MDS 05-2806A01, Rev. A MDS
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NET 900 User’s Guide v
OPERATIONAL & SAFETY NOTICES
Professional installation required. The radio equipment described in this guide emits radio
frequency energy. Although the power level is low, the concentrated energy from a direc-
tional antenna may pose a health hazard. Do not allow people to come closer than two
meters (6.5 feet) to the antenna when the transmitter is operating. More information on RF
exposure is available at www.fcc.gov/oet/info/documents/bulletins.
Pending Approval: FM/UL/CSA Notice
This product is available for use in Class 1, Division 2, Groups A, B, C & D Hazardous Locations. Such locations are defined in
Article 500 of the National Fire Protection Association (NFPA) publication NFPA 70, otherwise known as the National Electrical
Code.
The MDS
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NET 900 has been recognized for use in these hazardous locations by three independent agencies —Underwriters Lab-
oratories (UL), Factory Mutual Research Corporation (FMRC) and the Canadian Standards Association (CSA). The UL certifica-
tion for the transceiver is as a Recognized Component for use in these hazardous locations, in accordance with UL Standard 1604.
The FMRC Approval is in accordance with FMRC Standard 3611. The CSA Certification is in accordance with CSA STD C22.2
No. 213-M1987.
Pending Approval: FM/UL/CSA Conditions of Approval
The MDS
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NET 900 is not acceptable as a stand-alone unit for use in the hazardous locations described above. It must either be
mounted within another piece of equipment, which is certified for hazardous locations, or installed within guidelines, or conditions
of approval, as set forth by the approving agencies. These conditions of approval are as follows:
1. The MDS
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NET 900 unit must be mounted within a separate enclosure that is suitable for the intended application.
2. The antenna feedline, DC power cable and interface cable must be routed through conduit in accordance with the National
Electrical Code.
3. Installation, operation and maintenance of the MDS
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NET 900 unit should be in accordance with the transceiver's installation
manual, and the National Electrical Code.
4. Tampering or replacement with non-factory components may adversely affect the safe use of the MDS
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NET 900 unit in haz-
ardous locations, and may void the approval.
Do not disconnect equipment unless power has been switched off or the area is known to
be non-hazardous.
Refer to Articles 500 through 502 of the National Electrical Code (NFPA 70) for further
information on hazardous locations and approved Division 2 wiring methods.
FCC Notice, U.S.A.
The 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 undes-
ired operation.
This device is specifically designed to be used under Section 15.247 of the FCC Rules and Regulations. Any unauthorized modifi-
cation or changes to this device without the express approval of Microwave Data Systems may void the user’s authority to operate
this device.
Furthermore, this device must be installed by a professional in accordance with the instructions outlined in this manual. Failure to
comply with these instructions may also void the user’s authority to operate this device.
RF Exposure
EXPLOSION
HAZARD!
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