User Manual

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ISDN
USB
The device is to be connected to an identified USB port complying with the requirements of a Limited Power Source.
USB protective cap
In case the USB interface port is not used during operation, it must be covered by placing the included protective cap
on the USB interface port.
Overloading
Do not overload mains supply socket outlets and extension cords as this increases the risk of fire or electric shock.
Servicing
To reduce the risk of electric shock, do not disassemble this product. None of its internal parts are user-replaceable;
therefore, there is no reason to access the interior. Opening or removing covers may expose you to dangerous
voltages. Incorrect reassembly could cause electric shock if the appliance is subsequently used.
If service or repair work is required, take it to a qualified service dealer.
Damage requiring service
Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following
conditions:
> When the power supply or its plug are damaged.
> When the attached cords are damaged or frayed.
> If liquid has been spilled into the product.
> If the product has been exposed to rain or water.
> If the product does not operate normally.
> If the product has been dropped or damaged in any way.
> There are noticeable signs of overheating.
> If the product exhibits a distinct change in performance.
Immediately disconnect the product if you notice it giving off a smell of burning or smoke. Under no circumstances
must you open the equipment yourself; you run the risk of electrocution.
Regulatory Information
You must install and use this device in strict accordance with the manufacturer's instructions as described in the user
documentation that is included with your product.
Before you start installation or use of this product, carefully read the contents of this document for device specific
constraints or rules that may apply in the country where you want to use this product.
In some situations or environments, the use of wireless devices may be restricted by the proprietor of the building or
responsible representatives of the organization.
!
WARNING
For US and Canada: Do not use the ISDN port; do not attempt to connect this port to the network at
anytime.