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3
Operation
General
The NET-PATH has four distinct software components: the Loader, Operating System
(OS), Application (App), and Database. These components are contained in non-
volatile flash memory and share a common file system. The following figure shows
these components.
Figure 3-1. Flash Memory Software Components
Flash memory storage capacity is 32 MB. The flash memory is non-volatile, which
means it retains the data when the power is off. The NET-PATH maintains a second
file system in SDRAM. This file system is used for general data storage. It retains
stored data only as long as commercial power or battery backup is available. SDRAM
is 128 MB.
The loader boots the NET-PATH and loads an application or Operating System (OS)
into SDRAM for execution. The OS software loads when the system does not have a
valid application. The OS controls all of the functions required to permit users access
to the NET-PATH and program it with an application and a database.
The application contains all operating software for the NET-PATH features. A license
key controls the enabled features. The application software requires a database. If the
application is loaded and no database is present, the NET-PATH uses a default
database. An NET-PATH that is in the default state (no application or no database)
offers the OS functions that enable the user to contact the unit and download the
application and/or database.
The database contains all of the configuration parameters, programmed by the user.
When the NET-PATH ships from the factory, it contains the operating system,
application program, and a default database. The default database provides many
basic power-on parameters used during the installation. The default database
parameters include, but are not limited to:
•
Host 1 and Host 2 are set to 9600, 8, N, 1. All others are disabled
•
physical sensors input not enabled
•
modem configured to auto-answer (North American modems only)
These parameters remain active until a new database downloads to the NET-PATH.
Loader
Operating System
File System
Application
Summary of Contents for SEB NET-PATH
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Page 18: ...Preface xii Notes ...
Page 24: ...Description and Specifications Page 1 6 Notes ...
Page 42: ...Installation Page 2 18 Notes ...
Page 58: ...Operation Page 3 16 Note ...
Page 80: ...Index I 4 Notes ...
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