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wXa-203, wXa-213, wXa-223
6.6.1.3. RS-232 NMEA Device
When using a NMEA device with Serial Port connection, a USB to Serial Adapter (PL-
2303HX) is required to connect the device to the Optimizer.
CAUTION: The PL-2303 is the only USB to Serial Adapter that is compatible with
the Optimizer.
The Optimizer will broadcast the GPS signal both over Ethernet and Wi-Fi, so you can
connect your computer either way in order to establish a successful connection with
your destination software.
NOTE: If your satellite device requires a USB connection to the Optimizer (for example,
an Iridium 9555) you can use a 2-port USB hub (either 1.0 or 2.0) plugged into the
Optimizer's USB port to accommodate two USB devices.
For those users without a Serial Port Connector
Some NMEA devices do not have a serial port; instead, they have a group of wires
extending from the back or bottom of the unit. These devices require proper wiring to a
serial port.
As the Optimizer does not transmit, it only repeats the data, you will only need two of
the wires. The Receive (RD) wire goes to pin 2 and the Ground (SG) wire goes to pin 5.
A simple solution is to use a terminal block as shown here. Simply connect the RD wire
to pin2 and the SG wire to pin 5. Then connect the terminal block to the PL-2302 USB
to serial adapter.
Optimizer
v2.2.1
43
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