Full Text Searchable PDF User Manual
Mobile Broadband USB Modem
Quick Start Guide
Setup for Windows
For Windows® 2000, XP, Vista, Window 7 users only, Mac users please read
“Setup for Mac Users”
Before connecting your PC or laptop to your service provider for Mobile Broadband Data Service, you
must first install the Connection Manager software on your PC or laptop.
1. Insert the CDU-685A Modem into the USB port of your desk top or laptop computer. This
will automatically start the installation and install the required drivers and Connection
Manager Software. The following window will be displayed.
2. When the dialog box appears
to start the software installation.
to install the software into the default destination. To install to a different
folder click ‘
’ and select a destination folder.
– If this is the first time you install the Connection Manager
Software, please select both Device Driver and Mobile Broadband software. Then click
Click ‘Install’ to continue installation
6. Wait for installation to complete
7. When installatio
n is complete, click ‘Finish’
Starting a Data Session
1. Insert the CDU-685A modem into the USB port. Double-click the
Connection Manager (CM) Software icon
on your Windows
desktop to launch the software. The di
splay on will show ‘
start a data session. The CM Window will display ‘
To minimize the CM Window, click the
button, the icon:
will appear in the System Tray
on the right side of the Task Bar. To display the CM Window again, click the icon:
3. Once connection is established, the CM Window will display
If data transfer is
active, the circulating arrows
in the display will be illuminated. The modem will enter the
dormant mode to conserve power if the modem is in idle for some time.
Note : If Windows XP service pack 2 is installed in your computer, you must disable the firewall in
Window Security Center. Connection will fail if the Firewall is turned on. To access Windows Security
Center, right click on the Red Shield icon in the System Tray.
Ending a Data Session
To end a Data Session, Click the '
button on the CM window. The Modem will proceed to
disconnect the modem from the network.
When the modem is disconnected from the network, ‘
will be displayed on the
CM Window. You can close the CM window by clicking
, it is now safe to remove the
modem from your computer.
Setup for Mac
Insert your CDU-685A USB modem into any available USB port, and wait for the USB device icon
to appear on your desktop. Click on the icon to open the USB storage, and select
the Mac (Macintosh) directory. Double-click on the “C-motech Modem Installer Vxxxx.pkg” file
Double-click on the “C-motech Modem Installer Vxxxx” package to install your Connection Manager,
a series of installation windows will pop up and guide you through the process.
The software installation will start after you click „
in the above window and click
in the next window. When done, the Mac will prompt you to restart your computer to
finish your installation.
Activating CDU-685A USB Modem
After successful software Installation and reboot, the Mac will now be able to detect the modem.
When detected, the modem icon
will be displayed on the taskbar at the upper right corner of
your monitor. The Automatic Activation Wizard will initiate activation of the modem.
If Automatic Activation is successful, the modem will be ready for used.
Launching the Connection Manager
Insert your USB Modem into any available USB port. After the USB device is detected by the Mac,
the modem icon
will be displayed on the taskbar at the upper right corner
on your desktop, indicating that the Connection Manager is launched and ready to connect.
If this is the first time you have inserted the modem into that USB slot or you used other USB slots
before this, your device will have to be confirmed and configured. You only need to click the
button to proceed on the above window pop-up, and enter your Mac password when
Note: If your modem has been activated for service, please skip to “Starting a Data Session”.
Starting a Data Session
(Network page), Check the “Show modem status in menu bar” then you
can find a modem icon on the menu bar.
Insert your device into any available USB port. Wait for the modem to search for data service in
your area. When service is found, you will see the signal bars appear next to the modem icon
on the menu bar. If the signal is low or does not exist at all, try a different
location, preferably near a window or in a open space, to find the best signal condition in your area.
With the dots above the telephone icon
faded out indicating that the modem is not
connected yet, click on
to expand the menu and select
to start a Data Session.
Mac will attempt to connect to the Mobile Broadband Data Service, and the dots above the
telephone will be turned on and off showing the connecting progress. To have word
” scrolling across on the menu bar
, go under
check “Show status when connecting”. When service is established, the dots will turn solid
indicating a data session is in service. To have your connection time displayed
on the menu bar icon, go under
and check “Show time connected”.
Ending a Data Session
To end the data session, click the Signal icon
. The modem is now
disconnected and ready to re-connect.