Interlogix NS3550-8T-2S Installation Guide User Manual
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Copyright
© 2014 United Technologies Corporation, Inc.
Interlogix is part of UTC Building & Industrial Systems, a unit of 
United Technologies Corporation. All rights reserved. 
Trademarks and patents
The IFS NS3550-8T-2S and logo are trademarks of United 
Technologies. 
Other trade names used in this document may be trademarks or 
registered trademarks of the manufacturers or vendors of the 
respective products. 
Intended use
Use this product only for the purpose it was designed for; refer to the 
data sheet and user documentation for details. For the latest product 
information, contact your local supplier or visit us online at 
www.interlogix.com. 
Manufacturer
UTC Building & Industrial Systems, Inc. 
2955 Red Hill Avenue 
Costa Mesa, CA 92626-5923, USA 
EU authorized manufacturing representative: 
UTC Fire & Security B.V., Kelvinstraat 7, 
6003 DH Weert, The Netherlands 
Certification
N4131
FCC compliance
This equipment has been tested and found to comply with the limits 
for a Class A digital device, pursuant to part 15 of the FCC Rules. 
These limits are designed to provide reasonable protection against 
harmful interference when the equipment is operated in a 
commercial environment. This equipment generates, uses, and can 
radiate radio frequency energy and, if not installed and used in 
accordance with the instruction manual, may cause harmful 
interference to radio communications. 
You are cautioned that any changes or modifications not expressly 
approved by the party responsible for compliance could void the 
user's authority to operate the equipment. 
ACMA compliance
Notice! This is a Class A product. In a domestic environment this
product may cause radio interference in which case the user may be 
required to take adequate measures. 
Canada
This Class A digital apparatus complies with Canadian ICES-003. 
Cet appareil numérique de la classe A est conforme á la norme 
NMB-003du Canada. 
European Union directives
2004/108/EC (EMC Directive): Hereby,
UTC Building & Industrial
Systems, Inc.
declares that this device is in compliance with the
essential requirements and other relevant provisions of Directive 
2004/108/EC. 
2002/96/EC (WEEE directive):
Products marked with this symbol
cannot be disposed of as unsorted municipal waste in the European 
Union. For proper recycling, return this product to your local supplier 
upon the purchase of equivalent new equipment, or dispose of it at 
designated collection points. For more information see: 
www.recyclethis.info.
Contact information
For contact information see our Web site:
www.interlogix.com
.
Contact support
www.interlogix.com/customer support
