HARDWARE INSTALLATION
Required Accessories
2
Required Accessories
You will need to install a third-party serial port adapter on your Macintosh com-
puter in order to run WeatherLink for Mac OS X. The Keyspan USB Twin Serial
adapter has been tested with WeatherLink, but other serial adapters should also
work:
• USB-to-serial port adapter
Optional Accessories
The following optional accessories, designed for use with WeatherLink, are avail-
able from your dealer or may be ordered directly from Davis.
• Telephone Modem Adapter
Connects the data logger to a modem.
• Use adapter #6533 with Vantage Pro Stations.
• Use adapter #7870 with Wizard III, Monitor II, and Perception II stations.
• Standard 4-Conductor Extension Cable
Use one 40’ (12 m) extension cable (#7876-040) to extend the distance between
your station and the computer. (48’ (14.4 m) maximum)
Hardware Installation
You can connect a computer directly to your weather station using the Weather-
Link data logger (local connection), or you can connect a computer to a remote
weather station using a phone modem (remote connection). Requirements and
installation for each type of connection differ, and are explained separately below.
Hardware Requirements
The hardware requirements for local and remote connections are listed below.
Local Connection Hardware Requirements
In addition to the provided hardware, the following are required for a direct con-
nection.
• Macintosh computer running OS X v10.01 or newer with at least 5 MB of free
disk space
The amount of space necessary for the data files depends on the archive inter-
val. Database files containing data stored at a 30 minute archive interval
require approximately 36K of disk space per month of data. The file size
changes in a linear fashion depending on the archive interval. For example,
data stored at a 1–minute interval requires approximately 1 MB/month while
the data stored at a 2–hour interval requires approximately 9K/month.
• A serial port adapter connected to a Macintosh USB port.
WL OSX GSG D015.fm Page 2 Monday, August 19, 2002 9:51 AM
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