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Cisco Aironet 1552 Series for Hazardous Locations Installation Guide
Chapter 2 Before You Begin
Installation Guidelines
KOSHA Certificate Information (for Korean hazardous locations)
add in statements here when available
Installation Guidelines
Because the access point is a radio device, it is susceptible to common causes of interference that can
reduce throughput and range. Follow these basic guidelines to ensure the best possible performance:
• For information on planning and initially configuring your Cisco Mesh network, refer to the Cisco
Wireless Mesh Access Points, Design and Deployment Guide.
• Review the FCC guidelines for installing and operating outdoor wireless LAN devices at
http://www.cisco.com/en/US/partner/prod/collateral/routers/ps272/data_sheet_c78-647116_ps114
51_Products_Data_Sheet.html.
• Perform a site survey before beginning the installation.
• Install the access point in an area where structures, trees, or hills do not obstruct radio signals to and
from the access point.
Ex nA II T5 Defines parameters that the product complies with for U.S.
Certification:
• Ex —Denotes explosive atmosphere
• nA —Non-sparking
• II = Group II as defined previously
• T5 = Temperature code < 100 degrees C, maximum surface
temperature
CSA Certificate 1945576 Identifies the Canadian Standards Association (CSA) certificate
number.
SIRA 11ATEX4253 Identifies Sira ATEX certificate number.
-40 <
Ta < +55C The operating temperature range for the access point in all
countries.
Note Current safety certifications only include operation of this
outdoor equipment down to -40C.
Type 4, IP67 Defines the enclosure degree of protection (Type 4 = indoor or
outdoor use primarily to provide a degree of protection against
windblown dust and rain, splashing water, hose-directed water, and
damage from external ice formation. IP67 = Dust tight (dust, dirt,
sand, and so forth) and protected against powerful water jets. Also,
the unit can be immersed in water up to 1m for short periods of time
(30min).
Table 2-1 Interpreting the Hazardous Compliance Label (continued)
Label Text Description
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