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To make a direct connection to the logger, click the “Direct” option and from the
“Port” menu, select the port you wish to use.
For USB access (GL500U) select the USB serial port at the COM port the driver was
assigned, which is automatically shown in the list as “Global Logger USB Device”.
Serial connection (GL500S) is generally done using the serial cable provided with
the logger through the 9-pin COM1 connector at the back of the computer although
COM2 can also be used.
Next, select the desired baud rate from the “Baud Rate” menu. Generally, the
fastest rate of 115,200 is used although; long cables or other factors may require a
slower setting. Click “Connect” to make the connection. If a connection is not made,
an error message will appear. Check the battery, communication cable, driver
installation and COM port settings.
VIII.
Modem Connection (GL500S Only):
Access to the GL500S-2-1 can be made through dial-out to a remote modem by
clicking the “Modem” option. The connection from modem to logger requires an RS-
232 serial modem, USB modems are not supported as an interface to the logger;
therefore, the GL500U logger cannot be accessed by modem. Also, some switch
