User Manual Part 2

User Guide to Q4000/QPRO
Document Number 1135-4713 Rev G
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7 Configuration parameters
There are a number of parameters that may be configured as part of the modem’s foundation
code. These parameters control logging, auto-roaming, baud rates, satellite network operations,
SMTP and POP addressing, and other modem functions.
Configuration parameters in the Q4000/QPRO are associated with numbers 0x00 through 0xFF.
ORBCOMM has reserved numbers 0x00 through 0x7F for their network parameters, leaving the
remainder (0x80 – 0xFF) for QUAKE-specific parameters.
In general, the foundation configuration parameters should be left at their default values, as these
are appropriate for the majority of applications. If, however, it is necessary to modify them, this
can be done by using any of the methods described in Section 7.2.1. Once you have completed
your application development and testing, you may opt to have any non-default settings pre-
programmed by QUAKE into any future modems you purchase.
7.1 Orbcomm-specific parameters
There are a number of ORBCOMM-specific parameters between 0x00 through 0x7F. For
example, the ORBCOMM ob_route parameter 0x0A) determines whether outbound (OB)
messages and commands are routed to:
• the application – set to 0
• the MTS serial port - set to 1
• both – set to 2.
By setting ob_route to 1, the modem acts as a standard ORBCOMM modem, i.e. with no built-
in application. By setting ob_route to 0, the application will receive all outbound messages,
commands, and message acknowledgements. By leaving ob_route set at the default value of
2, both the application and the MTS port will receive any outbound messages.
The complete list of ORBCOMM parameters is shown in Appendix A. There are several ways to
modify the ORBCOMM configuration parameters. They can be modified via:
1. the MTS port using the ORBCOMM Serial Interface (OSI) protocol. See the ORBCOMM
Serial Interface Specification for more information.
2. a user application using the functions:
• CFG_setValOrb()
• CFG_getValOrb().
See the Q4000/QPRO API for more information on these functions.