O63MH9940LD02900MHz Crdls Phn w/ Dgtl Answrng Mchn & CID

Special Features ongratulations on your selection of a quality BellSouth Product. With proper care and adherence to the setup and user instructions in this Owner’s Manual, this unit will provide you with years of trouble free service. BellSouth is committed to providing quality products that fit your needs. We would like to have any comments or suggestions you might have on this product. You may mail your comments to: U.S. Electronics 105 Madison Avenue New York, NY 10016 When examining your new BellSouth cordless telephone, you will find an array of special features including: Filtered Sound™ System - Receives considerably less noise than conventional cordless telephones because of a special circuit which delivers the clearest possible reception. 40 Channel Autoscan - Press the button on the HANDSET to find and lock on to the clearest channel for any call. Desk or Wall Mount - Use this equipment as a desk phone or as a wall phone. TONE or PULSE Dialing - Use this phone for either TONE (rotary) or PULSE (push- button) dialing. Automated Functions - Redial the last number called and automatic STANDBY mode. Security - Ensures greater privacy because a built-in security code with 65,536 combinations prevents use of your telephone line by another nearby cordless telephone. Dependable Battery - Recharge your BATTERY PACK many times with the built-in charger. The battery low warning tone tells you when the BATTERY PACK needs recharging (See page 37). Special Services - Use the button to access special services such as Call Waiting supplied by your telephone company or company switchboard. STANDBY Mode - When in STANDBY mode (ON-HOOK), the telephone is capable of receiving a call. When the HANDSET is on the BASE UNIT, it is automatically in the STANDBY mode (ON-HOOK). When the HANDSET is taken off the BASE UNIT, it remains in the STANDBY mode until you activate the button. Battery Power Saver - Once fully charged, in STANDBY mode, the HANDSET can receive/send calls for a maximum of five days without the need for recharging. Length of charge depends on frequency of use. HANDSET Ringer Level - Select the ringer sound level (HI, LOW, OFF). HANDSET Volume Control Switch - Select the receiver volume level (HI, MID, LOW). Luminous LCD Screen - The LCD Screen emits light for 10 seconds every time you press any of the TELEPHONE KEYPAD buttons. HEADSET JACK - Your telephone can utilize a headset for hands-free communication. BELT CLIP - Use the BELT CLIP to hang your HANDSET on your belt. C Special Features CALLER ID SYSTEM Multi-Function Large LCD Screen - Shows the number you are dialing, and with Caller ID service (available through subscription from your local telephone company), displays information about the caller before you answer the call. Name and Number Directory - Stores up to 40 names and numbers so that you can call them with a single key stroke. Caller List - Available with Caller ID service. Stores up to 80 calls to keep track of everyone who called. The name, phone number, time and date of the call are recorded. Allows you to return their calls with a single key stroke. Preferred Calls - You can mark the name and number of a welcome caller in the DIRECTORY. When that number calls in, the caller’s name will appear on the LCD Screen and a special ring sound will be heard. Blocked Calls - You can mark the name and number of an unwelcome caller in the DIRECTORY. When that number calls in, the caller’s name will appear on the LCD Screen and the ringer will be disabled. Repeat Call Indicator - Shows if a new incoming call has called more than once. Unavailable Call Indicator - Advises you that the origin of the incoming call does not support the Caller ID system. Call Waiting Service - Displays the name and number of the second caller, if you have subscribed for Call Waiting service from your local telephone company (see page 15). Voice Mail - Indicates message waiting signal if you subscribed to Voice Mail message service and requested Visual Message Indication from your local telephone company (see page 15). This telephone also detects a Stutter Dial Tone signal every time there is a Voice Mail message for you from your Voice Mail message provider if you have subscribed to Voice Mail message service. ANSWERING SYSTEM FEATURES Fully Digital Answering System - Provides a full range of answering functions without using cassette tapes. Digital Memory - Allows recording of memos and messages. Two-Digit LED Message Display - Indicates the number of messages, indicates the status of the system. Ring-Detection Selectable - Choose the number of times the telephone rings before the system answers. Voice Day/Time Stamp - System tells the day and time of each received message or recorded memo. Message Alert - The ability to generate a sound signal when new messages are recorded. Call Screening - The ability to intercept a call when the unit is recording an incoming message (ICM). Mailboxes - Allows four separate individuals to receive their own incoming messages. Auto Disconnection - Will automatically stop answering when the HANDSET of any phone on the same line goes OFF-HOOK. Fast Message Skip Function - Skips to the next message. HANDSET Controls 1. LARGE LCD SCREEN 12. DIR (DIRECTORY) BUTTON Pg. 16~21 16. DEL (DELETE)/CHAN (CHANNEL) BUTTON Pg. 17, 18, 20, 21, 36, 39, 41 13. RE ( SAVE/REDIAL)/PA (PAUSE) BUTTON Pg. 12, 17~20, 22~27 10. MESSAGE WAITING LED INDICATOR Pg. 15, 16 NEW CALL/ 14. VOLUME CONTROL (HI, MID, LOW) SWITCH 11. BATT LOW INDICATOR Pg. 37 5. HEADSET JACK Pg. 13 4. MENU/VOICE MAIL BUTTON Pg. 15, 22~27 6. TELEPHONE KEYPAD Pg. 18~20, 22~24, 26, 27 8. FLASH BUTTON Pg. 15, 18~20, 22~27 EDIT/ 17. CHARGE CONTACTS 2. SCROLL UP-DOWN/SHIFT LEFT-RIGHT BUTTON Pg. 14, 16~26 3. TALK BUTTON Pg. 8, 9, 11, 12, 15, 16, 20, 27, 39 Pg. 21, 23, 27 7 15. OPTION BUTTON Pg. 16, 20, 21, 27 9.HANDSET ANTENNA 3. Button: Press to answer an incoming call or to place a call. Press to end a call. HANDSET Controls …

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MH9941BBD.sch-1 - Sat Mar 23 11:39:09 2002 MH9941hbd.sch-1 - Sat Mar 23 11:40:30 2002

APPENDIX A - FCC PRODUCT LABELING AND WARNING STATEMENT FCC ID Label Specifications : Text is black or white in color and is left justified. Labels are silk- screened and shall be “permanently affixed” at a conspicuous location on the EUT. Proposed Label Location on EUT Bottom Side of Base/Proposed FCC ID Label Location / Handset

APPENDIX C - EUT INTERNAL PHOTOGRAPHS Handset - Main Board Component View Handset - Main Board Solder View Handset - Transceiver Component View Handset - Transceiver Solder View Base - Cover Off View Base - Transceiver Component View

LIONDA TECHNOLOGY COMPANY LIMITED Lionda Research and Development Center MH9940series desc Page 1 3/23/02 CIRCUIT DESCRIPTION Model: MH9940/MH9941 Base a. RF Transmitter Section – RF Board Compressed audio signal is frequency modulated through the varactor diode D3. Diode D3, choke coil L4 and the external components formed the voltage controlled oscillator circuit for the transmitter part. This circuit generates the TX VCO frequency. A portion of this signal is fed back to the PLL IC’s pin1 (FIN1) for phase comparison. Once the phase of oscillation stabilized, the PLL circuit generates the error voltage necessary for the VCO to oscillate at the desired transmitter’s RF frequency. The VCO circuit impedance is matched with the succeeding circuit through the transistor Q7 acts as the buffer amplifier,Q2 also acts as pre amplifier. RF amplifier Q5 boosts the signal for transmission. This amplified RF signal is trimmed to the desired frequency band by BPF903 so as not to interfere with the receiver circuit. The transmitter RF signal is then propagated through the antenna. b. RF Receiver Section - RF Board The Base Unit antenna receives RF signal. Band Pass Filter BPF927 trims the signal to the desirable frequency band. Transistor Q6 is a low noise amplifier that boosts the RF signal to a specific level for mixing. PLL IC1 (K88825B) is used as a Universal Phase Lock Loop circuit. The frequency from the Voltage Controlled Oscillator (VCO) D1, L5 and Q4, is fed back to the PLL IC through pin 16 (FIN2) for phase comparison. During channel scanning or turning the unit on, once the phase of oscillation stabilized (locked), the PLL circuit generates the first local oscillator frequency for down-converting the received RF signal into the first IF frequency 10.7MHz. This process is accomplished through the IF mixer circuit Q3. Q1 is used for matching the impedance of the mixer circuit with the succeeding circuits. The resulting IF signal is kept constant by the IF Filter FL2 to 10.7MHz which is then mixed with the second local oscillator frequency 11.150MHz (derived from X1 & C47) to produced a much lower IF frequency. This lower IF frequency if further filtered by IF Filter FL4 to produce a more stable signal of 450KHz. Quadrature signal detection is accomplished internally by the Narrow-band Detector IC2 (KA3361) with the IF coil L7. The recovered audio frequency can be taken from IC2 audio output pin9. Double conversion of received signal is utilized to improve the image frequency rejection of the unit. c. Transmitter Audio Section – Main Board Audio Frequency signal from the telephone line is compressed through the compressor part of IC101 to minimize the transmission noise. The degree of compression depends on the external RC combinations. The compressed audio is filtered and amplified for better acoustical performance. VR101 trims the transmitted audio into a desirable level. 1 LIONDA TECHNOLOGY COMPANY LIMITED Lionda Research and Development Center MH9940series desc Page 2 3/23/02 d. Receiver Audio Section – Main Board The compressed Audio Frequency signal is passed through passive RC filters for acoustic compliance. The filtered audio is then fed to the Compander IC101 for expansion thus retrieving the original Audio signal with noise filtered out. Q5 is used as a buffer circuit. Bridge D14-D15 isolate the high-voltage telephone line to the rest of the circuit. D14-D15 is also act as hybrid transformer to create a two-way path for audio transmission to and reception from the telephone line. Handset a. RF Transmitter Section – RF Board Refer to portion 1.a for this section. All circuit performance is exactly the same except that Band Pass Filter BPF903 be changed to BPF927 for the handset transmission. b. RF Receiver Section – RF Board Refer to portion 1.b for this section. All circuit performance is exactly the same except that Band Pass Filter BPF927 be changed to BPF903 for the handset reception. c. Transmitter Audio Section – Main Board Audio Frequency signal from the telephone line is compressed through the compressor part of IC4 to minimize the transmission noise. The degree of compression depends on the external RC combinations. AGC is also utilized by IC4 to avoid shock noise caused by abrupt change of audio levels. The compressed audio is filtered and amplified for better acoustical performance. d. Receiver Audio Section – Main Board The compressed Audio Frequency signal is passed through passive RC filters for acoustic compliance. The filtered audio is then fed to the Compander IC4 for expansion thus retrieving the original Audio signal with noise filtered out. Q5 is used as buffer circuit. Bridge rectifier D14-D15 isolates the high–voltage telephone line to the rest of the circuit. D14-D15 is also act as hybrid transformer to create a two-way path for audio transmission to and reception from the telephone line. OTHERS (Handset) a. Charging and Reset Controls Recharging the handset battery is accomplished by putting the handset on the cradle. IC5 detects this action and sends a command to the CPU for proper exchange of security code. 2 3 LIONDA TECHNOLOGY COMPANY LIMITED Lionda Research and Development Center MH9940series desc Page 3 3/23/02 b. Ring Detection When the handset receives the ring command from the base unit, the CPU will send buzzer signal to the ringer amplifier Q5 and Q6 that drives the Buzzer. c. LCD Display Refer to the schematic diagram. The LCD controlled CPU (IC3) by ¼ bias with external contrast controlling. OTHERS (Base) a. Hook Switching and Dialing Hook switching and the transistor Q8 that is controlled by the CPU accomplishes pulse dialing. DTMF signal from the ladder circuit to the CPU is filtered and amplified by Q7. b. Over-voltage Protection Fuse1 and varistor Z1 act as high current and high voltage protectors for the telephone line interface. In case of presence of voltage surge across the telephone line, Z1 decreases its resistance and dumps the line vo…

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MH9941bm1.sch-1 - Sat Mar 23 11:41:33 2002 MH9941bm2.sch-1 - Sat Mar 23 11:42:52 2002 MH9941hm.sch-1 - Sat Mar 23 11:43:55 2002 MH9941rfb.sch-1 - Sat Mar 23 11:46:15 2002 MH9941rfh.sch-1 - Sat Mar 23 11:47:48 2002

Note: This test report is specially limited to the above client company and the product model only. It may not be duplicated without prior written consent of Bay Area Compliance Laboratory Corporation. This report must not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. FCC PART 15 Subpart C EMI MEASUREMENT AND TEST REPORT For Lionda Technology Co., Ltd. Block 2 Laodong 2 nd Industrial Area, Xixiang, Baoan, Shenzhen, Guangdong, P.R.China 518102 FCC ID: O63MH9940LD02 May 3, 2002 This Report Concerns: Original Report Equipment Type: 900MHz Cordless Phone Test Engineer: Benjamin Jin Report No.: R0203224 Test Date: April 22, 2002 Reviewed By: John Y. Chan - Engineering Manager Prepared By: Bay Area Compliance Laboratory Corporation 230 Commercial Street Sunnyvale, CA 94085 Tel (408) 732-9162 Fax (408) 732-9164 Lionda Technology Co., Ltd. FCC ID: O63MH9940LD02 Report # R0203224_Rpt Page 2 of 16 FCC Part 15 Subpart C Test Report TABLE OF CONTENTS 1 - GENERAL INFORMATION..................................................................................................................................3 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..............................................................................3 1.2 OBJECTIVE.............................................................................................................................................................3 1.3 RELATED SUBMITTAL(S)/GRANT(S) ......................................................................................................................3 1.4 TEST METHODOLOGY............................................................................................................................................3 1.5 TEST FACILITY.......................................................................................................................................................3 1.6 TEST EQUIPMENT LIST...........................................................................................................................................4 1.8 LOCAL SUPPORT EQUIPMENT LIST AND DETAILS...................................................................................................4 1.9 EXTERNAL I/O CABLING LIST AND DETAILS.........................................................................................................4 2 - SYSTEM TEST CONFIGURATION.....................................................................................................................5 2.1 DESCRIPTION OF TEST CONFIGURATION................................................................................................................5 2.2 CONFIGURATION OF TEST SYSTEM (BASE)............................................................................................................6 2.3 TEST SETUP BLOCK DIAGRAM...............................................................................................................................6 2.4 EQUIPMENT MODIFICATIONS.................................................................................................................................6 3 - CONDUCTED EMISSIONS TEST DATA............................................................................................................7 3.1 MEASUREMENT UNCERTAINTY..............................................................................................................................7 3.2 EUT SETUP............................................................................................................................................................7 3.3 SPECTRUM ANALYZER SETUP................................................................................................................................7 3.4 TEST PROCEDURE..................................................................................................................................................8 3.5 SUMMARY OF TEST RESULTS.................................................................................................................................8 3.6 CONDUCTED EMISSIONS TEST DATA.....................................................................................................................8 3.7 PLOT OF CONDUCTED EMISSIONS TEST DATA.......................................................................................................8 4 - RADIATED EMISSION DATA ...........................................................................................................................10 4.1 MEASUREMENT UNCERTAINTY............................................................................................................................10 4.2 EUT SETUP..........................................................................................................................................................10 4.3 SPECTRUM ANALYZER SETUP..............................................................................................................................10 4.4 TEST PROCEDURE................................................................................................................................................11 4.5 CORRECTED AMPLITUDE & MARGIN CALCULATION...........................................................................................11 4.6 SUMMARY OF TEST RESULTS...............................................................................................................................12 4.7 RADIATED EMISSIONS TEST RESULT DATA.........................................................................................................13 5 - BAND EDGES TESTING .....................................................................................................................................15 5.1 TEST PROCEDURE................................................................................................................................................15 5.2 TEST EQUIPM…

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APPENDIX B - TEST SETUP PHOTOGRAPHS Base Conducted Emission - Front View Base Conducted Emission - Rear View Base Radiated Emission - Front View Base Radiated Emission - Rear View Handset Radiated Emission - Front View Handset Radiated Emission - Rear View