Section 5. Stg Module: SMS - Storage Module Software
5-4
PC208W, Version 3.3, Instruction Manual
5.2.2 Establishing Communications
For storage modules, the first step is to establish communications between your
storage device and the computer. This involves selecting the correct
communication port and baud rate for the device being used from the SETUP
screen.
If you have a computer fitted with a correctly configured card reader you can
set it up for use with SMS. This is accomplished by going to the PC CARD
SETUP screen, and clicking the Setup PC Card button. When you click this
button you will be guided through the correct setup procedure and the optimum
software drivers will be used to establish communications (usually via socket
0).
The PC Card drivers are NOT set up automatically, and should
be set up as described above. Even if you are already using PC
Cards successfully with your PC, it is recommended that you
use the setup facility provided for use with SMS.
The following paragraphs in this section are applicable for Campbell
Scientific’s external Solid State Storage Modules.
Selecting a COM Port
For an externally connected storage device you can use one of your computer’s
Communication (COM) ports for connecting the storage module to the
computer. If you are not using COM1 for connection, you will need to select the
port being used by clicking on the appropriate checkbox in the Port Selection
box. This will be COM1 or COM2 for most computers, but SMS can use COM3
and COM4 if your computer is equipped with these.
The physical implementation of the COM port is hidden from the software.
The Windows environment provides a common interface via a COM port
driver, with which SMS communicates. Sometimes, however, you might have
a COM port which shares interrupts with other COM ports. This can be
checked by examining the “ Ports” (Settings/Advanced) setting in the
Windows Control Panel. A COM port sharing an interrupt with another device
can prevent Windows from performing high-speed communications using that
port. This shared interrupt problem would, therefore, also affect operation of
SMS.
If you appear to be experiencing communication problems when
using external modules, always check the COM ports setting in
the Windows Control Panel, using the “ Ports”
(Settings/Advanced) option, and check for any shared interrupts.
NOTE
NOTE
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