H220 Integrator Guide Appendix A- FAQ Page A3
Support and Repair
How do I solve a problem I cannot isolate?
Hemisphere GNSS recommends contacting your HGNSS dealer first. With their experience with
this product, and other products from Hemisphere GNSS, they should be able to help isolate a
problem. If the issue is beyond the capability or experience of the dealer, Hemisphere GNSS
Technical Support is available from 8:00 AM to 5:00 PM Mountain Standard Time, Monday
through Friday.
See “Technical Support” for Technical Support contact information.
What if I cannot resolve a problem after trying to diagnose it myself?
Contact your dealer to see if they have any information that may help to solve the problem. They
may be able to provide some in-person assistance. If this is not viable or does not solve the
problem, Hemisphere GNSS Technical Support is available from 8:00 AM to 5:00 PM Mountain
Standard Time, Monday through Friday.
See “Technical Support” for Technical Support contact information.
Can I contact Hemisphere GNSS Technical Support directly regarding technical
problems?
Yes, however, Hemisphere GNSS recommends speaking to the dealer first as they are the local
support. They may be able to solve the problem quickly, due to their proximity and experience
with Hemisphere GNSS equipment.
Power, Communication, and Configuration
My H220 system does not appear to be communicating. What do I do?
This could be one of a few issues:
Examine the H220 cables and connectors for signs of damage or offset.
Ensure the H220 system is properly powered with the correct voltage.
Ensure there is a good connection to the power supply since it is required to terminate
the power input with the connector.
Check the documentation of the receiving device, if not a PC, to ensure the transmit line
from the H220 is connected to the receive line of the other device. Also, ensure the
signal grounds are connected.
If the H220 is connected to a custom or special device, ensure the serial connection to it
does not have any incompatible signal lines present that prevent proper communication.
Make sure the baud rate of the H220 matches the other device. The other device must
also support an 8-data bit, 1 stop bit, no parity port configuration (8-N-1). Some devices
support different settings that may be user configurable. Ensure the settings match.
Consult the troubleshooting section of the other device’s documentation to determine if
there may be a problem with the equipment.
Am I able to configure two serial ports with different baud rates?
Yes, all the ports are independent. For example, you may set one port to 4800 and another port
to 19200.
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