H-219x – Xylem H-2192 User Manual
Page 56
Voice data does not seem to be as expected:
1. The data being sent to the H-2191 is in a different order than what is expected. Check the
voice modem setup menu option to ensure the data to be sent to the H-2191 is defined
correctly and as expected.
2. The connected device is malfunctioning. The H-2191 just reports what it is given. If errors
exist in the data sent to the H-2191, the H-2191 will pass on this data including the errors as
it is not able to qualify the data. Test the device sending data to the H-2191.
Miscellaneous Problems:
1. The lack of a proper earth ground can result is several unexplained problems. Please make
sure the complete system is properly grounded.
! Double check that all the power cables are connected well.
! Low power can cause the modem to function abnormally or not at all.
! If the modem will not return to the low power mode make sure the device connected to the
serial port is turning off properly. When connected to a PC that is running a terminal
emulation program, the modem will stay on continuously.
Normally, a very high percentage of the problems can be related to power supply problems, bad or
incorrect wiring, or system options are not set up correctly. In most cases these problems can easily
be resolved. If a problem cannot be found easily call Design Analysis for technical assistance.
6-2 Maintenance and Trouble Shooting
H-219X