ZyXEL Communications Corporation NWD670 Manuel D’Utilisation

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ZyXEL Communications Corp. 
 
Proprietary & Confidential Information 
Specifications are subject to change without notice 
ii  
Federal Communication Commission 
Interference Statement 
This equipment has been tested and found to comply with the limits for a Class 
B digital device, pursuant to Part 15 of the FCC Rules. These limits are 
designed to provide reasonable protection against harmful interference in a 
residential installation. This equipment generates, uses and can radiate radio 
frequency energy and, if not installed and used in accordance with the 
instructions, may cause harmful interference to radio communications. 
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 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 connected. 
- Consult the dealer or an experienced radio/TV technician for help. 
 
(15.21) 
 Warning:  Changes or modifications to this unit not expressly approved by the 
party responsible for compliance could void the user authority to operate the 
equipment.  
 
15.19 (a)(3) 
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two 
conditions:  (1) this device may not cause harmful interference, and (2) this device must accept 
any interference received, including interference that may cause undesired operation. 
 
The users manual or instruction manual for an intentional or unintentional radiator shall 
caution the user that changes or modifications not expressly approved by the party 
responsible for compliance could void the user’s authority to operate the equipment. 
 
 
CAUTION: 
1. To comply with FCC RF exposure compliance requirements, a separation distance of at 
least 20 cm must be maintained between the antenna of this device and all persons.  
2. This Transmitter must not be co-located or operating in conjunction with any other antenna 
or transmitter.  
 
CAUTION: 
This device is intended only for OEM integrators under the following conditions: