Intermec 9189, User Manual

Page: 28 / 52

9189 900 MHz RF Gateway User’s Manual
1-20
Entering Command Strings
There are three ways to send command strings to the gateway. Use the method
that best suits the situation.
Entering commands from the host The host application can send command
strings directly to any gateway in the radio frequency data collection (RFDC)
network. Since the host cannot perform the initial configuration of a gateway,
you can only use this method after the gateway is functional within the
network. By using group addressing, the host can configure more than one
gateway at a time.
Keying in commands If the gateway is connected to a device with a keypad,
such as a TRAKKER 944X, you can enter command strings directly from the
keypad.
Scanning in commands To set parameters one at a time, use the bar codes listed
on the following pages. Some of the commands using variable data values
require scanning more than one bar code.
Note: Before using a reader to configure the gateway, ensure that the Preamble A,
Preamble B, and Postamble C buffers are clear. Failure to clear these buffers before
configuration will cause the gateway to report an error.
Scan this label to clear the buffers:
Clear Preamble A, Preamble B, Postamble C
*+.+++%*
*+.+++%*
For example, scanning the labels for setting the RFNC/BRU Address places the
gateway in Accumulate mode and enters the Enter Configuration and
RFNC/BRU Address commands. You need to scan two numeric labels from
the Full ASCII chart in Appendix A that correspond to the desired RFNC/BRU
Address. The reader is taken out of Configuration and Accumulate modes. The
complete command string is transmitted to the gateway.
Hint: To make the configuration process quick and consistent, print a single
bar code label that contains all the software configuration parameters. This
allows all parameters to be set with a single scan. If possible, affix this label to
the side of the gateway so it is always available.