Vaisala WAA151 Installation Manual Page 126

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Installation Manual __________________________________________________________________
124 __________________________________________________________________ M010114en-B
0202-018
Figure 123 QRB101 Wiring Diagram
QST101
The QST101 transmitter is connected to an RS-232 communication
port. It is recommended to install the DSU232 communication module
on the logger to keep the COM0 port free for service use. By default,
the DSU232 module is connected to the COM1 port.
1. Install the transmitter with the provided installation accessories
to the door of the enclosure.
2. Connect the internal antenna cable to the QST101 antenna
connector (3 in Figure 124 on page 125). The internal antenna
cable is the one inside the enclosure leading from the bottom
plate connector to the QST101 antenna connector.
3. Connect the internal and external cables as instructed in step a or
b below:
a. When the overvoltage protection device of antenna is
installed, connect the internal and external antenna cables
to the corresponding connectors of the overvoltage
protection device.
b. When overvoltage protection device of the antenna is not
installed, use the hole in the base plate for antenna
installation. Insert the provided washer to the internal
antenna cable's connector and then the connector to the
hole and tighten the bolt. Keep the connector in the center
of the hole to ensure proper connection between the rubber
washer and the gland plate. Connect the external antenna
cable. Tighten the external antenna cable to the bottom
plate connector by hand, do not use any tools.
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