Connecting To An Expansion Hub - Data Translation DT9837A User Manual

Chapter 2
3. For Windows Vista:
4. Repeat these steps to attach another DT9837 Series module to the host computer, if
Note: Once you have connected your module to the host computer, power is turned on to
the module when your application program opens the module. The LED on the module turns
green to indicate that power is turned on.
Power is turned off to the module when your application program terminates its connection
to the module.

Connecting to an Expansion Hub

Expansion hubs are powered by their own external power supply. The practical number of
DT9837 Series modules that you can connect to a single USB port depends on the throughput
you want to achieve.
To connect multiple DT9837 Series modules to an expansion hub, do the following:
1. Attach one end of the USB cable to the module and the other end of the USB cable to an
2. Connect the power supply for the expansion hub to an external power supply.
3. Connect the expansion hub to the USB port on the host computer using another USB
4. For Windows Vista:
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a. Click Locate and install driver software (recommended).
The popup message "Windows needs your permission to continue" appears.
b. Click Continue.
The Windows Security dialog box appears.
c. Click Install this driver software anyway.
Note: Windows 7 and Windows 8 find the device automatically.
desired.
expansion hub.
cable.
The operating system automatically detects the USB module and starts the Found New Hardware
wizard.
a. Click Locate and install driver software (recommended).
The popup message "Windows needs your permission to continue" appears.
b. Click Continue.
The Windows Security dialog box appears.
c. Click Install this driver software anyway.