AIR-LAP1510AG-A-K9: EMC Test Report No: EDCS - 467665 FCC ID: LDK102058
AIR-LAP1510AG-A-K9: EMC Test Report No: EDCS - 467665 FCC ID: LDK102058
AIR-LAP1510AG-A-K9
Cisco Systems
EMC Laboratory
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Section 1: Overview
Test Summary
The samples were assessed against the tests detailed in section 3 under the requirements of the following
standards:
Emissions:
CFR47 Part 90.210
Notes:
1) Where a specification listed on the front cover of this report has deviations from the basic standards listed above,
the additional technical requirements of the specification were also assessed.
2) Where appropriate, Cisco may have substituted a later revision of a basic standard to those referenced in the
specification on the front sheet of this test report. This decision was based upon improved test methodology and
repeatability and/or where the newer revision represented a more stringent test.
3) Where relevant, testing has been carried out to the requirements of both EN and IEC Specifications. This was
possible because of the similarities of the test methods involved and the Cisco EMC test procedures.
4) For Radiated and Conducted emissions results refer to section 2.9 for measurement uncertainty considerations
5) Where applicable, details of the precise distance used when performing radiated immunity measurements can be
found in Cisco document EDCS-221012.
6) Where testing has been performed to EN61000-4-3, additional measurements were conducted to establish the
field strength at a 40cm height in both the horizontal and vertical antenna polarities (applies to floor standing
EUT's only). This field strength data can be found in Cisco document ENG-72588.
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2.1 General
This report contains an assessment of an apparatus against Electromagnetic Compatibility Standards based upon
tests carried out on the samples submitted.
This report must not be used to claim product certification, approval, or endorsement by A2LA, NIST, or any
agency of the federal Government.
This report may contain data that are not covered by the A2LA accreditation (Certificate number 1178-01).
Please refer to Appendix F for further details.
a) The results contained in this report relate only to the items tested and were obtained in the period between
the date of the initial assessment and the date of issue of the report. Manufactured products will not
necessarily give identical results due to production and measurement tolerances.
b) The apparatus was set up and exercised using the configuration and modes of operation
defined in this report only.
c) Where relevant, the apparatus was only assessed using the susceptibility criteria defined
in this report and the Test Assessment Plan (TAP).
d) All testing was performed under the following environmental conditions:
Temperature 15C to 35C (54F to 95F)
Atmospheric Pressure 860mbar to 1060mbar (25.4" to 31.3")
Humidity 10% to 75*%
*[Where applicable] For ESD testing the humidity limits used were 30% to 60% and for EFT/B tests the
humidity limits used were 25% to 75%.
e) All AC testing was performed at one or more of the following supply voltages:
110V (+/-10%) 60Hz
220V (+/-10%) 50 or 60Hz
f) Cisco Systems Inc., are accredited by the American Association for Laboratory Accreditation (A2LA). For
the specific scope of accreditation under certificate number 1178-01.see appendix F for further details.
This report must not be reproduced except in full, without written approval of Cisco Systems.
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10-July-2005
Cisco uses an electronic system to issue, store and control the revision of test reports. This system is called the
Engineering Document Control System (EDCS). The actual report issue date is embedded into the original file on
EDCS. Any copies of this report, either electronic or paper, that are not on EDCS must be considered uncontrolled
Testing Laboratory
Cisco Systems, Inc.,
170 West Tasman Drive
San Jose, CA 95134,
USA
Test Engineers
James Nicholson
The AIR-LAP1510AG-A-K9 access point operates simultaneously in both the 2.4 and either 4.9 or 5 GHz spectrum, to
provide data rates up to 54 Mbps in each band in accordance with IEEE 802.11a and 802.11g standards, including
backwards compatibility to 802.11b. AIR-LAP1510AG-x-K9 supports both inline power and local power. The AIR-
LAP1510AG-A-K9 utilized standard N type antenna connectors, and requires professional installation. The 4.9GHz
Channel Bandwidth is 20MHz.
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Tests have been performed in accordance with the relevant Test and Assessment Plan (TAP), a copy of which is
contained in Appendix H of this report, and the relevant Cisco EMC compliance test procedures (ENG-23438). This
test report may not cover all of the tests highlighted in the test plan.
The units of measurements defined in the appendices are reported in specific terms, these are test dependent.
Where radiated measurements are concerned these are defined at a particular distance. Basic voltage
measurements are defined in dBuV and current in dBuA.
Emission level [dBuV] = Indicated voltage level [dBuV] + Cable Loss [dB] + Other correction factors [dB]
The components of factors are dependent upon the exact test configurations [see test equipment lists for further
details] and may include:-
Antenna Factors, Pre Amplifier Gain, LISN Loss, Pulse Limiter Loss, Current Probe Factors.
Note: to convert the results from dBuV/m to uV/m use the following formula:-
Where relevant measurement uncertainty levels have been estimated for tests performed on the apparatus. This
uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a
coverage factor of k=2.
Radiated emissions (expanded uncertainty, confidence interval 95%)
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A product is considered to comply with a requirement if the nominal measured value is below the limit line. The
product is considered to not be in compliance in case the nominal measured value is above the limit line. For further
explanation refer to Cisco Systems Inc Measurement Uncertainty Document: ENG-4001 8
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Note: Each sample was evaluated to ensure that its condition was suitable to be used as a test sample prior to the
commencement of testing. Please also refer to the Justification for worst Case test Configuration section of this
report for further details on the selection of EUT samples.
3.1 Sample Details
Equipment Details
AIR-LAP1510AG-A-K9
AIR-ANT5175V-N 4.9GHz, 6.5dBi Omni-Directional
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Frequency (MHz) Data Rate (Mbps) Target Power (dBm) Measured Power (dBm)
4950 36 20 19.8
4980 36 20 19.6
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26dB Bandwidth
Frequency Data Rate 26dB Bandwidth
(MHz) (Mbps) (kHz)
4950 36 24,393
4980 36 25,048
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99% Bandwidth
Frequency Data Rate 99% Bandwidth
(MHz) (Mbps) (MHz)
4950 36 16.56
4980 36 16.52
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Frequency Stability
Frequency Stability over Temperature
The frequency stability shall be measured with variation of ambient temperature from -30[deg] to +50[deg]
centigrade. (Frequency variation listed in parts per million)
Frequency
(MHz) -35C -25C -15C -5C 5C 15C 25C 35C 45C 55C
4950 -0.1 0.69 1.47 2.26 2.07 1.87 1.68 3.99 6.30 8.61
4980 -0.1 0.69 1.47 2.26 2.07 1.87 1.68 3.99 6.30 8.61
Frequency
(MHz) 85Vac 276Vac
4950 2.19 2.68
4980 2.19 2.68
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Antenna
Antenna
Reading
Reading
Polarity
f (MHz)
Margin
(dBm)
(dBm)
(dBm)
Notes
Cable
Limit
Loss
EIRP
(dBi)
Gain
(dB)
(dB)
SG
SA
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Combine equations and rearrange the terms to express the distance as a function of the
remaining variables:
d=((30*P*G)/(3770*S))
Equation (1) and the measured peak power is used to calculate the MPE distance. Note that for
mobile or fixed location transmitters such as an access point, the minimum separation distance is
20 cm even if the calculations indicate that the MPE distance may be less.
S=1mW/cm^2 maximum. The highest 4.9GHz antenna gain supported is 6.5 dBi. Using the
peak power levels recorded in the test report along with Equation 1 above, the MPE distances
are calculated as follows.
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Peak
Power Transmit Antenna MPE
Frequency Bit Rate Density Power Gain Distance Limit Margin
(MHz) (Mbps) (mW/cm^2) (dBm) (dBi) (cm) (cm) (cm)
4950 36 1 20 6.5 5.96 20 14.04
4980 36 1 20 6.5 5.96 20 14.04
MPE Calculations
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8dBi 2.4GHz Omni-Directional Antenna with 7.5dBi 5GHz/6dBi 4.9GHz Omni-Directional Antenna
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http://www.a2la2.net/scopepdf/1178-01.pdf
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