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FCC ID: I88NETGEARRH348

Test Report

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FCCID_73105

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGE 348 Bidg. 17, 195—4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Report No. : CEW—8703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 1 of 17 ELECTROMAGNETIC INTERFERENCE TEST REPORT Company : ZyXEL COMMUNICATIONS CORPORATION. Address : NO.6,InnovationRd. II,Science—Based Industrial Park, HSin_C,hJ:lL Taiwan,L,&Q:C- Sample Name _‘ ISDN RouterHub Model : RH348 (for NETGEAR INC.) Date Received : MAR. 18, 1998 Date Tested _ MAR. 25, 1998 MEASUREMENT PORCEDURE USED : FCC RULES AND REGULATION PART 15 SUBPART B CLASS B OCTOBER 1996 AND ANSI C63.4 MAY 1992 WE HEREBY CERTIFY THAT: The measurements shown in the attachment were made in accordance with the procedures indicated, and the energy emitted by the equipment was found to be within the limits applicable. We assume full responsibility for the accuracy and completeness of these measurements and vouch for the qualifications of all persons taking them. Name Signature Date e y MA p y 9 P1 Testing Engineer C.F.WuwNVLAP Caugei/ za A"R 13) #"7 Approving Manager |Paul Y. Liau/NVLAP {Faus L T’ P 2 pr. /% radri ] Notes :‘ 1. This report will be invalid if duplicated or photocopied in part. 2. This report refers only to the specimen(s) submitted to testing, and be invalid as seperately used. 3. This report is invalid with out examination stamp and signature ofthis institute. 4. The tested specimen(s) will be preserved for thirty days from the date issued. 5. This is a NIST/NVLAP accrediated report but not constituted and eudorsed by U.S government.

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Repon No. : CEW—8§703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 2 of 17 TABLE OF CONTENTS TITLE ___ _ _ . PAGENO. TEST REPORT CERTIFICATION 1. GENERAL INFORMATION . 2 0 . 0 0 e0 0 9 00e¥ verveeeerevenneeenevnnnenrennasenernernevereneneeneeneraee es ververeanneseversereeonecessseveeneneennenee 3 1.1 DESCRIPTION OF EUT....2..2..0000 000 oeeererrerreerennenenerenrvnnmenmenmenmemenmcne 1.2 DESCRIPTION OF PERIPHERALS . . .0 0 0 0 0 eevververerennsennennennennencen 4 1.3 EUT & PERIPHERALS SETUP DIAGRAM 1..22020000000e00e00er0 0n rmerververerevrnnrene en en en en en en en en revververseveereerennrenennennens 7 1.4 EUT OPERATING CONDITION .sn 00000 en n meververene en vreerervernerenernernernernernrne enc rncrncon en mm cenvevvanneneeverereneeenee en en 8 1.5 DESCRIPTION OF TEST SITE a.20000000000000enenereemnrerereeereeveneernennenneneereereeereenrennennennennceeeveeeeeeee en rneenernsensinsenvennensencens 8 2. CONDUCTED POWERLINE TEST.................c.cacucl.. 9 2.1 TEST EQUIPMENTS:. 22000000 00e en en en rveereervernernennennerverrernnennennennennennenne nc enc en en ere en ceveeveererncenenernvensensevensennsenceneencenen 9 2.2 TEST SETUP .c ecencen ce en en reve en rraneaneanennennrencenveverververerenneneneen enc reeeeenrennenrennerneenecne ...9 2.3 CONDUCTED POWER LINE EMISSION LIMIT ner nearvn e netvrne nern v nre ne r env e 10 2.4 TEST PROCEDURE .. 10 2.5 UNCERTAINTY OF CONDUCTED EMISSION :2020 000000 e0 en en mm nnvnerverververververververeerneenereevenennrevenneensensensenmens 10 2.6 LINE CONDUCTED RF VOLTAGE MEASUREMENT 12.2..2..00000000000000en en en en en reeverververververneenereenrenerncenrennennennecnes 11 2.7 PHOTOS OF CONDUCTION TBEST cce n ceee enc en n enenenerrvenrnnenvarneneeneener en en en en nnennrnne nennennennennenererenveneencenee 12 3. RADIATED EMISSION TEST es es esi re ae rven varn vanera aeseeseevernevnenneneeneeinesvaneereancen 13 3.1 TEST EQUIPMENTS....2..0.000000en en en en ernereerererrennennennenne nc en envennerneveeverve en en cenvereerereeeeeeeeeeeeeeeeeenceereennenvenseneensenrrerenren 13 3.2 TEST SETUP .n en enenememmenmenmennenmeneeneeneeneecnmencenees 13 3.3 RADIATION LIMIT a2 0 0 0 re aner n cerane ne nev ne rcenv env en en 14 3.4 TEST PROCEDURE 2. nvennennennennevneveeverve en en en en en enennenrennenncecennennvncencens 14 3.5 UNCERTAINTY OF RADIATED EMISSION ..0.,.2.00000 0000000000 ereereererrreerrnnranrnnraneanennenerverevereenennerereereneneeecernenencens 14 3.6 RADIATED RF NOISE MEASUREMENT ......0020000000000000000000 0 errvvrevervrerrenrere n en en en en en en en evaveereereveevereeennennennenne 15 3.7 PHOTOS OF OPEN STTE .. ....0.00 00000000 en en en nneneennennennrveneneveeveeneennennennenne n nnennennennennenne n ennenncveeveeververerernerncen 16 3.7 PHOTOS OF OPEN SITE ... 002. e0 en en enememmmernvrververveennene n reeeeerervernernnennennennennennennennerneenveveneenneeneennennennenen en enc en 17

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Report No. : CEW—8703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 3 of 17 1. GENERAL INFORMATION 1.1 DESCRIPTION OF EUT MANUFACTURER : ZyXEL COMMUNICATIONS CORPORATION. SAMPLE NAME _‘ ISDN Router Hub MODEL NUMBER : RH348 SERIAL NO. 1 enconoccccccclee POWER SUPPLY : 120VAC/60Hz

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Report No. : CEW—8703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 4 of 1 7 1.2 DESCRIPTION OF PERIPHERALS (1) PC MODEL NUMBER _‘ NetServer LD Pro 6/180 SERIAL NUMBER : $G70100107 MANUFACTURER : HP CORP. F.CC ID kozcecee—.— POWER CORD : Unshielded , Detachable , 1.8m (2) MONITOR MODEL NUMBER _‘ JC—1404HMA SERIAL NUMBER _‘ 08D00346 MANUFACTURER © NEC CORP. F.C.C. ID : A3D5YRIC—1404HMA POWER CORD : Unshielded , Detachable , 1.8m (3) KEYBOARD PRODUCT NUMBER : C1405C#ABO SERIAL NUMBER :‘ 3625M60145 MANUFACTURER : HP CORP. F.C.C. ID : B94C1405X (4) PRINTER MODEL NUMBER : 5152—002 SERIAL NUMBER : 0754365 MANUFACTURER |IBM CORP. F.C.C. ID : BKM9A85152002 (5) TELEPHONE(Z sets) MODEL NUMBER _‘ RS—802F SERIAL NUMBER : ———————— MANUFACTURER | SWEETONE CORP. FCC ID pasaases>

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 See. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Report No. : CEW—8703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 5_ of 17 (6) PC MODEL NUMBER _‘ Vectra VE 5/133 series 3 SERIAL NUMBER _‘ $G72200521 MANUFACTURER :‘ HP CORP. FCC ID : BAVECTRAVE53 (7) MONITOR MODEL NUMBER _‘ 8515A01 SERIAL NUMBER ————————— MANUFACTURER :‘ IBM CORP. FCC ID : ANO8515—A01 (8) KEYBOARD MODEL NUMBER _‘ EO3633WLTW—C SERIAL NUMBER ——————— MANUFACTURER /‘ HP CORP. FCC ID : CIGEO3633 (9) PC MODEL NUMBER _‘ Vectra VE 5/133 series 3 SERIAL NUMBER : $G72200556 MANUFACTURER : HP CORP. FCC ID : BAVECTRAVE53 (10) MONITOR MODEL NUMBER _‘ JC—1571VMA—2 SERIAL NUMBER _‘ 6201162EA MANUFACTURER © NEC CORP. FCC ID : A3DJC—1571VMA—2 (11) KEYBOARD MODEL NUMBER _‘ EO3633WLTW—C SERIAL NUMBER —————————— MANUFACTURER :‘ HP CORP. FCC ID : CIGEO3633

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 See. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Repor[ No.: CEW—8703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 6_ of 17 (12) Fast Ether Pair MODEL NUMBER | EN1207—TX SERIAL NUMBER(1) : 633014578 SERIAL NUMBER(2) : 645017820 MANUFACTURER ‘ ACCTON CORP. FCC ID : HEDEN1207—TX (13) Cable NO. TYPE Connector Shielded Length A D Type RS232, metal Yes 1.8m B Uncrossiover RJ—11, plastic No 2m twisted—pair C Cross—over RJ—45, plastic No 2m twisted—pair D Uncross—over RJ—45, plastic No SOft twisted—pair

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Report No.: CEW—8703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 7 of 17 1.3 EUT & PERIPHERALS SETUP DIAGRAM NEC L@E | TELEPHONE |TELEPHON | | (5) ' (5) Tem mpreoyp |_®._| eur PRINTER 1@____| ! (4) \] I B (B) HPK/B(3) L l (C) [—Ttem wEe MONITOR (D (D) ’ MONITOR HP 4 —](2] PC(Q) HPK/B(8) HPK/B(11 The indicated numbers (1)(2)(A)(B)—————please refer to item 1.2.

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Report No. : CEW—8703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 8 __of 17 1.4 EUT OPERATING CONDITION 1. Powered on all equipments. 2. Run software "ACCTEST.EXE"to transmit data packets for two PC‘s back and forth. The rest of ports connected to corss—over wire each other to simulate real condition. 3. A D—type connector of EUT connected to HP PC(1), they would transmit data packets each other. 4. Repeated these procedure untill test OK. 1.5 DESCRIPTION OF TEST SITE SITE DESCRIPTION : FCC certificate NO. :31040/8IT DNV certificate NO. :510—96—1016 TUV certificate NO. : 19664582—9610 Lloyd‘s certificate NO. :LA003 BCIQ certificate NO. :SL2—IN—E—02 NVLAP Lab code : 200118—0 CNLA certificate NO. : CNLA—ZL97018 VCCI certificate NO. : R—629, C—650 NAME OF SITE : Electronics Research & Service Organization Industrial Technology Research Institute SITE LOCATION * K500, 195—4 , sec. 4, Chung Hsing Rd., Chu—Tung Chen. Hsin—Chu, Taiwan 31015 R.O.C.

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 See. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Taiwan,Republic Of China Report No. : CEW—8703—008 TEL : 886—3—5917069 FAX : 886—3—5825720 Page 9 of 17 2. CONDUCTED POWERLINE TEST 2.1 TEST EQUIPMENTS The following test equipments are used during the conducted powerline tests : MANUFACTURER OR TYPE MODEL No DATE OF CALIBRATION SPECTRUM ANALYZER & DISPLAY HP 8568 A MAR. 05, 1998 QUASI—PEAK ADAPTER HP 85650 A MAR. 05, 1998 ISOLATION TRANSFORMER SOLAR 7032—1 N/A LLS.N. EMCO 3850/2 MAR. 25, 1997 L.LS.N. EMCO 3850/2 MAR. 25, 1997 TEST RECEIVER R/S ESH3 MAR. 13, 1998 SHIELDED ROOM KEENE 5983 N/A 2.2 TEST SETUP POWERLINE of POWERLINE PERIPHERALS of EUT 120vAC i/ J/ 60Hz «<———| LLSN. LLS.N. ———> 120VAC 60Hz EUT & PERIPHERALS 120vAC 5z [isolate SPECTRUM ANALYZER < TRANSFORMER| _|/TEST RECEIVER

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 See. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Report No. : CEW—8703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 10 of 17 2.3 CONDUCTED POWER LINE EMISSION LIMIT FREQUENCY MAXIMUM RF LINE VOLTAGE (dB L V) (MHz) CLASS A CLASS B 0.45 — 1.705 60 48 1.705 — 30.0 69.5 48 2.4 TEST PROCEDURE The test procedure is performed in a 12ft X 12ft X 8ft(L x W X H) shielded room. the EUT along with its peripherals were placed on a 1.0m(W)X 1.5m(L) and 0.8m in height wooden table and the EUT was adjusted to maintain a 0.4 meter space from a vertical reference plane. The EUT was connected to power mains through a line impedance stabilization network (LISN) which provides 50 ohm coupling impedance for measuring instrument and the chasis ground was bounded to the horizontal ground plane of shielded room. All peripherals were connected to the second LISN and the chasis ground also bounded to the horizontal ground plane of shielded room. The excess power cable between the EUT and the LISN was bundled. The power cables of peripherals were unbundled. All connecting cables of EUT and peripherals were moved to find the maximum emission. 2.5 UNCERTAINTY OF CONDUCTED EMISSION The uncertainty of conducted emission is +1.36dB.

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Report No. : CEW—8703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 11 of 17 2.6 LINE CONDUCTED RF VOLTAGE MEASUREMENT The frequency spectrum from 0.45 MHz to 30 MHz was investigated. All emissions not reported below are more than 20 dB below the prescribed limits. All readings are Quasi—peak values. Temperature : °C Humidity : 56 %RH. FREQUENCY READING(dB L V) LIMITS (MHz) ONE END & GRD‘D THE OTHER END & GRD‘D (dB 4 V) 0.450 * * 48.0 0.604 32.91 33.41 48.0 0.686 33.12 * 48.0 5.005 32.21 33.31 48.0 6.557 41.03 * 48.0 6.627 * 39.43 48.0 11.317 37.95 * 48.0 13.267 40.06 * 48.0 13.337 * 38.46 48.0 20.056 * 48.98 48.0 20.162 45.98 * 48.0 30.00 * * 48.0 REMARKS : * Undetectable

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 See. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Repor[ No.: CEW—8703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 13 of 17 3. RADIATED EMISSION TEST 3.1 TEST EQUIPMENTS The following test equipments are utilized in making the measurements contained in this report. MANUFACTURER OR TYPE MODEL NO DATE OF CALIBRATION CHASE ANTENNA CBL6I11A MAY. 26, 1997 R/S TEST RECEIVER ESMI MAY. 22, 1997 ANECHOIC/SHIELDED ROOM KEENE 5981 N/A 3.2 TEST SETUP The diagram below shows the test setup which is utilized to make these measurements. 10m EUT & PERIPHERALS PERIPHERAL Antenna Elevation Variable

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 See. 4, Chung Hsing Rd., Chutung.Hsinchu, 310 Report No.: CEW—8703—008 Taiwan,Republic Of China TEL : 886—3—5917069 FAX : 886—3—5825720 Page 7147 _ of 17 3.3 RADIATION LIMIT All emanation from a class B_ computing device or system, including any network of conductors and apparatus connected thereto, shall not exceed the level of field strengths specified below : FREQUENCY FIELD STRENGTHS(dB 4 V/M) (MHz) CLASS A(10m) CLASS B(3m) 30—88 39.0 40.0 88—216 43.5 43.5 216—960 46.4 46.0 960—1000 49.5 54.0 Note : (1)The tighter limit shall apply at the edge between two frequency bands. (2)Distance refers to the distance in meters between the measuring instrument antenna and the closest point of any part of the device or system. 3.4 TEST PROCEDURE The devices under test were placed on a rotatable table top 0.8 meter above ground. The table was rotated 360 degrees to determine the position of the highest radiation. EUT is set 10 meters from the interference receiving antenna which is mounted on the top of a variable height mast. The antenna height is varied between one meter and four meters above ground to find the maximum value of the field strength Both horizontal polarization and vertical polarization of the antenna are set to make the measurement. The bandwidth setting on the E.M.I. meter (R/S TEST RECEIVER ESMI) is 120 KHz. The levels are quasi peak value readings. The frequency spectrum from 30MHz to 1000MHz was investigated. 3.5 UNCERTAINTY OF RADIATED EMISSION The uncertainty of radiated emission is +2.724B.

Industrial Technology Research Institute Electronics Research & Service Organization FCC ID : I88NETGEARRH348 Bldg. 17, 195—4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Repor{ No. : CEW—8703—008 Taiwan,Republic Of China TEL : $86—3—5917069 FAX : 886—3—5825720 Page 15 of 17 3.6 RADIATED RF NOISE MEASUREMENT The frequency spectrum from 30 MHz to 1000 MHz was investigated. All emissions not reported below are more than 20 dB below the prescribed limits. All readings are quasi—peak values. Temperature : °C Humidity : 75% RH FREQ— |ANTENNA| CABLE METER READING LIMITS EMISSION LEVEL UENCY ractor Loss AT1Om (dB u V/M) AT3m (dB p V/M) HORIZON—| VERTICAL HORIZON—| VERTICAL (MHz) (aB) (aB) TAL (dBa VM)| __TAL 30.00 19.71 1.20 * * 40.00 * * 110.00 11.17 2.10 2.24 8.68 43.50 25.50 31.94 120.00 9.13 2.20 5.32 9.80 43.50 29.35 33.83 122.88 11.92 2.26 * 5.60 43.50 * 29.78 180.00 5.72 2.70 3.92 * 43.50 25.80 * 184.75 9.13 2.72 * 2.24 43.50 * 24.09 200.00 8.95 2.80 * 9.24 43.50 * 30.99 226.11 10.77 2.96 * 2.24 46.00 * 25.96 1000.00 24.69 5.70 * * 54.00 * * REMARKS : 1. * Undetectable 2. Emission level at 3m (dB { V/M) =Antenna Factor (dB) + Cable loss (dB) + Meter Reading at 10m (dB 4 V/M)+10(dB). 3. 10m measured data are transferred to 3m by the formula L2=L1(d1/d2) 4 V/M from CISPR 22 20LogL2=20LogL1+20Log(d1/d2)dB L V/M

FCC ID:I 8 8 NETGEARRH348 Exhibit C__— Measurement Report


Document Created: 2001-05-08 11:46:06
Document Modified: 2001-05-08 11:46:06
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