EVDO PC Embedded Datasheet

Product Datasheet
V001R006
Issue 2 (2009-01-20)
Confidencein Commercial
Page 38 of 60
5.2.1 Windows Drivers
Huawei provides windows drivers to support Windows 2000/XP/Vista.
Huawei provides the following two ways to install the drivers:
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The drivers are packed in the dashboard, and they will be installed during the
dashboard installation.
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The drivers are provided as an installer, which can be directly installed under
Windows 2000/XP/Vista.
After the drivers are installed, when the EM660 is connected to the USB bus, it will be
detected as a USB device and start enumerating. During this process, multiple
drivers are loaded. These drivers expose a number of virtual COM ports.
In Windows OSs, you can check the enumerated devices and their configuration in
the device manager. If you switch to View by connection, the device manager
displays the main USB device and interfaces, as shown in Figure 5-1, this figure is
just a sample, different products maybe add or remove some ports.
Figure 5-1 HUAWEI USB device and interfaces
The following interfaces and ports are supported by EM660:
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HUAWEI Mobile Connect – 3G Modem: used to set up a data connection.
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HUAWEI Mobile Connect – 3G Application Interface: used to write and read
diagnostics data.
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HUAWEI Mobile Connect – 3G PC UI Interface: used to send AT commands and
read their responses.
5.2.2 Linux Drivers
The EM660 can be used in the Linux OS that the kernel version is 2.6.18 or later. If
the kernel is a standard one, it means that the kernel is not customized and the driver