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T-Mobile High-Speed Internet Gateway Operator
Manual
Nokia 3TG-01275-AAAA-TCZZA Issue: DRAFT
 
However, there is no guarantee that interference will not occur in a particular 
installation. If this equipment does cause harmful interference to radio or television 
reception, which can be determined by turning the equipment off and on, the user is 
encouraged to try to correct the interference by one or more of the following 
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
• receiver is needed.
• Consult the dealer or an experienced radio/TV technician for help.
3.2.2 Equipment safety standard compliance
The T-Mobile High-Speed Internet Gateway complies with the requirements of: 
• UL 62368-1, Audio/Video, Information And Communication Technology 
Equipment - Part 1: Safety Requirements
• CSA C22.2#62368-1, Audio/Video, Information And Communication Technology 
Equipment - Part 1: Safety Requirements
3.3 Electrical safety guidelines
This section provides the electrical safety guidelines for the T-Mobile High-Speed 
Internet Gateway.
3.3.1 Power supplies
The use of any non-Nokia approved power supplies or power adapters is not 
supported or endorsed by Nokia. Such use will void any warranty or support contract 
with Nokia. Such use greatly increases the danger of damage to equipment or 
property.
Note —  The T-Mobile High-Speed Internet Gateway complies 
with the U.S. National Electrical Code. However, local electrical 
authorities have jurisdiction when there are differences 
between the local and U.S. standards.