Grandstream Networks HT-286 User manual

Note: The test report is speciallylimited to the use of the above client companyand the
product model. It maynot be duplicated without prior written consent of BayArea
Compliance LaboratoryCorporation. This report must not be used bythe client to
claimproduct endorsement byNVLAP or anyagencyof the U.S. Government
FCC PART 15 CLASS B
EMI MEASUREMENT AND TEST REPORT
For
GrandstreamNetworks,Inc.
5th Floor, R2-A Building, South District of Hi-Tech Industrial Park, Shenzhen, P. R. China, P. C. 518057
Model: HT-286
November 7, 2003
This Report Concerns:
Original Report
Equipment Type:
HT-286 Line Adapter
Test Engineer: JandySu
Report Number: RSZ03101401
Test Date: November 7, 2003
Reviewed By:
Prepared By: BayArea Compliance Lab Corp. ShenZhen
Suite C, 41-D Electronics Science & Technology Building,
No. 2070 ShennanzhongRd ShenZhen,
Guandong518031, P.R. China
Tel: [phone]
Fax: [phone]
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 2 of 24 FCC Part 15 Class B Doc Report
TABLE OF CONTENTS
1 - GENERAL INFORMATION.................................................................................................................................4
1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT)..............................................................................4
1.2 OBJECTIVE ............................................................................................................................................................4
1.3 RELATED SUBMITTAL(S)/GRANT(S)......................................................................................................................4
1.4 TEST METHODOLOGY............................................................................................................................................4
1.5 TEST FACILITY......................................................................................................................................................4
1.6 TEST EQUIPMENT LIST ..........................................................................................................................................5
1.7 HOST SYSTEM CONFIGURATION LISTAND DETAILS .............................................................................................5
1.8 LOCAL SUPPORT EQUIPMENT LISTAND DETAILS..................................................................................................6
1.9 EXTERNAL I/O CABLING.......................................................................................................................................6
2 - SYSTEMTEST CONFIGURATION....................................................................................................................7
2.1 JUSTIFICATION ......................................................................................................................................................7
2.2 EUTEXERCISE SOFTWARE ...................................................................................................................................7
2.3 SPECIAL ACCESSORIES..........................................................................................................................................7
2.4 BLOCK DIAGRAM..................................................................................................................................................7
2.5 EQUIPMENT MODIFICATIONS ................................................................................................................................7
2.6 CONFIGURATION OF TEST SYSTEM........................................................................................................................8
2.7 TEST SETUP BLOCK DIAGRAM ..............................................................................................................................8
3 - CONDUCTED EMISSIONS TEST DATA...........................................................................................................9
3.1 MEASUREMENT UNCERTAINTY.............................................................................................................................9
3.2 EUTSETUP...........................................................................................................................................................9
3.3 SPECTRUM ANALYZER SETUP ...............................................................................................................................9
3.4 TEST PROCEDURE..................................................................................................................................................9
3.5 CONDUCTED EMISSIONS TEST DATA...................................................................................................................10
3.6 TEST RESULT ......................................................................................................................................................10
3.7 PLOT(S)OF CONDUCTED EMISSIONS TEST DATA ................................................................................................11
4 - RADIATED EMISSION DATA...........................................................................................................................13
4.1 MEASUREMENT UNCERTAINTY...........................................................................................................................13
4.2 EUTSETUP.........................................................................................................................................................13
4.3 SPECTRUM ANALYZER SETUP .............................................................................................................................13
4.4 TEST PROCEDURE................................................................................................................................................14
4.5 CORRECTED AMPLITUDE & MARGIN CALCULATION ..........................................................................................14
4.6 RADIATED EMISSIONS TEST RESULT...................................................................................................................14
4.7 TEST RESULT.......................................................................................................................................................14
APPENDIX A - FCC PRODUCT LABELING AND WARNING STATEMENT...............................................15
PROPOSED FCC LABEL FORMAT...............................................................................................................................15
LOCATION OF LABELON EUT...................................................................................................................................15
FCC WARNING STATEMENT.....................................................................................................................................15
APPENDIX B - TEST SETUP PHOTOGRAPHS...................................................................................................16
TELEPHONE CONDUCTED EMISSION - FRONT VIEW .................................................................................................16
CONDUCTED EMISSION - SIDE VIEW.........................................................................................................................16
TELEPHONE CONDUCTED EMISSION - FRONT VIEW .................................................................................................17
TELEPHONE CONDUCTED EMISSION - SIDE VIEW .....................................................................................................17
RADIATED EMISSION - FRONT VIEW.........................................................................................................................18
MODE: RADIATED EMISSION -REAR VIEW...............................................................................................................18
APPENDIX C - EUT PHOTOGRAPHS..................................................................................................................19
EUT- FRONT VIEW (1).............................................................................................................................................19
EUT- REAR VIEW (2)...............................................................................................................................................19
EUT- FRONT VIEW (3).............................................................................................................................................20
EUT- REAR VIEW (4)...............................................................................................................................................20
EUT– UNCOVERED VIEW ........................................................................................................................................21
EUT– PCB VIEW (1)...............................................................................................................................................21
EUT– PCB VIEW (2)...............................................................................................................................................22
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 3 of 24 FCC Part 15 Class B Doc Report
EUT– COMPONENT VIEW........................................................................................................................................22
APPENDIX D – BLOCK DIAGRAM/SCHEMATICS/PARTS LIST...................................................................23
APPENDIX E – USER MANUAL.............................................................................................................................24
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 4 of 24 FCC Part 15 Class B Doc Report
1 - GENERAL INFORMATION
1.1 Product Description for Equipment Under Test (EUT)
The Grandstream Networks,Inc. ’s product, model HT-286 or the "EUT" as referred to in this report is a
HT-286 Line Adapter which measures approximately9.5cmL x 6.5cmW x 2.5cmH, rated input voltage:
AC 120V /60Hz..
The Adaptor Model: OH-1048A05015004, input voltage: 100~240VAC, 50/60Hz300mA; output voltage:
5V DC, 1.5A.
* The test data was only good for the test sample. It may have deviation for other test sample.
1.2 Objective
The followingtest report is prepared on behalf of Grandstream Networks,Inc. in accordance with Part 2,
Subpart J, and Part 15, Subparts B of the Federal Communication Commissions rules.
The objective of the manufacturer is to demonstrate compliance with FCC Part 15 Class B limits for
Information Technology Equipment.
1.3 Related Submittal(s)/Grant(s)
No related submittal(s).
1.4 Test Methodology
All measurements contained in this report were conducted with ANSIC63.4-2001, American National
Standard for Methods of Measurement of Radio-Noise Emissions fromLow-Voltage Electrical and
Electronic Equipment in the range of 9 kHzto 40 GHz.
All radiated and conducted emissions measurement was performed at BayArea Compliance Laboratory
Corporation. The radiated testingwas performed at an antenna-to-EUT distance of 3 meters.
1.5 Test Facility
The open Area Test site used byBayArea Compliance LaboratoryCorporation to collect radiated
electromagnetic disturbance and disturbance voltage measurement data is located in the No. 3 building
JingHua Courtyard, ShennanzhongRd ShenZhen, Guandong518031, P.R. C, Xinmiao District, Wuhou
Avenue, Chengdu City, Sichuan Province, P. R. C, and 230 Commercial Street, Sunnyvale, CA 94085
USA.
Test site at BayArea Compliance LaboratoryCorporation has been fullydescribed in reports submitted to
the Federal Communication Commission (FCC) and VoluntaryControl Council for Interference (VCCI).
The details of these reports has been found to be in compliance with the requirements of Section 2.948 of
the FCC Rules on February11 and December 10, 1997 and Article 8 of the VCCIregulations on
December 25, 1997. The facilityalso complies with the radiated and AC line conducted test site criteria
set forth in ANSIC63.4-2001.
The Federal Communications Commission and VoluntaryControl Council for Interference has the reports
on file and is listed under FCC file 31040/SIT 1400F2 and VCCIRegistration No.: C-1298 and R-1234.
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 5 of 24 FCC Part 15 Class B Doc Report
The test site has been approved bythe FCC and VCCIfor public use and is listed in the FCC Public
Access Link(PAL) database.
Additionally, BayArea Compliance LaboratoryCorporation is a National Institute of Standards and
Technology (NIST) accredited laboratory, under the National VoluntaryLaboratoryAccredited Program
(NVLAP). The scope of the accreditation covers the FCC Method -47 CFR Part 15 -Digital Devices,
IEC/CISPR 22: 1998, and AS/NZS 3548: Electromagnetic Interference -Limits and Methods of
measurement of Information Technology Equipment test methods under NVLAP Lab Code 200167-0.
1.6 Test Equipment List
Manufacturer Description Model Serial
Number Cal. Due Date
R/S SpectrumAnalyzer FSEM30 849720/019 08/05/2004
HP Amplifier 8447D 2944A09795 09/05/2004
ETS LogPeriodic
Antenna 3146 9603-4421 08/05/2004
ETS Biconical Antenna 3110B 3360 08/05/2004
Solar
Electronics LISN TYPE 8012-50-R-24- BNC 21162 09/05/2004
Solar
Electronics LISN TYPE 8012-50-R-25- BNC 21163 08/05/2004
COM Power LISN LI-200 12208 09/05/2004
COM Power LISN LI-200 12005 09/05/2004
FCC AbsorbingClamp F-201-23mm 90 10/05/2004
HP SpectrumAnalyzer 8568B 2517A01610 10/05/2004
HP SpectrumAnalyzer
DisplayUnit 8568B 2517A10039
10/05/2004
HP Quasi-PeakAdapter 8565A 3107A01572 10/05/2004
* Statement ofTraceability: BayArea Compliance LaboratoryCorp. certifies that all calibration has
Been performed using suitable standards traceable to the NATIONAL INSTITUTE OF STANDARDS
AND TECHNOLOGY (NIST)
1.7 Host SystemConfiguration List and Details
Manufacturer Description Model Serial Number FCC ID
Seagate Hard Drive ST 320410A 5FG2TFAX DOC
Sony 3.5'' Floppy
Drive FDD-MPF920-E72930348 DOC
LEGEND Motherboard MS-6395 N/A DOC
TELTA SPS DPS-145PB-111F Lup0219016447C DOC
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 6 of 24 FCC Part 15 Class B Doc Report
1.8 Local Support Equipment List and Details
1.9 External I/O Cabling
Cable Description Length (M) From/Port To
Unshielded power Cable with cord 1.6 Power EUT
LAN Cable 1.5 EUT Customer encloser
Manufacturer Description Model Serial Number FCC ID
BBK Telephone BK-8137 N/A DOC
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 7 of 24 FCC Part 15 Class B Doc Report
2 - SYSTEM TEST CONFIGURATION
2.1 Justification
The systemwas configured for testingin a typical fashion (as normallyused bya typical user).
2.2 EUT Exercise Software
The EUT exercisingprogramused duringradiated and conducted testingwas designed to exercise the
various systemcomponents in a manner similar to a typical use. The software offered bymanufacture, can
let the EUT beingnormal operation.
2.3 Special Accessories
As shown in section 2.6, interface cable used for compliance testingis shielded as normallysupplied by
Grandstream Networks,Inc., and its respective support equipment manufacturers.
2.4 Block Diagram
Please refer to the Appendix D.
2.5 Equipment Modifications
No modifications were made byBACL to ensure EUT to complywith the applicable limits and
requirements.
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 8 of 24 FCC Part 15 Class B Doc Report
2.6 Configuration of Test System
2.7 Test Setup Block Diagram
Customer enclouse
Telephone
1.0 Meter
Power Cable
LAN Cable
LISN
EUT
10cm
1.5 Meter
EUT
Telephone
Customer
enclouse
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 9 of 24 FCC Part 15 Class B Doc Report
3 - CONDUCTED EMISSIONS TEST DATA
3.1 Measurement Uncertainty
All measurements involve certain levels of uncertainties, especiallyin field of EMC. The factors
contributingto uncertainties are spectrumanalyzer, cable loss, and LISN.
Based on NIS 81, The Treatment of Uncertaintyin EMC Measurements, the best estimate of the
uncertaintyof anyconducted emissions measurement at BACL is +2.4 dB.
3.2 EUT Setup
The setup of EUT is according with per ANSI C63.4-2001 measurement procedure. Specification used was
with the FCC Part 15 Class B limits.
The EUT was placed on the center of the backedge on the test table, the Telephone was placed on the left
side, The Customer enclourse was placed on the right side.
The external I/O cables were draped alongthe test table and formed a bundle 30 to 40 cmlongin the
middle.
The spacingbetween the peripherals was 10 cm.
3.3 SpectrumAnalyzer Setup
The spectrumanalyzer was set with the followingconfigurations:
Start Frequency...............................................................................150 KHz
Stop Frequency...............................................................................30 MHz
Sweep Speed...................................................................................Auto
IF Bandwidth..................................................................................100 KHz
Video Bandwidth............................................................................10 KHz
Resolution Bandwidth………………………..……………………10 KHz
Quasi-Peak Adapter Bandwidth......................................................9 KHz
Quasi-Peak Adapter Mode..............................................................Normal
3.4 Test Procedure
Duringthe conducted emission test, the host PC systempower cord was connected to the auxiliaryoutlet
of the first LISN with the monitor and all other support equipment power cords connected to the auxiliary
outlet of the second LISN. Maximizingprocedure was performed on the six (6) highest emissions to
ensure EUT compliance usingall installation combination.
All data was recorded in the peakdetection mode. Quasi-peakreadings were onlyperformed when an
emission was found to be marginal (within -4 dBµV of specification limits). Quasi-peakreadings are
distinguished with a "Qp" or “AV”.
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 10 of 24 FCC Part 15 Class B Doc Report
3.5 Conducted Emissions Test Data
Date of Test :
November 7, 2003 Temperature
:
25
EUT :
HT-286 Line Adapter Humidity
:
70
M/N :
HT-286 OperatingMode
:
running
S/N : N/A Test Engineer: JandySu
LINE CONDUCTED EMISSIONS FCC PART 15 CLASS B
Frequency Amplitude Detector Phase Limit Margin
MHz dBµVQP/AV/Peak Line/Neutral dBµVdB
0.39 54.07 QP Line 58.06 -3.99
0.39 42.19 AV Line 48.06 -5.87
0.99 40.12 AV Neutral 46.00 -5.88
0.99 49.08 QP Neutral 56.00 -6.92
0.15 58.73 QP Line 66.00 -7.27
0.15 57.32 QP Neutral 66.00 -8.68
0.15 47.23 AV Neutral 56.00 -8.77
0.15 47.13 AV Line 56.00 -8.87
2.96 35.46 AV Neutral 46.00 -10.54
2.96 35.13 AV Line 46.00 -10.87
2.96 43.82 QP Line 56.00 -12.18
2.96 43.67 QP Neutral 56.00 -12.33
Date of Test :
November 7, 2003 Temperature
:
25
EUT :
HT-286 Line Adapter Humidity
:
70
M/N :
HT-286 OperatingMode
:
running
S/N : N/A Test Engineer: JandySu
LINE CONDUCTED EMISSIONS FCC PART 15 CLASS B
Frequency Amplitude Detector Phase Limit Margin
MHz dBµVQP/AV/Peak Line/Neutral dBµVdB
1.23 10.3 QP LAN cable 30 -19.7
2.60 9.0 QP LAN cable 30 -21.0
1.23 8.2 AV LAN cable 30 -21.8
0.15 17.0 QP LAN cable 40 -23.0
2.60 6.3 AV LAN cable 30 -23.7
0.15 11.4 AV LAN cable 40 -28.6
3.6 Test Result
PASS
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 11 of 24 FCC Part 15 Class B Doc Report
3.7 Plot(s) of Conducted Emissions Test Data
Plot(s) of Conducted Emissions Test Data is presented hereinafter as reference.
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 12 of 24 FCC Part 15 Class B Doc Report
LAN cable:
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 13 of 24 FCC Part 15 Class B Doc Report
4 - RADIATED EMISSION DATA
4.1 Measurement Uncertainty
All measurements involve certain levels of uncertainties, especiallyin field of EMC. The factors
contributingto uncertainties are spectrumanalyzer, cable loss, antenna factor calibration, antenna
directivity, antenna factor variation with height, antenna phase center variation, antenna factor frequency
interpolation, measurement distance variation, site imperfections, mismatch (average), and system
repeatability.
Based on NIS 81, The Treatment of Uncertaintyin EMC Measurements, the best estimate of the
uncertaintyof a radiation emissions measurement at BACL is +4.0 dB.
4.2 EUT Setup
The radiated emission tests were performed in the open area 3-meter test site, usingthe setup accordance
with the ANSIC63.4 -2001. The specification used was the FCC Part 15 Class B limits.
The EUT was placed on the center of the backedge on the test table, the Telephone was placed on the left
side, The Customer enclourse was placed on the right side.
The external I/O cables were draped alongthe test table and formed a bundle 30 to 40 cmlongin the
middle.
The spacingbetween the peripherals was 10 cm.
4.3 SpectrumAnalyzer Setup
Accordingto FCC Rules, 47 CFR, Section 15.33, the systemwas tested from30 to 1000 MHz.
The spectrumanalyzer was set with the followingconfigurations duringthe radiated emission test:
Start Frequency...........................................................30 MHz
Stop Frequency............................................................1000 MHz
Sweep Speed...............................................................Auto
IF Bandwidth...............................................................100 KHz
Video Bandwidth.........................................................1 MHz
Quasi-Peak Adapter Bandwidth..................................120 KHz
Quasi-Peak Adapter Mode..........................................Normal
Resolution Bandwidth.................................................100 KHz
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 14 of 24 FCC Part 15 Class B Doc Report
4.4 Test Procedure
For the radiated emissions test, the host PC system, and all support equipment power cords was connected
to the AC floor outlet. Maximizingprocedure was performed on the highest emissions to ensure that the
EUT complied with all installation combinations.
All data was recorded in the peakdetection mode. Quasi-peakreadings performed onlywhen an emission
was found to be marginal (within -4 dBµV of specification limits), and are distinguished with a "Qp" in
the data table.
4.5 Corrected Amplitude & Margin Calculation
The Corrected Amplitude is calculated by adding the Antenna Factor and Cable Factor, and subtracting the
Amplifier Gain fromthe Amplitude reading. The basic equation is as follows:
Corr. Ampl. = Indicated Reading+ Antenna Factor + Cable Factor -Amplifier Gain
The “Margin”column of the followingdata tables indicates the degree of compliance with the applicable
limit. For example, a margin of -7dBµV means the emission is 7dBµV below the maximumlimit for Class
B. The equation for margin calculation is as follows:
Margin = Corr. Ampl. -FCC Class B Limit
4.6 Radiated Emissions Test Result
Date of Test :
November 7, 2003 Temperature
:
25
EUT :
HT-286 Line Adapter Humidity
:
70
M/N :
HT-286 OperatingMode
:
running
S/N : N/A Test Engineer: JandySu
INDICATED TABLE ANTENNA CORRECTION FACTOR C
ORRECTED
AMPLITUDE
FCC PART 15
CLASS B
Frequency Ampl. Angle Height Polar Antenna Cable Amp. Corr. Ampl. Limit Margin
MHz dBµV/m Degree Meter H/ V
dBµV/m
dB dB dBµV/m dBµV/m dB
196.89 44.8 45 1 v 14.4 1.2 25 35.4 43.5 -8.1
196.89 52.21 270 1 h 14.4 1.2 28 39.8 43.5 -3.7
180.21 47.09 60 1.2 v 13.6 1.0 25 36.7 43.5 -6.8
180.21 45.87 180 1.2 h 13.6 1.0 27 33.5 43.5 -10.0
49.16 48.2 45 1 v 11.3 0.4 25 34.9 40 -5.1
49.16 48.78 45 1 h 11.3 0.4 26 34.5 40 -5.5
60.01 48.66 45 1 v 9.7 0.4 25 33.8 40 -6.2
60.01 47.55 180 1.2 h 9.7 0.4 25 32.7 40 -7.4
80.01 47.59 180 1.2 v 9.6 0.6 25 32.8 40 -7.2
80.01 48.78 180 1.2 h 9.6 0.6 25 34.0 40 -6.0
4.7 Test Result
PASS
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 15 of 24 FCC Part 15 Class B Doc Report
APPENDIX A - FCC PRODUCT LABELING AND WARNING
STATEMENT
Proposed FCC Label Format
Specifications: Text is Blackor white in color and is left justified. Labels are printed in indelible inkon
permanent adhesive backingor silk-screened onto the EUT or shall be affixed at a
conspicuous location on the EUT.
Location of Label on EUT
Rear View of EUT FCC Label Location
FCC Warning Statement
The FCC labels should contain FCC statement in FCC 15 .19 paragraph (3). If the EUT is too small, the
statement could contain in the product manual. A sample of the statement is presented hereinafter as
reference.
“This device complies with part 15 of theFCC Rules.Operation is subject to thefollowingtwoconditions:
(1) This device maynot cause harmful interference, and (2) this device must accept anyinterference
received, includinginterference that maycause undesired operation.
For Home or Office Use
For Homeor Office Use
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 16 of 24 FCC Part 15 Class B Doc Report
APPENDIX B - TEST SETUP PHOTOGRAPHS
Telephone Conducted Emission - Front View
Conducted Emission - Side View
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 17 of 24 FCC Part 15 Class B Doc Report
Telephone Conducted Emission - Front View
Telephone Conducted Emission - Side View
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 18 of 24 FCC Part 15 Class B Doc Report
Radiated Emission - Front View
Mode: Radiated Emission - Rear View
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 19 of 24 FCC Part 15 Class B Doc Report
APPENDIX C - EUT PHOTOGRAPHS
EUT - Front View (1)
EUT - Rear View (2)
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GrandstreamNetworks,Inc. Model: HT-286
Report # RSZ03101401 Page 20 of 24 FCC Part 15 Class B Doc Report
EUT - Front View (3)
EUT - Rear View (4)
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