H8N-RTW026D31Broadband Wireless Router

i Broadband Wireless Router User’s Manual Rev:01 2002/10/17 Wireless Broadband Router User’s Manual ii No part of this publication may be reproduced in any form by any means without the prior written permission. Other trademarks or brand names mentioned herein are trademarks or registered trademarks of their respective companies. 2002/07/11-10/17 Rev:01 000026-rtw Safety Notes iii Safety Notes For Installation „ Use only the type of power source indicated on the marking labels. „ Use only the power adapter supplied with the product. „ Do not overload wall outlet or extension cords as this may increase the risk of electric shock or file. If the power cord is frayed, replace it with a new one. „ Proper ventilation is necessary to prevent the product overheating. Do not block or cover the slots and openings on the device, which are intended for ventilation and proper operation. It is recommended to mount the product with a stack. „ Do not place the product near any source of heat or expose it to direct sunshine. „ Do not expose the product to moisture. Never spill any liquid on the product. „ Do not attempt to connect with any computer accessory or electronic product without instructions from qualified service personnel. This may result in risk of electronic shock or file. „ Do not place this product on an unstable stand or table. For Using „ Power off and unplug this product from the wall outlet when it is not in use or before cleaning. Pay attention to the temperature of the power adapter. The temperature might be high. „ After powering off the product, power on the product at least 15 seconds later. „ Do not block the ventilating openings of this product. „ When the product is expected to be not in use for a period of time, unplug the power cord of the product to prevent it from the damage of storm or sudden increases in rating. „ Please choose a flat place surface to locate this device in level. If you put the device vertically, it might be unsteady and might fall down. We are not responsible for such happening. For Service Do not attempt to disassemble or open covers of this unit by yourself. Nor should you attempt to service the product yourself, which may void the user’s authority to operate it. Contact qualified service personnel under the following conditions: „ If the power cord or plug is damaged or frayed. „ If liquid has been spilled into the product. „ If the product has been exposed to rain or water. „ If the product does not operate normally when the operating instructions are followed. „ If the product has been dropped or the cabinet has been damaged. „ If the product exhibits a distinct change in performance. Warning „ This equipment must be installed and operated in accordance with provided instructions and a minimum 20 cm spacing must be provided between computer mounted antenna and person’s body (excluding extremities of hands, wrist and feet) during wireless modes of operation. „ This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Caution „ Any changes or modifications not expressly approved by the party responsible for compliance could void the authority to operate equipment. Wireless Broadband Router User’s Manual iv FCC Information The Federal Communication Commission Radio Frequency Interference Statement includes the following paragraph: The equipment has been tested and found to comply with the limits for a Class B Digital Device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction, may cause harmful interference to radio communication. However, there is no grantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: „ Reorient or relocate the receiving antenna. „ Increase the separation between the equipment and receiver. „ Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. „ Consult the dealer or an experienced radio/TV technician for help. Contents v Contents Before you use ................................................................................ vii Features ............................................................................................... vii System Requirements............................................................................ viii Unpacking............................................................................................ viii Chapter 1: Overview ......................................................................... 1 Physical Outlook ..................................................................................... 1 Front Panel ................................................................................... 1 Rear Panel .................................................................................... 2 Chapter 2: Installation ...................................................................... 3 Chapter 3: Concepts for Connection .................................................. 5 On Ethernet Client................................................................................... 5 On Wireless Client ................................................................................... 6 xDSL/ATU-R Connection........................................................................... 7 Connecting to Your xDSL Modem...............................…

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Confidentiality Request Company：ASKEY COMPUTER CORP. FCC ID：H8N-RTW026D31 Product：Broadband Wireless Router Model：RTW026-D31 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below. Schematics / Block Diagram The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application And all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Signature:

Company : ASKEY COMPUTER CORP. Page: 1 of 5 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 2 of 5 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 3 of 5 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 4 of 5 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 5 of 5 Product : Broadband Wireless Router Model : RTW026-D31

Company : Askey Computer Corp.Model : RTW026-D31 Product : Broadband Wireless Router Broadband Wireless Router Model No: RTW026-D31 FCC ID：H8N-RTW026D31 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: [1] this device may not cause harmful interference and [2] this device must accept any interference received, including interference that may cause undesired operation. S/N： Made in Taiwan

Company : ASKEY COMPUTER CORP. Page: 1 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 2 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 3 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 4 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 5 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 6 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 7 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 8 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 9 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 10 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 11 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 12 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 13 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 14 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 15 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 16of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 17 of 18 Product : Broadband Wireless Router Model : RTW026-D31 Company : ASKEY COMPUTER CORP. Page: 18 of 18 Product : Broadband Wireless Router Model : RTW026-D31

Description of Operation EUT is a Broadband Wireless Router with 11 channels. This device provided four kind of transmitting speed 1,2,5.5 and 11Mbps. The device of RF carrier is DQPSK,DB PSK and CCK. The device adapts direct sequence spread spectrum modulation. The Connector antenna was scolded on PCB provided diversity function to improve the receiving function. This Broadband Wireless Router is an IEEE 802.11b Wireless LAN adapter. It allows your computer to connect to a wireless network and to share resources, such as files or printers without being bound to the network wires. Operation in 2.4GHz Direct Sequence Spread Spectrum (DSSS) radio transmission, the Broadband Wireless Router transfers data at speeds up to 64/128-bit Wired Equivalent Protection(WEP) algorithm is used. In addition, its standard compliance ensures that it can communicate with any 802.11b network.

FCC ID ：H8N-RTW026D31 Report No.：510-9202-016F Page 1 of 3 Industrial Technology Research Institute Electronics Research & Service Organization Bldg. 17, 195-4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Taiwan,Republic Of China TEL : 886-3-5917069 FAX : 886-3-5825720 9. RF EXPOSURE EVALUATION According to FCC 1.1310 : The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Average Time (A) Limits for Occupational / Control Exposures 300-1,500----F/3006 1,500-100,000----56 (B) Limits for General Population / Uncontrol Exposures 300-1,500----F/15006 1,500-100,000----130 9.1 FRIIS FORMULA Friis transmission formula : Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm2. If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. 9.2 EUT OPERATING CONDITION A software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. FCC ID ：H8N-RTW026D31 Report No.：510-9202-016F Page 2 of 3 Industrial Technology Research Institute Electronics Research & Service Organization Bldg. 17, 195-4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Taiwan,Republic Of China TEL : 886-3-5917069 FAX : 886-3-5825720 9.3 TEST RESULT OF RF EXPOSURE EVALUATION Test Item：RF Exposure Evaluation Data Test Mode：Normal Operation 9.3.1 ANTENNA GAIN Antenna Gain：The maximum Gain measured in fully anechoic chamber is 2dBi linear scale. 9.3.2 OUTPUT POWER INTO ANTENNA & RF EXPOSURE EVALUATION DISTANCE Channel Channel Frequency (MHz) Output Power to Antenna (dBm) Minimum Allowable Distance  From Skin(cm) LIMITS CH12412.0016.08 0.0127861 CH62437.0015.71 0.0117421 CH112462.0016.23 0.0132351 The distance r (4 th column) calculated from the Friis transmission formula is far shorter than 1mW/cm 2 separation requirement. So, RF exposure limit warning or SAR test are not required. Note: 2dBi antenna FCC ID ：H8N-RTW026D31 Report No.：510-9202-016F Page 3 of 3 Industrial Technology Research Institute Electronics Research & Service Organization Bldg. 17, 195-4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Taiwan,Republic Of China TEL : 886-3-5917069 FAX : 886-3-5825720 9.3 TEST RESULT OF RF EXPOSURE EVALUATION Test Item：RF Exposure Evaluation Data Test Mode：Normal Operation 9.3.1 ANTENNA GAIN Antenna Gain：The maximum Gain measured in fully anechoic chamber is 6dBi linear scale. 9.3.2 OUTPUT POWER INTO ANTENNA & RF EXPOSURE EVALUATION DISTANCE Channel Channel Frequency (MHz) Output Power to Antenna (dBm) Minimum Allowable Distance  From Skin(cm) LIMITS CH12412.0016.08 0.0321171 CH62437.0015.71 0.0294941 CH112462.0016.23 0.3324531 The distance r (4 th column) calculated from the Friis transmission formula is far shorter than 1mW/cm 2 separation requirement. So, RF exposure limit warning or SAR test are not required. Note: 6dBi antenna

FCC ID ：H8N-RTW026D31 Report No.：510-9202-016F Page 1 of 54 Industrial Technology Research Institute Electronics Research & Service Organization Bldg. 17, 195-4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Taiwan,Republic Of China TEL : 886-3-5917069 FAX : 886-3-5825720 ELECTROMAGNETIC COMPATIBILITY TEST REPORT Company ： ASKEY COMPUTER CORP. Address ： 10F, NO.119, CHIENKANG RD., CHUNG-HO, TAIPEI, TAIWAN, R.O.C. Product name ： Broadband Wireless Router Model name ： RTW026-D31 Date Received ： JAN. 07, 2003 Date Tested ： JAN. 15~22, 2003 MEASUREMENT REQUIREMENT USED ： 47 CFR Part 15, Subpart B and Subpart C (Section 15.247), ANSI C63.4-2001 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. Notes ： 1. This report will be invalid if duplicated or photocopied in part. 2. This report refers only to the specimen(s) submitted to test, and is invalid as seperately used. 3. This report is invalid without examination stamp and signature of this institute. 4. The tested specimen(s) will be preserved for thirty days from the data issued. 5. The report must not be used to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the federal government. FCC ID ：H8N-RTW026D31 Report No.：510-9202-016F Page 2 of 54 Industrial Technology Research Institute Electronics Research & Service Organization Bldg. 17, 195-4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Taiwan,Republic Of China TEL : 886-3-5917069 FAX : 886-3-5825720 TABLE OF CONTENTS TITLEPAGE NO. 1. GENERAL INFORMATION ...................................................................................................... 4 1.1 GENERAL STATEMENT ................................................................................................... 4 1.2 GENERAL DESCRIPTION OF EUT & POWER ............................................................... 4 1.3 DESCRIPTION OF PERIPHERALS....................................................................................5-6 1.4 EUT & PERIPHERALS SETUP DIAGRAM ...................................................................... 7 1.5 EUT OPERATING CONDITION ........................................................................................ 7 1.6 DESCRIPTION OF TEST SITE................................................................................................ 8 1.7 SUMMARY OF TEST RESULTS ....................................................................................... 8 2. CONDUCTED POWERLINE TEST .......................................................................................... 9 2.1 TEST EQUIPMENTS........................................................................................................... 9 2.2 TEST SETUP ........................................................................................................................ 9 2.3 CONDUCTED POWER LINE EMISSION LIMIT ............................................................. 10 2.4 TEST PROCEDURE ............................................................................................................ 10 2.5 UNCERTAINTY OF CONDUCTED EMISSION............................................................... 10 2.6 CONDUCTED RF VOLTAGE MEASUREMENT .............................................................11-12 2.7 PHOTOS OF CONDUCTION TEST ................................................................................... 13 3. RADIATED EMISSION TEST................................................................................................... 14 3.1 TEST EQUIPMENTS........................................................................................................... 14 3.2 TEST SETUP ........................................................................................................................ 14 3.3 RADIATION LIMIT ............................................................................................................15 3.4 TEST PROCEDURES .......................................................................................................... 16 3.5 UNCERTAINTY OF RADIATED EMISSION................................................................... 16 3.6 RADIATED RF NOISE MEASUREMENT.........................................................................17-34 3.7 PHOTOS OF OPEN SITE.....................................................................................................35-38 4. 6dB BANDWIDTH MEASUREMENT ...................................................................................... 39 4.1 TEST EQUIPMENTS........................................................................................................... 39 4.2 TEST SETUP ........................................................................................................................ 39 4.3 LIMITS OF 6dB BANDWIDTH MEASUREMENT .......................................................... 39 4.4 TEST PROCEDURE ............................................................................................................ 39 4.5 UNCERTAINTY OF CONDUCTED EMISSION............................................................... 39 4.6 TEST RESULTS................................................................................................................... 40 4.7 PHOTO OF 6DB BANDWIDTH MEASURERMENT ....................................................... 41 5. MAXIMUM PEAK OUTPUT POWER...................................................................................... 42 5.1 TEST EQUIPMENTS........................................................................................................... 42 5.2 TEST SETUP .................................................................................…

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FCC ID ：H8N-RTW026D31 Report No.：510-9202-016F Page 1 of 4 Industrial Technology Research Institute Electronics Research & Service Organization Bldg. 17, 195-4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Taiwan,Republic Of China TEL : 886-3-5917069 FAX : 886-3-5825720 3.7 PHOTOS OF OPEN SITE NOTE: 2dBi Antenna FCC ID ：H8N-RTW026D31 Report No.：510-9202-016F Page 2 of 4 Industrial Technology Research Institute Electronics Research & Service Organization Bldg. 17, 195-4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Taiwan,Republic Of China TEL : 886-3-5917069 FAX : 886-3-5825720 3.7 PHOTOS OF OPEN SITE NOTE: 2dBi Antenna FCC ID ：H8N-RTW026D31 Report No.：510-9202-016F Page 3 of 4 Industrial Technology Research Institute Electronics Research & Service Organization Bldg. 17, 195-4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Taiwan,Republic Of China TEL : 886-3-5917069 FAX : 886-3-5825720 3.7 PHOTOS OF OPEN SITE NOTE: 6dBi Antenna FCC ID ：H8N-RTW026D31 Report No.：510-9202-016F Page 4 of 4 Industrial Technology Research Institute Electronics Research & Service Organization Bldg. 17, 195-4 Sec. 4, Chung Hsing Rd., Chutung,Hsinchu, 310 Taiwan,Republic Of China TEL : 886-3-5917069 FAX : 886-3-5825720 3.7 PHOTOS OF OPEN SITE NOTE: 6dBi Antenna