Chapter 10: NMEA Module, Rev. 1.3
10.5.2 Configuring the NMEA Module
To configure the NMEA Module, complete the following steps:
1. Ensure that only 1 NMEA Module is connected at one time. ALL inputs must be
disconnected as each Module must be configured individually.
2. Disconnect power from the NMEA Module.
3. Ensure a crossover Ethernet cable is connected directly from the Module to the
technician PC (or DMM if configuring from the DMM).
4. Start the NMEA Module Config configuration utility.
5. In the Number of NMEA Channels section, select the radio button that corresponds to
the applicable Module (4 Channels, 8 Channels, or 4 Channel w/VHW) being
configured.
6. Choose the desired Baud Rate, Bits, and Parity for each port. Any channel not in use
should be left at its 4800-8-N1.
NOTE! If any of the input channels are set to a baud rate of 38,400, the RS232
and RS422 outputs will be disabled.
7. Press “Configure Module”.
NOTE! A warning will appear if a combined data input rate that is larger than the
data output rate is selected because this could potentially corrupt the data.
However, these settings can still be updated for proper data management. If
these settings are updated, the technician MUST verify that the data from the
RS232 and RS422 outputs are correct.
8. A message box appears: “Ensure that only ONE module is connected to the system”.
Click ‘OK’.
9. Apply power to the NMEA Module.
10. Once power is applied to the NMEA Module a reboot sequence will be displayed on the
LEDs:
If the NMEA Module is the 8-Channel or 4-Channel w/VHW version:
The last 5 LEDs will come on for 5 seconds and turn off. The first 3 LEDs will
flash 3 times to indicate successful programming.
If the NMEA Module is the 4-Channel version:
The first 4 LEDs will flash.
If the 3 LEDs (8-Ch or 4-Ch w/VHW) or 4 LEDs (4-Ch) stay on for the full duration of
the programming, OR the reset sequence, then the programming was unsuccessful. If
programming was unsuccessful cycle the power to the unit.
NOTE! While the NMEA Module is performing its reboot sequence, a series of
X’s will appear in the text window. Once the sequence is complete and the
programming starts, the X’s will be replaced by a series of dots (…….. ) to
indicate that programming is occurring correctly. The image below shows a
correct programming sequence. If the software is unable to connect, a series of
exclamation points will be visible in the text window.
VDR-100G3/G3S Installation Manual 15/01/2009
10-7
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