RF Communication Problems
If the RF link device and the printer are not communicating, try each of these suggestions to correct the problem.
♦Change or recharge the terminal’s battery.
♦Have your System Administrator ensure that the following communication parameters are set on both the terminal and the printer:
−8 data bits
−No parity
−9600 baud
−1 stop bit
−DTR flow control (on the printer) RTS/CTS flow control (on the terminal).
NOTE: The application on the terminal should be written with the parameters built in.
♦
♦Move the modules closer than three meters apart.
♦Move the RF link device and printer around to find the best relative position between the two.
♦Swap in new devices (printer or RF link device) to narrow the problem down to a particular device.
♦Make sure no other RF devices are within the
Operating Instructions 7
