PROLITE-75 manual - Test Equipment Depot
Contents
1. 4 2 2 3 REFERENCE function REFERENCE function allows you to define the reference values that will be used for LOSSES measurement see Figure 11 To access the REFERENCE function 1 From the GPON METER function press the soft key REFERENCE F3 GET REFERENCE POWER di 03 58 52 WAVELENGTH REFERENCE 48 B den 8 8 dBm 40 8 dBm 0 8 dBm Press softkey to get Reference Power 1318 nm 1498 nm 1558 nm Fi F2 F3 F4 FS Figure 11 REFERENCE function To take a reference value press the softkey corresponding to the wavelength at which you want to capture the new value By doing this the system will take as a reference value the id given on the column POWER Once you have the captured value pressing a 12 you confirm and store it on the device s memory Data shown on the screen is next WAVELENGHT It displays the wavelength and the data when the level of reference was taken POWER Displays real time absolute power for each wavelength REFERENCE Displays the current reference power in dBm To upgrade the power reference press the softkey corresponding to the wavelength at which you desire a new reference value At the bottom of the screen soft keys provide access to the next options BACK F1 It returns to the GPON METER screen see section 4 2 2 1310 nm F3 lt captures the reference power at 1310 nm Once G SEL captured confirm the value pressing the key MS 7122. 4 2 3 VISUAL FAULT LOCATOR Module The FAULT LOCATOR module emits a visible laser beam Connecting the output of the laser instrument to the cable to check you can find cuts or breakings identify fibers etc To access the FAULT LOCATOR module MENU 1 Press the key ae 17 Se 2 Press the arrow keys 2 11 until the option FAULT LOCATOR is shaded Kien SEL ey 3 Press Va 17 or _ 12 It appears the FAULT LOCATOR screen Figure 17 and 18 04 2009 Page 25 AAPROMAX USER S MANUAL PROLITE 75 VISUAL FAULT LOCATOR 06 58 52 LASER OUTPUT NOT ACTIVE MODULATION 1 Ha 50 OFF OPTICAL POWER 8 dBm WAVELENGTH 658 nm MOD ON OUT ON Fi F2 F3 F4 F5 Figure 17 FAULT LOCATOR module NOT ACTIVE VISUAL FAULT LOCATOR dI 26 58 52 LASER OUTPUT ACTIVE MODULATION 1 Ha 50 OFF OPTICAL POWER dBm WAVELENGTH 658 nm Fi F2 F3 F4 F5 Figure 18 FAULT LOCATOR module ACTIVE On the screen appears features of the laser Laser status Active or Not Active Modulation Active ON or not OFF laser pulses Optical Power Power consumption of the laser Wavelength Wavelength of the laser At the bottom of the screen softkeys provide access to the next options BACK F1 Returns to the main screen MOD ON OFF F4 Actives Disables the laser modulation at 1 Hz OUT OFF ON F5 Actives Disables the laser beam Page 26 04 2009 4 3 C
3. Page 20 04 2009 1490 nm F4 It captures the reference power at 1490 nm Once UL SEL captured confirm the value pressing the key NX 12 1550 nm F5 It captures the reference power at 1550 nm Once SEL captured confirm the value pressing the key N 12 4 2 2 4 THRESHOLD function The THRESHOLD function allows you to edit the threshold values that will be used during measurement To access the THRESHOLD function 1 From the GPON METER function press the soft key THRESHOLD F4 The THRESHOLD function allows you to define a minimum threshold value LOW and maximum HIGH of acceptability for each wavelength Fig 12 Once defined they appear in the graph at the GPON METER function in the shape of a line with an x in the middle x Fig 7 Status level defined by the threshold values are Power level above the maximum threshold value is equal to HIGH Power level between the maximum and minimum threshold value is equal to GOOD Power level below the minimum threshold value is equal to LOW In addition LEDs associated with the ONT and OLT signals 5 change its colour depending on the power signal level If level is LOW the colour of the LED is RED If the level is MEDIUM the colour of the LED is GREEN If the level is HIGH the colour of the LED is ORANGE 04 2009 Page 21 AAPROMAX USER S MANUAL PROLITE 75 THRESHOLD EDITOR 4 03 58 52 THRESHOLD E NAME Gr
4. dB Isolation 1330 nm 1490 1550 nm gt 50 dB 1490 nm 1550 nm gt 50 dB Page 2 04 2009 USER S MANUAL PROLITE 75 Connectors ONT OLT Internal Fibre optic Dinamic Range ONT Input OLT Input FAULT LOCATOR LASER type Wavelength Optical Power Modulation Connector ALIMENTATION Li lon Battery Low Battery Indicator Operating time Auto Power Off Battery Charging Consumption Mains Adapter AXPROMAX SC APC SMF 28e From 30 dBm to 10 dBm From 40 dBm to 20 dBm FP 650 nm 2 dBm monomode fibre class 2 1Hz 50 Universal Receptacle 2 5 mm 7 4 V 4 8 Ah Graphic indicator on screen 11 h approx Disconnecting after not using for 10 minutes configurable By fast internal charger 22 W AL 103 100 a 240 V AC 50 60 Hz 12 V DC ENVIRONMENTAL CONDITIONS This equipment can be used on the following environmental conditions on these conditions the specifications could also be applied Altitude Temperature range Max relative humidity MECHANICAL FEATURES Dimensions Weight INCLUDED ACCESORIES External DC power supply Feeder cable car Carrying case Mains cord Cordless Data Transfer USB to PC Software for PC PROLITE 75 Transport suitcase 1x AL 103 1x AA 103 1x 0 FD0090 1x CA 05 1x CC 209 1x RM 027 tx PG4332 Up to 2 000 m From 5 C to 40 C 80 up to 31 C Decreasing lineally up to 50 at 40 C W 160 x H 230 x D 5
5. threshold values FAULT LOCATOR Status LED RED laser beam working and GREEN laser disabled OTDR Status LED Backlit LCD USB connector for connecting to a computer Contrast Dial Arrow keys SEL Selection key Alphanumeric keypad made up of 12 keys Battery charge LED indicator O Starting up Turning off key Crt e Jee Jee Js J SOFTKEYS made up of 5 function keys ey Shortcut key to the main menu DC Adaptor Power Input Page 10 04 2009 users manual prouvers LAN PROIMIAXY 4 2 Operating Instructions The two main functions of the PROLITE 75 are accessible from the main menu meno after pressing the key S 17 Installed Modules 1 GPON METER This option allows you to measure simultaneously the three wavelengths used in fibre optic distribution and take a more detailed analysis of the Upstream signal for details see 4 2 2 2 FAULT LOCATOR This option generates a visible laser beam for locating problems in a fibre network for details see 4 2 3 Optional Modules not installed by default 3 OTDR It is an expansion module for measuring length attenuation and events along the fibre 4 CHANNEL ANALYSER It is an expansion module that makes a spectral analysis of the optical signal MENU To access any of these menus press __ 17 to access the main menu and MENU then press the key Pa 1 until the desired option is shaded Then press fu 17 or sed S
6. 0 mm 1 4 kg battery and safety case included RECOMMENDATIONS ABOUT THE PACKING It is recommended to keep all the packing material in order to return the instrument if necessary to the Technical service 04 2009 Page 3 AAPROMAX USER S MANUAL PROLITE 75 Page 4 04 2009 2 SAFETY RULES AN 2 1 x Generals The safety could not be assured if the instructions for use are not closely followed The external DC charger is Class equipment For safety reasons plug it to a supply line with the corresponding ground terminal Use the mains adapter in Over Voltage Category II installations and Pollution Degree 1 environments It is for INDOOR USE When using some of the following accessories use only the specified ones to ensure safety Power adapter Car cigarette lighter adapter Mains cord Observe all specified ratings both of supply and measurement Use this instrument under the specified environmental conditions The user is not authorised to manipulate inside the instrument Any change on the equipment should be carried out by qualified personnel Follow the cleaning instructions described in the Maintenance paragraph 04 2009 Page 5 AAPROMAX USER S MANUAL PROLITE 75 DIRECT CURRENT ON Supply ALTERNATIN RRENT acu OFF Supply DIRECT AND ALTERNATING DOUBLE INSULATION Class II protection CAUTION Risk of electric shock GROUND TERMINAL PROTECTIVE CONDUCTOR CAUTIO
7. EL XN 12 MAIN MENU ql 93 19 01 FAULT LOCATOR j NOT INSTALLED NOT INSTALLED LIGHT OFF Fi F2 F3 F4 FS Figure 4 Main Screen 04 2009 Page 11 AAPROMAX USER S MANUAL PROLITE 75 At the bottom of the screen appears the following options LIGHT OFF ON F1 Turns ON OFF the backlight SETUP F5 This menu allows you to edit basic characteristics of the instrument such as time date and language among others more details on 4 2 1 MENU After pressing the shortcut key en 17 the system comes back to the main menu regardless the submenu where it is Page 12 04 2009 MENU TREE PROLITE 75 iit y Figure 5 General view of the menu tree 04 2009 Page 13 AAPROMAX USER S MANUAL PROLITE 75 4 2 1 SETUP mode This menu allows you to edit basic parameters of the instrument such as time date and language among others To access the SETUP mode 1 Press the key 17 2 Press the soft key SETUP F5 It will appear a screen with parameters of the system to configure Fig 6 SYSTEM CONFIGURATION di 93 35 51 PTIME 03 35 DATE 21 84 2008 LANGUAGE ENGLISH BEEP ON AUTO POWER OFF OFF BATTERY 7 3 U FIRMWARE 1 129 SERIAL NUMBER 18345 Fi F2 F3 F4 F5 Figure 6 SETUP screen To change the status or value of a parameter Ja 1 Use the arrow keys Se 11 to move the cursor along the menu M SEL 2 Go to the parameter you want to change and p
8. N REFER TO MANUAL FRAME TERMINAL FUSE EQUIPOTENTIALITY 2 2 Specific Prescriptions Use the FAULT LOCATOR output with caution See description on the 4 1 section Keep closed the cover of this output when not using it The FAULT LOCATOR output emits visible laser light at 650 nm wavelength and 0 dBm power in a divergence beam of 0 15 rad ja Bear in mind warning messages next to the output laser Ek Do not manipulate inside the instrument it could cause a dangerous laser radiation 2 3 Descriptive Examples of Over Voltage Categories Cat Low voltage installations isolated from the mains Cat Il Portable domestic installations Cat Ill Fixed domestic installations Cat IV Industrial installations Page 6 04 2009 3 INSTALLATION 3 1 Power Supply The PROLITE 75 is a portable instrument powered by a Li lon battery Before performing any action you must ensure that the battery is charged 3 1 1 Charging the battery The instrument is supplied with a mains adapter in order to power or charge the battery There are two situations that can arise in the battery charging process 1 Stopped Instrument When connecting the external power it will start a rapid charging cycle whose duration will depend on the battery status It will take three hours for a discharged battery The charging indicator on the front panel see Figure 3 14 will remain lit in amber colour during this period At the end of chargin
9. PROLITE 75 OPTICAL ANALYSER Test Equipment 99 Washington Street Depot Melrose MA 02176 Phone 781 665 1400 1 800 517 8431 Toll Free 1 800 517 8431 hal 8 1 An 7 S TISTE 0 MI1652 A PROMAX users manual proureys o APRA TABLE OF CONTENTS ll GENERAL EET E csnasaseanqastsanaasansnetcasiee 1 1 1 D SCIIPTION i wiii ana 1 1 2 Specifications miis a pe 2 2 SAFETY RULES cuicos 5 2 1 7 47 71 1 iii ia 5 2 2 Descriptive Examples of Over Voltage Categories 0 msrss 6 3 INSTALLATION c coco nr 7 3 1 Power Supply EEN 3 1 1 Charging the battery wk 3 1 2 Recommendations using the battery onoccniconinicnncnncnnnanaranonaninanananano 8 3 2 Installation and starting Up rrrenenennnennennnnnnnennanensennannnnenaennnneas 8 3 2 1 Adjusting COntaSt lt a caia 8 4 OPERATING INSTRUCTIONS 119 4 1 Description of the controls and elements A 4 2 Operating Instructions eee 11 4 2 1 SETUP mode 14 4 2 2 GPON METER Module an 15 4 2 2 1 LOSSES Function siss 17 4 222 ON FUNCION M nta 18 4 2 2 3 REFERENCE function cronica 20 4 2 2 4 THRESHOLD function vis 4 2 2 5 LOGGER fUNCtHON wwe ccccscatessasccscsececssanscscsescdeatsseanciscnaiivstesasecnaiiestactsaces 22 4 2 3 FAULT LOCATOR Module 0 c cceceeeceeeeeeeeeeeeneeee
10. e and Time of acquisition Average level power for each wavelengths Relative level power for each wavelengths Threshold group used The PROLITE 75 allows you to store up to 100 acquisitions or loggers These measures are stored on its memory for later view printing or transfer to a PC The LOGGER main screen shows a list with all loggers stored until now On the left side of the logger line it indicates the logger number followed by date and time of acquisition When saving a logger system assigns automatically a registration number to the new file which is correlated to the numbering in the list of loggers It can also reuse a number from a logger that was removed To select a logger you should press the arrow keys 11 until the cursor points at the desired logger LOGGER UU 12 33 64 gt O 13 04 23 16 06 2608 LOGGERGA 1 13 16 08 11 06 2008 LOGGERG1 3 17 45 68 11 86 2088 LOGGERO3 Fi F2 F3 F4 FS Figure 13 List of stored loggers If there are not loggers stored it is displayed the message EMPTY LOGGER At the bottom of the screen the soft keys provide access to the next options BACK F1 Returns to the GPON METER screen see section 4 2 2 04 2009 Page 23 AAPROMAX USER S MANUAL PROLITE 75 DEL F2 Removes the logger the cursor is pointing The system reguires confirmation To confirm deleting you should press F4 To get out without deleting you should press F5 VIEW F3 Displa
11. eam signal over time see section 4 2 2 2 REFERENCE F3 This function allows you to enter the reference values for LOSSES measurement see section 4 2 2 3 THRESHOLD F4 Using this function you can define and save some threshold values in groups Later they can be used for a measurement see section 4 2 2 4 LOGGER F5 Pressing this key you can save measures taken at the time see section 4 2 2 5 4 2 2 1 LOSSES Function The LOSSES function calculates the insertion loss of each wavelength with respect to some reference values acquired by the user The Insertion Loss of a line is the ratio of the power received at the end of the line to the power transmitted into the line The loss of signal power is due to the different elements that are in the optical fibre system such as connectors splices and couplers To access the LOSSES module 1 From the GPON METER function press the softkey LOSSES F1 INSERTION LOSSES METER d 90 03 36 40 30 20 10 0 10 20 30 40dB H 1319 nm 25 8 dB i 1498 nm t 75 0 dB a 1558 nn _ dB 40 30 20 10 0 10 20 30 40dB ONT REFERENCE THRESHOLD LOGGER Fi F2 F3 F4 FS Figure 8 LOSSES screen 04 2009 Page 17 AAPROMAX USER S MANUAL PROLITE 75 The screen shows Figure 8 the loss or gain of the power in dB units for each of the wavelengths in the form of a horizontal bar graph and in numerical format The central point 0 of the graph re
12. eseeeeeseeseeeseaeenaeees 25 4 3 Connecting DEVICES ioinianiiosinaastin ira a ia 27 5 MAINTENANCE 0 ceceeeeeeteeeeees 29 5 1 Instructions for returning by mail 2 29 5 2 Method of maintenance 1 29 5 2 1 Cleaning the cover 29 5 3 Components which user can not replace 29 5 3 1 Not replaceable fuses by user 0 wenrarnraras 29 AAPROMAX USER S MANUAL PROLITE 75 users manual prourers LAS PROIMIAXY OPTICAL ANALYSER PROLITE 75 1 GENERAL 1 1 Description The PROLITE 75 is a tool to install maintain and analyse general fiber optic systems and particularly FTTx GPON systems GPON networks use FTTx PON technology delivering speed higher than 1 Gbps In such networks Upstream signals are sent by the ONT Optical Network Termination in bursting mode that is it sends a large amount of information in short time The GPON METER module of the PROLITE 75 has a function designed specifically to analyse the behaviour of these signals over time In the design of the PROLITE 75 it was paid special attention to create a practical and accurate instrument and at the same time easy to use In this way it has been created a menu that allows accessing to the different operating modes directly through a simple system ambidextrous of softkeys cursor keys and an alphanumeric keypad Once inside a function of the instrument it is very easy to modify any parameter All th
13. g and in full charge the indicator will be green 2 Instrument in operation When connecting the charger it will start a charging process in a lower regime and therefore longer At the end of charging and in full charge the indicator will change from amber to green colour dr Figure 2 Mains adapter connected to the PROLITE 75 Before using the power adapter make sure the adapter is suitable for the mains voltage PRECAUTION 04 2009 Page 7 AAPROMAX USER S MANUAL PROLITE 75 3 1 2 Recommendations using the battery If anticipating a long period of inactivity of the instrument it is advisable to store it with battery fully charged and at temperatures below 25 C It is advisable in these cases doing every 3 months a cycle of charging discharging and a subsequent half charge i e 50 3 2 Installation and starting up The PROLITE 75 has been designed for using as a portable equipment A fully charged battery can power the device for more than 11 hours The screen shows a battery icon II indicating the status of the battery charge Four vertical black lines indicate the battery is full charged As the battery decreases the lines disappear When shows a single line C the battery should be recharged When starting up with a very low level battery may be the PROLITE 75 could start up because of residual energy remaining at the battery but the equipment will be disconnected automatically BEFORE displaying
14. is makes the PROLITE 75 a great tool for installing and maintaining this type of installations Results will be displayed just plugging the fibre cable from the distribution centre to the OLT input connector and the fibre cable from the user to the ONT input connector Then pressing a key you will see the results on the screen When the PROLITE 75 is taken measures it acts as a pass through instrument and extracts a small percentage of the signal to measure so the optic fibre service is not interrupted E 66 5 SS lt SIN i Figure 1 p En The instrument has an USB output connector to connect it to a computer In this way you can obtain reports or update firmware Next are explained functions of the PROLITE 75 04 2009 Page 1 AAPROMAX USER S MANUAL PROLITE 75 The GPON METER performs filtered and individualized measurements for the three wavelengths used in fibre 1490 1550 nm for Downstream and 1310 nm for Upstream and displays them simultaneously on screen It allows you to define and store different threshold values The ONT shows graphically the Upstream signal over time This function is especially designed for GPON technology in which the signal is transmitted in burst mode The LOSSES function allows measuring insertion losses defining a reference value By the FAULT LOCATOR module you can generate a visible laser beam and allows you to change it in the form of continuous laser beam or pulses Co
15. m of the screen it appears the next information read only BATTERY Indicates the battery charge in voltage FIRMWARE Indicates the firmware version of the instrument SERIAL NUMBER It is an unique identifier number for the instrument 4 2 2 GPON METER Module The GPON METER module performs filtered and individualized measurements for the three wavelengths used in optic fibre for signal transmission 1490 1550 nm for Downstream and 1310 nm for Upstream and displays them simultaneously on screen To access the GPON module GON MENU 1 Press the key CEY 17 2 Press the arrow keys until the GPON METER option is shaded P PON ueno SEL 3 Press the key _ 17 or N 12 It appears the GPON METER main screen Figure 7 04 2009 Page 15 ZXPROMAX USER S MANUAL PROLITE 75 GPON SELECTIVE METER dM GB 03 36 10 roe 8 10 20 RELAT IVE ONT C THRESHOLD LOGGER Fi F2 F3 F4 FS Figure 7 GPON METER main screen in ABSOLUTE mode The screen shows a box chart divided into three equal parts Each one shows the power level for a given wavelength in a graphical and numerical way At the bottom it identifies what wavelength belongs to each division Left division corresponds to the wavelength 1310 nm of UPSTREAM and the other two 1490 and 1550 nm to the DOWNSTREAM The ABSOLUTE measurement mode is the measurement of the absolute value of the signal strength in dBm dB referred to 1 mW as oppo
16. nnecting the laser output to the cable to check you can find cuts or breaks identify fibres etc LOGGER function stores up to 100 measurements on the memory In each data acquisition is stored each wavelength measure and its related data It can be reviewed later transferred to a PC and printed The PROLITE 75 can be expanded with two more modules an OTDR module and an channel analyser module The design of the PROLITE 75 is adapted for fieldwork is compact and resistant to adverse conditions Backlight LCD of 5 inches and contrast dial provides an excellent visibility for reading Sizes of arrow keys and selection keys are adequate and they are prepared for ambidextrous usage An ergonomic silicone case perfectly adapted protects the instrument from hitting or accidental falling and facilitates holding it Slider silicone covers keep input and output connectors from dust and other external agents and they are built into the instrument The Li lon battery is rechargeable and it has a long operation time In conclusion the PROLITE 75 is the ideal tool for any installation of optic fibre because is ergonomically designed robust easy to use and economical It has all the functions needed to make an installation and onward maintenance 1 2 O GPON Operating Wavelength Range ONT Input 1270 nm 1350 nm OLT Input 1480 nm 1500 nm 8 1535 nm 1565 nm Insertion Loss ONT OLT lt 1 2 dB Polarization dependent loss lt 0 2
17. nnel qualified in the servicing of instruments 5 2 1 Cleaning the cover CAUTION Do not use scented hydrocarbons or chlorized solvents Such products may attack the plastics used in the construction of the cover The cover should be cleaned by means of a light solution of detergent and water applied with a soft cloth Dry thoroughly before using the system again CAUTION To clean the contacts use a dry cloth Do not use a wet or damp cloth CAUTION Do not use for the cleaning of the front panel and particularly the viewfinders alcohol or its derivatives these products can attack the mechanical properties of the materials and diminish their useful time of life 5 3 Components which user can not replace 5 3 1 Not replaceable fuses by user F001 y F002 FUS 7A T 125V 04 2009 Page 29
18. on the screen the low level battery indicator 3 2 1 Adjusting contrast LCD adjustment contrast is done via the dial see Figure 3 10 located at the right side panel of the instrument By turning the dial is possible to adjust the screen contrast to get the best display in any environmental condition By turning anti clockwise the contrast decreases By turning clockwise it increases The new value of contrast is kept when the instrument turns off Page 8 04 2009 users manual proureys o APRA 4 OPERATING INSTRUCTIONS 4 1 Description of the controls and elements Front panel 1 ja a 3 5 16 17 U 6 MG Mey s JAI gt 11 a 12 10 a z sa de 5n bu 13 79 8x PROUT ype gt Aa 14 O 15 18 Figure 3 Front panel 1 SC APC Female connector for ONT input signal 1310 nm 2 SC APC Female connector for OLT input signal 1490 1550 nm 3 Universal receptacle 2 5 mm for laser output 650 nm AN CAUTION VISIBLE LASER BEAM 650 nm DO NOT STARE INTO THE BEAM CLASS 2 CATEGORIE LASER FOR THE VFL MODULE 4 SC APC Female connector for the additional OTDR module 04 2009 Page 9 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ZXPROMAX USER S MANUAL PROLITE 75 GPON Status LEDs LEFT LED ONT Upstream RIGHT LED OLT Downstream COLOURS GREEN within threshold values RED below threshold values and ORANGE above
19. onnecting Devices The instrument allows connecting a personal computer to transfer data via USB cable 1 To make the connection between the instrument and the computer first you should disconnect both from the mains 2 Connect the cable end to the USB connector 9 at PROLITE 75 and the other end into the USB port of the computer If there is any error during transmission a message show up on screen to warn about the error The control software manages the data downloaded from the instrument 1 LOGGER Edits and saves on the computer loggers from the instrument 2 UPGRADE Upgrades to the latest firmware version For more details consult the software user s manual 04 2009 Page 27 AAPROMAX USER S MANUAL PROLITE 75 Page 28 04 2009 5 MAINTENANCE AN This part of the manual describes the maintenance procedures and the location of faults 5 1 Instructions for returning by mail Instruments returned for repair or calibration either within or outwit the guarantee period should be forwarded with the following information Name of the Company name of the contact person address telephone number receipt in the case of coverage under guarantee and a description of the problem or the service required 5 2 Method of maintenance The method of maintenance to be carried out by the user consists of cleaning the cover and changing the battery All other operations should be carried out by authorised agents or by perso
20. oup 9 WAVELENGTH LOW HIGH A 25 Od n 50 den P 15 0d 7 Baen BACH PREU NEXT Fi F2 F3 F4 F5 Figure 12 THRESHOLD function To move between editable fields you should press the softkey PREV F4 previous field or NEXT F5 next field g Once on the field to edit a value you should use arrow keys E 11 or the alphanumeric keypad 13 Fields displayed on the screen are THRESHOLD Its a numeric value that identifies a set of threshold values NAME It is the name that defines a set of threshold values WAVELENGHT It indicates the wavelength to which will be applied the threshold values shown on the screen LOW It defines the minimum threshold for a given wavelength HIGH It defines the maximum threshold for a given wavelength At the bottom of the screen the soft keys provide access to the next options BACK F1 It returns to the GPON METER screen see 4 2 2 PREV F4 It goes to the previous editable field NEXT F5 lt goes to the next editable field 4 2 2 5 LOGGER function LOGGER function performs data acquisitions and stores them on the instrument Later you can view or print those data Page 22 04 2009 users manual prouvers LAS PROIMIAXY To access the LOGGER function 1 From the GPON METER function press the soft key LOGGER F5 The data stored in a logger is Power at 1310 1490 and 1550 nm dB Status Message regarding power level LOW GOOD HIGH Dat
21. presents the reference level acquired From this reference level the signal power can grow or decrease Typically in a signal that goes to the OLT Downstream 1490 1550 losses may grow but when goes to the ONT Upstream 1310 may decrease as it approaches to the emission center The bar graph can represent gain losses up to 40 dB with regard to the reference level The end of each bar graph will show an arrow when exceeding this value In numeric format will show the real value At the bottom of the screen softkeys provide access to the next options METER F1 Pressing this softkey returns to the GPON METER function see paragraph 4 2 2 ONT F2 Pressing this softkey you will get into the function to measure Upstream signal over time see paragraph 4 2 2 2 REFERENCE F3 This function allows you to enter the reference values for measuring LOSSES see paragraph 4 2 2 3 THRESHOLD F4 Using this function you can define and save some threshold values in groups Later they can be used for a measurement see paragraph 4 2 2 4 LOGGER F5 Pressing this key you can save measures taken at the time see paragraph 4 2 2 5 4 2 2 2 ONT function The function ONT TIME ANALYSER performs the characterization of a ONT signal In this way allows displaying the pulses activity of the Upstream signal 1310 nm over time Also allows time scale to be change resolution This analyser is specially designed to catch BURST signals
22. ress the selection key XN 12 3 The cursor will move next to the parameter value Now you can change that value using the arrow keys or the alphanumeric keypad depending on the parameter M Y SEL 4 After making changes press again the selection key _ 12 to save new values 5 To exit the Configuration Mode and return to the main menu press the key fu a7 Page 14 04 2009 users manual emoumezs LAS PROIMIAXY Editable parameters are next a HOUR It indicates the current time Enter hours and minutes by the alphanumeric keypad To enter the symbol between hours and minutes you should use the key Kald which is in the alphanumeric keypad b DATE It indicates the current date in European notation dd mm yy Enter the day month and year by the alphanumeric keypad To enter the hyphen symbol between numbers press the key which is in the alphanumeric keypad c LANGUAGE The language selected will be used on menus and screen Use the arrow keys to move among available languages Spanish English German and Portuguese d BEEP This parameter enables ON or disables OFF the acoustic indicator that beeps when pressing any key e AUTO POWER OFF This parameter allows you to activate ON or disable OFF the auto power off function When this feature is active the instrument will automatically disconnect from power supply after ten minutes without pressing any key At the botto
23. sed to LOSSES mode representing the measure of the signal power in dB The AVERAGE power of the Upstream signal 1310 nm is represented graphically superimposed on the peak value in opaque texture Two marks in each division x represent the maximum and minimum threshold values for each wavelength The screen displays status messages depending on the power level in relation to the maximum and minimum threshold values see figure 7 They are next When the power is below the minimum threshold value it will appear the status message LOW When the power is within the threshold values the status message will be GOOD When the power is above the maximum threshold value the status message will be HIGH At the bottom of the screen it is displayed the THRESHOLD GROUP to which belongs the threshold values shown on screen It shows the given name of the threshold group using currently Threshold values can be grouped and saved in the memory of the instrument Then you can select the one more suited you want If this field is shaded pressing the arrow keys 11 you can move among the groups of threshold values saved on the memory Page 16 04 2009 users manual emoumezs o APRA At the bottom of the screen softkeys provide access to the next options LOSSES F1 Pressing this softkey you can measure the insertion losses see section 4 2 2 1 ONT F2 Pressing this softkey you will get into the function to measure Upstr
24. that is when it is sent a lot of information in a very short time To access the ONT function 1 From the GPON METER function press the softkey ONT F2 Page 18 04 2009 users manual prourers o APRA ONT TIME ANALYSER qi 12 33 04 1318 nn pia 16 0 cen AVG 1 30 0 dBm DUTY CYCLE 8 1 EXTINCTION RATIO 1 dB Fl F2 F3 F4 FS Figure 9 ONT Analyser To use this function the meter has to be connected directly to a single ONT terminal see fig 10 If you connect the meter to an intermediate point in the network it can take part more than one ONT and then the analysis would not be correct M jg Figure 10 Direct Connection to an ONT The measures shown on the screen are PK Peak power of the Upstream signal AVG Average power of the Upstream signal DUTY CYCLE Cycle of work defined as the percentage ratio between the pulse duration and period EXTINCTION RATIO Ratio of two optical power levels in dB of a digital signal generated by an optical source where P1 is the optical power level number 1 when the light is on and P2 is the optical power level number 2 when the light is off To change the time scale press the cursor keys 11 Available values are from 50 microseconds to 100 ms At the bottom of the screen softkeys provide access to the next option BACK F1 Returns to the GPON METER function see section 4 2 2 04 2009 Page 19 AAPROMAX USER S MANUAL PROLITE 75
25. ys the data stored in the selected logger Figure 14 and 15 VIEW LOGGER WM 93 31 59 LOGGERS 83 30 46 21 04 2008 FROM ONT BURSTED 1318 m 15 8 den E FROM OLT 1498 nm 46 8 dBm Low 1550 nn 48 0 den HIGH 1558 nm PRINT Fi F2 F3 F4 F5 Figure 14 Logger General Screen VIEW LOGGER d 93 31 52 LOGGEROS 83 30 46 21 04 2008 FROM ONT BURSTED 1318 nn 15 8 den H AVERAGE 27 6 dBm RELAT IVE 11 1 dB REF 4 7 dBm at 03 28 21 04 08 THRESHOLD Group 5 8 dBm 25 0 dB Fi F2 F3 F4 F5 Figure 15 1310 nm Signal From VIEW LOGGER pressing BACK F1 it will return to the previous screen LOGGER From VIEW LOGGER pressing 1310 nm F2 it will display the measures of the wavelength 1310 nm From VIEW LOGGER pressing 1490 nm F3 it will display the measures of the wavelength 1490 nm From VIEW LOGGER pressing 1550 nm F4 it will display the measures of the wavelength 1550 nm Page 24 04 2009 users manual emoumezs o APRA From VIEW LOGGER pressing PRINT F5 the logger print directly to a printer STORE F4 Stores all measures in a logger file STORE LOGGER d 96 58 52 This measure will be stored asi LOGGERO1 SAVE QUIT Fi F2 F3 F4 F5 Figure 16 Storing a Logger From STORE pressing SAVE F4 It generates a logger where data is stored From STORE pressing QUIT F5 Storage is cancelled PRINT F5 It prints the data from the logger selected see section 4 3
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