Omni Instruments Fastrack Supreme, User Manual

Page: 37 / 77

Fastrack Supreme User Guide
Using the FASTRACK Supreme Plug & Play
confidential © Page: 37 / 77
5.1.3 Check the communication with the FASTRACK Supreme
To check the communication with the FASTRACK Supreme, do the following operations:
•
Connect the RS232 link between the DTE (port COM) and the FASTRACK Supreme (DCE).
•
Configure the RS232 port of the DTE as follows:
ƒ
Bits per second:
115.200 bps
,
ƒ Data bits:
8
,
ƒ Parity:
None
,
ƒ Stop bits:
1
,
ƒ
Flow control:
hardware
.
•
Using a communication software such as a HyperTerminal, enter the
AT
↵
command. The
response of the FASTRACK Supreme must be
OK
displayed in the HyperTerminal window.
•
If the communication cannot be established with the FASTRACK Supreme, do the following:
ƒ Check the RS232 connection between the DTE and the FASTRACK Supreme
(DCE),
ƒ Check the configuration of the port COM used on the DTE.
•
Example of AT commands which can be used after getting started the FASTRACK Supreme:
ƒ
AT+CGMI
:
FASTRACK Supreme answer is "WAVECOM MODEM" when serial
link is OK.
ƒ
AT+CPIN=xxxx :
to enter a PIN code xxxx (if activated).
ƒ
AT+CSQ
: to verify the received signal strength.
ƒ
AT+CREG?
: to verify the registration of the FASTRACK Supreme Plug & Play on
the network.
ƒ
ATD<phone number>;
: to initiate a voice call.
ƒ
ATH
: to hang up (end of call).
For further information on these AT commands and their associated parameters, refer to "AT
Commands Interface Guide" [6].
5.1.4 Reset the FASTRACK Supreme
To reset the FASTRACK Supreme, a hardware reset signal is available on pin 14 of the Sub HD 15-pin
connector (RESET).
The FASTRACK Supreme reset is carried out when this pin is low for at least 200
μ
s.
Warning This signal has to be considered as an emergency reset only. For further details on the
FASTRACK Supreme reset, refer to Section 7.7.