Examining A Typical Bft Session - Intermec Janus 2020 User Manual

JANUS 2020 Hand-Held Computer User's Manual

Examining a Typical BFT Session

A typical BFT session, with the host computer acting as the client and the
JANUS reader acting as the server, includes these activities:
• The host computer and readers are connected with a CrossBar or
• The operator starts a BFT-ready PSK application on the reader and either
• From the host computer, an administrator starts the Data Collection
• The PSK application on the reader accepts the Prepare for Reboot
• The host computer sends a Reboot command to the reader or readers. The
• The host computer can begin sending commands to the FTA:
• When the FTA terminates, the reader executes the command identified by
6-46
900 MHz RF network.
continues working or stops working.
Note: A BFT-ready PSK application has been programmed to accept the host's
Prepare for Reboot command, call a Prepare for Reboot PSK function, and notify the
PSK library and host computer when the reader is ready to be rebooted. For help
creating BFT-ready PSK applications, see your JANUS PSK reference manual.
Manager (DCM) or Interface Software (IS) application that manages the
BFT process. This application sends a Prepare for Reboot command to a
single reader or a group of readers.
command, optionally performs housekeeping tasks (such as closing files),
and sends a Ready for Reboot message to the host. This ensures that the
host computer has received all data queued in the controllers, as well as
indicates that the reader is ready to be rebooted.
reader reboots, and a command in AUTOEXEC.BAT starts FTSERVER.BAT
if there is a copy of FTSERVER.BAT on drive C.
FTSERVER.BAT starts the file transfer application (FTA.EXE). If FTA
detects that a host computer rebooted the reader to initiate a BFT session,
FTA continues running. Otherwise, it terminates.
• The host computer may transfer binary files to and from the reader.
• The host computer may update the reader's drive C with a 512K image.
• The host computer may set the IM_APPLICATION DOS environment
variable to an application on the reader that will be run when the FTA
terminates.
the IM_APPLICATION DOS environment variable.
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