AQ7270 Series OTDR Operation Guide
Contents
1. 40 9598 Label 4 aa 5 z Print 2 Setup Event List ji Device USB Maker HP Print Color Color Event No km Loss dB Loss dB Loss dB Tupe 10R 1 1 02669 2 154 0 536 0 701 L 1 46000 4 46000 1 33469kn 5 22240 Execute ursor 26 23389kn vent Distance Splice_ Return Cumulate dB kn Section To also print the event list on the screen set the Event List setting to ON 4 Select the internal printer or any external printer Execute 5 Press the Execute soft key to print IM 735020 02E ee U 18 1 Loading and Saving Waveforms in the user s manual Saving FILE a 1 Press FILE Action 2 Press the Action soft key 3 From the item list select Save 2007 01 23 10 27 Average 00 00 LSA Drive USB uu Samp Te ROTEL Trae 4 action File Nane Date Savel 4 File Type Er 4 Drive MAE rej m 4 FileNane File list screen Setup Save File Nane 0 SOR 4 Select the desired file type 5 Set the save destination to Dive the internal memory or USB memory FileName Setup 6 Set the file name as necessary Save 7 Press the Save soft key to save the file 31 Entering Characters Entering Characters You can enter file names and comments from the character input screen sho2. Next Pulse Width Auto 100 ns D O n Auto 0 00 dB 2 2 Avg Duration Auto i 10R 1 46000 i eet If you set a short sampling interval the range defined by sampling interval x 50 000 points is displayed on the screen IM 735020 02E 23 Making Measurements Measuring the Distance and Loss between Two Points cop U Section 10 1 Measuring the Distance from the Instrument in the user s manual Markers J 1 Press the Marker soft key 2 Point Markers 2 Press the 2 Point Markers soft key 3 Turn the rotary knob to the right to display the cursor 2007 01 23 03 46 Average 100 TPA Coarse yl AC Marker PENE Bal 4 Markers 7 p ej kitel ZZ Move the cursor to the start point of the distance 2 Point measurement and press the O soft key i g Move the cursor to the end point of the distance 4 Point measurement and press the soft key Markers 2 If you are measuring the loss and there are events connection points between O and O set the marker approximation to TPA 4 n M Cursor istance 9 99659km SZEJ SMP 8 m 43 00341km Ref Set G imati ENEI Wave Tength SH IST m Spice Lass You can change the marker approximation method Gal pulse width see NS Rm IS using Approx Method Marker in the analysis setup Riedla Aug tines 234 ia m of the detail setup mode 10R 1 46000 0 3 p dB km
3. Internal memory Saves up to 1000 waveforms USB 1 1 Type A printer and external memory Type B remote and storage LAN option 10 100BASE T Internal printer option 576 dot line thermal printer chart paper width 80 mm AC power supply 100 to 240 VAC 50 60 Hz Battery pack Duration 6 hours under given usage conditions Charge time 5 hours ambient temperature of 23 C power OFF Weight excluding options Approx 2 8 kg Dimensions projections excluded 287 W x 197 H x 85 D 287 W x 197 H x 135 D __ with the PL option Temperature range During use 0 C to 45 C During storage 20 C to 60 C When using the printer 0 C to 35 80 RH or less When charging the battery pack 0 C to 35 C Maximum relative humidity 85 RH or less without condensation Storage altitude 3000 m or less Operating altitude 2000 m or less Environmental protection Uses lead free soldering 42 IM 735020 02E Specifications Item Specifications Emission Complying standard Cable conditions EN61326 1 Class A EN55011 Class A Group 1 EN61000 3 2 EN61000 3 3 This instrument is a Class A for industrial environment product Operation of this product in a residential area may cause radio interference in which case the user is required to correct the interference C Tick EN55011 Class A Group 1 USB Use a shielded cable Use cables of length 3 m or less Attach a ferrite core TDK ZCAT2035 0
4. Event number 1 Event number 2 Last detected event E Event without reflections from fused points etc Event list D ee EFECT POEZJE Event without reflections from fused points etc ursor 54 n Event Distance Splice Return Cumulate dB kn Event Section negative splice loss No km Loss dB Loss dB Loss dB Type IOR 1 4 30330 0 841 lt 33 477 1 133 0 232 _h_ 1 4110 3 2 __29 45595 1 212 33 664 6 671 0 187 1 47110 t _ Event with reflections from the connector E 54 60860 0 208 1 1 47110 connection point etc 20 IM 735020 02E Making Measurements Performing Averaging and Viewing Waveforms eoep U Section 7 2 Averaging Measurement in the user s manual If the event search was set to Manual on page 19 AVE 1 Press AVE The measurement starts The AQ7270 performs averaging and stop the measurement If you press AVE again while waveform acquisition is in progress the measurement stops at that point The progress of the averaging process is shown at the top section of the screen The measurement stops when 100 is reached LASER ON is indicated during the waveform acquisition You can only operate the markers and edit the labels while the measurement is in progress 2007 0
5. 197 Front view Side view PL IM 735020 02E 4 7
6. Attenuation dead zone Dynamic range min Light source optical output Light source output level stability Optical power monitor input level Optical power monitor accuracy 1310 nm 25 nm 1490 nm 25 nm 1550 nm 25 nm SM ITU T G 652 0 8 m max 7 m typ Q1310 nm 8 m typ Q 1490 nm 8 m typ 1550 nm 34 dBQ1310 nm 30 dB 1490 nm 32 dB 1550 nm 5 dBm or more 735025 LS option 735035 SLS option 0 1 dB 735035 SLS option 50 dBm to 5 dBm PM option 0 5 dB PM option MODEL 735026 735036 Center wavelength Measuring pulse optical output Applicable fiber Event dead zone Attenuation dead zone Dynamic range min Light source optical output Light source output level stability Optical power monitor input level Optical power monitor accuracy 1310 nm 25 nm 1550 nm 25 nm 1625 nm 25 nm lt 15 dBm max 1625nm excluding 735036 PN option SM ITU T G 652 0 8 m max 0 8m Typ if the suffix code is 735036 PN 7 m typ Q1310 nm 8 m typ Q1550 nm 12 m typ Q 1625 nm 34 dBQ1310 nm 735026 32 dB Q1550 nm 735026 28 dB 1625 nm 735026 40 dB 1310 nm 735036 38 dB 1550 nm 735036 33 dB 1625 nm 735036 23dB 1310nm 735036 PN option 21dB 1550nm 735036 PN option 16dB 1625nm 735036 PN option 5 dBm or more 735026 LS option 735036 SLS option 0 1 dB 735036 SLS option 50 dBm to 5 dBmQ 1310 1550 nm PM o
7. 3R 650 nm CW lt 5 mW 650 nm 735036 1M 1310 1550 1625nm CW lt 5 mW 1310 1550 1625 nm PULSE lt 200 mW 1310 1550 1625 nm PULSE width lt 20 us 1310 1550 1625 nm duty cycle lt 2 5 735037 1M 1310 1550 1650 nmm CW lt 5 mW 1310 1550 1650 nm PULSE lt 200 mW 1310 1550 nm PULSE lt 32 mW 1650 nm PULSE width lt 20 us 1310 1550 1650 nm duty cycle lt 2 5 735038 1M 1310 1550 1625nm CW lt 5 mW 1310 1550 1625 nm PULSE lt 200 mW 1310 1550 1625 nm PULSE width lt 20 us 1310 1550 1625 nm duty cycle lt 2 5 3R 650 nm CW lt 5 mW 650 nm 735040 1M 850 1300 nm PULSE lt 50 mW 850 nm PULSE lt 100 mW 1300 nm PULSE width lt 1 us 850 nm duty cycle lt 5 lt 5 us 1300 nm duty cycle lt 0 6 1310 1550 nm CW lt 5 mW 1310 1550 nm PULSE s 200 mW 1310 1550 nm PULSE width lt 20 us 1310 1550 nm duty cycle lt 2 5 735041 1M 850 1300 nm PULSE lt 50 mW 850 nm PULSE lt 100 mW 1300 nm 1310 1550 nm PULSE width lt 1 us 850 nm duty cycle lt 5 lt 5 us 1300 nm duty cycle lt 0 6 CW lt 5mWQ1310 1550 nm PULSE lt 200 mW 1310 1550 nm PULSE width lt 20 us 1310 1550 nm duty cycle lt 2 5 46 IM 735020 02E Specifications External Dimensions Unit mm Unless otherwise specified tolerance is 3 however tolerance is 0 3 mm when below 10 mm PL option LAN and internal printer options
8. User s fiberX plorer Manual AQ7270 Series OTDR Operation Guide YOKOGAWA OCS Yokogawa Meters amp Instruments Corporation 6th Edition Fo reword eee Thank you for purchasing the AQ7270 Series AQ7270 AQ7275 OTDR Optical Time Domain Reflectometer The purpose of this operation guide is to familiarize the first time user with the basic operations of the AQ7270 Series There are two additional user s manuals for the AQ7270 Series OTDR One is the user s manual IM735020 01E CD ROM which explains all the functions The other is the communication interface user s manual IM735020 17E CD ROM which de tails the communication functions Read these manuals along with this operation guide Copying or reproducing all or any part of the contents of this manual without YOKOGAWA s permission is strictly prohibited e Every effort has been made in the preparation of this manual to ensure the accuracy of its contents However should you have any questions or find any errors please contact your nearest YOKOGAWA dealer 6th Edition September 2011 YMI All Rights Reserved Copyright 2006 Yokogawa Electric Corporation All Rights Reserved Copyright 2011 Yokogawa Meters amp Instruments Corporation IM 735020 02E 1 Trademarks The fiber Xplorer is the registered trademark of Yokogawa Electric Corporation Adobe Acrobat and PostScript are trademarks of Adobe Systems Incorporated For purposes of this manual t
9. make correct measurements 1 Open the optical connector cover at Press the connector end face of the optical fiber cable the top of the AQ7270 MWA firmly against the cleaning surface of the cleaner 2 Match the direction of the optical fiber 2 Turn the cable around once with the end face pressed cable connector to the optical against the cleaner connector and insert it j 3 Rub the end face against the cleaner 4 Repeat steps 1 to 3 You can purchase an optical fiber connector cleaner from NTT AT Corporation The connector to which the cable is to be connected varies depending on the wavelength Connect the cable to the connector that is indicated by the red indicator at the top of the AQ7270 display Optical pulse output indicator we Setup 16 IM 735020 02E Preparation Configuration of Peripheral Devices AC adapter Ethernet connector remote control EL Factory option Measurement port 2 Wavelength 1 650 850 1300 1650 nm EK DUT Measurement port 1 Wavelength 2 1310 1490 1550 1625 nm EK DUT ax EL USB connector USB memory USB printer USB104 keyboard PC USB connector L remote control and storage s LE RE 1 The 735021 outputs 1650 nm from PORT1 The 735029 outputs 850 nm and 1300 nm from PORT1 The PM option supports on
10. 735029 1M 850 1300 nm PULSE lt 50 mW 850 nm PULSE lt 100 mW 1300 nm Pulse width lt 1 us 850 nm duty cycle lt 5 lt 5 usQ 1300 nm duty cycle lt 0 6 735030 1M 850 1300 nm 1310 1550 nm PULSE lt 50 mW 850 nm PULSE lt 100 mW 1300 nm Pulse width lt 1 us 850 nm duty cycle lt 5 lt 5 us 1300 nm duty cycle lt 0 6 CW lt 5 mW 1310 1550 nm PULSE lt 200 mW 1310 1550 nm Pulse width lt 20 us 1310 1550 nm duty cycle lt 2 5 735031 1M 3R 1650 nm 650 nm CW lt 5 mWQ1650 nm PULSE lt 32 mW 1650 nm Pulse width lt 20 usQ1650 nm duty cycle lt 2 5 CW lt 5 mW 650 nm 735032 1M 3R 1310 1550 nm 650 nm CW lt 5 mW 1310 1550 nm PULSE lt 200 mW 1310 1550 nm PULSE width lt 20 usQ 1310 1550 nm duty cycle lt 2 5 CW lt 5 mW 650 nm 735033 1M 3R 1310 1550 nm 650 nm CW lt 5 mW 1310 1550 nm PULSE lt 200 mW 1310 1550 nm PULSE width lt 20 us 1310 1550 nm duty cycle lt 2 5 CW lt 5 mW 650 nm 45 Specifications MODEL Class Center Wavelength _ Output Power 735034 1M 1310 1550 nm CW lt 5 mW 1310 1550 nm PULSE lt 200 mW 1310 1550 nm PULSE width lt 20 us 1310 1550 nm duty cycle lt 2 5 3R 650 nm CW lt 5 mW 650 nm 735035 1M 1310 1490 1550nm CW lt 5 mWw 1310 1490 1550 nm PULSE lt 200 mW 1310 1490 1550 nm PULSE width lt 20 us 1310 1490 1550 nm duty cycle lt 2 5
11. Light source optical output Light source output level stability Optical power monitor input level Optical power monitor accuracy 1310 nm 25 nm 1550 nm 25 nm SM ITU T G 652 0 8 m max 0 8m Typ if the suffix code is 735033 PN 7 m typ Q1310 nm 8 m typ Q1550 nm 40 dB 1310 nm 38 dB 1550 nm 23dB 1310nm 735033 PN option 21dBQ1550nm 735033 PN option 5 dBm or more 735023 LS option 735033 SLS option 0 1 dB 735033 SLS option 50 dBm to 5 dBm PM option 0 5 dB PM option MODEL 735024 735034 Center wavelength Applicable fiber Event dead zone Attenuation dead zone Dynamic range min Light source optical output Light source output level stability Optical power monitor input level Optical power monitor accuracy 1550 nm 25 nm 735024 1625 nm 25 nm 735024 1310 nm 25 nm 735034 1550 nm 25 nm 735034 SM ITU T G 652 0 8 m max 8 m typ Q1550 nm 735024 12 m typ Q 1625 nm 735024 7 m typ Q1310 nm 735034 8 m typ Q1550 nm 735034 38 dBQ1550 nm 735024 35 dB 1625 nm 735024 43 dBQ1310 nm 735034 41 dB 1550 nm 735034 5 dBm or more 735024 LS option 735034 SLS option 0 1 dB 735034 SLS option 50 dBm to 5 dBmQ 1310 1550 nm PM option 0 5 dBQ1310 1550 nm PM option 38 IM 735020 02E MODEL 735025 735035 Specifications Center wavelength Applicable fiber Event dead zone
12. 0 5 dB of the steady state value 14 Pulse width 3 ns return loss 40 dB or more at a point where the backscattering light level is within 1 5 dB of the steady state value 15 At pulse width 100ns The dynamic range values are smaller by 0 5 dB than the above values if the dummy fiber option is used Typical value represents a typical or average value It is not strictly warranted The ampersand after the values in the optical specifications indicate that the value correspond to the wavelength after the ampersand Please inquire for information on performance when using GI 50 125 um 41 Specifications General Specifications Item Specifications Display 8 4 inch color TFT 640 x 480 dots Distance range 500 m 1 km 2 km 5 km 10 km 20 km 50 km 100 km 200 km 300 km 400 km and 512km This parameter covers firm ware versions 3 01 or later of the AQ7270 Series Reading resolution 1 cm min Sampling resolution 5 cm 10 cm 20 cm 50 cm 1 m 2 m 4 m 8 m 16m 32m Number of data samples Up to 50000 points Group refraction index 1 30000 to 1 79999 0 00001 steps Distance unit km_mile and kf for English display Pulse width 3 ns 10 ns 20 ns 50 ns 100 ns 200 ns 500 ns 1 us 2 us 5 us 10 us and 20 us mi 5 us for 850 nm GI 2 Exclude 3 ns for 850 1300 nm Gl of 735029 735030 and 735040 Distance measurement accuracy _ 1 measured distance x 2 x 10 5 sampling resolution
13. 735021 1650 nm 28 dB 735022 1310 1550 nm 34 32 dB 735023 1310 1550 nm 40 38 dB 735024 1550 1625 nm 38 35 dB 735025 1310 1490 1550 nm 34 30 32 dB 735026 1310 1550 1625 nm 34 32 28 dB 735027 1310 1550 1650 nm 34 32 28 dB 735028 1310 1550 1625 nm 40 38 35 dB 735029 850 1300 nm 22 5 24 dB GI 62 5 125 um 735030 850 1300 nm 22 5 24 dB GI 62 5 125 um 1310 1550 nm 34 32 dB AQ7275 MODEL Suffix Code Description 735031 1650nm 30dB 15 dB if the suffix code is PN 735032 1310 1550 nm 34 32 dB 36 34 dB if the suffix code is DR 735033 1310 1550 nm 40 38 dB 23 21 dB if the suffix code is PN 735034 1310 1550nm 43 41dB 735035 1310 1490 1550nm 34 30 32dB 735036 1310 1550 1625nm 40 38 33dB 23 21 16 dB if the suffix code is PN 735037 1310 1550 1650 nm 40 38 30 dB 735038 1310 1550 1625nm 40 38 35dB 23 21 16 dB if the suffix code is PN 735040 850 1300 nm 22 5 24dB GI 62 5 125 um 1310 1550 nm 40 38 dB 735041 850 1300 nm 21 5 23dB GI 50 125 um 22 5 24dB GI 62 5 125 um 1310 1550nm 40 38dB 35 Specifications AQ7270 AQ7275 Item Suffix Code Description Optical connector SCC SC connector fixed FCC FC Connector fixed ASC Angled PC SC Connector NON No universal adapter USC SC universal adapter UFC FC universal adapter Language HE English HC Chinese English HK Korean English HR Russian English Power cord D UL CSA standard Max rated voltage 125 V F VDE standard Ma
14. Setting the Measurement Conditions Setting the Detail Mode oop U Section 6 1 Setting the Measurement Conditions in the user s manual You can set the measurement conditions in detail according to the DUT OTDR gt 1 Press the OTDR soft key SETUP 2 Press SETUP 5 Move the cursor to the item you want to set and press ENTER 3 Select Detail 4 Select Meas Wave length SM 1310nm Select the wavelength a a gt Set a range that is longer than the length of fl Mode Distance Range 100km the fiber o be measured j i le i gt Gai eats Pise width l pons 7 Set automatically if you change the S Ful 1 Auto L Attenuation 2 50dB distance range i Sample Interval Normal M Can be specified only if the averaging Measurement method is set to high speed Wizard Avg Method Hi Speed 4 Auto Save se Avg Unit Pes gt puracrowh Select the sampling interval Drive Detail Display Avg Duration 10sec l Select high reflection if you are measuring Int Memoruj Setup ji z as the return loss or a fiber that is longer than Approxtethod Event Search Auto anual or equal to approximately 20 km Marker ji Auto Save 4 Setup ON Set the averaging count or average TPA Multi WL duration of the waveform Fiber In Use Alarm DFR N L Plug Check Select the automatic measurement of System s pry N the return loss or splice loss Setu P Additional Avg DFR ON Set the conditions for aut
15. Wavelength SM 1310 m Splice Loss Dist Range 50 km _ Return Loss Pulse Width 500 w 5 R aa 2 If the measurement is cancelled the top Aug Ti 2714 nee Tok 1 46000 menu of the OTDR is displayed FS Nexti 2 can set marker and measurement range 22 IM 735020 02E Making Measurements Viewing High Resolution Waveforms in Realtime eop U Section 7 4 High Resolution Measurement of the Selected Location in the user s manual Cannot be used in Simple Full Auto mode REAL TIME 1 Press REAL TIME Meas Range Change 2 Press the Meas Range Change soft key Page 2 2 of the soft key menu The waveform is acquired at the selected sampling interval up to 50 000 points around the marker displayed on the screen 3 Move the marker to the location of the waveform you want to view in detail 2007701723 09 33 TASER ON RealTine TPA Coarse y AC 4 Set a short sampling EB riene Meas Range interval to acquire the 4 40 000dB Label A lt Sanpling waveform in detail Marker Interval Cursor Operation 10cm ZEEF ine 20cm pz 50cm High Res 5cm 1m zn Check which section of the L waveform is displayed on the Meas Range overview screen Change Cursor H ly Wavelength SM 1310 nm Splice Loss ez Dist Range z km Return Loss
16. wronp Function nnn Displays the splice loss value that is calculated from the measured result of each marker 26 IM 735020 02E Making Measurements Making One Button Measurements ee U Section 9 4 Executing the Macro in the user s manual MENU 1 Press MENU One Button 2 Press the One Button soft key One button measurement requires the measurement conditions to be registered macro definition in advance For the setup procedure see section 9 1 Creating the Measurement Conditions Defining the Macro Conditions in the user s manual 0607 01 19 16 20 TPA Coarse mm AC Prone one Macro 1 r Wavelength 1310nn Macro 1 Macro 2 nacre z Press any of the Macro 1 to 3 soft keys E corresponding to the measurement conditions sa Mil macro 3 III Press the soft key to start the measurement Wavelengh 1550nm y LE The macro can be defined in OTDR mode MENUT key can choose other function IM 735020 02E 2 7 Making Measurements Measuring Multicore Fiber eop U Section 7 5 Measurering Multicore Fiber in the user s manual MENU 1 Press MENU Multicore Fiber Mean 2 Press the Multicore Fiber soft key 3 Selecting the project file New Project Previous Project or Recall Project File Multicore fiber measurement requires the project Multicore fiber measurement condition file to be set in advance F
17. 040 21 5dB 850nm 735041 GI 50 um 22 5dBQ 850nm 735041 Gl 62 5um 23dBQ1300nm 735041 GI 50 um 24dB 1300nm 735041 GI 62 5 um 40 dBQ1310 nm 735040 735041 38 dBQ1550 nm 735040 735041 5 dBm or more 1310 1550 nm 735030 LS option 735040 LS option 735041 SLS option 0 1 dB 1310 1550 nm 735041 SLS option 50 dBm to 5 dBm 1310 1550 nm PM option 0 5 dB 1310 1550 nm PM option 1 5 nm 20 dB point from the peak value of the pulse optical output 3 When applying input with A 1310 nm at 10 dBm 2 10 nm 60 dB point from the peak value of the pulse optical output 4 Pulse width 20 us distance range 200 km sampling resolution 32 m and average duration 3 minutes 5 Pulse width 3 ns return loss 45 dB or more 1 5 dB point below the peak value at unsaturated condition 6 Pulse width 10 ns return loss 45 dB or more at a point where the backscattering light level is within 0 5 dB of the steady state value 8 Pulse width 500 ns 850 nm 1 us 1300 nm average duration 3 minutes and sampling resolution 4 m 9 Pulse width 10 ns return loss 40 dB or more at a point where the backscattering light level is within 1 5 dB of the steady state value 101 65 um With background light 1550 nm 75 nm 19 dBm CW light 11 At group reflective index 1 5 12GI 62 5 125 um is measured 13 Pulse width 10 ns return loss 40 dB or more at a point where the backscattering light level is within
18. 1 23 08 46 LASER ON Average 40 TPA Coarse iy AC File Nane T 40 000dB Label ZAJE Km 4 Marker The averaged y 4 waveform Is Ea Detect events from the displayed acguired waveform Macro IE Info Average ___0 00000kn 200 mdiv SMP Z6cm 2 00000kn Continue Next Cursor a Ii o 1 2 Wavelength SM 1316 nm Splice Loss Dist Range 2 kn Return Loss Kei ted A CEZ D If the measurement is cancelled the WAA arin a top menu of the OTDR is displayed F5 Measuring continues by AVG key when Average Continue is ON 21 IM 735020 02E Making Measurements Viewing Waveforms in Realtime oop U Section 7 1 Realtime Measurement in the user s manual REAL TIME 1 Press REAL TIME The measurement starts Press REAL TIME again to stop the measurement LASER ON is indicated during the waveform acquisition You can change the measurement conditions while the measurement is in progress 2007 01 23 03 16 LASER ON RealTine TPA Coarse p AC 5dBZdiu File Nane RealTime 40 000dB Label x m Constantly updates H Y the waveform while the measurement is in progress 4 Marker Detect events from the acquired waveform leas Setuy Info 0 00000kn Sknvdiv SMP 8 m 50 00000km Next Cursor 5 31 70408kn ya
19. 11 1 31 Entering Characters Character Input Screen e 11su2122 32 Background Information on Measurements eeeeaeaara a aen anna 33 Viewing the Optical Pulse Measurement Waveform 33 Termi olody sza A OWA A AE sense dc 34 SPA ii 35 Names and Functions of Parts Names and Functions of Parts Front Panel ee U Section 1 1 Front Panel in the user s manual MENU key Moves to the main menu Rotary knob Moves the cursor or changes the setup conditions Press the knob to switch between fine and coarse cursor movement Protector Protects the AQ7270 from external shock YOKOGAWA 407270 OPTICAL TIME DOMAIN REFLECTOMETER OPTICAL INPUT SCALE key Expands reduces and moves the waveform display Soft keys Selects the functions that are assigned to the soft keys displayed at the right edge of the display Arrow keys and ENTER key Selects or sets items while setting conditions Changes the scale while displaying waveforms ETUP key Sets measurement conditions and system configuration ESC key Cancels a setup operation or closes the menu FILE key AVERAGE key Displays the file menu REAL TIME key Starts or stops the averaging Saves loads or prints the waveform Starts or stops the realtime measurement measurement 8 IM 735020 02E IM 735020 02E Names an
20. 930A YOKOGAWA part number A1190MN with two windings at the AQ7270 end see the figure below Ethernet interface connector Use LAN cables of length 30 m or less Attach a ferrite core TDK ZCAT2035 0930A YOKOGAWA part number A1190MN with two windings at the AQ7270 end see the figure below USB Cable Type A USB Cable Type B Ethernet Cable Immunity Complying standard Cable conditions EN61326 1 Table 2 For use in industrial locations Same as the cable conditions for emission Safety standards Complying standard EN61010 1 EN60825 1 Laser Safety IM 735020 02E 43 Specifications Laser Safety This instrument uses a laser light source This instrument is a Class 1M laser product as defined by IEC60825 1 Safety of Laser Products Part 1 Equipment Classification Requirements and User s Guide In addition the AQ7270 complies with 21CFR1040 10 except for the items that deviate from the standard as a result of complying with Laser Notice No 50 dated on June 24 2007 Laser Class 1M Label Laser Class 3R Label VISIBLE LASER RADIATION AVOID DIRECT EYE EXPOSURE CLASS 3R LASER PRODUCT IEC 60825 1 2007 MAX OUTPUT WAVELENGTH INVISIBLE LASER RADIATION DO NOT VIEW DIRECTY WITH OPTICAL INSTRUMENTS CLASS 1M LASER PRODUCT IEC 60825 1 2007 5mW 650 20nm L Tit FBR CEJEC LERZLE UTAM LFR L Fat BADERE BESTE 75A3R LF MODEL Class Center Wavelength Output Power 735020 1M 1550 nm CW l
21. Area oop U Section 8 1 Zooming the Display in the user s manual Press SCALE Press the Zoom soft key Press the arrow keys to expand or reduce the waveform l Expand the waveform vertically t Reduce the waveform vertically 1 2 3 Turn the rotary knob to move the cursor to the point on the waveform you want to expand 4 Expand the waveform horizontally Reduce the waveform horizontally 0 00000kn ec a n 100 00000kn 22 43886kn 500 mdiy SHP 4 in 27 49886kn Normal scale Zoom scale Moving the display area Shift 2 Press the Shift soft key 3 Turn the rotary knob to move the cursor to the point on the waveform you want to move 4 Press the arrow keys to move the waveform l Move the display area down 1 Move the display area up lt Move the display area to the left Move the display area right 30 Check the zoom position of the waveform on the overview screen The waveform display area the section enclosed in a square within the entire screen moves IM 735020 02E Printing Saving Waveforms Printing Saving Waveforms eoep U 18 5 Printing Waveforms in the user s manual Printing FILE 1 Press FILE Action 2 Press the Action soft key 3 From the item list select Print Average 00 00 LSA 2007 01 23 10 22 File Nane
22. M ITU T G 652 0 8 m max 8 m typ 32 dB 5 dBm or more LS option 50 dBm to 5 dBm PM option 0 5 dB PM option MODEL 735021 735031 Center wavelength Measuring pulse optical output Applicable fiber Event dead zone Attenuation dead zone Dynamic range min Light source optical output Light source output level stability 6 11 1650 nm 5 nm 1650nm 10 nm lt 15 dBm max excluding 735031 PN option SM ITU T G 652 0 8 m max 0 8m Typ if the suffix code is 735031 PN 12 m typ 30 dB 15 dB if the suffix code is PN 5 dBm or more 735021 LS option 735031 SLS option 0 15 dB 735031 SLS option MODEL 735022 735032 Center wavelength Applicable fiber Event dead zone Attenuation dead zone Dynamic range min Light source optical output Light source output level stability Optical power monitor input level Optical power monitor accuracy 1310 nm 25 nm 1550 nm 25 nm SM ITU T G 652 0 8 m max 7 m typ Q1310 nm 8 m typ Q1550 nm 34 dBQ1310 nm 32 dBQ1550 nm 36 dBQ1310 nm 34 dBQ1550 nm 735032 DR option 5 dBm or more 735022 LS option 735032 SLS option 0 1 dB 735032 SLS option 50 dBm to 5 dBm PM option 0 5 dB PM option 37 Specifications MODEL 735023 735033 Center wavelength Applicable fiber Event dead zone Attenuation dead zone Dynamic range min
23. The result isn t obtained if the marker position is wrong Displays the distance between markers and and the measured result of the loss loss and distance displayed in the first and second lines respectively 24 IM 735020 02E Making Measurements Measuring the Return Loss ee U Section 11 4 Measuring the Return Loss and Reflection Level in the user s manual Markers_ 1 Press the Marker soft key 2 Point Markers 2 Point Markers 4 Point Markers 1 6 Point Markers 4 istance Ref Setup tux iliary Function IM 735020 02E 2 Press the 2 Point Markers soft key 3 Turn the rotary knob to the right to display the cursor Cursor 2007 01 23 10 00 Average 00 01 TPA Fine EA AC 1dB div File Nane Po Label Peak value Start of the event J Falling edge of the event 20 mdiv SMP 20cm 0 96837kn Cursor 0 30410km Wave length SM 1310 nm Splice Loss Dist Range 2 km Return Loss Pulse Width Auto 100 ns D D 0 Attn Auto 0 00 dB 0 107 dB Avg Duration Auto 0 04004 km IOR 1 46000 2 672 dB km The result isn t obtained if the marker position is urong o Cursor Link Zi o 4 Markers Move the cursor to the start point of the event and press the soft key Move the cursor to the end of the falling edge of the event and p
24. at is 5 dBm or greater to the AQ7270 AQ7275 optical connectors PORT1 and PORT2 Doing so may damage the AQ7270 AQ7275 5 See below for operating environment limitations CAUTION This product is a Class A for industrial environments product Operation of this product in a residential area may cause radio interference in which case the user will be required to correct the interference Overdischarging If you do not use the AQ7270 AQ7275 for a long time with the battery pack loaded the battery pack may become overdischarged Please note that this can lead to reduced life of the battery pack If you do not plan to use the AQ7270 AQ7275 for longer than a week prevent overdischarging by charging the battery pack removing it from the AQ7270 AQ7275 then store it away from sunlight in a 10 30 C environment Description of Symbols The following symbols are used on this instrument Warning handle with care Refer to the user s manual or service manual This symbol appears on Recycle dangerous locations on the instrument which require special instructions for proper handling or use The same symbol appears in the corresponding place in the manual to identify those instructions Direct current H z i MH Equipment protected throughout by double insulation or reinforced insulation Directive 2002 96 EC O Standby This product complies with the WEEE EEE Directive 2002 96 EC marking requirement For detai
25. d Functions of Parts Top Panel ee U Section 1 3 Side Panel in the user s manual Printer paper feed button Internal printer Prints waveforms and event lists Ethernet connector Used for remote control Release lever Release the front cover lock Printer LAN factory option Battery storage Stores the accessory battery pack USB Type B Connects an external Connects to a PC for remote memory or printer control and reading writing to the internal memory DC power connector Connects the accessory AC adapter Measurement port Outputs an optical signal during the optical pulse test OTDR Receives an optical signal when operating as a power monitor Names and Functions of Parts Side Panel ee U Section 1 3 Side Panel in the user s manual Shoulder belt bracket Hand belt bracket Hand belt bracket e For the procedure to attach the belt see page 12 1 0 IM 735020 02E Names and Functions of Parts Display OTDR ee U Section 1 4 Display in the user s manual Waveform display IM 735020 02E Operating status display Marker Svent Analysis Soft key menu display LHM ANNY 100 00000kn Mist Range Auto 100 A
26. for which measurement is complete Check mark indicates that measured results have been saved measurement is complete 2008 08 27 11 00 NumOf Fibers 03 36 Coarse p AC Dest Folder Int Memory MPJ Mitaka Kofge Multicore Fiber Meas Neu Creates a new project Project canen Confirms the measurement wavelength Trace You can change the position of the markers and events Project info Shows the contents of the project Wavelength Selects the wavelengths to be measured 89 for multiwavelength measurement File Name 1310nm_Mitaka Kofu_0027 SOR Clears the check mark Wavelength 1 SM 1310mm k ji c A Wavelength 2 SM 1550nm S Data in this cell is deleted Wavelength 3 OFF If the cursor is moved to a core number Dist Range Auto 100 km A Pulse Width Auto 5 us with no check mark the soft key becomes Skip Measured Date 2008 08 27 059 Preview area Measurement Start REALTIMEJ IAUG Load Project FILE Shows the information for the cell at the cursor The settings used when not entering detailed settings are as follows Distance range Auto Pulse width Auto Attenuation Auto Avg Method Hi Reflection Avg Unit Duration Avg Duration Auto Event Search Auto Auto Save ON Fiber In Use Alarm ON Plug Check OFF 29 IM 735020 02E Expanding the Waveform and Moving the Display Area Expanding the Waveform and Moving the Display
27. he TM and symbols do not accompany their respective trademark names or registered trade mark names Other company and product names are trademarks or registered trademarks of their respective holders Revisions 1st Edition January 2007 2nd Edition 3rd Edition 4th Edition 5th Edition 6th Edition December 2007 December 2008 January 2009 June 2009 September 2011 IM 735020 02E Standard Accessories IM 735020 02E The standard accessories below are supplied with the instrument AQ7270 Series OTDR AC adapter Battery pack Printer roll paper Universal connector User s Manual 739870 D F R Q H P 739880 A9010ZP SC SU2005A SCC B8070TH Universal connector Shoulder belt Hand belt Power cord Power cord FC SU2005A FCC B8070CY B8070CX UL CSA St d A1068WD VDE St d A1071WD Power cord Power cord Power cord Power cord AS Std A1070WD BS St d A1069WD GB Std A1069WD EK Std A1078WD OPO 4 Included if the suffix code is PL 2 Included if the suffix code is USC 3 Included if the suffix code is UFC 4 Included if the suffix code is SB Optional Accessories The optional accessories below are available for purchase separately Name Part Number Notes Soft carrying case 739860 Soft case Emulation software 735070 Waveform analysis application Printer roll paper A9010ZP 80 mm width x 25 m roll 10 rolls per unit Battery pack spare 739880 External Large Capacity Battery 739881 A
28. insert the tabs in the tab holes 13 IM 735020 02E Preparation Connecting the Power Supply To use the AQ7270 in a safe manner read the warnings given in section 3 1 Connecting the Power Supply in the user s manual before connecting the power supply Using the AC Adapter AC adapter Turn OFF the power and Power cord then insert the connector 14 IM 735020 02E Preparation Loading the Battery Pack Put the battery pack string way in the dented section in the back Place the battery pack cover Push up the battery Pull out the battery pack cover pack cover lock Check the direction of the battery pack and load it Turning the Power ON A warning message appears when the battery level is low If you see the message charge the battery pack The battery level is displayed at the top section of the screen Battery level indicator S POWER lamp O Green Running PE Full green US Red Low battery level X CHARGE lamp Teea About half yellow Green Fast charging Analysis in progress Green blinking Fast charging i J Low red not started IM 735020 02E 1 5 Preparation Connecting the Optical Fiber Cable Clean the connector end face of the optical fiber cable under measure ment before connecting it to the AQ7270 If dust is adhered to the connector end face it may damage the optical connector of the AQ7270 If this happens the AQ7270 will not be able to
29. light propagates through the optical fiber cable a phenomenon called Rayleigh Scattering occurs due to the nonuniformity of the density or constituents of materials smaller than the wavelength unit The scattered light that is transmitted opposite to the direc tion of propagation is called backscattering light Splice loss due to fusion A splice loss occurs at the fused section mainly due to axis offset and angle offset Reflection due to connector connection Unlike the fused section a slight gap occurs in the connection section of connectors Because the group refraction index changes in this gap a reflection occurs causing a loss Fresnel reflection at the far end of the optical fiber cable Fresnel reflection occurs at the location where the optical fiber cable is broken or a location where the group refraction index chang es such as the far end of the cable glass and air when light enters the cable If the end face of the optical fiber cable is vertical ap proximately 3 4 14 7 dB of the incident light power is reflected Dynamic range Dynamic range refers to the difference between the backscattering light level at the near end and the noise RMS 1 Dead zone The locations where measurements cannot be made due to the effects of Fresnel reflection connection point of connectors etc 34 IM 735020 02E IM 735020 02E Specifications aaa EJ MODEL AQ7270 MODEL Suffix Code Description 735020 1550 nm 32 dB
30. ls on each item see the respective chapter or section in the user s manual indicated by the e e gt U mark IM 735020 02E IM 735020 02E Contents Standard AccessorieS 111111211111111112 3 Names and Functions of Parts 8 Preparation Attaching the Belt sue aaa oo enaos 12 Loading the Printer Roll Paper 1 13 Connecting the Power Supply 1 21122 14 Connecting the Optical Fiber Cable 16 Configuration of Peripheral Devices 17 Setting the Measurement Conditions Setting the Simple Mode lt lt lt w wwe memwa 18 Setting the Detail Mode lt s eseeeess 19 Making Measurements Making Measurements Automatically 20 Performing Averaging and Viewing Waveforms 21 Viewing Waveforms in Realtime 22 Viewing High Resolution Waveforms in Realtime 23 Measuring the Distance and Loss between Two POINTS sseni EIA OE RAA SALA 24 Measuring the Return Loss 1 11 25 Measuring the Splice LoSS 211112 11111 26 Making One Button Measurements 27 Measuring Multicore Fiber 28 Expanding the Waveform and Moving the Display II 30 Printing Saving WaveformS 1
31. ly PORT1 PORT2 MMF and 1650 nm wavelength are not supported 2 The 735036 outputs 1625 nm from PORT2 IM 735020 02E 17 Setting the Measurement Conditions Setting the Measurement Conditions Setting the Simple Mode oep U Section 4 1 Selecting the Test Wavelength in the user s manual In Simple Full Auto mode you can easily make measurements simply by setting the wavelength OTDR Je SETUP gt 2 Press SETUP 3 Select Simple Full ETS tuto mode 4 mode j Simie Simple gt Full Auto S Full Auto S Measurement Wizard 4 Auto Save Drive Detail Int Menory ApproxMethod Marker T E TPA Multi UL System Setup 18 gt 1 Press the OTDR soft key 4 Select the wavelength of the optical signal to be measured In Full Auto mode the measured results are automatically saved If you need to change the save conditions such as the file name and file format press FILE and enter the settings __ Simple Full Auto Wavelength SM 1310nmn 1310nm SM 1650nm j WL Pulse Width pistance nenge_ E SM 1550nn Event Search Results Auto A gt EJ lt lt Simple Full Auto gt gt All measurement conditions are automatically determined The measurement data is automatically saved into the folder in the selected drive The folder name is the created date IM 735020 02E
32. m 735028 735038 23dB 1310nm 735038 PN option 21dB 1550nm 735038 PN option 16dB 1625nm 735038 PN option 5 dBm or more 735028 LS option 735038 SLS option 0 1 dB 735038 SLS option 50 dBm to 5 dBm 1310 1550 nm PM option 0 5 dB 1310 1550 nm PM option MODEL 735029 Center wavelength Applicable fiber Event dead zone Attenuation dead zone Dynamic range min 9 11 12 6 11 12 13 850 nm 30 nm 1300 nm 30 nm GI 62 5 125 um 2 m typ 7 m typ Q850 nm 10 m typ 1300 nm 22 5 dBQ850 nm 24 dB 1300 nm 40 IM 735020 02E MODEL 735030 735040 735041 Specifications Center wavelength Applicable fiber Event dead zone Attenuation dead zone Dynamic range min Light source optical output Light source output level stability Optical power monitor input level Optical power monitor accuracy 850 nm 30 nm 1300 nm 30 nm 1310 nm 25 nm 1550 nm 25 nm SM ITU T G 652 when using the SMF port GI 50 125 um when using the MMF port 735041 GI 62 5 125 um when using the MMF port 2 m typ 850 1300 nm 0 8 m 1310 1550 nm 1 m typ 850 1300 nm 735041 7 7 m typ Q850 nm 735030 735040 6 m typ 850 nm 735041 10 m typ Q1300 nm 7 m typ Q1310 nm 8 m typ Q 1550 nm 22 5 dBQ850 nm 735030 24 dB 1300 nm 735030 34 dBQ1310 nm 735030 32 dBQ1550 nm 735030 22 5 dBQ850 nm 735040 24 dB 1300 nm 735
33. omatically saving the measured results Select the condition values using the rotary knob Default Initializes the settings or arrow keys and press ENTER to confirm e You can set the AQ7270 manually in the same way also in measurement wizard and multi wavelength modes In measurement wizard mode a screen containing an explanation of items is displayed when setting the conditions IM 735020 02E 1 9 Making Measurements Making Measurements Making Measurements Automatically oo U Section 12 1 Viewing the Measured Results in the user s manual If the setup mode was set to Simple on page 18 or if the event search was set to Auto on page 19 AVE 1 Press AVE The measurement starts The AQ7270 performs averaging and then automatically detects the return loss and splice loss The AQ7270 displays the detected events on the screen and stops the measurement If you press AVE again while waveform acquisition is in progress the measurement stops at that point 407 The progress of the averaging process is shown at the top section of the screen The measurement stops when 100 is reached LASER ON is indicated during the waveform acquisition Measurement reference point S IDisplay example waveform list Event number l An event number is displayed near an event on the waveform The events are numbered in order from the left edge Event type Indicates the type of detected event
34. or the setup procedure see section 7 5 Measuring Multicore Fiber in the user s manual 4 Press the New Project soft key 6 Press the Next soft key You can set the item below in You can specify wavelength which measures the project setting screen the fiber in the Wave Length screen Project Name p wavelength SOY Destination Drive eee Destination Folder ject Setup Wavelength 3 et es The uavetengths in one port can be selected 7 Press the Next soft key You can set the save file name in the File Setup screen Mane Type 5 Press the Next soft key nane mpe You can set the measurement start tatom nitaka katu oda number and the number of cores in the Fiber Information screen Fiber infomati 8 Press the Next soft key The Alart screen appears You can select whether to enter the detailed measurement condition For the detailed measurement condition see section 7 5 Measureing Multicore Fiber in the user s manual 28 IM 735020 02E Making Measurements Main View Screen The main view screen is where the contents of a project are listed Select the core number in the main view screen and you can perform the real time measurement or the averaged measurement As with normal OTDR mode you can continue on from real time measurement to perform averaged measurement Shows the number of cores
35. ption 0 5 dB 1310 1550 nm PM option 39 Specifications MODEL 735027 735037 Center wavelength Measuring pulse optical output Applicable fiber Event dead zone Attenuation dead zone Dynamic range min 6 11 Light source optical output Light source output level stability Optical power monitor input level Optical power monitor accuracy 1310 nm 25 nm 1550 nm 25 nm 1650 nm 5 nm 1650 nm 10 nm lt 15 dBm max 1650 nm SM ITU T G 652 0 8 m max 7 m typ Q1310 nm 8 m typ Q1550 nm 12 m typ Q 1650 nm 34 dBQ1310 nm 735027 32 dB Q1550 nm 735027 30 dBQ1650 nm 735027 40 dB 1310 nm 735037 38 dB 1550 nm 735037 30 dB Q1650 nm 735037 5 dBm or more 735027 LS option 735037 SLS option 0 1 dBQ1310 1550 nm 735037 SLS option 0 15 dB 1650 nm 735037 SLS option 50 dBm to 5 dBm Q 1310 1550 nm PM option 0 5 dB 1310 1550 nm PM option MODEL 735028 735038 Center wavelength Applicable fiber Event dead zone Attenuation dead zone Dynamic range min Light source optical output Light source output level stability Optical power monitor input level Optical power monitor accuracy 1310 nm 25 nm 1550 nm 25 nm 1625 nm 25 nm SM ITU T G 652 0 8 m max 0 8m Typ if the suffix code is 735038 PN 7 m typ Q1310 nm 8 m typ Q1550 nm 12 m typ Q 1625 nm 40 dBQ1310 nm 38 dBQ1550 nm 35 36 dB 1625 n
36. ress the soft key Set marker to the right of the waveform peak value Displays the measured result of the return loss between markers and O 25 Making Measurements Measuring the Splice Loss eep U Section 11 2 Measuring the Splice Loss in the user s manual Markers 1 Press the Marker soft key 4 Point Markers 2 Press the 4 Point Markers soft key 3 Turn the rotary knob to the right to display the cursor Cursor 2007 01 23 10 09 Average 00 01 TPA Fine yl AC File wane EMI Move the cursor to the measurement EE start point and press the O soft key 30 473dB Label 4 Move the cursor to the start point of the 2 Point A Markers splice loss and press the soft key f Wa 3 BOA point Move the cursor to the end point of the splice j Markers gt loss and press the Y2 soft key 4 6 Point L Move the cursor to the measurement end Markers 0 86561kn EZ SHP Zocn 1 36981kn point and press the soft key 4 Cursor B 1 15995km fp Qistance Dist Range 2 kn Return Loss kaman L Place O Y2 and at once Ref Setup Ath gue 0 00 an Cos m Saioa an Place marker at the cursor position Avg Duration Auto 0 16653 km 6 20308 km 4 10R 1 46000 0 275 dB km 0 435 dB km Auxiliary The result isn t obtained if the marker position is
37. rument Do not use it for other devices Use only this instrument or a charger specified by YOKOGAWA to charge the battery pack If the fast charge does not finish after three hours or more stop charging the battery pack immediately Because the electrolyte solution inside the battery pack is alkaline harm can be done to the clothes or skin if the battery pack leaks or explodes and the solution comes in contact If the electrolyte solution enters the eye it can cause blindness If this happens rinse thoroughly with water and immediately consult your eye doctor To prevent the possibility of electric shock and accidents always turn OFF the power switch and remove the AC adapter power supply from the instrument when replacing the battery pack Do not throw the battery pack into fire or apply heat to it This can cause dangerous explosions or spraying of the electrolytes Do Not Look at the Laser Light Do not look at the laser s direct ray reflected ray from a mirror or indirect ray without the proper protective eyewear In addition avoid being exposed to the laser light It can cause blindness or damage to the eye Attach the cover on unused optical connectors Do Not Operate in an Explosive Atmosphere Do not use the thermocouple in a location where any flammable or explosive gas vapor is present Operation in such an environment constitutes a safety hazard Apply Correct Signals to the Optical Connectors PORT1 and PORT2 Do not apply light th
38. t 5mWQ1550 nm PULSE lt 200 mW 1550 nm PULSE width lt 20 us 1550 nm duty cycle lt 2 5 735021 1M 1650 nm CW lt 5mWQ1650 nm PULSE lt 32 mW 1650 nm PULSE width lt 20 us 1650 nm duty cycle lt 2 5 735022 1M 1310 1550 nm CW 5 mWQ1310 1550 nm PULSE lt 200 mW 1310 1550 nm PULSE width lt 20 us 1310 1550 nm duty cycle lt 2 5 735023 1M 1310 1550 nm CW lt 5 mWQ1310 1550 nm PULSE lt 200 mW 1310 1550 nm Pulse width lt 20 us 1310 1550 nm duty cycle lt 2 5 735024 1M 1550 1625 nm CW lt 5 mW 1550 1625 nm PULSE 200 mW 1550 1625 nm Pulse width lt 20 us 1550 1625 nm duty cycle lt 2 5 44 IM 735020 02E IM 735020 02E Specifications MODEL Class Center Wavelength Output Power 735025 1M 1310 1490 1550 nm CW lt 5 mW 1310 1490 1550 nm PULSE lt 200 mW 1310 1490 1550 nm Pulse width lt 20 us 1310 1490 1550 nm duty cycle lt 2 5 735026 1M 1310 1550 1625 nm CW lt 5 mW 1310 1490 1625 nm PULSE lt 200 mW 1310 1490 1625 nm Pulse width lt 20 us 1310 1550 1625 nm duty cycle lt 2 5 735027 1M 1310 1550 1650 nm CW lt 5 mW 1310 1490 1650 nm PULSE 200 mW 1310 1550 nm PULSE lt 32 mW 1650 nm Pulse width lt 20 us 1310 1550 1650 nm duty cycle lt 2 5 735028 1M 1310 1550 1625 nm CW lt 5 mW 1310 1490 1625 nm PULSE 200 mW 1310 1490 1625 nm Pulse width lt 20 us 1310 1550 1625 nm duty cycle lt 2 5
39. ttached Connecting Cord and Battery case AC adapter spare 739870 D UL CSA standard 739870 F VDE standard 739870 R AS standard 739870 Q BS standard 739870 H GB standard Complied with CCC 739870 P EK standard Shoulder belt B8070CY Universal adapter SC SU2005A SCC SC type Universal adapter FC SU2005A FCC FC type How to Use the CD ROM User s Manuals The CD ROM contains PDF files of the following manuals e AQ7270 Series OTDR User s Manual IM 735020 01E AQ7270 Series OTDR Communication Interface User s Manual IM 735020 17E To view the above manuals you need Adobe Reader 5 0 or later WARNING Never play this CD ROM on an audio CD player Doing so may cause loss of hearing or speaker damage due to the large sounds that may be produced IM 735020 02E IM 735020 02E Precautions To use the instrument safely and effectively be sure to observe the precautions given in the user s manual Not complying might result in injury or death A WARNING Use the Correct Power Supply Before connecting the power cord ensure that the source voltage matches the rated supply voltage of the AC adapter and that it is within the maximum rated voltage of the provided power cord Use the Power Cord and AC Adapter Correctly Use only the power cord or AC adapter that comes with the instrument Do not use it for other devices Use Only the Designated Battery pack Use only the battery pack specified for the inst
40. uto 5 24 59941 km 22 539342 Overall trace display 0 334 dB km 0 410 ABA il Measurement Measurement result display condition display 11 Preparation Preparation Attaching the Belt Attaching the Hand Belt Pass the hand belt through the lower hand belt bracket on the side of the instrument Pass the hand belt through the hand belt cover Pass the hand belt through the upper hand belt bracket the second attachment section from the top on the side of the instrument Pass the hand belt through the buckle and fasten the button Attaching the Shoulder Belt Pass the belt through the buckle again so that it does not come loose Attach the shoulder belt to the shoulder belt bracket on the left and right sides of the AQ7270 There are two shoulder belt brackets at the upper section of the side of the instrument As shown in the figure securely attach the shoulder belt by passing the belt through the top belt bracket on each side of the instrument and then pass it through the buckle 1 2 IM 735020 02E Preparation Loading the Printer Roll Paper Printer paper feed button Printer cover Paper guide Tab holes Release lever Load paper inside we the paper guide Press the release lever in the Lift the cover to remove it Place the cover so that the tabs direction of the arrow and do not hit the edges slide the cover Slide the cover in the direction of the arrow and
41. wn below when saving the measured waveforms 32 Character Input Screen Move the cursor to the previous character Character edit screen eep gt U Section 18 6 Entering Characters in the user s manual Move the cursor to the next character BIBICIIEJ CLJ MEET LL Ba FIGHT LT ECLI lt CKEUI KILIMINIO GlzIEU L P QURIS T CEEL LEGHE TUURE ey a Character keys BS Input Mode OK ELL ckspace gt Confirm the entered characters IM 735020 02E Background Information on Measurements Background Information on Measurements Viewing the Optical Pulse Measurement Waveform Backscattering Connector connection Incident ray light Fused point point Bending Open end Near end reflection Approximation line Splice loss due to fusion Reflection due to connector connection Loss due to bending Open end reflection Fresnel reflection See the next page for the definitions of terminology Dynamic range SNR 1 IM 735020 02E 33 Background Information on Measurements Terminology Near end reflection A reflection occurs in the gap between the AQ7270 and the connector for the optical fiber cable Losses and reflections of the con nection points cannot be detected in the section in which this reflection is detected This section is called a dead zone Backscattering light When
42. x rated votlage 250 V R AS standard Max rated votlage 250 V Q BS standard Max rated votlage 250 V H GB standard Max rated votlage 250 V P EK standard Max rated votlage 250 V Options IPM Optical power monitor function ISLS Stability Light source function ILS Light source function NLS Visible Light source function PL Internal printer and LAN Ethernet interface DF Dummy fiber SMF SB Shoulder belt DR Dynamic range expansion 2 dB IPN PON measurement Supported by the SMF port of the 735031 735032 735033 735034 735035 735036 735037 735038 735040 and 735041 or supported by the visible light source output port of the 735031 735032 735033 735034 735035 and 735038 2 Not supported by 735021 735029 and 735031 and the MMF of 735030 735040 and 735041 3 Not supported by 735029 to 735030 and 735040 4 not supported by 735029 735032 735033 735037 and the MMF of the 735030 and 735040 5 Supported by 735031 735032 735033 735034 735035 and 735038 6 not supported by 735029 735030 735040 and 735041 7 Supported by 735032 8 Supported by 735031 735033 735036 and 735038 36 IM 735020 02E Optical Specifications MODEL 735020 Specifications Center wavelength Applicable fiber Event dead zone Attenuation dead zone Dynamic range min Light source optical output Optical power monitor input level Optical power monitor accuracy 1550 nm 25 nm S
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