AI-5120 User Guide - Advent Instruments
Contents
1. Once the update if available is downloaded the software checks for all compatible devices connected to the PC 6 Al Firmware Update Utility Version 1 1 56 exa Searching for connected devices 4 222 Searching Once this is complete a window appears as shown below displaying all the connected devices For each device its current firmware revision is shown along with the newest versions that may be installed An older version of the firmware may be installed by clicking on the right most firmware selection icon 20 Al 5120 User Guide TES Al Firmware Update Utility Version 1 1 56 Help a Al 5120 Telephone Line Monitors Seral Number Current Firmware Status 7 Update Firmware Fim Select SN119901 2 Release 13 2 074 1 028 Release 14 2 074 1 026 e The check box to the left determine which devices are to be updated By ensuring it is checked and clicking on the Update Units button the process of installing the selected firmware begins Note It is important NOT to shut off the power during the update process as this may permanently corrupt the memory of the device TA Al Firmware Update Utility Version 1 1 56 tol Al 5120 Telephone Line Monitors Seral Number Current Firmware Status 7 Update Firmware Firm Select SNT13901 Loading Primary Firmware Application Loading 5120R207A x Once the update process is complete and no errors were detected a green icon is shown to2. Frequency Measurement Accuracy Common Mode Rejection Ratio Waveform Capture Rate Input amp Output BNC Output Unbalanced Ground Referenced Output Impedance Output Level Frequency Range Frequency Response Signal Source Speaker Output Unbalanced Ground Referenced Output Level Load Resistance Frequency Range Frequency Response Signal Source Digital I O Number of Output Pins Output Pin Configuration Output Pin Maximum Sink Current Output Pin Pull up Resistance Number of Input Pins Input Pin Impedance Input Pin Low Level Input Input Pin High Level Input Advent Instruments Inc gt 20 MQ gt 10 MQ 300 Volts Maximum RJ 11 only center two conductors used 1 of reading 0 2 Volts DC to 100 Hz 0 2 dB up to 100 Hz 1 2 ksample s at 16 bits sample lt 10 Vp p Maximum 100 Hz to 18 kHz 0 2 dB 100 Hz to 10 kHz 0 1 1 Hz 100 Hz to 10 kHz gt 55 dB at 60 Hz 20 ksample s at 16 bits sample 600 Q 3 5 Vp p Maximum 10 Hz to 18 kHz 0 2 dB 50 Hz to 10 kHz Tip Ring Tip Ring with user selectable filters 2 8 Vp p Maximum 8 Q to 320 100 Hz to 18 kHz 0 75 dB 100 Hz to 10 kHz Tip Ring Tip Ring with user selectable filters 3 can be set to mirror hook detect status ring detect status and FSK decoder output status Open Collector 25 mA 5 1 KQ 2 100 kQ 0 8 Volts for logic 0 Maximum 2 0 Volts for logic 1 Minimum Al 5120 User Guide Othe
3. N measurements The filter bank contains a selection of programmable low pass high pass band pass notch and C message weighted filters that may be placed in the signal path Al 5120 User Guide Both the rear panel BNC monitor output and speaker jack output can select signals from either before or after the programmable filter bank or from recorded AC coupled signals stored in the AI 5120 s internal memory The gain of each output is adjustable over a wide range 4 2 Indicators amp Connections The AI 5120 front panel is quite simple and only contains four LED indicators and two telephone interface RJ 11 jack The two left side indicators Ready and Communication show the status of the unit and communication activity respectively Under normal operation the Ready indicator should be illuminated If it is flashing an internal fault is detected When the Ready fault conditions and nos ble solutions The communication indicator briefly flashes anytime data is either sent to the PC or received from the PC Data transferred on either the USB or RS 232 causes the indicator to flash dh M ADVENT INSTRUMENTS INC ree elephone Line Monitor i Bypass Ringing gc Communication Off Hook Communication with Host Terminal Equipment Off Hook RJ 11 Connectors Tip Ring Interface Unit Ready Ringing Detected When the Ready indicator is ill
4. allow adjustment of the frequency span center frequency reference level and acquisition settings Al 5i20 Spectrum Analy rer Vref 18 4 dB A 2 2 dB VScale 10 0 dB Div AF 510 Hz 10 0 dE 0 0 dB 10 0 dB 20 0 dB 30 0 dB 40 0 dB 50 0 dB 60 0 dB 70 0 dB 80 0 dB ZVab 4 9 dB A Blackman windo T ppe w F Center J977 Hz 1953 Hz 2930 Hz 4883 Hz Center 2 500 kHz Sweep 52 4 ms Span 4 883 kHz The spectrum analyzer accommodates a maximum span setting of 35 kHz Additional features such as peak hold allow it to capture short transient like signals while spectrum averaging assists in measuring noise levels or repetitive signals The key specifications for the spectrum analyzer are as follows Al 5120 User Guide Bandwidth 100Hz to 35kHz Accuracy 0 2 dB 100Hz to 10kHz 0 5 dB 10kHz to 35kHz Maximum Signal Level 4 Vrms sine wave FFT Window Types Rectangular Blackman Hanning Frequency Span Settings Hz 35000 19531 9766 7813 4883 3906 2441 1953 1563 976 781 390 312 5 156 3 62 5 Center Frequency Programmable Note not all center frequencies are available since negative frequencies and frequencies gt 35kHz will not be displayed Other Features Peak Hold Programmable Averaging Accuracy is specified with Blackman windowing and no signal filters engaged 11 3 Al 5120 Instrument Suite Advent Instruments Inc 3 2 For More Information 12 Detailed inform
5. basic AI 5120 package The figure below shows an example of the oscilloscope capturing a DTMF digit generated by a telephone Similar to a conventional oscilloscope controls located at the right side of the window determine various settings such as vertical scale horizontal time base trigger conditions and cursors AS51208 Digital Oscilloscope AV 252V Stopped Pun F Level Counce Signal In Mode Slo pe Auto Rising Edges Signal In 500 0 m div 1 0 ms div The DSO has a record depth of 5 seconds giving it the ability to capture long dialing or FSK messages while still being able to zoom into the waveform for analyzing details The key specifications for the DSO are presented in the following table Bandwidth 100Hz to 10kHz Accuracy 0 2 dBV 100Hz to 10kHz 10 Al 5120 User Guide Maximum Signal Level 4 Vrms sine wave Trigger Sources Signal In Digital In A Digital In B Trigger Modes Auto Normal Single Trigger Slopes Rising Falling Both Edges Measurements Frequency Peak Peak Voltage RMS Cycle RMS Accuracy is specified with no signal filters engaged The spectrum analyzer can operate simultaneously with the DSO or by itself Represented by a separate window the figure below shows a spectrum of a DTMF digit generated by a telephone Cursors A and B indicate the two dominant frequency components of the signal at 1208 and 698 Hz respectively The controls to the right side of the window
6. memory Normally the waveforms are only stored in the memory until they are uploaded to the PC by the TRsSim software Line State Detection DC Coupled Channel Ring Det amp Meas gt Waveform Capture gt Internal Memory gt gt 50 60 Hz Notch Waveform Capture BNC Output AC Coupled Channel DTMF Det amp Meas A Ef FSK Det amp Meas Speaker Output Prog Filters CAS DTAS Detect Freq Counter RMS Level THD N The AC coupled signal processing path operates independently from the DC coupled path Prior to any signal detection and measurement an optional 50 60 Hz notch filter may be applied This filter helps to minimize the effect of any power line hum pickup Following the optional filter the signals flow to various detection and measurement blocks These monitor the incoming data for DTMF FSK Bell 202 or V 23 and CAS DTAS tones If detected any applicable measurements are made and events are issued to the TRsSim software The waveform capture block is responsible for storing AC coupled waveforms in the AI 5120 s internal memory Unlike for the DC coupled channel any stored AC coupled waveforms may be played back to either the BNC monitor output or speaker output jack Following a programmable filter bank the AI 5120 performs continuous RMS level frequency and THD
7. recorded This information is then transferred to the PC where the TRsSim software is used to view and analyze the data Each recorded waveform can range up to 20 seconds in duration The TRsSim software can capture multiple waveforms encompassing a total monitoring time span of 1000 hours The graphical representation of the AI 5120 is the main control panel The TRsSim software can connect with more than one AI 5120 and each one 1s displayed in a separate control panel window From this window the current telephone line status is shown as well as the DC voltage and AC signal readings In addition any detected events are displayed including their measurement details From the control panel all of the settings for the AI 5120 are accessed as well as viewing event data and waveforms The figure below shows an example of the main control panel Al 37 20 Telephone Line Monitor TWO 50 O 40 S0 z0 10 1 FOE J 1TjEETj EEE ETEfELEf ELEELE EEE dB m l OnHok 48 1 Yde Hz Frl D T Caller ID Message 25 307 hims s3 Caller ID Type we 1 100 ee Telcordia ETSI FSK Caller ID Aa ge hls Message Type DETS Call Setup MDMF m Elapsed Time 3 37 6 Al 5120 User Guide The top portion of the window displays the current line status and signal level Both AC RMS level and DC line voltage are shown AC signal frequency is displayed if sufficient signal level is present Options exist to apply various signal filter
8. routed to the AI 5120 s rear panel BNC output connector or speaker headphone connector This provides a simple means to pass signals to external equipment requiring an unbalanced input A wide range of programmable filters can be inserted in the signal path helping to reject unwanted signals Al 5120 User Guide 1 1 Getting Started Advent Instruments Inc and isolating the desired signals Also available on the rear panel of the AI 5120 is a digital I O connector The three digital outputs can be used to notify external equipment when the telephone line goes off hook when ringing is detected and the decoded bit pattern from the FSK demodulator By using the two digital inputs external equipment can trigger the TRsSim software to record signals present on the telephone line While the TRsSim software is included with every AI 5120 the optional AI 5120 Instrument Suite software converts the unit into a spectrum analyzer and digital storage oscilloscope The spectrum analyzer operates over a 35 kHz bandwidth with features such as variable span peak hold averaging and cursor measurements The DSO portion of the software supports up to a 5 second memory depth in addition to programmable triggers filters and cursors The AI 5120 connects to the PC via either a full speed 12 Mbit s USB 2 0 interface or a legacy RS 232 communications port While the TRsSim software functions with either interface the use of the USB connection 1s strongly reco
9. the left of the device information If the update could not be completed due to errors a message providing information on the error is displayed Please contact us for assistance in resolving the error id Al Firmware Update Utility Version 1 1 56 x Help 2 et T I Al 3120 Telephone Line Monitors Sernal Number Current Firmware Status 7 Update Firmware Firm Select 5Ni119901 D Release 14 2 074 1 028 Updated successfully Get Updates Find Devices Update Units Al 5120 User Guide 21 Appendix A USB Driver Installation Advent Instruments Inc Appendix A USB Driver Installation The WHQL certified driver files are automatically installed along with the TRsSim application and the following procedure should only be required if the end application will not use the TRsSim software The drivers may be installed manually by using the add remove hardware wizard or via the self extracting installer package The following figures show the step by step procedure for installing the USB drivers with this installer package 1 Download the USB installer Package The USB installer package can be downloaded from our website at the following page provided with the instrument a E gt Downloads v gt f Search Downloads Organize v e Open v Share with Burn New folder Ji AppData ESAdventUSBDriverInstall v20802 EXE J AppVerifierLogs lt i File description Win32 Cabinet Self Extractor
10. 6 Al 5120 User Guide Appendix C Support For assistance in hardware setup program installation software operation or general questions please contact us in any of the following methods e Email Technical Questions techsupport adventinstruments com Sales Inquires sales adventinstruments com e In North America Tel 604 944 4298 Fax 604 944 7488 Mail Advent Instruments Inc 111 1515 Broadway Street Port Coquitlam BC V3C6M2 Canada e n Asia Tel 852 8108 1338 Fax 852 3909 2338 Mail Advent Instruments Asia Ltd Unit 42 18 F Block D Wah Lok Industrial Centre Phase II 31 35 Shan Mei Street Fotan Shatin New Territories Hong Kong Al 5120 User Guide 27 Appendix C Support Advent Instruments Inc RoHS Self Declaration Advent Instruments Inc hereby declares that products listed below conform to the European Union s Restriction of Use of Hazardous Substances in Electrical and Electronic Equipment ROHS Directive2002 95 EC The RoHS Directive restricts the use of certain substances including lead mercury cadmium hexavalent chromium and certain halogenated flame retardants such as PBB and PBDE in electrical and electronic equipment Advent Instruments products will have less than the RoHS limits stated below for the six restricted use substances Restricted Substance List Maximum Limit Weight 100 ppm SS y Cadmium Cd 100 ppm Lead Pb 1000 ppm Mercury Hg Hexavalent Chromium C
11. AI 5120 and the PC serial port The AI 5120 s RS 232 data transmissions are fixed at 8 data bits with 1 stop bit and no parity The baud rate is adjustable from a default at power up setting of 9600 bps to a maximum of 115200 bps Ifa break signal at least 11 consecutive space bits 1s detected by the AI 5120 it resets its baud rate to 9600 bps Only three signals are required for communication These are Tx Data Rx Data and Ground The Request to Send RTS and Clear To Send CTS signals have no effect on communication On the AI 5120 s 9 pin RS 232 connector the Data Terminal Ready DTR pin is directly wired to the Data Set Ready DSR pin As such if the PC asserts DTR it can read back that DSR 1s asserted as well Al 5120 User Guide 5 2 TRsSim Software Advent Instruments Inc 2 TRsSim Software 2 1 Introduction The TRsSim software provides a high level graphical user interface to the AI 5120 Operating under the Windows OS XP Vista Windows 7 it controls the AI 5120 via either a USB or RS 232 serial connection When using the TRsSim software the AI 5120 is configured as an event recorder This means it continually monitors the telephone line voltage for events such as on hook or off hook transitions line flashes pulse dialing line polarity reversals DTMF digit detection CAS DTAS tone detection and FSK message detection Once an event is detected any applicable measurements are made and the signal waveform may be
12. Al 5120 Telephone Line Monitor User Guide Advent Instruments Inc Release 1 2d Copyright 2011 Advent Instruments Inc All rights reserved Printed in Canada Advent Instruments Inc 111 1515 Broadway Street Port Coquitlam BC V3C6M2 Canada Internet techsupport adventinstruments com sales adventinstruments com Web Site http www adventinstruments com Telephone 604 944 4298 Fax 604 944 7488 Safety Symbols and Terms When the symbol is present on an instrument it indicates that the operators should refer to the User Guide for more information 1 LoL When the symbol is present it indicates a terminal that is connected to the functional ground of the instrument When the A symbol is present it indicates that the surface may be hot Avoid contact with the surface of the instrument to avoid burns When the 3 symbol is present near a screw it should be connected to a safety earth ground using a wire recommended in the User Guide Installation Categories Advent Instruments products are designed for use and to measure electrical signals that are rated Measurement Category I as described in the International Electrotechnical Commission IEC Standard IEC 606064 The equipment measurement terminals are not designed to be directly connected to the mains voltage or a voltage source with high transient over voltages Advent Instruments Inc Contents Safety Symbols and foie ee ee ee eee eee Ins
13. B Contacts Company Microsoft Corporation k Desktop File version 8 0 6001 18702 rt Daak as pppn 12 13 2010 2 33 PM E Favorites T Links E My Documents di Fax a Scanned Documents di temp ab My Music My Pictures HE My Videos _f Saved Games Je Searches jM Computer amp Local Disk C cog New Volume E G Network Reh AdventUSBDriverInstall v20802 EXE Date modified 12 13 2010 3 32 PM Date created 12 13 2010 2 33 PM Application Size 1 16 MB 22 Al 5120 User Guide 2 Run the USB installer Package Once the file is located on the target computer double click on the file to start the self extraction and the following window will be displayed Welcome to the Device Driver Installation Wizard This wizard helps you install the software drivers that some computers devices need in order to work To continue click Next 3 Click on the Next button to install the driver files Windows will now copy the driver files from the installer package to the target computer The drivers are now installing gS Ea Flease wait while the drivers install This may take some time to complete 5 Al 5120 User Guide 23 Appendix A USB Driver Installation Advent Instruments Inc 4 Confirm the Driver installed correctly Once Windows has completed the installation of the driver files the following window will display the results Confirm that there are two W marks beside both of the listed
14. ation regarding the operation of the software can be found in the AI 5120 Instrument Suite Users Manual document It provides installation and setup instructions along with complete information on its use This document is included with the software installation and can be accessed by selecting the User Manual command from the Help menu As newer versions of the Instrument Suite software are made available they are posted on our web site at http www adventinstruments com Along with software updates the web site also contains the latest versions of any relevant documentation For technical support regarding the AI 5120 or the Instrument Suite software please contact us in any of the manners listed in Appendix C Supporti Al 5120 User Guide 4 Technical Overview 4 1 Block Diagrams The AI 5120 Telephone Line Monitor consists primarily of a high impedance voltage amplifier connected to a digital signal processor via two analog to digital converters By sensing the voltage present on the telephone line the signal processor is able to determine the line state and perform measurements on various signals The following figure shows the major functional blocks of the AI 5120 The voltage on the telephone line is measured by an amplifier presenting an input impedance greater than 10 Mohm to ground for each of the tip and ring leads The high input impedance prevents the AI 5120 from affecting the signals present on the telephone li
15. cies However please ensure the AC voltage source is within the limits printed on the label The AI 5120 does not have power switch To turn the unit on insert the 2mm plug from the supplied power adapter into the matching rear panel jack of the AI 5120 Then plug the power adapter into the mains AC socket In order to turn off the unit remove the 2mm plug from the AI 5120 Al 5120 User Guide 3 1 Getting Started Advent Instruments Inc A single beep will be heard and all four front panel indicators should briefly illuminate for less than one second in duration Following a short delay the Ready indicator should turn on and stay on The other three indicators CCOommunications Ringing and Off Hook should remain off Once the Ready indicator is solidly on the unit is ready for use Al 5120 i M I ADVENT INSTRUMENTS INC Telephone Line Monitor i Bypass _ Ready Ringing _ O Communication Off Hook O A number of checks are performed during the power up cycle Ifa fault is detected the Ready indicator will either flash or remain off If it stays off the fault is serious and may require that the unit be returned for repair or replacement In either case see Appendix B Error Codes for more information and possible corrective action 1 5 Connecting to the PC The AI 5120 can be connected to the PC by either its RS 232 port or USB 2 0 compliant full speed 12 Mbit second port B
16. d PC serial port A minimum of three wires are required to make a serial connection They are TX Data pin 2 RX Data pin 3 and Ground pin 5 The AI 5120 can monitor the PC s RTS pin 7 signal and control the state of the CTS pin 8 signal but does not use them to communicate The DSR pin 6 and DTR pin 4 connections are internally tied together The remaining pins 1 and 9 have no internal connection Advent Instruments Inc www adventinstruments com Monitor Digital In Out RS 232 9 V 300 mA erry oA oB oC iA iB O ade D oo0oo0oo0 We 2 Vrms 600 ohms Made in Canada The BNC output connector can be used to monitor signals from the telephone line Its source impedance is 600 ohms with a maximum output level of 5 Volts peak to peak The 3 mm mono speaker jack to the left of the BNC monitor output performs a similar function and can drive a speaker or headphone directly The load impedance should be in the range of 8 to 32 ohms Both the BNC output connector and mono audio jack have adjustable output gain and are controlled from the TRsSim software To the right of the BNC connector is a 6 pin terminal block This connector provides 3 general purpose digital outputs and 2 general purpose digital inputs The sixth pin provides a ground connection to the AI 5120 The three digital outputs A B C are in an open collector configuration They can each sink up to 25 mA and are pulled high to 5 volts with a 5 1 kohm resisto
17. dditionally the frequency spectrum during the mark interval is shown This is used to extract information about any potential interfering signals Finally the third portion of the report provides a listing of each data byte detected 2 2 For More Information Detailed information on the operation of the TRsSim software for the AI 5120 can be found in the TRsSim Telephone Line Monitor User Guide document It shows how to install and setup the software along with more complete instructions on its use This document is included with the AI 5120 package As newer versions of the TRsSim software are made available they are posted on our web site at http www adventinstruments com Along with software updates the web site also contains the latest versions of any relevant documentation For technical support regarding the AI 5120 or the TRsSim software please contact us in Al 5120 User Guide 9 3 Al 5120 Instrument Suite Advent Instruments Inc 3 Al 5120 Instrument Suite 3 1 Introduction The AI 5120 Instrument Suite is a Windows software package allowing the AI 5120 Telephone Line Monitor to operate as a digital storage oscilloscope DSO and spectrum analyzer The software enables the user to investigate the time domain and frequency domain representation of signals through an intuitive instrument like software interface Note The AI 5120 Instrument Suite p n AI SS100 is an optional software program and not part of the
18. driver names Completing the Device Driver Installation Wizard The drivers were successfully installed on this computer You can now connect your device to this computer I your device came with instructions please read them first Driver Name Status w Advent Instruments CD Ready to use s Advent Instruments CD Ready to use 5 Click on the Finish button to exit the installer The driver is now installed and you may connect the instrument to the PC via a USB cable 6 Connect the Instrument to the PC via the USB cable The following brief popup bubble will appear indicating Windows has detected the new instrument Installing device driver software Click here for status 4 10 PM Be i Ik 12 13 2010 Then a short time later the following popup will appear and the instrument is recognized by Windows and the PC Advent Instruments Device AD Device driver software installed successfully ATPM 0 4 Pe i gt 12 13 2010 24 Al 5120 User Guide Appendix B Error Codes Various AI 5120 error conditions may be detected at power on or during operation If such a condition is detected the Ready indicator starts to flash from its normally solid on state The type of error detected is determined by examining the state of the Ringing and Off Hook indicators The following table lists the various error conditions READY RINGING OFF HOOK Description Corrective Measure Error Indicato
19. ed waveforms to be exported as text or waveform wav files Waveforms can be played back to the BNC output connector speaker output or any installed PC audio sound card Waveform Analysis Software Option Al ET003 The TRsSim software can include an optional component that provides more advanced analysis tools The Waveform Analysis option gives the TRsSim software the following abilities e Show byte and bit level decoding of any FSK waveforms e More detailed physical layer FSK signal measurements e More detailed DTMF signal measurements e Waveform filtering and adjustments e Waveform measurements 8 Al 5120 User Guide Note The Waveform Analysis features are an optional component to the TRsSim software program and not part of the basic package An example of the FSK byte and bit level decoding is shown in the following figure As the recorded signal is zoomed in the window addition information such as the byte and bit values are displayed G Data Recorder 1 A AI 5120 AC Coupled Center 0 35 Spar 3 27 E A physical layer analysis of the same Caller ID message yields additional information The presented report is divided into three parts The first presents timing information on the FSK signal This includes the duration and number of bits or bytes of each section channel seizure mark data and mark out within the signal The second part contains signal measurements such as mark space tone level and frequency A
20. egory I as described in IEC Standard 60664 All connectors and I O are intended for connection to Category I sources unless otherwise described in the manual e Insure the AC power source is compatible with the voltage and frequency requirements stated on the label of the supplied power adapter e Do not operate the instrument with the case opened e Do not allow any liquid to enter the interior of the instrument e Observe all terminal ratings to avoid fire or shock hazards e Avoid exposed terminals Do not touch exposed connections when power is present e Do not operate with suspected failures If damaged is suspected do not continue to operate the instruments until inspected by qualified service personnel e Caution To reduce the risk of fire use only a No 26 AWG or larger telecommunications line cord e The instrument is intended for use in an indoor laboratory environment with an altitude not to exceed 2000m Pollution Degree 2 e To clean the instrument disconnect it from the power supply and then wipe down the exterior with a cloth dampened with a mixture of mild detergent and water After the instrument is completely dry the power supply may be re connected e Refer servicing to a trained personal only 1 4 Powering on the Al 5120 Before powering on the AI 5120 for the first time disconnect any cables connected to the unit The supplied power adapter automatically adjusts to a wide range of input voltages and frequen
21. issing Parameter Data File The parameter data file 1s missing from the flash memory or is corrupted Flashing Flashing Al 5120 User Guide 25 Appendix B Error Codes Advent Instruments Inc If the Ai5120Update exe program has been used at least once after the last calibration execute it again It should be able to restore the missing data If not please contact technical support for assistance Very Fast Very Fast Very Fast Program Stack Fault Flashing Flashing Flashing The AI 5120 software has encountered a software stack fault This error prevents the AI 5120 from responding to any commands and effectively freezes the system The power must be turned off and on in order to restore normal operation Please contact technical support if this error occurs It represents a software problem and should be corrected The following error code is a special case in which the Ready indicator is not flashing This error can only occur shortly after the AI 5120 is powered on READY RINGING OFF HOOK Description Corrective Measure Error Indicator Indicator Indicator Code a Off Off Off Flash Memory Corruption n Failure to execute program The primary DSP application program could not be started This may indicate a corrupted file within the flash memory or a hardware fault Use the Ai5120Update exe program to restore the flash memory contents If this fails to work please contact technical support for assistance 2
22. it can also automatically trigger on events specific to telephony Some of the common events that the AI 5120 detects and analyzes are e DTMF Dialing e FSK Caller ID and ETSI SMS Data e Pulse Dialing e Ringing e CAS DTAS Tones e On Off hook Line Reversals Open Switching Intervals OSI As a line monitor the AI 5120 does not go off hook seize the line or generate tones It only listens The impedance presented by the AI 5120 to the telephone line is over 10 Mohm As such it has little to no effect on any signals present on the telephone line The supplied TRsSim PC software provides a high level graphical user interface for controlling the AI 5120 As events are detected the software displays timing and measurement information In addition waveforms for each event may be recorded for display and further analysis Waveforms can be played back to the AI 5120 s BNC monitor or speaker out or exported as wave files for analysis using various software packages The TRsSim software automatically decodes FSK based Caller ID conforming to the Telecordia ETSI and Japanese NTT standards It displays the message contents at either a high level showing the parameter values or at a low level showing each byte detected Additionally Short Message Service SMS following the ETSI ES 201 912 standard is supported Details of each SMS FSK message can be displayed along with various signal measurements Any signals present on the telephone line may be
23. le the bottom half AC coupled shows the FSK message By clicking on the appropriate buttons the vertical span horizontal span and position of the waveforms can be changed In addition to displaying the captured waveform the TRsSim software can present various reports showing more detailed information This includes measurements for any DTMF digits FSK message bytes Caller ID parameter contents and SMS message Al 5120 User Guide 7 2 TRsSim Software Advent Instruments Inc contents The following figure shows the FSK data layer report for the example Caller ID message me a ETT TTT is ti Cursor On Hook 2011 Mar29 153815 201 2123 A n al co Caller ID Message 2011 Mar29 15 3816 202 300 A 1 089 Caller ID Type Telcordia ETSI FSE Caller ID Message Type Call Setup HDMF Date Time 01h February 05 16 13 Calling Line 02h 0456 789123 Calling Party Hame 07h A Caller Measurements Number Bytes 36 Humber CS Bits 259 Humber Mark Bits 18 Duration 0 708 s CS Duration 0 249 Mark Duration 0 151 Average Level 5 6 dEr Mark Level AE dBm space Level 5 6 dBm Tist 0 0 dE Mark Freq 1300 Hz Space Freq 2100 Hz Baud Rate 1201 bps Fek Data Bytes 30 21 Di 30 32 31 33 02 30 34 38 39 Ji 33 OF 6 6C 6C 72 AC 20 Ringing 2011 Mar29 15 38 16 202 925 Measurements Duration 2 000 z Level BO 1 rme Frequency 22 0 Hz DC Offset 46 0 The TRsSim software includes additional features allowing captur
24. mmended due to the fast data transfer rates The Instrument Suite software requires the USB connection 1 2 Package Contents Use care when unpacking the AI 5120 to avoid damage to the instrument and the packing materials Retain the packing materials in case the unit is to be transported in the future Please o the shipping container and the contents for any damage If visible damage The package should contain the following items e AJI 5120 Telephone Line Monitor e Full speed USB cable e Telephone Cord with RJ 11 Connectors e AC Power Adapter plug type dependent on ordering part number e CD ROM containing TRsSim software USB drivers and Setup software e AJI 5120 User Guide Manual e TRsSim User Guide Manual e Software License Key for TRsSim Application e Software License Key for AI 5120 Instrument Suite e Calibration Certificate Note the AI 5120 Instrument Suite p n AI SS100 is an optional software program and not included as part of the basic AI 5120 package 2 Al 5120 User Guide 1 3 Important Safeguards and Safety Precautions Please read all instructions and save them for future use Observe the following precautions to avoid injury and prevent damage to the AI 5120 or any products connected to it The AI 5120 is intended for use by qualified personnel who recognize shock hazards and procedures to avoid possible electrical shock The AI 5120 is designed for use with electrical signals that are rated Measurement Cat
25. ne in any significant manner Following the amplifier the signals are split into two paths Both signal paths continue through amplifier or buffer stages followed by analog to digital conversion However one of the signal paths is DC coupled while the other is AC coupled The DC coupled channel can accommodate a voltage range of 300 volts with a sample rate of approximately 1200 sample per second This channel is primarily used for detecting DC line conditions on off hook line flash line reversals and ringing The second channel is AC coupled with a maximum voltage range of 10 volts peak to peak and a much faster sampling rate of approximately 20 000 samples per second The AC coupled channel is used for performing DTMF CAS DTAS and FSK detection along with general purpose signal measurements BNC Output AC Coupled Channel RJ 11 Li 600 DAC ADC Jack Line 4 7 Signal mM p Speaker Output pee 10M RJ 11 B DAC ADC Jack ypass Vine DC Coupled Channel Control amp Supervisory Functions USB RS 232 Digital Port Port In Out The digital samples from both AC and DC coupled channels are fed into the signal processing block It performs all of the detection and measurement for ringing DTMF Al 5120 User Guide 13 4 Technical Overview Advent Instruments Inc 14 FSK and CAS DTAS signals In additi
26. on the signal processing block can apply various filters to the AC coupled channel and measure the RMS level frequency and THD N Signals sensed from the telephone line may be routed to either the rear panel BNC output connector or to the speaker output connector The BNC monitor has an output impedance of 600 ohms and can source a maximum voltage level of 5 volts peak to peak The speaker jack output is meant to drive either a speaker or headphone with an impedance in the range of 8 ohms to 32 ohms Its maximum output level 1s 2 8 volts peak to peak The next figure depicts the signal processing flow within the AI 5120 The source of all signal data is from either the DC coupled channel or AC coupled channel Data from the DC coupled channel is routed to three functional blocks that perform line state detection ringing detection amp measurement and wave form capture The line state detection block determines if a connected TE is either in the off hook or on hook state In addition it monitors the line for polarity reversals and open switching intervals The ring detection block checks for the presence of ringing by measuring AC signal level and frequency Ifa valid ringing frequency 10 to 100 Hz and level gt 40 Vrms is detected the front panel Ringing indicator is illuminated The last block in the DC coupled signal path manages the recording of waveforms Upon detection of various events it stores waveforms into the AI 5120 s internal
27. oth connectors are present on the rear panel of the unit If using the TRsSim software with the AI 5120 the USB connection is strongly recommended because of its higher data rate USB incurs less latency when sending commands and receiving the waveform data from the AI 5120 However either connection method operates reliably with the TRsSim software USB Driver The proper drivers must be installed before a USB connection can be established between the AI 5120 and the PC The WHQL USB driver files are automatically installed with the TRsSim application and no further steps should be required If the end use does not require the TRsSim application then it is also possible to install the driver manually the Appendix 4 Al 5120 User Guide l Download the USB driver installation package from our website or from the CDrom 2 Double click on the self extracting installer This normally requires using the administrator privileges in Vista and Windows 7 3 The installer will decompress the files and prompt you through the steps to install the driver files 5 A message should be displayed indicating the successful installation of the two driver files RS 232 The rear panel 9 pin connector of the AI 5120 is configured as a DCE Data Communications Equipment port As the PC is normally configured as a DTE Data Terminal Equipment port a straight though cable is required for the connection Do not use a cross over cable between the
28. r Al 5120 User Guide Host Communication USB Port USB Connector RS 232 Configuration RS 232 Connector AC Line Voltage Frequency Physical Dimensions Weight Operating Temperature Range Storage Temperature Range Operating Altitude Version 2 0 Full Speed 12 Mbit s Standard Type B DCE Data Communication Equipment 9 pin D style connector 100 to 240 Vrms 50 to 60 Hz Width 14 cm 5 5 Height 4 cm 1 6 Depth 20 cm 8 0 680 g 1 lbs 5 to 40 C 80 RH 25 to 70 C 80 RH lt 2000 m 19 5 Firmware Updates Advent Instruments Inc 5 Firmware Updates The AI Firmware Update program provides a simple means of updating all of the system files stored in the AI 5120 s internal flash memory The software can be used to upgrade the system files to the latest version and correct device specific problems if the AI 5120 s flash memory becomes corrupted The program is available from the included CD or from our web site at http www adventinstruments com Once the AI Firmware Update software is installed on a PC connect the AI 5120 to one of its COM ports Power the AI 5120 on and start the firmware update software The software will ask if it should query our website for latest updates It is recommended to click yes to ensure the latest firmware is utilized E5 Al Firmware Update Utility Version 1 1 56 lt Checking for Updates 4 4 Contacting www adventinstruments com
29. r All three digital outputs can be set either high or low An additional setting permits output A to mirror the bit pattern decoded by the FSK demodulator output B to go high if ringing is detected and output C to go high if the connected TE enters the off hook state The two digital inputs A B have an input impedance of 100 kohm The maximum input level to detect a logic low is 0 8 volts while the minimum level to detect a logic high is 2 0 volts Al 5120 User Guide 4 3 Extended Product Support and Warranty Al K001 Additional One Year Warranty The standard product support and warranty period for the instruments is one year This option increases the parts and labor warranty period for another year to a total of two years from date of purchase on the instrument Al K003 Additional Three Year Warranty The standard product support and warranty period for the instruments is one year This option increases the parts and labor warranty period for another three years to a total of four years from date of purchase on the instrument Al 5120 User Guide 17 4 Technical Overview 4 4 Specifications 18 Telephone Interface General Input Impedance tip to ring Input Impedance tip or ring to ground Input Voltage Range Connector Style DC Coupled Channel Voltage Measurement Accuracy Frequency Range Frequency Response Waveform Capture Rate AC Coupled Channel Voltage Measurement Range Frequency Range Frequency Response
30. r mentor fndicator Code Flashing RAM Test Failure 1004 Upon power on a check of the system RAM is performed This error code indicates that one or more data bytes did not pass the check As this represents a hardware fault the only corrective action is to return the unit for repair Flashing Flashing Flash Memory Corruption Can Not Load Calibration The calibration factors are missing from the flash memory or are corrupted If the Ai5120Update exe program has been used at least once after the last calibration execute it again It should be able to restore the missing data If not please contact technical support for assistance Flashing Flash Memory Corruption n a No Program File The primary DSP application program is missing from the flash memory or is corrupted Use the Ai5120Update exe program to restore the flash memory contents Flashing Flashing Flashing Flash Memory Corruption No Startup Script File The startup script file is missing from the flash memory or is corrupted Use the Ai5120Update exe program to restore the flash memory contents Flashing Flashing Flash Memory Corruption Missing Unit ID Code The unit ID code stored in the flash memory is either missing or is corrupted If the Ai5120Update exe program has been used at least once after the last calibration execute it again It should be able to restore the missing data If not please contact technical support for assistance Flash Memory Corruption M
31. r6 Polybrominated Biphenyls PBB Polybrominated Diphenyl Ethers PBDE Product list Model J _ Description o o O O o o Al 5120 Al 5620 Terminal Equipment Simulator Al 7280 Central Office Line Simulator David Stenner Date Jan 21 2007 Advent Instrument Inc 28 Al 5120 User Guide
32. s adjustable low pass high pass band pass and notch in order to minimize unwanted or interfering tones The bottom half of the window shows the recorded events on a time line along with the summary information of the events detected In the example above the time line is viewing a 4 second span showing a Caller ID message transmission Both the time span and time position is adjustable by clicking on the appropriate buttons The selected event in the example above is the detection of a Caller ID FSK message The basic type of message is shown along with time intervals to prior and following events While the window above shows the basic or summary information regarding the events detected further analysis and information is provided by the Data Recorder window In the following figure portions of the captured waveforms for the Caller ID transmission are displayed The AI 5120 records waveforms using two different channels The first channel is DC coupled and provides a maximum range of 300 volts It is used for recording events such as ringing on hook off hook line flash and pulse dialing The second channel is AC coupled with a range of 10 volts peak to peak Sampling much faster than the DC coupled channel it records the DTMF FSK and CAS DTAS events The figure above shows both channels during the example Caller ID transmission The top half DC coupled of the window shows the ringing signal prior to the FSK message whi
33. tallation Categories 00 0000 i 1 Getting Started 1 0 A ic i a i cS cm i TTET EaD aN SI Shh ee hr et pl a ee J 3_Important Safeguards and Safety Precautions 33 da Pontang onthe Al 5120 erasoan nnns kane deeeenen doe eaeenaenan ss 11 5 Connecting to the P 0 A 2 TRsSim Software 6 OEE EET a E A E E T 2 2 For More Information 0 3 Al 5120 Instrument Suite 10 pd Int Od Cl ys est E E sree eesetouwacenerseouseses 5 3 2 For More Information 00 000 LLL 121 4 Technical Overview 13 4 1 Blot Diag os E E E 4 odiato amp Contectians 4 cceseaeesuescereouensesieeneceseneslo3 4 3 Specifications 000000000 181 5 Firmware Updates 20 Appendix A USB Driver Installation 22 Appendix B Error Codes 25 Appendix C Support 27 Al 5120 User Guide i 1 Getting Started 1 1 Introduction The AI 5120 Telephone Line Monitor is a compact device designed to detect and analyze various telephony related signals By sensing the voltage present on the telephone line it determines the line state on hook or off hook in addition to detecting common signals such as DTMF FSK and DC line voltage Working in conjunction with the TRsSim software on a PC the AI 5120 becomes a valuable tool in analyzing and debugging Caller ID and SMS Short Message Service data transmissions Like an oscilloscope the AI 5120 can capture and display waveforms showing the various signals present on the telephone line However unlike an oscilloscope
34. uminated no fault condition then the two right side LED s show when the AI 5120 has detected ringing or when the line state is in the off hook condition Ringing 1s detected if an AC voltage exceeding 40 Vrms with a frequency in the range of 10 to 100 Hz is measured The AI 5120 considers the line state to be off hook if the measured voltage 1s below a specified threshold by default 19 volts A telephone line can be connected to either of the AI 5120 front panel RJ 11 jack as they are configured in parallel to each other Typically the telephone line from the central office PBX or line simulator is connected to one of the RJ 11 jacks while the terminal equipment is connected to the other RJ 11 jack Al 5120 User Guide 15 16 4 Technical Overview Advent Instruments Inc Al 5120 Line Bypass 300 V Peak CAT I CO Line Terminal Equipment The next figure shows the configuration of the AI 5120 rear panel The right most 2 mm jack supplies DC power to the unit The connection to the PC or any other host is made via either the USB type B connector or the 9 pin RS 232 connector It is possible to transfer data to the AI 5120 over both the USB and RS 232 ports simultaneously However the TRsSim software is configured to only use one of the two ports The 9 pin RS 232 connector is configured as a DCE Data Communications Equipment As such no cross over cable is required when making a connection to a standar
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