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10 Overview
provider to make sure the options that you require are available (UMTS/HSPDA, GPRS/EDGE and
SMS).
Note:
Network operators often provide a number of connectivity options such as WAP and
Internet. These are accessed via different APNs (Access Point Names). Verify the services
that you require, such as Internet, e-mail or corporate VPN (Virtual Private Network) service
are available through your mobile operator and enabled on your subscription.
Connecting your MD400 to your PC
This section tells you about the different ways you can connect your MD400 to your PC.
• Direct connection
• Extension cable (provided)
• Via a powered hub
Note:
Your MD400 must be plugged into a USB port that is capable of supporting high power USB
devices. The MD400 is a USB 2.0 product, however it should work in the majority of USB 1.1
ports with possible reduced throughput. Refer to USB 1.1 and 2.0 on page 12 for more
information.
Direct connection
The MD400 can be plugged directly into a USB port as shown below. This configuration offers the
best portability.
Note:
To avoid damage to the MD400 or your laptop’s USB port, remove the MD400 before placing
your laptop into a carrying case.
Caution!
Some laptops have USB port positions that may conflict with operation. Use the included
extension cable if:
• The USB ports are close together and the modem covers an adjacent port that is needed.
• The modem can not be plugged in directly, e.g., the USB port is recessed and the USB
connector on the modem can not reach.