Preparing The Device And Host Computer For Bft - Intermec Janus 2050 User Manual

JANUS 2050 Vehicle-Mount Computer User's Manual

Preparing the Device and Host Computer for BFT

To take advantage of BFT, you must set up your device, host computer, and
network as described in this checklist:
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Make sure the host computer and devices are connected through a CrossBar
or 900 MHz RF network.
To use BFT in a CrossBar network, you must use the Multi-Drop
communications protocol. You cannot, for example, use the User-Defined
or Polling Mode D communications protocols.
If you use Multi-Drop with BFT, do not set the baud rate higher than
9600 bps.
BFT transmits packets larger than 30 bytes to the device. If you set the baud
rate to 19.2 bps, the device cannot handle large incoming packets at that
speed. An error condition develops: the communications application times
out or waits indefinitely on a receive request, and the 9154 Multi-Drop Line
Controller's fault light turns on.
If you are using a 9180 Network Controller or 9154 Multi-Drop Line
Controller, find out the version of the controller's firmware. You may need
to modify the controller's asynchronous host computer parameters if the
controller has an older version of firmware:
9180 If the 9180 firmware version is 2.1 or greater, you do not have to
adjust the configuration to support BFT. However, if the version is less than
2.1, you must change the asynchronous host computer parameters to 8 data
bits, rather than the default 7 data bits.
9154 If the 9154 firmware version is 2.6 or greater, you do not have to
adjust the configuration to support BFT. However, if the version is less than
2.5, you must change the asynchronous host computer parameters to 8 data
bits, rather than the default 7 data bits.
Note: Intermec does not recommend using Binary File Transfer (BFT) to transfer
large files in a CrossBar network with a 9154 Multi-Drop Line Controller.
You can contact your Intermec service representative to learn how to order
a firmware upgrade for the 9180 and 9154.
The 9161 Multi-Drop and Port Concentrators do not support BFT.
Create a DCM or IS application that will run on the host computer and
communicate with the FTA on the device. For help creating this application,
read your DCM or IS documentation.
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