Intermec CN3 User Manual Page 107

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Chapter 3 — Configuring the Computer
CN3 Mobile Computer User’s Manual 93
Example
In the host application, you want to get the current values of two
configuration commands from the CN3. Send the CG$+NABV transaction
from the host application
where:
The computer returns the CgS+BV4 transaction to the host application:
Configuring the Computer in a UDP Plus Network
Use the host computer to configure a CN3 in your wireless network. To
send and receive configuration data or files, write a host application that
can communicate with an Intermec Application Server (IAS) formerly
Gateway or DCS 30X.
For help, see the appropriate Gateway or DCS 30X User’s Manual. Use the
Terminal Message Format (TMF) protocol to send and receive transactions
between the host application and the CN3.
To set up the IAS, configure a peer-to-peer destination name for the host
application. Create a $NGCFGRSP transaction ID that routes to this
destination name. The IAS uses the transaction ID to route responses from
the CN3 back to the host application. $NGCFGRSP is a special
transaction ID that the server uses to forward configuration response data
from a CN3.
All configuration responses are routed with the $NGCFGRSP transaction
ID. The IAS cannot track multiple applications sending reader or
configuration commands. If you have two host applications sending reader
or configuration commands, they must both be configured to receive the
$NGCFGRSP transactions, and receive all CN3 responses.
To set up the host computer, verify host computer-to-IAS communication.
To set up the application, prepare and write a host application that can
communicate with the IAS and send transactions to and receive
transactions from the CN3 in this format.
where:
Note: The transaction header is not shown in this example. You do not
need a transaction header for a host application in a TCP/IP network, but
you do for a UDP Plus network.
CG is a TMF Configuration Get request.
$+ is the Change Configuration reader command.
BV is the Beeper Volume configuration command.
Cg is a TMF Configuration Get response.
$+ is the Change Configuration reader command.
BV4 means the Beeper Volume configuration command is set to a value of 4, which is
a very high beeper volume.
transaction header TMF field commands
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