2
PPP authentification type
To adjust the authentification type to the one used by the PPP client of the appli-
cation, the INSYS GPRS 5.1 serial offers two possibilities:
No authentification
PAP authentification
AT^SGAUTH=0
AT^SGAUTH=1
According to the APN, PPP authentication is required. The necessary information
can be obtained from the customer service center of your provider.
5.4.3
GPRS connection setup
Modem-compatible GPRS connection setup
When dialing this special number, the GPRS
service is activated.
ATD*99***<cid>#
If a PDP context (
AT+CGDCONT
) is defined,
such as: the PDP context no. 1, the
AT
com-
mand will be
ATD*99***1#
The successfully established connection is indicated by the control signal DCD and
the message
CONNECT
.
After the GPRS connection has been successfully established, the protocol stacks
of the application can start: First the PPP session is started, and then it can be
used for TCP/IP data traffic.
5.4.4
GPRS connection termination
Connections can be terminated as follows:
Manual termination using the
ATH
command in online command mode
By DTR drop (for the setting
AT&D2
)
After switching from data mode to online
mode, the connection will remain estab-
lished. However, data is no longer transmit-
ted to the remote terminal. The online
command mode is also entered by DTR drop
(setting
AT&D1
) or by activating the reset
input twice within 10 seconds.
Hang up (terminate connection to the other
party)
+++
ATH
The connection was terminated
OK
Содержание GPRS 5.1
Страница 1: ...INSYS GPRS 5 1 serial Manual...
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Страница 64: ...Functions INSYS GPRS 5 1 serial 64 Configuration of the first device...
Страница 65: ...INSYS GPRS 5 1 serial Functions 65 Configuration of the second device...
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