Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) - Manual (Page 753)

APPENDIXES
Technical Appendixes
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WM_DEV_OAT_UGD_049 - 001 APPENDIXES August 23, 2007
3.1.1.3 Fast Standby Mode
In this mode, SIM device and GSM/GPRS features like GSM voice or data call, SMS,
GPRS data transfer are not available. The embedded application is running and the
serial port remains active (AT commands are available). If any data has to be
transmitted over the network, this mode has to be turned off.
To switch the Wireless CPU ® to this mode use "AT+WBHV=1,1" command. The
Wireless CPU ® must be restarted in order to take the new behavior into account.
To disable this mode, use the "AT+WBHV=1,0" command and restart the Wireless
CPU ® .
3.1.1.4 Slow Standby Mode
This mode is a low power consumption mode. It combines Fast standby mode and
Slow idle mode in terms of feature availability.
In this mode, SIM device and GSM/GPRS features like GSM voice or data call, SMS,
GPRS data transfer are not available. In addition, the Wireless CPU ® has restricted
access to peripheral interfaces, thereby UARTs, USB, SPIs, I2C, GPIOs, ADCs and
Buzzer are not available.
In this mode, the Wireless CPU ® can automatically wake up on unsolicited events
such as:
• external interruption,
• key press,
• alarm,
• Open AT
® timer expiration.
During the wake up period, the Wireless CPU ® has the same characteristics as Fast
Standby mode in terms of power consumption and Open AT ® power processing.
The Wireless CPU ® automatically switches back to idle state after all Open AT ®
treatments.
To switch the Wireless CPU ® to this mode, use "AT+WBHV=1,2" command. The
Wireless CPU ® must be restarted in order to take the new behavior into account.
To disable this mode, use "AT+WBHV=1,0" command and restart.
3.1.1.5 GSM Connected Mode
Wireless CPU ® is in this mode during circuit switch voice or data call.
3.1.1.6 GPRS Transfer Mode
Wireless CPU ® is in this mode during packet data transmission.
3.1.1.7 Alarm Mode
This mode is a low power consumption mode. The only feature which is available in
this mode is the alarm wake up.