User Manual

REVIEW DRAFT—CISCO CONFIDENTIAL
2-44
Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide
OL-12632-03
Chapter 2 Mounting Instructions
Installing the Access Point in Hazardous Locations
Ta b l e 4 Interpreting the Hazardous Compliance Label
Label Marking Description
Class I, Division 2,
Groups A, B, C, D
Defines the environment in which the access point can be used:
• Class I—Environment containing flammable gases, vapors, or
liquids
• Division 2—Environmental classification used by the U.S. and
Canada
• Groups A, B, C, D—Gas identification for the U.S. and
Canada:
– A—Acetylene
– B—Hydrogen
– C—Ethylene
– D—Propane
Class I, Zone 2, Group II Classification for Europe and the rest of the world. Group II is a gas
group which includes IIA, IIB, IIC:
• IIA = propane
• IIB = ethylene
• IIC = acetylene & hydrogen
AEx nA II T5 Defines North American explosive atmospheres for the class and
division:
• Ex —Denote explosive atmosphere
• nA —Non-sparking
• II = group II as defined previously
• T5 = Temperature code < 100 degrees C, maximum surface
temperature
Ex nA II T5 This marking is the same as AEx line except it is for the IECEx
certification. IECEx certification is the international scheme for
explosive atmosphere.
-40 < Ta < 55C The operating temperature range for the access point in all
countries.
Type 4, IP67 Defines the enclosure’s 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, protected
against the effects of temporary immersion in water.
CSA Certificate 1945576 CSA certification number