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User`s Manual for GM8001B V1.02

1. Hinlax Hode Off Data Points Humber of Digits Fig 5 GM8001B menu of a power meter module How to Switch On Off the Laser Pressing SEL to select the slot for Laser Source Module the Laser On and Laser Off softkeys can enable or disable the laser output How to Change the Parameter Units The units of frequency and power may be changed To change the units 1 Select the destination slot 2 Move the highlighted mark to the parameter required to change units by pressing up or down softkey 3 Pressing the unit softkey may change the units of the specified parameter How to Accept the New Value of a Parameter When you changed the value of a parameter to accept this change e Press the ENT hardkey e Press the OK softkey These two keys all perform the same purpose All references to pressing OK throughout this User s Manual refer to one of these two actions 10200004 R1 02 www ucinstruments com 16 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to Cancel the Editing If you make a mistake while you are editing a parameter you can cancel the editing and retain the previous value for the parameter by pressing the Cancel softkey How to Change the Value of a Parameter What follows is a description of the way of change the value of parameters Select a Parameter You can select the parameter from the following screens e from the Details screen after pressing
2. 2s between wavelength steps 1 Move to the Laser Source module by pressing SEL hardkey and press Laser On softkey to enable the laser output Press More softkey and then press SEL hardkey to get to sweep setting screen Set to the wavelength sweep by using Mode softkey Move to lt Start gt and press Edit Enter 1530 by using cursor keys press OK Move to lt Stop gt and press Edit Enter 1560 press OK Move to lt Step gt and press Edit Co Aa NI DBO A U N Enter 1 press OK n oS Move to lt Pause gt and press Edit Enter 2 press OK Press Ref to start the Ref sweep The DUT unit will not be connected during this EE N e Ref sweep testing 13 The wavelength is swept automatically but you can press Abort to end the sweep 14 After the Ref sweep ends connect the DUT unit press Sweep to perform the DUT sweep 15 When the sweep operation finishes a graph similar to figure 18 appears 10200004 R1 02 www ucinstruments com 35 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to Display a Sweep Testing Graph Press the More softkey and press SEL hardkey to go to the Graph Display screen you may view the last sweep graph HandFlash UC Duat Demo000738 csv HandFlash UC Duat Demo000739 csv T 039 TH 2 9617 12 96 HTHH 22 96 143E 42 96 HTHH i on N wo a 4 22 1351
3. GM8001B Lightwave Multimeter User Manual V1 02 Table of Contents GM8001B Lightwave Multimeter Mainfram 11 Description of the User Interface ssicccccsssiscccoisscocssconswscssdacvensssencescenanascaancceencasenense 13 User Interface Features e ssessesseesoesoosseesoesooesoesoesooesoesoesoossoesoeseossossseesossossseesoesossse 13 SOKE YS syste scans irie rE EE EEA DE E AR EETA T 13 Hardk ys sonense eR E E E EE RE ES 13 Slot NUME esere aentnneweteacesauc exteceu cauescassseureauvnmevesturceaseer EE E EER EEE ERTSE 13 USB Interface On the Front Panel ssevicssecionss eansteesusviesdaoiianastsxarceaenastyevtausarteas 13 Special Module State Sissener a eee 13 How to Navigate Modify the Display scsccccssssccsssccscsccccssesesccssesccessseeees 14 Initialization The Display Screetiiassssscccccssssssecvsnnssesaseaesnisnsedinasnungerennensenveseancees 14 Th Sereen COVER VICW saa icordaverrspcasnisesesau rea aiena ar GEER EREE aT 14 How to Access the Details Parameters 7 isc cas vacccod anesiaincsvnenadameammincaes 14 How to Use the C rsor Keys Pic siaces iatvncsstnspniuss sasnensedsegeeiouhs tuseaiuneuss e ai 15 How to Change Slot acaseceaiexe cc carncs ecuec cas vaceeeesesanneeccosaaenatonctemiersus paste teeaneate 15 How to Access the Men srctseustivnsid iia snpneateeddiedsesanttonduesiecsssumnetneaasvndccsananuiuass 15 How to Switch On Off the Laser s ssenesseeseesessseesseserssressessrssessessessressee
4. Graph File sseesseeesooesosesssosssossssesssoossoossosesssesssesssoessoosssosssossssee 37 Selecting the file senres irae Ea R E E 37 Deselecting the TILE ccc vacances es awier ccenancasseicwosoncecuavastusexavaveraetecinsavaneuseemnacer nine 37 Copying th ING aie lasaucrasvvardsaapnncavareanesmduasastaswasdseuecssnersstitaansMieetmineduantonness 38 Deleting the flesyersncnnensinaninen cg a E Racemehinanes 38 Rec ll a Graphis in eenei E R 38 How to Set GM8001B IP address os cccccccscecstsscccessssessssessstesseasswansseecessscansssendiseonss 39 GM81015X Series Tunable Laser Source Module eessessoesoessecsoesoosseesooesossoesooe 40 SS PSII CATO yas ctecsvctassossaecaceasesenineyauiencauescaates sade ER eos a 40 Varial Optical Attenuator Module ccccccccccssssccccsccreee 4L How to Use a Optical Attenuator Module ccsccccsssscscssscsssssescessescessseeees 41 How to Set Attenuation csc cinadcvnncoiceennadenarsinedanensandbaconnacoaGesnetoncesnatansansaamuemeanees 41 How to Set Attenuation Value eseseoessoessoesssesssosssoossoossosssssesssesssosesoossoossssssssee 42 GM81007CL amp GM81008 Varial Optial Attenuator Modulle ssseseeee 43 SpecilicatiOi sorait e i EEE EE ER E i 43 10200004 R1 02 www ucinstruments com 8 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Installation and Maintenancee ccccccccccccccccccsccccccsccscccesees 44 Safety Cons
5. The following summarizes the operating environment ranges In order for the UC Instruments GM8001B Lightwave Multimeter to meet specifications the operating environment must be within these limits WARNING The GM8001B Lightwave Multimeter is not designed for outdoor use To prevent potential fire or shock hazard do not expose the instrument to rain or other excessive moisture Temperature The instrument should be protected from temperature extremes and changes in temperature that may cause condensation within it The operating temperature for the Lightwave Measurement is 0 C to 45 C and storage temperature is 40 C to 70 C Humidity The operating humidity for the GM8001B Lightwave Multimeter is up to 95 from 0 C to 45 C Altitude The maximum operating altitude of the GM8001B Lightwave Multimeter is 2000m Pollution Protection The GM8001B Lightwave Multimeter is designed for pollution degree 2 10200004 R1 02 www ucinstruments com 46 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Storage and Shipment The instrument can be stored or shipped at temperatures between 40 C and 70 C The instrument should be protected from temperature extremes that may cause condensation within it Instrument Cooling The GM8001B Lightwave Multimeter has a cooling fan mounted internally Mount or position your instrument upright and horizontally as shown in Figure 26 so that air can circulate through it
6. With the catch lifted pull the module out of the instrument If the module does not slide out freely check that you have lifted the catch high enough Plug in a Front Loadable Module CAUTION Do not use the electrical or optical connectors to push the module into the instrument as this can cause damage to the connectors Make sure that the line power is switched off before you fit a module 10200004 R1 02 www ucinstruments com 48 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 STEP 2 STEP 3 Figure 28 How to Plug in a Front Loadable Module 1 Load the module at an unoccupied slot with the catch at the bottom front of the module 2 Insert the module into the slot and align the tracks If the module can not slide smoothly check that you have correctly positioned and correctly oriented it and that there is no obstruction to its movement 3 Apply pressure to the front panel and push the module as far as it goes You hear a small click when the module reaches its installed position This is the catch making contact Protecting Empty Module Slots Fitting a blind panel helps to e Prevent dust pollution e Optimize cooling by guiding the air flow Fitting Blind Panels for Front Loadable Module Slots To fit a blind panel perform the following procedure 1 Position the blind panel as shown in Figure 29 Position the end closest to the handle against the bottom edge of the slot 10200004 R1 02 www
7. agreements are available for UC Instruments Corp products For any assistance contact the UC Instruments Corp Maintenance Service Center 10200004 R1 02 www ucinstruments com 2 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Safety Considerations The following general safety precautions must be observed during all phases of operation service and repair of this instrument Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the instrument UC Instruments Corp assumes no liability for the customer s failure to comply with these requirements General This is a Safety Class 1 instrument provided with a protective earth terminal and has been manufactured and tested according to international safety standards Before operation you should review the instrument and manual for safety markings and instructions You must follow these to ensure safe operation and to maintain the instrument in safe condition Some circuits in GM8001B are powered whenever the instrument is connected to the AC power source To disconnect from the line power disconnect the power cord either at the rear power inlet or at the AC line power source receptacle One of these must always be accessible If the instrument is in a cabinet it must be disconnected from the line power by the system s line power switch WARNING To av
8. anaes 30 Tunable Lasers Source Module eeseososeosesessessoseosossssesessesses I L What is a Tunable Laser Source e eessessoesoesoessoesoossesoossoesseesoesosesessoesoossoesoesooesesss 31 Wa v lenoth Range i deicttisiniuaininrndunduinianneniiin delioniiilennnuens 31 How to Enable the Laser Output eessoessosssoesssesssocssoossosssssesssesssoossoosssosssosssose 32 How to Disable the Laser Output ssseccsscocesssssscsscessscsensssocssosenvescaneccecvasssceusseeeaecs 32 Set thie Tunable Laser Units sessoesoossessoesoessessoossoesossooesossoesooesoesoesoossosssesoossossosee 32 How to Set the Wavelength sseessesesooesooesoossssesssesssoossoossosessoesssoesssesssocssosssesssose 32 How to Set the Frequency e sesssesssesesooesooesoosssoesssesssoossoossosesososesossssesssoessosssosssose 33 How to Set the Wavelength frequency to maximum or minimum 06 33 How to Perform a Tunable Laser Source Wavelength Sweep Testing 34 What is a Wavelength Sweep Testing sssscssccsusrvsscsexonstenddissssusoneneratthascweestcauees 34 How to Set the Sweep Testing Mode jesissicccscsccexssdodacateneciepanaiccaniicanwitacics 34 How to Set the Wavelength Sweep Testing cccccscesceesseeenseeseceeeeeeeeeeaees 35 How to perform a Wavelength Sweep Testing 00 0 0 cceececsseeseeeteceeeeeeeeeesees 35 How to Display a Sweep Testing Graph e sseesseossocssoossosesssesssesssocesoossoossssesssee 36 How to Save a
9. charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to UC Instruments Corp from another country UC Instruments Corp warrants that its software and firmware designated by UC Instruments Corp for use with an instrument will execute its programming instructions when properly installed on that instrument UC Instruments Corp does not warrant that the operation of the instrument software or firmware will be uninterrupted or error free 10200004 R1 02 www ucinstruments com 1 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Limitation of Warranty The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance No other warranty is expressed or implied UC Instruments Corp specifically disclaims the implied warranties of Merchantability and Fitness for a Particular Purpose Exclusive Remedies The remedies provided herein are Buyer s sole and exclusive remedies UC Instruments Corp shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any other legal theory Assistance Product maintenance agreements and other customer assistance
10. cleaner is to push it in and out of the device opening for example when cleaning an interface While you are cleaning you should slowly rotate the pipe cleaner Only use pipe cleaners on connector interfaces or on feed through adapters Do not use them on optical head adapters as the center of a pipe cleaner is hard metal and can damage the bottom of the adapter Your pipe cleaner should be new when you use it If it has collected any dust or dirt this can scratch or contaminate your device The tip and center of the pipe cleaner are made of metal Avoid accidentally pressing these metal parts against the inside of the device as this can cause scratches Compressed air Compressed air can be purchased from any laboratory supplier It is essential that your compressed air is free of dust water and oil Only use clean dry air If not this can lead to filmy deposits or scratches on the surface of your connector 10200004 R1 02 www ucinstruments com 63 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 This will reduce the performance of your transmission system When spraying compressed air hold the can upright If the can is held at a slant propellant could escape and dirty your optical device First spray into the air as the initial stream of compressed air could contain some condensation or propellant Such condensation leaves behind a filmy deposit Please be friendly to your environment and use a CFC
11. must not remove instrument covers Component replacement and internal adjustments must be made only by qualified service personnel e Instruments that appear damaged or defective should be made inoperative and secured against unintended operation until they can be repaired by qualified service personnel e Defective damaged or malfunctioning laser sources must be returned to UC Instruments Corp Maintenance Service Center e Do not operate the instrument in the presence of flammable gases or fumes Operation of any electrical instrument in such an environment constitutes a definite safety hazard 10200004 R1 02 www ucinstruments com 4 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Safety Symbols A A WARNING CAUTION The apparatus will be marked with this symbol when it is necessary for the user to refer to the instruction manual in order to protect the apparatus against damage Hazardous laser radiation The WARNING sign denotes a hazard It calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in injury or loss of life Do not proceed beyond a WARNING sign until the indicated conditions are fully understood and met The CAUTION sign denotes a hazard It calls attention to an operating procedure practice or the like which if not correctly performed or adhered to could result in damage to or destruction of part or all of the e
12. not immediately dry the surface with compressed air except when you are cleaning very sensitive optical devices This is because the dust and the dirt is solved and will leave behind filmy deposits after the alcohol is evaporated You should therefore first remove the alcohol and the dust with a soft tissue and then use compressed air to blow away any remaining filaments If possible avoid using denatured alcohol containing additives Instead apply alcohol used for medical purposes Never drink this alcohol as it may seriously damage to your health Do not use any other solvents as some may damage plastic materials and claddings Acetone for example will dissolve the epoxy used with fiber optic connectors To avoid damage only use isopropyl alcohol Cotton swabs We recommend that you use swabs normally available from local distributors of medical and hygiene products for example a supermarket or a chemist s shop You may be able to obtain various sizes of swab If this is the case select the smallest size for your smallest devices Ensure that you use natural cotton swabs Foam swabs will often leave behind filmy deposits after cleaning Use care when cleaning and avoid pressing too hard onto your optical device with the swab Too much pressure may scratch the surface and could cause your device to become misaligned It is advisable to rub gently over the surface using only a small circular movement Swabs should be used s
13. softkey is a key whose function changes depending on the keys that you have pressed before The function of the softkey is shown on the display to the left of the softkey Hardkeys A hardkey is a key that always has the same function Slot Number Each module is identified by a slot number the slot number represents the module s position in the mainframe from one to two from left to right for the GM8001B These numbers are displayed on the top of each module slot on the front panel USB Interface On the Front Panel There are two USB interfaces on the front panel of the instrument They are used for connecting with a numeric keypad mouse or USB flash disk Special Module States If the slot is empty you wil see EMPTY information shown instead of parameter or measurement values 10200004 R1 02 www ucinstruments com 13 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to Navigate Modify the Display Initialization The Display Screen When the GM8001B is powered up the screen will show initial information such as the serial number hardware revision software revision slot state of the GM8001B The Screen Overview Figure 3 shows the screen profile of the GM8001B Lightwave Multimeter This screen will show up immediately after start up The screen shows the most important parameters of all installed modules Slotl GE81015 A 1550 0000 nm Edit P 13 0 dBm State Slot2 GE8300
14. they contain several inconsistencies In this section we want to suggest ways to help you clean your various optical devices and thus significantly improve the accuracy and repeatability of your lightwave multimeter What do I need for proper cleaning Some Standard Cleaning Equipment is necessary for cleaning your instrument For certain cleaning procedures you may also require certain Additional Cleaning Equipment Standard Cleaning Equipment Before you can start your cleaning procedure you need the following standard equipment e Dust and shutter caps e Isopropyl alcohol e Cotton swabs e Soft tissues e Pipe cleaner e Compressed air Dust and shutter caps All of US INSTRUMENTS lightwave multimeters are delivered with dust caps on the lightwave adapter Any cables come with covers to protect the cable ends from damage or contamination We suggest these protective coverings should be kept on the equipment at all times except when your optical device is in use Be careful when replacing dust caps after use Do not press the bottom of the cap onto the fiber too hard as any dust in the cap can scratch or pollute your fiber surface 10200004 R1 02 www ucinstruments com 61 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Isopropyl alcohol This solvent is usually available from any local pharmaceutical supplier or chemist s shop If you use isopropyl alcohol to clean your optical device do
15. ucinstruments com 49 GM8001B Lightwave Multimeter User Manual V1 02 A JUC INSTRUMENTS CORP Figure 29 Fitting a Blind Panel 2 Push the top of the blind panel so that it clicks into position To remove a blind panel pull the handle NOTE 50 www ucinstruments com 10200004 R1 02 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Communication Interface There are three communication interface ports on the rear panel of the GM8001B They are USB port Ethernet port and RS232 serial interface port RS232 Serial Interface Port The mainframes serial interface has fixed parameters The PC serial interface should be configured to match the instrument s fixed parameters Fixed Parameters These are Baudrate 115200 Data Bits 8 Parity None Stop Bits 1 Connector The following figure 30 shows the connector and pin assignments 2 Received data 3 Transmit data 5 Signal ground Figure 30 RS232 Connector 10200004 R1 02 www ucinstruments com 51 TA JUC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Cable The connetors pin assignments on the cable for RS232 Communication DB9 CONNECTOR DB9 CONNECTOR Hole Notes Hole Notes 2 Transmit data 3 Transmit data 3 Received data 2 Received data 5 Signal ground 5 Signal ground NOTE For serial communication use the null modem cable provided with your instrument Ethernet Interfa
16. 001 P 28 625n 1550 0 nm AvTime 1 ms Hold Figure 11 Power Meter Module is Held Overview Screen 10200004 R1 02 www ucinstruments com 25 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to Choose the MinMax Mode MinMax mode measures the input power and displays the minimum value measured lt Pmin gt and the maximum value measured lt Pmax gt The difference between these values lt AP gt is displayed in place of P the power value This mode is intended principally for polarization dependent measurements but can be used for other types of measurement You can choose three modes of operation from the MinMax mode menu e lt Continuous gt mode which compares each new measured value with the maximum and minimum values so far and replaces them as necessary This mode is useful for measuring the Polarization Dependent Loss PDL of a component Run the application while sweeping the polarization of the source applied to the component e lt Window gt mode which compares each new measured value with the maximum and minimum values of each of the previous N samples When a new measurement is taken it is added to a buffer containing the previous N samples and the oldest measurement is deleted e lt Refresh gt mode which adds each new measurement to a buffer The minimum and maximum values in this buffer are displayed After N samples are added to the buffer the buffer resets
17. 1 P 47 196dBn A 1550 0 nm AvTime 1 ms Figure 3 GM8001B_ Screen Overview How to Access the Details Parameters You can access the parameters of a module that are not shown on the overview screen by pressing the Details softkey For example the details screen for a laser source module was shown in Figure 4 10200004 R1 02 www ucinstruments com 14 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 SLOT1 SLOT2 Over Vier 1550 0000 nm P 13 0 dBn Laser On VWave 1525 1568 na Set Hax State Unit Hore Figure 4 GM8001B s Details Screen for a laser source module How to Use the Cursor Keys You can move the highlighted marker between parameters using increment and decrement the value of a digit and the left and right keys can be used to move the highlighted digit left and right E gt the up key or down key When editing a parameter the up and down keys can be used to How to Change Slot You can switch module slots by pressing the SEL hardkey You can use this key when either the overview screen or the details screen is displayed How to Access the Menu Press the Menu softkey to access all the parameters and functions that apply to a module Figure 5 show the type of menu you should see for a power meter module 10200004 R1 02 www ucinstruments com 15 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02
18. 20 1620 nm Attenuator Range dB 0 40 dB 0 60 dB Insertion Loss dB lt 2 5 dB Fiber type 9 125 um single mode Connector Type FC UPC Attenuator Accuracy dB lt 0 1 dB typ Repeatability dB lt 0 01 dB Polarization Depend Loss dB lt 0 015 dB Polarization Mode Dispersion 5 fs Return Loss gt 40 dB Operation Temperature 10 60 C Storage Temperature 40 80 C Recalibration Period 2 years Dimensions 75 mm X 32 mm X 310 mm H W D Weight 0 5 kg 10200004 R1 02 www ucinstruments com 43 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Installation and Maintenance This chapter provides installation instructions for the GM8001B Lightwave Multimeter It also includes information about initial inspection and damage claims preparation for use packaging storage and shipment Safety Considerations The GM8001B Lightwave Multimeter is Safety Class I instruments that is instruments with a metal chassis directly connected to earth via the power supply cable Before operation review the instrument and manual for safety markings and instructions You must follow these to ensure safe operation and to maintain the instrument in safe condition Some circuits of GM8001B are powered whenever the instrument is connected to the AC power source To disconnect from the line power disconnect the power cord either at the rear power inlet or at the AC line power source receptacle One of these must a
19. 23 Detail Screen Set the for Attenuator 3 Use the cursor keys to enter the required attenuation value in dB Make sure the parameter set for the Attenuator module matches the source wavelength 4 Press OK 10200004 R1 02 www ucinstruments com 41 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to Set Attenuation Value The amount of power that is output from an attenuator module can be controlled You can use the attenuation parameter to reduce the optical power of the attenuator module Poutput g Psource ATT dB Where P output 18 the power level at the output of the attenuator module and Pyource 1s the power level at the input of the attenuator module from the laser source ATT is the attenuation parameter To set the attenuation value to 2dB 1 Move to the Attenuator module and press the Details softkey 2 Move to lt ATT gt parameter and press Edit You see the screen in Figure 24 SLOT1 SLOT2 ATT o Cancel A 1560 0 no ATT 0 40GB Fig 24 Detail screen set the attenuation 3 Enter 2 by pressing the up or down cursor key 4 Press OK 10200004 R1 02 www ucinstruments com 42 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 GM81007CL amp GM81008 Varial Optial Attenuator Module g t tty UE Ute Fig 25 GM81007CL Varial Optical Attenuator Module Specification Model GM81007CL GM81008 Wavelength Range 1520 1620 nm 15
20. 68 000 nm GM81020C 1525 000 1568 000 nm GM81020L 1568 000 1610 000 nm GM81020CL 1525 000 1610 000 nm 10200004 R1 02 www ucinstruments com 31 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to Enable the Laser Output 1 Select the tunable laser source module by using SEL 2 Press the Laser On softkey to enable the output The LED beside the optical output is lit constantly How to Disable the Laser Output 1 Select the tunable laser source module by using SEL 2 Press the Laser Off softkey to disable the output The LED beside the optical output goes out Set the Tunable Laser Units Pressing the Unit softkey allows you to select either 4 or F as the units in which wavelength is displayed The Unit softkey is visible when you select the slot for Laser Tunable module 1 Select the Laser Source module by using SEL and move to lt gt lt F gt parameter 2 Press the Unit softkey to change the display units for wavelength How to Set the Wavelength For example to set the wavelength to 1545 00nm 1 Select the Laser Source module by using SEL if necessary press Unit softkey to change the units to lt 4 gt Move to the lt 4 gt parameter 2 Press the Edit the highlight toggles the first digit of setting value of wavelength See the figure 16 as shown 10200004 R1 02 www ucinstruments com 32 te UC INSTRUMENTS CORP GM8001B Lightwave Multimet
21. GM8001B Lightwave Multimeter User Manual Sept 2010 JUC INSTRUMENTS CORP fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Notices This document contains UC INSTRUMENTS CORP proprietary information that is protected by copyright All rights are reserved This document can t be reproduced in including electronic storage and retrieval or translation into a foreign language without prior agreement and written consent from UC Instruments Corp Subject Matter The material in this document is subject to change without notice UC Instruments Corp makes no warranty of any kind with regard to this printed material including but not limited to the implied warranties of merchantability and fitness for a particular purpose UC Instruments Corp shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Warranty This UC Instruments Corp product is warranted against defects in material and workmanship for a period of one year from date of shipment During the warranty period UC INSTRUMENTS CORP will at its option either repair or replace products that prove to be defective For warranty service or repair this product must be returned to a service facility designated by UC Instruments Corp Buyer shall prepay shipping charges to UC Instruments Corp and UC Instruments Corp shall pay shipping
22. HHHH HHH HHH HHHH 762 96 LEY fbb pb eb Et ft et EE Et 1515 1525 1535 1545 1555 1565 1575 1515 1525 1535 1545 1555 1565 1575 Tavelenzth na Tavelenzth na Fig 18 DWDM Sweep Testing Graph GFF Sweep Tesing Graph In the graph X axis is wavelength Y axis is relative optical power in units of dB The graph can also be moved by using up down left and right cursor keys There are six softkeys on the right side of the screen are marked by F1 F2 F3 F4 F5 F6 These softkeys are used to zoom in and zoom out for the graph The up cursor key scrolls the graph up The down cursor key scrolls the graph down The left cursor key scrolls the graph toward the left The right cursor key scrolls the graph toward the right F1 softkey zoom out for the graph on X axis F2 softkey zoom in for the graph on X axis F3 softkey zoom out for the graph on Y axis F4 softkey zoom in for the graph on Y axis F5 softkey zoom out for the graph on X axis and Y axis F6 softkey zoom in for the graph on X axis and Y axis When you touch anywhere on the screen these six softkeys appear on the right X ZoomOut softkey stretch the graph on X axis 10200004 R1 02 www ucinstruments com 36 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 X ZoomIn softkey shorten the graph on X axis Y ZoomOut softkey stretch the graph on Y axis Y ZoomIn softkey shorten the graph on Y axis Default softkey
23. ORP GM8001B Lightwave Multimeter User Manual V1 02 Premoistened cleaning wipes Use pre moistened cleaning wipes as described in each individual cleaning procedure Cleaning wipes may be used in every instance where a moistened soft tissue or cotton swab is applied Infrared Sensor Card Infrared sensor cards are available from laboratory suppliers or specialist mail order companies With this card you are able to control the shape of laser light emitted The invisible laser beam is projected onto the sensor card then becomes visible to the normal eye as a round spot Take care never to look into the end of a fiber or any other optical component when they are in use This is because the laser can seriously damage your eyes Cleaning Instrument Housings Use a dry and very soft cotton tissue to clean the instrument housing and the keypad Do not open the instrument as there is a danger of electric shock or electrostatic discharge Opening the instrument can cause damage to sensitive components and in addition your warranty will be voided Which Cleaning Procedure should I use Light dirt If you just want to clean away light dirt observe the following procedure for all devices e Use compressed air to blow away large particles e Clean the device with a dry cotton swab e Use compressed air to blow away any remaining filament left by the swab Heavy dirt If the above procedure is not enough to clean your instrument follow on
24. Storage temperature 40 Cto 70 C Operating temperature 0 Cto 45 C Humidity lt 95 R H from 0 C to 45 C Power AC 100 240 V 10 48 66 Hz 100 VA max Dimensions 88 mm X 213 mm X 318 mm 3 5 X 8 4 X 12 7 Interfaces RS232 Serial interface Ethernet interface Number of Modules 2 Modules 10200004 R1 02 www ucinstruments com 55 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 GM8001B Performance Tests The GM8001B do not contain calibration data therefore they are not subject to re calibration Consequently these Performance Tests test the functionality of the instrument The GM8001B comprises a power supply a CPU multi keys panel and a display All tests can be performed without access to the interior of the instrument Equipment Required Equipment required for the performance test is listed in the table below Any equipment that satisfies the critical specifications given in the table may be substituted for recommended models in the round brackets Description Model Mainframe GM8001B Lightwave Multimeter Laser Source Module GM81015C GM81001C GM81001L GM81001CL GM81004 Optical Head Interface and GM83001 Optical Power Meter Module Head GM81002 GM81003 GM81005 Power Meter Module Single mode Fiber FC PC Test Record Results of the Performance Test may be tabulated in the Test Record provided after the test procedures It is recommen
25. an the connector by rubbing a new dry cotton swab over the surface using a small circular movement 2 Blow away any remaining lint with compressed air Procedure for Stubborn Dirt Use this procedure when there is greasy dirt on the connector 1 Moisten a new cotton swab with isopropyl alcohol 2 Clean the connector by rubbing the cotton swab over the surface using a small circular movement 3 Take a new dry soft tissue and remove the alcohol dissolved sediment and dust by rubbing gently over the surface using a small circular movement 4 Blow away any remaining lint with compressed air An Alternative Procedure A better more gentle but more expensive cleaning procedure is to use an ultrasonic bath with isopropyl alcohol 1 Hold the tip of the connector in the bath for at least three minutes 2 Take anew dry soft tissue and remove the alcohol dissolved sediment and dust by rubbing gently over the surface using a small circular movement 3 Blow away any remaining lint with compressed air 10200004 R1 02 www ucinstruments com 66 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to clean connector interfaces CAUTION Be careful when using pipe cleaners as the core and the bristles of the pipe cleaner are hard and can damage the interface Do not use pipe cleaners on optical head adapters as the hard core of normal pipe cleaners can damage the bottom of an adapter Preferred Procedure Use t
26. and a new buffer is created You can use Window and Refresh modes for example when you are searching for or setting the position of minimum PDL To choose the lt Refresh gt MinMax mode 1 Select the Power Meter module using SEL and press the Menu softkey 2 Move to the lt MinMax Mode gt parameter and press Edit Kenu Hinlax Node Off Figure 12 MinMax Mode Screen 10200004 R1 02 www ucinstruments com 26 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 3 Move to lt Refresh gt by using the down cursor key and press OK How to Turn Off MinMax Mode To turn off MinMax mode and return to continuous power measurement 1 Select the Power Meter module using SEL and press the Menu softkey 2 Move to the lt MinMax Mode gt parameter and press Edit 1 Move to lt Off gt by using the cursor key and press OK How to Set the Size of Buffer If the MinMax Mode is set to Window or Refresh mode a buffer will be used You can Use the lt Data Points gt parameter to set the size of buffer How to Reset Buffer If the MinMax Mode is set to Window or Refresh mode a buffer will be used You can reset a buffer at any time if necessary To reset a buffer 1 Select the Power Meter module using SEL and press the Menu softkey 2 Move to the lt Reset MinMax Mode gt parameter and press Edit 3 Press OK softkey to reset the buffer 10200004 R1 02 www ucinstruments co
27. back to its original graph Fine softkey fine tuning the display scale for the graph How to Save a Graph File Select the tunable laser source module press the More softkey and then press SEL hardkey to go to the graph process screen From NHandflash UC DUT ae Selectall Ready Weme Size KB copy Copy Figure 19 Graph Process Screen Selecting the file Pressing the Select All softkey all graph files are selected To select one or a part of files use stylus pen to select it one by one Deselecting the file Pressing the Deselect softkey all graph files are deselected To deselect one or a part of files use stylus pen to deselect it one by one 10200004 R1 02 www ucinstruments com 37 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Copying the file You may copy the selected graph files to USB flash disk First you should insert a U disk into the usb interface on the front panel of the GM8001B and jump to another screen then return to the Graph process screen this operation is for detecing the U disk From Handflash UC DUT To USBDisk A Ready Figure 20 Copy the File Pressing the Copy softkey the files were copied to U disk Notice because of the limited capacity only 32MB FLASH is used to store the file To avoid overflow you should delete the old files in time Deleting the file Pressing the Delete softkey all selected graph fil
28. ce USB Interface The USB Interface on the rear of the instrument is used for programming 10200004 R1 02 www ucinstruments com 52 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Claims and Repackaging If physical damage is evident or if the instrument does not meet specification when received notify the carrier and the UC Instruments Corp Maintenance Service Center The Maintenance Service Center will arrange for repair or replacement of the unit without waiting for settlement of the claim against the carrier Return Shipments to Uc Instruments Corporation If the instrument is to be shipped to a UC Instruments Corp Maintenance Service Center attach a tag showing owner return address model number and full serial number and the type of service required The original shipping carton and packing material may be reusable but the UC Instruments Corp Maintenance Service Center will provide information and recommendation on materials to be used if the original packing is no longer available or reusable General instructions for repackaging are as follows e Wrap instrument in heavy paper or plastic e Use strong shipping container e Use enough shock absorbing material 3 to 4 inch layer around all sides of the instrument to provide a firm cushion and prevent movement inside container Protect control panel with cardboard e Seal shipping container securely e Mark shipping container FRAGILE to e
29. dable Mo dithe ovicss sisccassasesuvnscasesnneadhesentausensvbiorsbestusweaavens 48 Protecting Empty Module Slots cccscccsssscccsssccssscccssccsssssscssssssessssscsssssesees 49 Fitting Blind Panels for Front Loadable Module Slots eceseeseeseeereeeeees 49 Communication Interface cccccccccccccccccccccccccccccccccccccees DL RS232 Serial Interface Port ssosocesssooccssooccceocccssooccscosooescooseessooecssoscosssooosesssseee 51 Fixed Paranmietet Soise ene ne ree AREE E NRPS CIEE eee AEAEE 51 COMME CLOT asiciieiaptaainassie iaaea R E T E nana nena 51 Cable secu a A E ce eee 52 Ethernet Mtr 1A CO aioe sass ccsaauns vctdsundsctiakeaserseaat st ieaceeeiaeseiniarasiteavlevnatedtionsunes 52 USB MGCP LACE ccsectsesesticassstteversiedsdeusissrassssiasaeisitacsreasiicbsutisdersusiiastesiiiieeesiastonainiees 52 Return Shipments to Uc Instruments Corporation scscccsssssssesssessseessees 53 UC Instruments Corp Maintenance Service Center ssssscsssssssssssessssessees 53 10200004 R1 02 www ucinstruments com 9 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Order Information cccccccccccccccccccccccccccccscccsccssccscsccccsees D4 GM8001B SPOCHICALON scccccesswonscesssecwoccsuscnswcotcssescsseessuscesnccuseveeuewsscess 55 GM8001B Specifications sscsnciscisncececessecesssesnecscsisnscssvascecscbcanveccuusnecesveswensoinesasceasanens 55 GM8001B Perf
30. ded that you fill out the Test Record and refer to it while doing the test The Test Record can also be used as a permanent record and may be reproduced without written permission from UC Instruments Corp Test Failure If the GM8001B Lightwave Multimeter fail any Performance Test return the instrument to the UC Instruments Corp Maintenance Service Center for repair Instruments Specifications Any changes in the specifications due to manufacturing changes design or traceability to the National Institute of Standards and Technology will be covered in a manual change supplement or revised manual The specifications listed here supersede any 10200004 R1 02 www ucinstruments com 56 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 previously published NOTE Make sure that all optical connections of the test setups given in the procedure are dry and clean DO NOT USE INDEX MATCHING OIL For cleaning use the cleaning instructions Performance Test Instructions SLOT SLOT2 GM80018 fe UC Instruments LIGHTWAVE MULTIMETER JOJ uC instruments GM81014 Optical Hoad fe Juctastruments GM81015C Tunable Laser Source A Active interface 0000000 Figure 31 GM8001B Mainframe with fixed laser source power sensor and tunable laser module Display Key Functional Test 1 Setup the test equipment as shown in Figure 31 Insert the tunable laser source module in slot 1 and the pow
31. e In MinMax mode this parameter changes to lt AP gt the difference between minimum and maximum power see How to Choose the MinMaxMode How to Set the Number of Digits You can set the maximum number of digits that are used in optical power measurement This is the maximum number of digits after the decimal point To change the number of digits to two 1 Select the Power Meter module using SEL and press the Menu softkey 2 Move to lt Number of Digits gt option and press Edit 3 Move to 2 and press OK 4 Press the Close softkey to exit the menu Optical Power Units Pressing the PwrUnit softkey allows you to select either mW dB or dBm as the units in which power is displayed The PwrUnit softkey is visible when you select a slot for Optical Power Meter module What are the Optical Power Units Watts W are the SI unit for power measurement You can also measure power in dB or dBm Values displayed in these units are derived from measurement in Watts 10200004 R1 02 www ucinstruments com 20 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 By selecting dBm the following calculation is made l0log Pin nut V P 3 1x 107 W dBm Where Papm is the power value displayed in dBm and Pinput is the input signal level in Watts Power in units of dBm is measured relative to 1 mW it is an absolute power measurement By selecting dB the following calculati
32. e of the procedures below Please consult Cleaning Instructions for this Instrument for the procedure relevant for this instrument If you are unsure of how sensitive your device is to cleaning please contact the manufacturer or your sales distributor 10200004 R1 02 www ucinstruments com 65 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to clean connectors Cleaning connectors is difficult as the core diameter of a single mode fiber is only about 9um This generally means you cannot see streaks or scratches on the surface To be certain of the condition of the surface of your connector and to check it after cleaning you need a microscope In the case of scratches or of dust that has been burnt onto the surface of the connector you may have no option but to polish the connector This depends on the degree of dirtiness or the depth of the scratches This is a difficult procedure and should only be performed by a skilled person and as a last resort as it wears out your connector WARNING Never look into the end of an optical cable that is connected to an active source To assess the projection of the emitted light beam you can use an infrared sensor card Hold the card approximately 5 cm from the output of the connector The invisible emitted light is projected onto the card and becomes visible as a small circular spot Preferred Procedure Use the following procedure on most occasions 1 Cle
33. ear 15 Press Dsp gt Ref several times Ref should update to the same value as lt P gt with each click 16 Press Overview the display will show all channels Module Interaction Test NOTE The following functional test assumes the use of modules which are within specification 1 Setup the test equipment as shown in Figure 31 Insert the laser source module in slot 1 and the power meter module in slot 2 2 Switch on the mainframe and wait until it has booted 3 Ensure that A the wavelength of the power sensor module equals A the wavelength of the laser source in slot 1 4 Move to the power meter module move to lt P gt press PwrUnit several times until dBm appears 5 Press the Laser On softkey to enable the laser source output Note the power reading of the power meter in the test record The Module Interaction Test ends here nN 10200004 R1 02 www ucinstruments com 58 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Test Record GM8001B Lightwave Multimeter Performance Test Date Serial No Ambient Temperature C Options Relative Humidity Firmware Rev Line Frequency Hz Test Facility Customer Performed by Report No Special Notes Test Equipment Used Description Model No Trace No Cal Due Date 1 Tubable Laser Source 2 Optical Power Meter 3 4 5 6 Display Key Fu
34. er User Manual V1 02 SLOT1 SLOT2 Cancel A f1550 0000 m 13 0 dBm Wave 152571568 na Set Hax State Set Hin Figure 16 Set the Wavelength of Laser Source 3 Press the up and down cursor keys to change the value of the highlighted digit Press the left and right cursor keys to select another digit required to change Until the current value is changed to 1545 00 4 Press OK How to Set the Frequency Press the Unit to set the units of wavelength to lt F gt the operation for setting the frequency is the same as How to Set the Wavelength How to Set the Wavelength frequency to maximum or minimum 1 Move to the Laser Source module by pressing SEL hardkey 2 Move to parameter lt 4 gt lt F gt 3 Press Set Max softkey to set the Wavelength frequency to maximum Press Set Min softkey to set the Wavelength frequency to or minimum Or Press Edit to enter editing mode and press Set Max or Set Min softkey to set maximum or minimum then press OK 10200004 R1 02 www ucinstruments com 33 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to Perform a Tunable Laser Source Wavelength Sweep Testing The sweep operation can be performed by tunable laser source and power meter modules configuration Make sure that the tunable laser source and power meter modules are both function well in GM8001B before perform a wavelength sweep testing What is a Wave
35. er meter in slot 2 2 Switch on the mainframe and wait until it has booted Testing SEL Hardkey 3 Press SEL hardkey several times the highlighted field on the display should toggle between the channels you have inserted a module into Testing the Softkeys and the Cursor Key 4 Press the up arrow on the cursor key several times Check the highlighted fields toggles in the editable parameters one after another 5 Press the down arrow on the cursor key several times 10200004 R1 02 www ucinstruments com 57 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Check the highlighted fields toggles in the editable parameters one after another 6 Move to an editable parameter and press Edit softkey Press the left arrow on the cursor key several times Check the fields on the display being highlighted one after another 7 Move to an editable parameter and press Edit softkey Press the right arrow on the cursor key several times Check the fields on the display being highlighted one after another Testing the Softkeys and the ENT Hardkey 8 Move to the power meter module 9 Press Menu The menu should appear 10 Press Back The menu should disappear 11 Press Details The details screen should appear 12 Move to lt P gt parameter Pressing Edit chang the setting of lt P gt then press ENT hardkey 13 Press Hold Cnt Hold should appear in the channel 14 Press Hold Cnt Hold should disapp
36. erencneed 68 Cleaning the housing and the mainframe s osnsoeseseseesseseressessessresresseesresressee 69 UC INSTRUMENTS CORP CONTACT INFORMATION 10200004 R1 02 www ucinstruments com 10 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 GM8001B Lightwave Multimeter Mainfram The GM8001B Lightwave Multimeter is a high performance optical multimeter for the characterization and evaluation of tele com and fiber optical components It s modular format makes it flexible enough to meet changing needs when measuring optical power power loss return loss or setup laser source tunable laser source switch VOA for single or multi mode components This section will introduce the features of GM8001B Lightwave Multimeter Here you will find a brief description of the instrument how to use the user interface and how to perform a simple sample session GM8001B supports touch screen technology and you can perform the control via operating the touch screen The key portion of the instrument is the GM8001B Lightwave Multimeter mainframe You can customize the instrument configuration using plug in modules and changeable fiber connector interfaces You can configurate this instrument as a tunable laser source optical power meter variable optical attenuator switch optical channel monitor PDL controller etc via our modules products family availabilty p fal vc UC Instruments LONTWAVE MULTAGTER Figure 1 GM8001B L
37. es are deleted Recall a Graph On the graph process screen press Draw softkey the data from current selected file will be drawn into a graph If multiple files were selected this function only acts on the selected file on the display top 10200004 R1 02 www ucinstruments com 38 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to Set GM8001B IP address Move to the Laser Source Module press the More softkey and then press SEL hardkey to goto the IP Setting screen TP Address l92_ 168 000 ox Subnet Mask Gury Service Port Fig 21 IP Address Set Up You may press up or down cursor key to select the parameter pressing Edit softkey changes the setting The service port is used for communication with GM8001B In general the setting value for service port is within 65535 Suggest that don t easily change the setting value for service port The new IP address takes effect after restarting the GM8001B 10200004 R1 02 www ucinstruments com 39 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 GM81015X Series Tunable Laser Source Module ouei Noe tte iawr Sestese Jaan gt T io Fig 22 GM81015 Tunable Lser Source Module Speicification Model GM81015C GM81015L GM81015CL Wavelength range 1525 00 to 1568 00 nm 1568 00 to 1610 00 nm 1525 00 to 1610 00 nm Output power gt 20 mW gt 10 mW gt 7 mW Wavelength resolution 1 0 pm Absolute
38. ese types of optical devices you can often use an ultrasonic bath with isopropyl alcohol Only use the ultrasonic bath if you are sure that it won t cause any damage any part of the device 1 Put the device into the bath for at least three minutes 2 Blow away any remaining liquid with compressed air If there are any streaks or drying stains on the surface repeat the cleaning procedure Other Cleaning Hints Selecting the correct cleaning method is an important element in maintaining your equipment and saving you time and money This Appendix highlights the main cleaning methods but cannot address every individual circumstance This section contains some additional hints which we hope will help you further For further information please contact your UC Instruments Corp representative 10200004 R1 02 www ucinstruments com 68 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Making the connection Before you make any connection you must ensure that all lightwave cables and connectors are clean If not then use the appropriate cleaning methods When you insert the ferrule of a patchcord into a connector or an adapter ensure that the fiber end does not touch the outside of the mating connector or adapter Otherwise the fiber end will rub up against something which could scratch it and leave deposits Lens cleaning papers Some special lens cleaning papers are not suitable for cleaning optical devices like connec
39. free aerosol Additional Cleaning Equipment Some Cleaning Procedures need the following equipment which is not required to clean each instrument e Microscope with a magnification range about 50X up to 300X e Ultrasonic bath e Premoistened cleaning wipes e Infrared Sensor Card Microscope with a magnification range about 50X up to 300X A microscope can be found in most photography stores or can be obtained through or specialist mail order companies Special fiber scopes are available from suppliers of splicing equipment Ideally the light source on your microscope should be very flexible This will allow you to examine your device closely and from different angles A microscope helps you to estimate the type and degree of dirt on your device You can use a microscope to choose an appropriate cleaning method and then to examine the results You can also use your microscope to judge whether your optical device such as a connector is severely scratched and is therefore causing inaccurate measurements Ultrasonic bath Ultrasonic baths are also available from photography or laboratory suppliers or specialist mail order companies An ultrasonic bath will gently remove fat and other stubborn dirt from your optical devices This helps increase the life span of the optical devices Only use isopropyl alcohol in your ultrasonic bath as other solvents may cause damage 10200004 R1 02 www ucinstruments com 64 te UC INSTRUMENTS C
40. freely Operating Position When operating the GM8001B choose a location that provides at least 75 mm 3 inches of clearance at the rear and at least 25 mm 1 inch of clearance at each side Failure to provide adequate air clearance may result in excessive internal temperature reducing instrument reliability The instrument should not be operated when mounted on its rear or side panels 75mm 3 inches ae 25mm ae we 1 inch 25mm 1 inch Figure 26 Correct Operating Position of the GM8001B Storage Position The GM8001B Lightwave Multimeter can be stored in its operating position as shown in Figure 26 CAUTION Before positioning the GM8001B e make sure that the instrument is in powered off condition e disconnect all power cable from the back panel 10200004 R1 02 www ucinstruments com 47 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Plug in Modules How to Plug in and Remove Modules You can use the front loadable modules these modules can be pluged into the two module slots at the front of the GM8001B Lightwave Multimeter Remove a Front Loadable Module CAUTION Do not use the electrical or optical connectors to pull the module out of the instrument as this can cause damage to the connectors Make sure that the line power is switched off before you remove a module Fig 27 How to Remove a Front Loadable Module 1 Lift the catch at the bottom front of the module 2
41. he following procedure on most occasions 1 Clean the interface by pushing and pulling a new dry pipe cleaner into the opening Rotate the pipe cleaner slowly as you do this 2 Then clean the interface by rubbing a new dry cotton swab over the surface using a small circular movement 3 Blow away any remaining lint with compressed air Procedure for Stubborn Dirt Use this procedure when there is greasy dirt on the interface 1 Moisten a new pipe cleaner with isopropyl alcohol 2 Clean the interface by pushing and pulling the pipe cleaner into the opening Rotate the pipe cleaner slowly as you do this 3 Moisten a new cotton swab with isopropyl alcohol 4 Clean the interface by rubbing the cotton swab over the surface using a small circular movement 5 Using a new dry pipe cleaner and a new dry cotton swab remove the alcohol any dissolved sediment and dust 6 Blow away any remaining lint with compressed air How to clean instruments with a fixed connector interface You should only clean instruments with a fixed connector interface when it is absolutely necessary This is because it is difficult to remove any used alcohol or filaments from the input of the optical block It is important therefore to keep dust caps on the equipment at all times except when your optical device is in use If you do discover filaments or particles the only way to clean a fixed connector interface and the input of the optical block is to use com
42. hen push the self locked connector into the GM81014 adaptor In order to remove the GM83001D from GM81014 pull the self locked connector out of the adaptor in horizontal direction 10200004 R1 02 www ucinstruments com 30 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Tunable Lasers Source Module This section will demonstrate how to use the GM8001B Lightwave Multimeter to control the Tunable Laser Source Modules What is a Tunable Laser Source A tunable laser is a laser source for which the wavelength can be continue tuned into a speific wavelength in a specified range Wavelength Range Each tunable laser source module has a specified wavelength range This range is available for same part number Tunable Laser Source modules Each specific tunable laser source module has a permitted wavelength range This range is bigger than the specification wavelength range The permitted wavelength range varies for each tunable laser module You can set the wavelength to any value within the permitted wavelength range Permitted Range Not to Scale E Specified Range 1450 1460 1580 1600 A nm Fig 15 Specification and Permitted Wavelength Rang Following table show you differnce tunable laser source wavelength tuning range Model Wavelength Specified Range GM81001C 1528 000 1568 000 nm GMS81001L 1568 000 1610 000 nm GM81001CL 1528 000 1610 000 nm GM81015C 1525 000 15
43. iate AC power receptacle this cable earths the instrument cabinet on OFF GM8001B Power Key CAUTION Please note that the power key on the front panel of the GM8001B Lightwave Multimeter does not stop the flow of power to the instrument Do not remove the instrument covers because the power supply is still operating If you need to turn off the power unplug the instrument at the mains or remove the power cable connector from the appliance coupler at the rear of the instrument For this reason the power cable connection should be easily accessible allowing you to turn off the power quickly If the instrument is in a cabinet it must be disconnected from the line power by the system s line power switch WARNING To avoid the possibility of injury or death you must observe the following precautions before switching on the instrument e Insert the power cable plug only into a socket outlet provided with a protective earth contact Do not negate this protective action by the using an extension cord without a protective conductor e Do not interrupt the protective earth connection intentionally 10200004 R1 02 www ucinstruments com 45 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 The AC power requirements are summarized on the rear panel of the instrument AC INPUT 100 240V 4A 50 60Hz AC Power Requirement Mark GM8001B Operating and Storage Environment
44. iderations iccsconacacesuncenuansecdunicouacdeskensedencancsndanensencnswsceeuadonstacapunieenanasannes 44 Initial Inspection e ssessoesoesseseoesosssessoesoesseesossosesessoesoossoesoesoossoesoesooesoesoeseossosesoesossse 44 AC Line Power Supply Requirements scccsccccssscssssccsssscsscsssccsssessesesseees 45 Line Power BR Sq UI ISG sssini esensia e a a k 45 Line Power Cablen a A ees 45 Temperatur ssesssisisssivissssessisessesosisdsroissssoissssd ioduro tesso ss eecthaas daste d sd toonsso sionis isisa 46 Humidity casdieccscsdancaverainncsaiasecanesdinecichiaseeran osian na sisie 46 PANE Ci AOPA E E E A T EREE EE 46 Pollution Protection e ssessessoesoossesooesosssessoesoossessoesoossoesoesooesoesoossossseeoossossseesossosese 46 Storage and SHIPMENE iccsmiannicuinncinumanmnanin anni vesito ss stss rs osts ss sssri 47 Instrument Cooling cosas scsasecasciasnuescdascecsas svrasivdconsscaneeesdvenvendevnsnnnsavnswavacasawensdvnanaed 47 Operating POSTON nainianigiiniansniioniarlionna mn ani ansiniliiudndumuaanet 47 Storage POSTON cissessvscennscensdasccencsecncsecaesccenctesienseeencadsenssnenosacasanadeasuscoundaqnacascueiceeans 47 Plug in ModuleSs eeocococoeooceccccccecoccccceccccececccesecccssescesesessessese S How to Plug in and Remove ModuleSs sseessessssesssoossoossssessoesssesssoossoossosssssesssee 48 Remove a Front Loadable Module ee cescesceseeseeeeeeeecesecaeeaeeeaeseneeseeeaees 48 Plug in a Front Loa
45. ightwave Multimeter Mainfram taju Pesiramemts fe Jvc testremeen i QMEOLRE Tunadie Lamer A The GM8001B Lightwave Multimeter mainframe has two slim module slots The system can host up to two front loadable modules of any combination of the following types e Tunable Laser Source Modules such as the GM81015C GM81001xx e Optical Power Sensor Modules such as the GM81005 GM81014 GM83001D 10200004 R1 02 www ucinstruments com 11 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 e Variable Optical Attenuator Modules such as the GM81007CL e Broad Band Lightsource Modules such as the GM810060 GM81006S GM81006C GM81006CL The front loadable module slots also support all modules designed for the GM8001B Lightwave Multimeter UC Instruments Corp also welcome customer design plug in modules GM8001B Lightwave Multimeter mainfram is an open lightwave platform It also can be extented to 8 channels and 16 channels format per customers request 10200004 R1 02 www ucinstruments com 12 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Description of the User Interface UC Logo Softkeys Slot 1 Slot 2 LCD display Hardkeys Power sensor module input connector FC PC Gmso018 fe UC Instruments LIGHTWAVE MULTIMETER USB Interface Power key Catch Figure 2 User interface of the GM8001B Lightwave Multimeter User Interface Features Softkeys A
46. iption GM81015C C Band Tunable Laser Source Module GM81015L L Band Tunable Laser Source Module GM81015CL C L Band Tunable Laser Source Module Attenuator Modules Model Description GM81007CL Variable optical attenuator C L Band 0 40dB GM81008CL Variable optical attenuator C L Band 0 60dB 10200004 R1 02 www ucinstruments com 54 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 GM8001B Specification The GM8001B Lightwave Multimeter is produced to the ISO9001 international quality system standard UC Instruments Corp continually increases customer satisfaction through improved quality control Specifications describe the instruments warranted performance Supplementary performance characteristics describe the instruments non warranted typical performance Because of the modular nature of the instrument the performance specifications apply to the modules rather than the mainframe unit The specifications for a module are supplied with that module GM8001B Specifications Graphical display 320 X 240 points visible Display monochrome Display Resolution Power Meters 0 001 dB dBm 0 001 nW uW mW ee The GM8001B mainframe supports all GM81xxx Compatibility Series modules Data Acquisitions Memory 16M bits flash Selectable data averaging time depends on sensor module Selectable total data averaging time 20 ms to 23 59 59 h Environmental
47. ircumstances look into the end of an optical device attached to optical outputs when the device is operational The laser radiation is not visible to the human eye but it can seriously damage your eyesight e To prevent electrical shock disconnect the instrument from the mains before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally e Do not install parts or perform any unauthorized modification to optical devices e Refer servicing only to qualified and authorized personnel Why is it important to clean optical devices In transmission links optical fiber cores are about 9 um 0 00035 in diameter Dust and other particles however can range from tenths to hundredths of microns in diameter Their comparative size means that they can cover a part of the end of a fiber core and as a result will reduce the performance of your system 10200004 R1 02 www ucinstruments com 60 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Furthermore the power density may burn dust into the fiber and cause additional damage for example 0 dBm optical power in a single mode fiber causes a power density of approximately 16 million W m2 If this happens measurements become inaccurate and non repeatable Cleaning is therefore an essential yet difficult task Unfortunately when comparing most published cleaning recommendations you will discover that
48. l softkey Nn A How to Clear A Digit When you are editing the value of a parameter press Clear softkey the highlighted digit is set to zero How to Change a Discrete Parameter For discrete parameters you may choose a particular value within a given range For a Power Meter module 1 Move to the Power Meter slot and press the Menu softkey 2 Move to the lt Averaging Time gt parameter and press Edit You see the screen in Figure 7 3 Move to lt 100ms gt by using the up or down cursor key then press OK Kenu OK Averaging Time 1 0ms Cancel Figure 7 Averaging Time Menu 10200004 R1 02 www ucinstruments com 18 TA UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Set to the Maximum Minimum Value 1 Select the slot for a Laser Source module or a Power Meter module using SEL hardkey 2 Press Set Max softkey to set the wavelength to maximum Press Set Min softkey to set the wavelength to minimum 10200004 R1 02 www ucinstruments com 19 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Optical Power Meter Module This section describes how to use the UC Instruments GM8001B Lightwave Multimeter to measure optical power using a Optical Power Meter Module that is e a Power Sensor module or e an Optical Head in conjunction with an Optical Head Interface module Optical Power Value The lt P gt parameter displays the power measurement valu
49. length Sweep Testing A wavelength sweep testing is performed when the instrument changes the optical wavelength of the optical output across a user defined wavelength range You can use a wavelength sweep to measure the wavelength dependent loss of an optical component How to Set the Sweep Testing Mode There are two kind of sweep testing modes wavelength sweep testing and frequency sweep testing To set the sweep testing mode to frequency sweep 2 Move to the Laser Source module by pressing SEL hardkey 3 Press More softkey and then press SEL hardkey to get to sweep setting screen Sweep Node avelength Tode Start 1525nm Stop 1568nm Step lnm Ea Pause Oms Ready Fig 17 Sweep Test Setting Screen 4 Press Mode softkey to change to the frequency sweep testing mode 10200004 R1 02 www ucinstruments com 34 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to Set the Wavelength Sweep Testing The wavelength sweep testing parameters These are the parameters for the wavelength sweep e lt Start gt the wavelength at which the sweep begins e lt Stop gt the wavelength at which the sweep ends e lt Step gt the size of the change in the wavelength for each step e lt Pause gt the amount of time for interval between two steps during sweep How to perform a Wavelength Sweep Testing To execute a wavelength sweep over the range 1530nm to 1560nm in 1 nm step interval for
50. lways be accessible If the instrument is in a cabinet it must be disconnected from the line power by the system s line power switch Initial Inspection Inspect the shipping container for damage If there is damage to the container or cushioning keep them until you have checked the contents of the shipment for completeness and verified the instrument both mechanically and electrically The Function Tests give a procedure for checking the operation of the instrument If the contents are incomplete mechanical damage or defect is apparent or if an instrument does not pass the operator s checks notify the UC Instruments Corp Maintenance and Service Center WARNING To avoid hazardous electrical shock do not perform electrical tests when there are signs of shipping damage to any portion of the outer enclosure covers panels and so on 10200004 R1 02 www ucinstruments com 44 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 AC Line Power Supply Requirements Line Power Requirements The UC Instruments GM8001B Lightwave Multimeter complies with overvoltage category II and can operate from the single phase AC power source that supplies between 100 V and 240 V at a frequency in the range 50 to 60 Hz The maximum power consumption is 120 VA with all options installed Line Power Cable In accordance with international safety standards the instrument has a three wire power cable When connected to an appropr
51. m 27 UC INSTRUMENTS CORP te GM8001B Lightwave Multimeter User Manual V1 02 GM83001D Optical Head with GM81014 Interface Module The GM8001B Lightwave Multimeter measures optical power using GM83001D Optical Head with GM81014 Interface Module The Optical Head measures the power emitted from a connected single mode Fiber The wavelength and power range depend on the sensor element Figure 13 GM81014 Interface module with GM83001D Optical Head GM83001D Specification Model Sensor Element Wavelength Range Power Range Application Fiber Type Uncertainty accuracy at reference condition Relative Uncertainty accuracy at reference condition Linearity power Return Loss Operation Temperature Storage Temperature Recalibration Period 10200004 R1 02 GM83001 Single Channel InGaAs 850 1700 nm 3 80 dBm Standard SM and MM up to 62 5 um core size 4 1200 nm 1610 nm lt 0 02 dB Typical lt 0 06 dB 1200 nm 1610 nm 0 60 dBm gt 40 dB 0 40 C 30 80 C 2 years www ucinstruments com 28 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Optical Input The optical input to the optical head requires a connector adapter to match the connector type or bare fiber to the optical head interface Put on an optical fiber adaptor to the GM83001D s Optical Head Interface When a connector adapter is fitted it should be locked in place by tightening
52. ncourage careful handling e n any correspondence refer to instrument by model number and serial number UC Instruments Corp Maintenance Service Center Any adjustment maintenance or repair of GM8001B must be performed by qualified personnel Contact your customer engineer through UC Instruments Corp Maintenance Service Center Tel 0773 5850657 5803731 http www ucigl com 10200004 R1 02 www ucinstruments com 53 TA JUC INSTRUMENTS CORP Order Information GM8001B Lightwave Multimeter User Manual V1 02 The GM8001B Lightwave Multimeter is available in various configurations for the best possible match to the most common applications This appendix provides information on the available options Power Meter Modules Model Description GM81002 High Power Single Channel Power Sensor 23 60 dBm GM81003 High Power Single Double Power Sensor 23 60 dBm GM81005 Low Power Single Channel Power Sensor 3 80 dBm GM8 1006 Low Power Double Channel Power Sensor 3 80 dBm Optical Head Interfaces Model Description GM81014 Single Channel Optical Module Interface Analog Output GM81016 Dual Channels Optical Module Interface Optical Heads Model Description GM83001D Low Power InGaAs Head 3 80 dBm GM83002 High Power InGaAs Head 23 60 dBm Tunable Laser Source Modules Model Descr
53. nction Check the appropriate function Passed Failed Test of the Hardkeys Test of the Softkeys Test of the Cursor Key Module Interaction Test Check the appropriate function Test of Min Spec Result Max Spec Passed Failed Slot 1 and Slot2 50dBm 23dBm 10200004 R1 02 www ucinstruments com 59 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Cleaning Information The following Cleaning Information contains some general safety precautions which must be observed during all phases of cleaning Consult your specific optical device manuals or guides for full information on safety matters Please try whenever possible to use physically contacting connectors and dry connections Clean the connectors interfaces and bushings carefully after use If you are unsure of the correct cleaning procedure for your optical device we recommend that you first try cleaning a dummy or test device UC Instruments Corp assume no liability for the customer s failure to comply with these requirements Safety Precautions Please follow the following safety rules e Do not remove instrument covers when operating e Ensure that the instrument is switched off throughout the cleaning procedures e Use of controls or adjustments or performance of procedures other than those specified may result in hazardous radiation exposure e Make sure that you disable all sources when you are cleaning any optical interfaces e Under no c
54. oid hazardous electrical shock do not perform electrical tests when there are signs of shipping damage to any portion of the outer enclosure covers panels and so on Operating Environment WARNING The GM8001B Lightwave Multimeter is not designed for outdoor use To prevent potential fire or shock hazard do not expose the instrument to rain or other excessive moisture 10200004 R1 02 www ucinstruments com 3 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Line Power Requirements The GM8001B Lightwave Multimeter System complies with overvoltage category II and can operate from the single phase AC power source that supplies between 110V and 240V at a frequency in the range 50 to 60 Hz The maximum power consumption is 120 VA with all options installed Line Power Connection In accordance with international safety standards the instrument has a three wire power cable When connected to an appropriate AC power receptacle this cable earths the instrument cabinet WARNING To avoid the possibility of injury or death you must observe the following precautions before switching on the instrument e Insert the power cable plug only into a socket outlet provided with a protective earth contact Do not negate this protective action by the using an extension cord without a protective conductor e Do not interrupt the protective earth connection intentionally e Do not remove protective covers Operating personnel
55. on is made P WwW Pi Wb W re Where Pag is the power value displayed in dB Pinput is the input signal level in Watts Pref is the chosen reference power value in Watts How to Set the Optical Power Units To set the power unit to dBm 1 Select the Power Meter module using SEL hardkey 2 Move to the lt P gt parameter and press the PwrUnit softkey 3 The unit of power will be changed to nw or dB or dBm when you press PwrUnit Power Reference Level How to Set the Reference Level dB results are shown relative to a reference level The lt Reference gt parameter in menu sets the power reference level Setting or changing the reference only affects results that are displayed in dB The following equations are used to calculate the power level in dB 10200004 R1 02 www ucinstruments com 21 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Paisplay 4B P measured dBm REF dBm or dB lOlog measured W P display REF W Where Paisplay is the displayed relative power Pmeasurea is the absolute power level REF is the reference level To set the reference level to 10 pW 1 Select the Power Meter module using SEL hardkey Press the PwrUnit softkey to change the units of power to pW then press Menu 2 3 Move to the lt Reference gt parameter and press the Edit softkey 4 Enter 10 by pressing the cursor keys 5 Press OK softkey to confirm the new refe
56. ormance Tests COO 0000000000000000 0000000000000000000000 56 Eguipment R guir d sdnincenscmnnsnrcnnniemmininnnnuniacdmienmaniannacs 56 Test Record osessssesosssosrososssscecossessesesssroooetsossosn sisu eoo siro oros ssos tousse sssi soso sranie 56 Test Pamir ccciiansavisuntianiaisnmilaendinliaknneneiasndeuinmuiuniaua 56 Instruments Specifications scssveccccscoessvesconssdcesenssensconsonsssesdscnnsacdedsccevadaccsanceenscweceuee 56 Performance Test Instructions s ssoessoessocsssesssesssocssoossosessooessoesssesssoessoossssessse 57 Display Key Functional Test cccccssccsnssaceccsvessacvsanscesarenassesnsetincdzanteacsnenssntanenitans 57 Test Record Ca 59 Cleaning ImfOrmation cccccccccccccccccccccscccccccccsscccccssccessees OO Safety POCA GOI casas iccesisiisicoaasziccoiansedapsudesuva saciausin Gebebaiseceiee ae deinses chevanibaneatpleaes 60 Why is it important to clean optical deviCes ssesssessseoesooessosssosssoesssoessseessoosso 60 What do I need for proper cleaning scccsscecssssecessecssseecsssssssesssscsssessesees 61 Standard Cleaning Equipment icsc 0pssnidacendioactantexpsaniaentseannanaeeninaas 61 Dust and sh tt r CANS icecream nnn nani eonminmnimnninecnn 61 ESOP O Py L ALCON was vesisiacseasnedencsavueatviascecseaasneasdelenneccvasiieusvinvensdonsunecanlantwadssewcnenvnanaes 62 Cotton SWabs eessessoesoessecsoesosssessoesooesoesoesooesoesoesooesoesoeseossossoesoossoesoeeeossossseesoesos
57. pressed air 10200004 R1 02 www ucinstruments com 67 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 CAUTION Only use clean dry compressed air Make sure that the air is free of dust water and oil If the air that you use is not clean and dry this can lead to filmy deposits or scratches on the surface of your connector interface This will degrade the performance of your transmission system Never try to open the instrument and clean the optical block by yourself because it is easy to scratch optical components and cause them to become misaligned How to clean optical devices which are sensitive to mechanical stress and pressure Some optical devices which has a gold plated surface are very sensitive to mechanical stress or pressure Do not use cotton swabs soft tissues or other mechanical cleaning tools as these can scratch or destroy the surface Preferred Procedure Use the following procedure on most occasions 1 Blow away any dust or dirt with compressed air Procedure for Stubborn Dirt To clean devices that are extremely sensitive to mechanical stress or pressure you can also use an optical clean polymer film This procedure is time consuming but you avoid scratching or destroying the surface 1 Put the film on the surface and wait at least 30 minutes to make sure that the film has had enough time to dry 2 Remove the film and any dirt with special adhesive tapes Alternative Procedure For th
58. quipment Do not proceed beyond a CAUTION sign until the indicated conditions are fully understood and met Laser Safety Labels Laser class 1 label 10200004 R1 02 www ucinstruments com 5 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 A sheet of laser safety labels is included with the laser module as required In order to meet the requirements of IEC 60825 1 we recommend that you stick the laser safety labels in your language onto a suitable location on the outside of the instrument where they are clearly visible to anyone using the instrument WARNING Please pay attention to the following laser safety warnings e Under no circumstances look into the end of an optical cable attached to the optical output when the device is operational The laser radiation can seriously damage your eyesight e Do not enable the laser when there is no fiber attached to the optical output connector e The laser is enabled by pressing the Laser On softkey on the front panel of the instrument The laser is on when the red LED on the front panel of the source module is lit e The use of other optical instruments with this product will increase the hazard to your eyes e The laser module has built in safety circuitry which will disable the optical output in the case of a fault condition e Refer servicing only to qualified and authorized personnel 10200004 R1 02 www ucinstruments com 6 te UC INSTRUMENTS CORP
59. receiving any light 2 Select the Power Meter module 3 Press Zero softkey to zero the current power measurement You will see texts for Zeroing on the bottom of screen this appears for around 10 seconds while zeroing is performed How to Set the Averaging Time This is the length of time over which a signal is averaged Longer averaging times increase the accuracy and improve the noise rejection Longer averaging times also decrease sensitivity The averaging time may be selected from Ims 2ms Sms 10ms 20ms 50ms 100ms 200ms 500ms 1000ms 2000ms 5000m s 10000ms For example set the averaging time to 500ms 1 Select the Power Meter module using SEL and press the Menu softkey 2 Move to the lt Averaging Time gt parameter and press Edit Nenu Edit Averaging Time 1 0ms Close Humber of Digits Figure 9 Averaging Time Menu 10200004 R1 02 www ucinstruments com 24 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 3 Move to lt 500ms gt by using the down cursor key and press OK Nenu Figure 10 Set Averaging Time How to Hold the Screen Pressing the Hold Cnt softkey allows you to hold the screen so that no new measurements are displayed Hold is displayed as shown in Figure 11 By pressing the Hold Cnt softkey a second time the screen will display new measurements continuously Slotl GH81015 F 193414 5 GHz P 13 0 dBm State Slot2 GE83
60. rence level How to Set the Reference Value to the Current Power Value In addition to entering a new reference value you can change the reference value to the currently displayed power value by pressing the Dsp gt Ref softkey Pressing the Dsp gt Ref softkey takes the input power and stores it as the reference Setting the reference only affects results displayed in dB When you press the Dsp gt Ref softkey the power units must be dB The power will be calculated into absolute power value in dBm or Watts and be stored as the reference that is REF P measured Where REF is the reference and Pneasured 18 the absolute power level in Watts or dBm calculated from relative power value displayed in dB The Dsp gt Ref softkey is displayed if you move to a power measurement channel 10200004 R1 02 www ucinstruments com 22 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to Set the Wavelength This is the wavelength value The responsivity of the Power Meter varies with wavelength For accurate power measurement you need to set the wavelength of the optical input To set the wavelength to 1545 00nm 1 Select the Power Meter module using SEL and press the Details softkey 2 Move to the lt 4 gt parameter and press the Edit softkey 3 The highlight toggles the first digit Press the up and down cursor keys to modify the value of the highlighted digit Press the left and right cur
61. seese 16 How to Change the Parameter Units ssccscssiccsnssdaccavsxsasenads ssavsaantsessbinaaccassetedians 16 How to Accept the New Value of a Parameter snnnsnnsenessesesseessessessresseeseeee 16 How to Cancel the Editihg sc cciassesanecusiscyiscanuasucntnecaseannsanpivsetaxestnseataneseectusuetauves 17 How to Change the Value of a Parameter s nnsnssnsoesessseessesseseessessessresseeseese 17 How to Clear A Digit ascissccstcsasssacunscusacsincscoteaateustede R EEA EE a R EEES 18 How to Change a Discrete Parameter 0 ccecceesceesceeeteceeeceeeeeeseecsaecneensees 18 Set to the Maximum Minimum Vale sss sstesacxntsenssnnnessavsssesadyarsenstansesudavanneouns 19 Optical Power Meter Module socssessoccsecccccccecceccceccsseessessse 20 Optical Power Vall wcicccsicasccescscoscaseneosseskenssecsonsevsdsuenaveausnssuenavenanasanencsenanseauancequaceecs 20 How to Set the Number of Digits sscacsscsssacsecusssivntbsedoacenisaswusspavntesedseacerontntinnes 20 Optical Power UW siscccisssecsscicsrcaccusdeacsard cooarevinvnkscviancesaviawendevbansercntenenaaseatanserneneds 20 What are the Optical Power WIS scssssuvepeesdvrnesesentaoesusstonsssanesenasscsdueianeusas 20 How to Set the Optical Power Units iccjsscccatecesihexssdoiiecassnecrenantietendiecsiwansiaiaien 21 Power Reference Level incacsnnniiincnnmmmcanwminimnmeimnnminnaaa 21 How to Set the Reference Level sccesszcicisnnisncasssennconsncerceanstones sanvonpuneatencmnnan
62. sor keys to select another digit required to change Until the current value is changed to 1545 00 press OK softkey SLOT1 SLOT2 ox P 30 948n A f1550 0 AvTime 1 ms Figure 8 Set the Wavelength How to Perform a Zero Optical Power Meters measure optical power by converting optical power to electrical power and then measuring electrical power An electrical offset is electrical power that is always present even if there no optical power is input If electrical offsets are not removed they affect the accuracy of power measurement Performing a zero sets the zero power level to the average electrical offset level for the current environmental conditions NOTE The environmental conditions and the temperature of the instrument affect electrical offset For the best results you must 10200004 R1 02 www ucinstruments com 23 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 e Allow the instrument time to perform a zero during operation per 1 hour e Allow the instrument time to warm up around 20 minutes e Make sure that the optical input is not receiving any light If you are using multi mode fiber optic cable you must disconnect the cable and cover the input to the Power Meter to perform a zero It is good practice to perform a zero before making any important measurements To remove electrical offsets 1 Cover the input to the Power Meter and make sure the optical input is not
63. sseesose 62 Soft TES SINGS ssssessssssssssssssoessoosssssssososssosssossoesisvsssssvssvss osesssvssvossoe s vossas ssassesssorssoo soss 63 Pipe cleaner saaccdissncinans mere meneame 63 Compress d air caus sdeancicccesceucadesaeaccarsuccencasiuekstussteavuaiecascucavecionneneeddveacenneupinaccuntanees 63 Additional Cleaning Equipment sicscxssxseisswessssnadanedesoedivesasivessdeceyosvestarwesdwetencsseas 64 Microscope with a magnification range about 50X up to 300X sssseeeees 64 Ultrasonic WAIN sci ccstestevessccvessdatesiuessescectadesivescteste cesusend siuasseiseudeneedentesuestualeuiaceetsconds 64 Premoistened cleaning wipes ssssiesscsssccssssssvccovssesvsscossveesssicvenssonsvessevscwenacsseuensdenanaes 65 Cleaning Instrument TIO USHIGS pacssunsssyisesstdundinessexsscnenibusdstvesabetinsinvesinsennives 65 Which Cleaning Procedure should I use sccccscccssssccsssceccscessseescsessssesees 65 How to Clean GONMECIONS 7 secussassnevsnotascevansesiauss iaie EEE E RERE 66 How to clean connector interfaces 0 cceccesccesseessceesseceeeceeeeeeeenseecsaeenteesnes 67 How to clean instruments with a fixed connector interface eee 67 How to clean optical devices which are sensitive to mechanical stress and PTCSSULCS 7 dj shivaasstsnxnnasiadncaraneaccasss abevaarsduccesadandcanarsaceanshsausaanasnocnsagaiocaneetanmbisnocan 68 Other Cleaning Hints ss ocacssundscerenssrntarnceanvsentexeusantrnearenctucensanmeseudexeunianeit
64. tes 21 How to Set the Reference Value to the Current Power Value eeeeeee 22 How to Set the Wavelength e ssesssesesooesooesoosssoesssesssoossoossosesssssssoesssesssosssosssosssose 23 How to Perform a ZrO ssssissssssiissesssissosaceissssoosisssssoosispcaeosssdsssssjssvoosisscissjesdastsiis ss 23 How to Set the Averaging Time sseessoessosssoesssesssoossoossosesssesssesesoossoosssosssossssee 24 How to Hold the Screen sesssesssesssesesoccssocssoossssesssesssesssocessossoosssoesssesssosssossssssssse 25 10200004 R1 02 www ucinstruments com 7 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 How to Choose the MinMax Mode ccsscssccscssssssccssssssccsssssscsesssssccscssseseecs 26 How to Turn Off MinMax Mode scccsssssccccssssscccssssssccssssssccssssssccsssssesseees 27 How to Set the Size Of Buffer sssssscisssscescacacssiedasedusereasecsstessavess sncssesnssiesssaasseeenesns 27 How to Reset B tfer sssssssssesssissosiussssosiisissdossonisnnssassssssssssas siasio sinadi seiras os seiss io aie 27 GM83001D Optical Head with GM81014 Interface Modulle sscssseesees 28 GM83001D Specification sscseccsscssstscesscssccesscessesssssseccssacssesensseesnsesscess 28 Optical INPUT sssini riue rE EEE EAE ESEON E TESEN NE ES ERETTE EAR 29 Analog Output iieaninn aaxtseoddeselas daecpnseoredtesdiexsuanlcaseteeienesannicam anne 29 MS UNA HOT een n e E E ey desi O E meade
65. the Details softkey e from the Menu screen after pressing the Menu softkey or e from the Overview screen Then move to the parameter using up or down hardkey Editing a Parameter To start editing a parameter 1 Press the Edit softkey to enter editing mode 2 The first digit of setting value will be highlighted first as shown in Figure 6 SLOT1 SLOT2 F 993414 5 P 13 0 dBm Freq 191194 196585 2 GHz State Figure 6 Screen of editing a parameter 10200004 R1 02 www ucinstruments com 17 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Enter the new value for the digit by using the up and down keys If you want to select another digit to edit use the left or right cursor key Repeat steps 3 and 4 to continue editing the value When you have finished editing the value press OK softkey The edited value becomes the new value of the parameter Nn A W For example change the wavelength for a Laser Source Module 1 Select the slot for Source Module using SEL hardkey and press Details 2 Move to the wavelength parameter 4 and press Edit 3 The highlight toggles the first digit Press the up and down cursor keys to change the value of the highlighted digit Press the left and right cursor keys to select another digit required to change Repeat 3 and 4 steps until the wavelength meets requirement then press OK If you want to cancel the change press Cance
66. the locking screws located either side of the main optical head housing The following figure shows three types of adapter that are available for connecting the input fiber to a GM83001D optical head Bare fiber clip SC Connector adapter Connector adapter FC PC Connector adapter Analog Output The analog output is the BNC connector on the front panel of the GM81014 Interface Module It outputs a voltage directly proportional to the strength of the optical signal at the optical input in the current range The analog signal is always in the range between 0 and 3 7V 3 7V corresponding to a full power input signal in the current range 0V corresponding to no input signal Applications Possible applications for the analog output are e to close the feedback loop controlling the current supplied to a laser e to aid positioning the system for fiber alignment tasks e to monitor optical power on an oscilloscope The analog signal reacts instantaneously to the input signal whereas the power shown on the display is subject to averaging 10200004 R1 02 www ucinstruments com 29 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Installation Optical Head Interface Self locked Plug Figure 14 GM83001D Optical Head When you connect a GM83001D to the GM81014 Optical Interface module make sure that the red dot on the Self locked Plug of GM83001D is align to the same one on the module of GM81014 interface t
67. tors interfaces lenses mirrors and so on To be absolutely certain that a cleaning paper is applicable please ask the salesperson or the manufacturer Cleaning the housing and the mainframe When cleaning either the mainframe or the housing of your instrument only use a dry and very soft cotton tissue on the surfaces and the numeric pad Never open the instruments as they can be damaged Opening the instruments puts you in danger of receiving an electrical shock from your device and renders your warranty void 10200004 R1 02 www ucinstruments com 69 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 UC INSTRUMENTS CORP CONTACT INFORMATION UC INSTRUMENTS CORPORATION Add 37498 Glenmoor Dr Fremont CA 94536 USA Tel 1 510 366 7353 Fax 1 510 353 1809 Email sales ucinstruments com Website www ucistruments com MAINTENANCE SERVICE CENTER GUILIN CHINA Address No 16 Yi Feng south road GuiLin China Tel 86 773 5850657 Fax 86 773 5814532 Website www ucigl com 10200004 R1 02 www ucinstruments com 70
68. traight out of the packet and never used twice This is because dust and dirt in the atmosphere or from a first cleaning may collect on your swab and scratch the surface of your optical device 10200004 R1 02 www ucinstruments com 62 fe UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Soft tissues These are available from most stores and distributors of medical and hygiene products such as supermarkets or chemists shops We recommend that you do not use normal cotton tissues but multilayered soft tissues made from non recycled cellulose Cellulose tissues are very absorbent and softer Consequently they will not scratch the surface of your device over time Use care when cleaning and avoid pressing on your optical device with the tissue Pressing too hard may lead to scratches on the surface or misalignment of your device Just rub gently over the surface using a small circular movement Use only clean fresh soft tissues and never apply them twice Any dust and dirt from the air which collects on your tissue or which has gathered after initial cleaning may scratch and pollute your optical device Pipe cleaner Pipe cleaners can be purchased from tobacconists and come in various shapes and sizes The most suitable one to select for cleaning purposes has soft bristles which will not produces scratches There are many different kinds of pipe cleaner available from tobacconists The best way to use a pipe
69. wavelength accuracy 10 pm tpy lt 5 pm Relative wavelength accuracy 5 pm Typ 2 pm Wavelength repeatability 2 pm typ 1 pm Wavelength stability typ 24 hrs oe at constant temperature Tuning speed lt 0 1s per step Power stability 0 05 dB 1 hour Typ 0 1 dB 24 hours Power repeatability 0 05 dB Power linearity 0 3 dB Power fiatness versus wavelength 0 3 dB typ 0 5 dB max Side mode Suppression ritio gt 40 dBc Relative intensity noise RIN Typ lt 135 dB Output optical interface PM FC PC connector Dimensions 75 mm H 32 mm W 310 mm D Weight 0 5 kg 10200004 R1 02 www ucinstruments com 40 te UC INSTRUMENTS CORP GM8001B Lightwave Multimeter User Manual V1 02 Varial Optical Attenuator Module This section will introduce how to use the GM8001B Lightwave Multimeter with the UC Instruments Varial Optical Attenuator modules to attenuate and control optical power in single mode optical fibers How to Use a Optical Attenuator Module How to Set Attenuation For the best possible accuracy before applying an attenuation value set the lt A gt parameter for the Attenuator module to the wavelength of the Laser Source To set the A parameter for the Attenuator module 1 Move to the Attenuator module and press the Details softkey 2 Move to lt gt parameter and press Edit You see the screen in Figure 21 SLOT1 SLOT2 ATT 0 dB A 1560 0 ATT 0 40dB Fig

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