1.0 GENERAL General 1.1 TECHNICAL INFORMATION 1.1.1 Operational System NMT-450i 1.1.2 Dimensions Size: 58 x 153 x 26 mm Weight: 295 g 1.1.3 Power Consumption - Batteries: 5 x 1.2 V NiCd (or NiMH) - Sleep current: 2 mA - Standby current: 60 mA - Conversation mode, high power: app.
- hand strap - belt clip 1.1.5 Ringing Tones Adjustable - type, five fixed, one changeable with BeneWin - volume - progressive or fixed Silent alert - short tone and ‘call coming’ text in the display 1.1.6 Memory Alphanumeric - 99 memory locations, 23 characters, 16 alphanumeric / memory location - memory scroll and recall in alphabetical or numerical order - writing in memory during a call Repeat: last dialled number or one of 6 numbers from the quick-memory locations...
3.0 INSTALLATION INSTRUCTIONS 3.1 Phone Programming You can program Benefon Sigma Gold by using either the keys on your phone, or the BeneLoc computer program. In either case, you will need a localbox. Programming Menu Commands: - SALES DATE - RADIO PATH ID...
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It is possible to program the sales date ONLY ONCE, which means that you will not be able to change it again afterwards. If the sales date has not been programmed, your phone will not enter the normal stand-by mode. 3.1.1.2 Radio Path Identification 1.
3.1.2 To program Using the BeneLoc Program Start the installed program by clicking the icon. The phone must be connected to the system as discribed above. Main window Press Dealer-key to enter the programming window. 6DP_52GB Product: TDP-52-SN3 / 27.1.1999 GE N M ET ER...
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You can read the phone data by pressing the Read phone -key. You can change the miscellanous settings with the computer and transfer them to phone by pressing the Program phone -key. BeneLoc includes Help-program for further information. 6DP_52GB Product: TDP-52-SN3 / 27.1.1999...
3.2 CAR KIT INSTALLATION The Car Kit includes a phone holder (KDS-50), a car box (UDH-50), an antenna, an installation base, a hf speaker, a microphone and a cable. The Car Kit sales package also includes an installation material bag, which contains the necessary installation equipment.
3.2.6 Car Box UDH-50 Place the car box out of sight inside the dashboard of the car or to another place. First, connect the wires to the car box. Install the car box so, that the heat sink has some space for cooling. The car box has holes which enable you to fasten the car box with a cable tie.
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A Diagram of Connections How to install a cable to a carbox. to KDS-50 open UDH-50 Name Car Radio Mute (active low) Hf Speaker Ground - External Alert (active low) Hf Speaker Vbatt, +12/24 V Car Radio Mute (See the installation instructions of your car radio) MUTE +ACC...
3.3 HF-FUNCTION Benefon Sigma Gold offers you two different hands free -setups for the Car Kit and Office Set: the background noise tuning (CAR KIT/OFFICE SET TUNING) and MIC-ERP contrast tuning (CAR KIT/OFFICE SET SWING). 3.3.1 CAR KIT TUNING/OFFICE SET TUNING (theory) You can set up the activation level of the microphone by using the CAR KIT TUNING option.
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b. If the CAR KIT TUNING has been set up too low, the background noise in your car (2) will activate the microphone path, and the volume of the HF- speaker will be low. c. When the CAR KIT TUNING has been set correctly only your voice (1 & 3) will open the microphone path.
3.3.2 CAR KIT SWING/OFFICE SET SWING (theory) The four-step CAR KIT SWING/OFFICE SET SWING tuning is used to set the contrast of the microphone amplification/speaker attenuation swing. In the following figures the swing position while listening to the Car Kit or Office Set is indicated by a solid line and the position while speaking into Car Kit or Office Set the indicated by a dotted line.
3.3.3 HF-function tuning in practice You can tune HF-functions two ways: manually or with car kit. Manual tuning 1. Connect the localbox to your phone, and turn the phone on. 2. Press will be flashing in the display. 3. Press HF-FUNCTION 4.
4.0 SERVICE APPLICATIONS 4.1 BeneWin SCA-50 The BeneWin SCM Program for Windows is designed to facilitate maintenance of phone numbers and user settings on Benefon mobile phones. You can also use your phone to carry out the commands in the BeneWin Program, but it is handier to pro- cess data using your screen and keyboard - the advantage of the BeneWin Pro- gram.
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In the Command Line box, type the letter A: or B: to indicate your floppy disk drive, and then type SETUP. For example, A:SETUP. Click the OK button, and follow the instructions displayed on your screen. First, accept the location of the source files, which is the floppy disk drive you used for Setup.
4.1.2 To start the BeneWin program Connect your phone with a cable to the serial port of your computer, which is called COM1 or COM2. The serial ports are located in the back of your computer, and more precise instructions can be found in the manual accompanying the computer. Plug the flat end of the cable into the connector at the bottom of your phone.
4.2 Beneloc A B C D E F G H I J K L M N O P Q R S T U V WXYZ BeneLoc program is designed to help service person on tuning and service purpose. With BeneLoc Program you will also get WinFlash Program. With WinFlash Program you can change the software to Benefon phones.
The Setup Program will ask you to specify the drive and directory in which you want to install the Beneloc Program. The Program suggests the following: C:\Bene- App\BeneLoc. Accept the drive and directory by clicking Next button. You can also type your own directory for Beneloc Program.
4.2.3 Using the BeneLoc program In the main window of the BeneLoc, you will find submenus and buttons. Clicking the buttons you can go to the submenus. Change For changing phone to another similar you do not need to do more than enter into main menu.
Tunings From Tunings main menu you can select different tunings to do. Every tuning have they own instruction window. Follow given instructions to do tunings. Clicking START will start tuning. The value will be stored only by clicking SAVE. Some of the tunings are chained and you can enter to next phase by clicking NEXT.
4.3.2 Using the WinFlash program You will find all Benefon mobile phone softwares installed to your computer from win- dow in the left side. Select the software you want to transfer to phone by clicking it. In the right side win- dow you will find some information of the selected software.
V101 40 pin connector EXTMIC EXTERP XCADET I2CINT XEXTIO 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 RX and TX data to the splitter RX and TX data clock RX and TX divider enable pulse rx vco start up tx vco start up...
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XCHGIND XBMEM MICINPUT XISIGN KEYLEDVB IVBDET V-PROG V-PROG 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 key matrix input key matrix output charging voltage indicator input memory data-line from the bat- tery microphone-line battery voltage course indicator voltage for the led of keyboard...
The processor and audio circuit diagram is split into five parts. Signals in the circuit diagrams have been given names, and signals with the same name are connected between diagrams. 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 supply voltage reset-line display data input...
When the processor is operating, RESET = 5V, VCC = 5V, E = 1.8 Mhz, AS, R/ W and A0...A15 pulses should be 0/5V (no intermediate values, only 0 or 5V). 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 module connector pins...
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C352 and R352 measure the length of a voltage break. The voltage drops during a break, after which it is measured by the A/D convertor. The time constant is approx. 10 s . Thus a "warm start" is detected. 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 / OA0701 Processor...
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User specific information is stored in EEPROM which CANNOT be read from outside the chip. All external attempts to read the information clear both EEPROM and RAM (fill with FF). 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 / OA0701 Processor...
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Answer module can save a maximum 16 second message. The message can be recorded from the microphone, external microphone or RX-audio. The message can be sent to the earphone, external earphone or TX-audio. 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 / OA0701 Processor...
This block includes a limiting circuit for signal amplitude in order to confine the maximum deviation of the transmit modulated signal. TXLPF is the low pass filter to reject the higher frequency component on the 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 / OA0700 Audio...
The data signal is fed through the FFSK band-pass filter to the FFSK demodulator and FFSK data detector. FFSK DET block. The block works to judge the FFSK signal existence by comparing the amplitude of the noise reduced FFSK signal and the provided 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 / OA0700 Audio...
Tones for the internal alarm tones are provided by the DTMF generator. The internal alarm tones path way is DTMF generator, VR8, switch DTMFRXON, summing junction ADD4, VR11, AMP5 and buzzer. The buzzer volume is controlled by the DA3. 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 / OA0700 Audio...
INTERFACE & DATA REGISTER is a 16 bit address/data serial interface circuit. BIAS is bias current generator for amplifiers. TIMER is an 8 bit timer (not used). DA1, DA2, DA3 are 8 bit linear DA converters. 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 / OA0700 Audio...
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RF0104 R310 SMD resistor RF0104 R311 SMD resistor RF0104 R312 SMD resistor 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 VALUE MANUF. 1 k 5% 0.125 W Kamaya 1 k 5% 0.125 W Kamaya 100 R 5% 0.125 W Kamaya 100 R 5% 0.125 W Kamaya 100 R 5% 0.125 W...
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RF0563 R452 SMD resistor RF0000 R456 SMD resistor RF0000 R458 SMD resistor 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 VALUE MANUF. 100 k 5% 0.125 W Kamaya 220 k 5% 0.125 W Kamaya 10 k 5% 0.125 W Kamaya 150k 5% B=4100 Hokuriku 100 k 5% 0.125 W...
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SMD Crystal X14400 X401 SMD crystal PA0700 PCB for OA0700 Last update 27.01.97 4A0701GB.__1 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 VALUE MANUF. 1 M 5% 0.125 W Kamaya 1 k 5% 0.125 W Kamaya 1 k 5% 0.125 W Kamaya 1 k 5% 0.125 W Kamaya 100 k 5% 0.125 W...
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Product: TDP-52-SN3 (Sigma Gold) / OA0701 Proc./ 27.1.1999 The Top Side Layout PA0700 A5 4A0701GB.__1...
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Product: TDP-52-SN3 (Sigma Gold) / OA0701 Proc./ 27.1.1999 The Bottom Side Layout PA0700 A5 4A0701GB.__1...
XKEYINP2 XKEYINP3 XKEYINP3 XKEYOUT0 XKEYOUT1 XKEYOUT2 XKEYOUT3 CHGIND 4H0700GB.__2 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 power supply from battery external audio from the microphone external audio to the speaker ampili- fier carbox identification i2c interrupt, radio input i2c clock i2c data...
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5.2.2.2 Radio Base Connector (printed circuit) The Ext-hook switch is connected to the erp-line so that the erp-line dc level drops when the handset is in its holder. 4H0700GB.__2 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 input memory data-line from the bat- tery...
SDATA line, to the synthesizer circuit I300. 5.3.3 Control- and Output-Signals SCLK SDATA RXINJ RX_REG 4Z0700GB.__2 Product: TDP-52-SN3 (Sigma Gold) / 27.1.1999 4.75VDC 14 mA +1 dBm 540,25...544,725 MHz RX synthesizer operating voltage Clock signal for the synthesizer control data...
Modulation is fed to the TX synthesizer TX-AUDIO line. The frequency response is corrected by the components R463 - R465, C461 and C462. Modulation sensitivity is set by the resistor R460. 4Z0700GB.__2 Product: TDP-52-SN3 (Sigma Gold) / 27.1.1999 4.75VDC <30 mA +6 dBm 453.000...457.475 MHz...
TXAUDIO 12.8M SCLK SDATA TXINJ TXS_REG 4Z0700GB.__2 Product: TDP-52-SN3 (Sigma Gold) / 27.1.1999 TX synthesizer operating voltage (4.75V) Transmitter audio signal 12.8 MHz signal to the receiver circuit. Clock signal for synthesizer control data Synthesizer control data ENABLE pulse to the synthesizer...
The second intermediate frequency is 450 kHz. The phase-shift required by the quadrature detector is made with the parallel-circuit L203 and C226. The detected AF-signal temperature correction is done in the buffer amplifier stage. 4Z0700GB.__2 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 CF 739 double-balanced mixer...
12.8 MHz 450 kHz RXAUDIO RSSI SENSITIVITY CHECK channel 4Z0700GB.__2 Product: TDP-52-SN3 (Sigma Gold) 27.1.1999 463,000...467,475 MHz RX injection signal to the double balanced mixer 12.8 MHz signal to the multiplier for the 2.mixer RX operating voltage 4.75 V from the regula- Output from 2.
24.7 dBm (0.3W) 453,000...457,475 MHz Transmitter operating voltage from the battery-pack (fused) Power ON/OFF control Power level control signal from the D/A converter RF signal from the TX synthesizer Transmitter output to the duplex filter TDP-52-SN3 (Sigma Gold) 0...5V +6dBm...
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The Top Side Layout PY0700A3 OY0725-RF 4Z0700GB.__2 Product: TDP-52-SN3 (Sigma Gold) / 27.1.1999 OY0725-RF...
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Product: TDP-52-SN3 (Sigma Gold) / OY0725-RF 27.1.1999 The Bottom Side Layout PY0700A3 4Z0700GB.__2...
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QA4931 Y321 SMD RF-tarnsistor QA4931 Y411 SMD RF-tarnsistor 4Y0725GB Product: TDP-52-SN3 (Sigma Gold) / 27.1.1999 VALUE 8.2 k 5% 0.125 W 2.2 k 5% 0.125 W 150 R 5% 0.125 W 22 R 5% 0.125 W 4.7 k 5% 0.125 W 1.5 k 5% 0.125 W...
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CODE PART DESCRIPT. QA4931 Y421 SMD RF-tarnsistor Last update 22.01.99 4Y0725GB Product: TDP-52-SN3 (Sigma Gold) / 27.1.1999 VALUE NPN 9GHz/NF1.2dB/G13dB OY0725-RF MANUF. TYPE Sanyo 2SC4931-B2...
6.1 MAINS CHARGER CMA-50-230 The charger provides functions for charging Benefon brand mobile phones from a mains supply. Connector A CONNECTOR A 8CMA50GB_fm5.f Product: CMA-50-230 (Mains Charger) / 27.1.1999 YC0055 PIN CONFIGURATION: charge current 3 - 5 ground 8 - 15 control voltage YO0240 max.
6.2 LIGHTER SOCKET CHARGER CCS-50-12 The charger includes functions for using the handportable and for charging its batter- ies from the car battery. Connector A CONNECTOR A 8CCS50GB_fm5.f Product: CCS-50-12 (Light Socket Charger) / 27.1.1999 YC0058 PIN CONFIGURATION: charge current max.
7.1 CARBOX UDH-50 YO0702 7.1.1 Including attached functions - power supply filter - voltage regulators - processor controlled battery charger - controls for external relays (AL, MUTE) - handsfree amplifiers - PC/AUX-connector - handset connector - integrated branching unit 7.1.2 Connector descriptions 7.1.2.1 EXTVB V100 MUTE HF_SPKR...
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7.1.2.2 HANDSET V102: HS_ERP EGND MGND HS_MIC 7.1.2.3 EXTMIC V103 HFMIC 7.1.2.4 PC/AUX V104 AUX_MIC AUX_ERP CADET I2CINT EXTIO 8udh50gb_fm5.fm Product: UDH-50 (Carbox) / 27.1.1999 Audio signal for earphone + HOOK-signal HS Microphone signal to carbox ground not connected HF Microphone signal to carbox ground not connected not connected...
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7.1.2.5 BOX V105 V_CHARGE V_CHARGE V-BAT EXTMIC EXTERP CADET 10 I2CINT 12 SDA 13 TXD 14 RXD 15 EXTIO 16 CHGCONT 7.1.2.6 Operation Operating voltage is fed to pin EXTVB/6. L100/C104 filters the power supply and D100 limits any voltage peaks. When the radio telephone is placed in its handset, a voltage is fed through the BOX/3 pin which triggers Q201 and Q200 open.
7.2 CARBOX UDH-50 YO0704 7.2.1 Including attached functions - power supply filter - voltage regulators - processor controlled battery charger - controls for external relays (AL, MUTE) - handsfree amplifiers - PC/AUX-connector - handset connector - integrated branching unit 7.2.2 Connector descriptions 7.2.2.1 EXTVB V100 MUTE HF_SPKR...
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7.2.2.2 HANDSET V102: HS_ERP EGND MGND HS_MIC 7.2.2.3 EXTMIC V103 HFMIC 7.2.2.4 PC/AUX V104 AUX_MIC AUX_ERP CADET I2CINT EXTIO 8UDH50GB.__1_f Product: UDH-50 (Carbox) / 27.1.1999 Audio signal for earphone + HOOK-signal HS Microphone signal to carbox ground not connected HF Microphone signal to carbox ground not connected not connected...
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7.2.2.5 BOX V105 V_CHARGE V_CHARGE V-BAT EXTMIC P_GND EXTERP CADET 10 I2CINT 12 SDA 13 TXD 14 RXD 15 EXTIO 16 CHGCONT 7.2.2.6 Operation Operating voltage is fed to pin EXTVB/6. L100/C104 filters the power supply and D100 limits any voltage peaks. When the radio telephone is placed in its handset, a voltage is fed through the BOX/3 pin which triggers Q201 and Q200 open.
7.3.2 Module OO0702 The Top Side Layout PO0702A0 The Bottom Side Layout PO0702A0 8kds50gb_fm5.fm Product: KDS-50 (Hands-free Cradle) / 27.1.1999 YO0701...
7.4.1.2 Cable 1500 Modular connector AMP #641334-2 blue green white Direction X Handset cable YC0056 951980-34 Outer Sheath Length: Number of conductors: Size: Resistance: Number of strands Insulation material: Strain relief: 7.4.2 General The external handset is designed for use together with the hands-free car kit. The external handset includes a microphone, an earphone and a reed switch.
7.4.3 Connector XIN Signals 7.4.4 Microphone Sensitivity: Vendor and part no: RF decoupling capacitor: 7.4.5 Speaker Sensitivity Vendor and part no: Impedance: Resistance (DC): 7.4.6 Hook The hook operation is done by use of a reed switch. Hook operation is connected to the handset earphone terminal.
8.1 OFFICE SET DDS-50 YO0311 8.1.1 General Main features of the office set are: - Hands Free microphone and speaker - Handset - connection for external antenna - intelligent charge functions for both the phone battery and the spare battery - connection for additional accessories Office set DDS-50 The office set is designed to make the use of the mobile phone easier and more...
8.1.2 Connectors 8.1.2.1 Main module OO0303 AUX/PWR_IN_1, AUX/PWR_IN_2 PIN # NAME PH_VOLT AUX_MIC AUX_ERP I2CINT VB_CTRL PIN # NAME HS_MIC HS_ERP PH_R PH_G SWITCH 8dds50gb_fm5.fm Product: DDS-50(Office set) / 27.1.1999 DESCRIPTION power in mobile battery voltage auxiliary microphone signal ground auxiliary earphone signal I2C bus interrupt I2C bus clock...
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PIN # NAME V_CHG V_BATT EXTMIC EXTERP CADET I2CINT PH_CTRL V5, V13 PIN # NAME I_BATT V6, V11 PIN # NAME BMEM PIN # NAME B_TEMP V8, V12 PIN # NAME PIN # NAME HF_MIC 8dds50gb_fm5.fm Product: DDS-50(Office set) / 27.1.1999 DESCRIPTION charge current for phone...
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PIN # NAME HF_SPKR 8.1.2.2 Led module OO0301 PIN # NAME HS_MIC HS_ERP PH_R PH_G SWITCH PIN # NAME HS_ERP HS_MIC 8.1.2.3 Connector module OO0302 PIN # NAME V_CHG V_BATT EXTMIC EXTERP CADET I2CINT PH_CTRL 8dds50gb_fm5.fm Product: DDS-50(Office set) / 27.1.1999 DESCRIPTION Hands Free speaker...
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PIN # NAME V_CHG V_BATT EXTMIC EXTERP CADET I2CINT PH_CTRL 8dds50gb_fm5.fm Product: DDS-50(Office set) / 27.1.1999 DESCRIPTION charge current for phone mobile battery voltage microphone signal ground earphone signal office kit indicator for phone I2C bus interrupt I2C bus clock I2C bus data RS-232 TxD RS-232 RxD...
8.1.3 Operation 8.1.3.1 General Power supply unit is connected to one of the connectors on the back of the unit. Connections on these two connectors are identical to each other. Supply voltage (VB) turns on regulator I124 which is used to generate +5 VDC supply (VCC) for pro- cessor and other electronics.
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Spare battery discharge is controlled with signal D2. High level on output switches transistors Q287 and Q285 into conducting state, which makes current flow through resistors R280-283 and transistor Q285. Nominal value of discharge current is ~ 180 Signal D3 is used to turn on/off the detect current supply I234. The logic high signal turns the regulator off and logic low on.
8.1.5 Parts list OO301 OO0301 CODE PART DESCRIPT. CD0221 SMD capasitor CD0221 SMD capasitor CD0223 SMD capasitor DLG155 SMD bicolor DLG155 SMD bicolor VN0005 Stereo jack AS0105 Tact switch PO0301 Connector PCB for office Last update 12.11.96 The Top Side and the Bottom Side Layouts PO0301A3 8dds50gb_fm5.fm Product: DDS-50(Office set) / 27.1.1999...
8.1.6 Part list OO0302 OO0302 CODE PART DESCRIPT. VN0242 SMD system conn. PO0302 Flexible PCB for OO0302 Last update 12.11.96 The Bottom Side Layout PO0302A1 8dds50gb_fm5.fm Product: DDS-50(Office set) / 27.1.1999 VALUE (holder) DDS-40 OO0302 MANUF. TYPE Simflex...
8.2.1.2 Cable CONNECTOR: 3.5 mm stereo plug Handset coil cord YC0049 951916-35 Outer Sheath Length: Number of conductors: Size: Resistance: Number of strands Insulation material: Strain relief: 8.2.2 General The external handset is designed for use together with the office set. The external handset includes a microphone, an earphone and a reed switch.
8.2.3 Connector XIN Signals 8.2.4 Microphone Sensitivity: Vendor and part no: RF decoupling capacitor: 8.2.5 Speaker Sensitivity Vendor and part no: Impedance: Resistance (DC): 8.2.6 Hook The hook operation is done by use of a reed switch. Hook operation is connected to the handset earphone terminal.
9.1 LINE INTERFACE LIF-40 YO0245 9.1.1 General The line interface is an accessory for a Benefon phone to enable a tele-device approved for the general network to be connected to the handportable. The tele- device should be approved for connection to a fixed line network. 9.1.1.1 Telefax devices and modems An error correcting modem (e.g.
When the dialling tone is heard, there is approx. 30 s. time to start dialling the num- ber. The number may also be dialled from the handportable keyboard. 9.1.2.2 Answering a call with the tele-device. A call is answered normally by lifting the tele-device handset or allowing the device to answer automatically.
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9.1.3.1 TROUBLE SHOOTING When moving about or in an area with poor reception, radio fade and changes between base stations will interrupt radio contact. Typical symptoms of data transfer errors are random characters, missing characters, loss of contact, drop in data trans- fer speed, missing lines and error lines in telefaxes.
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9.1.3.3 Connectors X120 X121 9.1.3.4 Audio The audio unit consists of operation amplifiers I100C and I100D and their peripheral components. The low-frequency alternating current passing through the two-wire data terminal is formed by a current coming from the I100D output through resistor R109 (signal received by the data terminal) and by a current coming through resistor R109 to I100C (signal transmitted by the data terminal).
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While Q100 is conducting, the energy flows through resistor R108 to the coil L100. When the switch Q100 stops conducting, the energy received by L100 is discharged through the rectifier diode D100 to the capacitor C106. The fet is protected by C122 and C123 against excessive voltage peaks, while L101/C107 functions as a low- pass filter for filtering the ripple voltage.
9.1.4 Manufacturers Declaration for BABT/SITS/85/22 a) The electrical conditions present at the terminal apparatus connector are as fol- lows: i) 5-10 VDC depending on the battery voltage of the portable ii) as above iii) ringing voltage 50 Vrms, f = 26 Hz maximum REN driving capability = 1 iv) free/reserved tone 430 Hz, I = 25 ±5 mA b) Maximum loop resistance of possible extension cable between line interface and...
9.2.1 General With the branching box you can simultaneously connect several accessories, such as an external handset and a line converter, to the car installation kit and the hand- portable. 9.2.2 Connectors 9.2.2.1 Connector PC/HS Signals 1 and 2 6and 7 9.2.2.2 CONNECTOR HS SIGNALS 1 and 2 6 and 7...
9.2.2.3 Connector PC Signals 1 and 2 6 and 7 9.2.3 Operation Audio routes for either an external handset or a line converter are selected using audio switches I201 (mic) and I202 (erp). The operation is controlled by the HOOK data coming from the XHSERP line. OFF HOOK audio signals have been routed to connector HS, and ON HOOK audio signals to connector PC.
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