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Please direct all enquiries to your local Viavi sales company.
The addresses can be found at:

www.viavisolutions.com/en-us/contact-sales-expert

The description of additional features of the device can be found
at:

www.viavisolutions.com/en-us/products/network-test-and-
certification

Viavi and the Viavi logo are trademarks of Viavi Solutions Inc.

All other trademarks and registered trademarks are the
properties of their respective owners.

Viavi Solutions Deutschland GmbH

Arbachtalstraße 5, 72800 Eningen u. A.

Order no.: BN 3071/98.21

Edition: 2016.01

Previous Edition: 2015.03

Note:

Changes may be made to specifications, descriptions and

delivery information.

Printed in Germany

Содержание BN 2301/01

Страница 1: ...MTS T BERD 5800 COSA 4055 User Manual ...

Страница 2: ... and certification Copyright 2016 Viavi Solutions Inc All rights reserved Viavi and the Viavi logo are trademarks of Viavi Solutions Inc All other trademarks and registered trademarks are the properties of their respective owners Viavi Solutions Deutschland GmbH Arbachtalstraße 5 72800 Eningen u A Order no BN 3071 98 21 Edition 2016 01 Previous Edition 2015 03 Note Changes may be made to specifica...

Страница 3: ...e 6 General laser safety 6 Specific laser safety 7 Optical surfaces 8 Ventilation 8 Battery operation 8 Start the COSA application 9 Configuration 9 Test Auto WDM mode 9 Manual configuration 10 Acquisition parameters 11 Analysis parameters 12 Parameters of display and analysis of the results 14 Link Description 18 File Configuration 19 Acquisition 20 ...

Страница 4: ...t function 24 Multiple traces Overlay 27 Table display 29 Overview 29 Table contents 30 Table statistics 31 Channel sort 31 Table notes 32 Result colours 33 Trace Table display 34 Drift measurement 34 Reports 37 Fast Report 37 File system report 38 File management 39 Storing OSA measurements 39 Recalling OSA files 39 Recycling information 40 Viavi Environmental Management Program 40 RoHS 41 ...

Страница 5: ...the COSA 4055 module on page 4 Safety information on page 5 Configuration on page 9 Acquisition on page 20 Result display on page 21 Table display on page 29 Trace Table display on page 34 Drift measurement on page 34 File management on page 39 Recycling information on page 40 NOTE This manual is an addition to the 5800 Base Unit user manual For all questions not covered in this manual particularl...

Страница 6: ...25 nm for commissioning upgrade and trouble shooting of CWDM networks The COSA 4055 offers the functionality and speed of an optical spectrum analyzer in a handheld form at a fraction of the price of an OSA The measurement result is displayed in a graphical trace and numerical table format providing detailed information of the power level and the wavelength of CWDM channels Fig 1 Two versions of t...

Страница 7: ... COSA 4055 BN 2301 02 has two integrated SFP slots Any transceiver module connected to the SFP slot is automatically activated and emits optical radiation at the output TX The input RX of the transceiver module has no function The optical laser radiation is indicated by LEDs assigned to the SFP slots The SFP modules are hot pluggable and can be changed during operation of the COSA 4055 Safety info...

Страница 8: ...icates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury WARNING Dangerous laser radiation Always be aware of the hazard level of the device to be connected Connect all optical fibers before switching on the radiation source Switch off the las...

Страница 9: ... level of the device under test Make sure that you protect yourself and others from exposure to laser radiation Never look into optical outputs of devices or into the plug end surfaces free ends of optical fibers Always cover disconnected optical plugs or disconnected optical cable connectors with protective caps Always switch off the instrument and disconnect it from any fiber optic cables before...

Страница 10: ...ir Always fit protective caps to optical connectors that are not in use Ventilation Please refer to the user manual of the MTS 5800 Base Unit for further information Battery operation Please refer to the user manual of the MTS 5800 Base Unit for further information CAUTION Invisible laser radiation Class 1 laser products are defined as safe in normal operation under reasonably foreseeable conditio...

Страница 11: ...e Base Unit manual To configure the Base Unit in preparation for a COSA test on a fiber press the SETUP button Two configuration procedures are available Test Auto WDM mode In this case the parameters are selected automatically Manual configuration In this case you may define your own configuration Test Auto WDM mode 1 Press the Test Auto WDM softkey Following configuration will automatically be s...

Страница 12: ...tion parameters can be set manually The parameter to be modified must be selected by means of the direction keys The possible options then appear on the screen make your choice using the direction keys and Alternatively change the parameters via the touchscreen The various parameters proposed are defined below Fig 2 Test Auto WDM softkey 1 1 Fig 3 Configuration for optical spectrum measurements Th...

Страница 13: ...be a measurement with refreshment of the trace and real time display of results Single There will be one single measurement and the display of its results Statistics In this mode the number of samples concerned by statistics must be entered next parameter Drift For measuring power and wavelength over time The number of sweeps and the latency between the sweeps need to be set NOTE For Drift measure...

Страница 14: ...rcussions on the trace and entails the loss of the measurement statistics Grid The grid serves as a detection reference it must therefore be ITU CWDM or Manual The choice of grid takes priority over the choice Channel detection For example it is not possible to choose Channel detection Grid if the option selected for the grid is None or Conventional Permanent Automatic detection of the channel on ...

Страница 15: ...his press the softkey Adopt Grid in the SETUP menu Auto The threshold is determined automatically To set to Auto set threshold to 55 dBm Manual Editable from 54 9 to 10 dBm To modify values use direction keys or Edit Number NOTE Modification of the parameters Channel selection and Signal threshold will only modify the results if the WDM module present is the one that was used for the acquisition V...

Страница 16: ...rent choices and modify them if required Five possible types of grid are proposed with different corresponding values some of which are fixed or non applicable others editable The type Conventional and the option None do not give access to the parameters of the Grid sub menu the others give access to certain options as shown in the table of the figure Fig 5 Display parameters NOTE Those parameters...

Страница 17: ...DM Manual Grid name Editable Editable ITU standard G 694 2 N A First ITU channel with display in nm Editable from 1271 to 1611 nm by increments of 20 nm N A Channel spacing 20 nm N A Number of channels Editable from 1 to 19 by increments of 1 Editable from 1 to 256 Define channels Sub menu accessible to display the wavelengths of each channel name the band and name each channel NOTE The maximum re...

Страница 18: ...o set threshold to Min Composite power2 2 Maximum composite power No or threshold modifiable from 59 9 dBm to 20 dBm for No set power to Min Max channel offset1 1 Wavelength drift Selection of the alarm on the basis of the value of Delta Offset Yes No Min channel power2 2 The values are then defined in P Min Yes No Max channel power3 3 The values are then defined in P Max Yes No Channel Number Fro...

Страница 19: ...r not it is possible to enter a note for each channel see Table notes on page 32 Unit Here the units of the x axis can be selected Table Content Here the table content can be selected Manual Allows to manually enter a note for each channel in the results table No Notes function is disabled nm Wavelength in nm THz Frequency in THz Fig 7 Unit parameters Fig 8 Table Content parameters ...

Страница 20: ...Optical Spectrum Measurement Configuration 18 MTS T BERD 5800 COSA 4055 User Manual 2016 01 Link Description Define the parameters in the Link Description menu and add a comment Fig 9 Link Description parameters ...

Страница 21: ...1 Optical Spectrum Measurement Configuration MTS T BERD 5800 COSA 4055 User Manual 2016 01 19 File Configuration In the File Configuration menu the memory management is set Fig 10 File Configuration parameters ...

Страница 22: ...hical and tabular format Trace display functions By pressing the RESULTS button the results window is displayed The Trace Table key offers a choice from the following displays Trace Main display of the trace with a single line of the table at the foot of the page See Result display on page 21 Table Display of the table only See Table display on page 29 Trace Table Display of trace reduced in size ...

Страница 23: ...pend on the settings in the File settings menu Following parameters may be displayed Fiber Id Fiber Number Cable Id 5 Trace results associated with cursors A and B A B Wavelengths and power at point of trace referenced by cursors A and B A B Wavelength and power difference between cursors A and B 6 Alarm result see Alarms on page 15 7 Trace Table selection 8 Channel number 9 Trace with markers 10 ...

Страница 24: ...races must be available Channel pressing the and keys selects another channel Zoom Shift This softkey is only available if the trace is displayed Zoom pressing the arrow keys zooms the axis according to the selected cursor Shift pressing the arrow keys moves the trace Cursor A Cursor B This softkey is only available if the trace is displayed Pressing the softkey selects the cursor A B A B Trace Ta...

Страница 25: ...ing from one channel to the next both forward and backward To move the cursor on the trace 1 Press the Cursor X Cursor Y softkey to highlight the tab and to select a cursor if needed 2 Press the or key to move the cursor backward or forward If both cursors are selected both cursors will be moved in parallel To jump from one channel to the next 1 Press the Trace Channel softkey to highlight the tab...

Страница 26: ... shift the trace up or down press the or key The measurement function By setting both cursors two values can be measured Difference Power A B the difference power between the two cursor positions Total Power the total power between the two cursor positions Delta power slope and difference power between the first and the last detected channel within the area marked by the cursors To measure the Dif...

Страница 27: ...To measure the Delta Power 1 Set the cursors to the desired positions At least two detected channels must be between the cursors 2 Press the softkeys Advanced Measure A B and Delta Power A B The first and last maximum are linked by a solid line The slope in dB nm and the difference power in dB are stated below the line Fig 12 Example of Total Power measurement Fig 13 Example of Delta Power measure...

Страница 28: ...To display or modify this threshold press the SETUP key then select Signal threshold Modify the value to position it on Auto1 or fix a threshold value When set to Auto the signal threshold is calculated from the actual trace Display of a grid The display window of the trace can include a grid to facilitate verification of the position of the channels Several grids are possible see the chapter Para...

Страница 29: ... of the previously active trace is added to the display A new number is added to the trace tab line 3 Start a new measurement or open the File menu and select a trace to be loaded The selected trace is overwritten by the new one 1 New trace active trace in green 2 Trace number active trace in orange To remove a trace 1 Press the Trace softkey and use the arrow keys to select a trace 2 Press the Re...

Страница 30: ...l traces are on the the same level at the intersection with the active cursor Y Shift Each trace is shifted 5 dB from the other Y Exact The traces displayed are on the same position according to their injection level Displaying the difference of two curves A difference can be build from two curves 1 Display the two curves 2 Press the Advanced softkey select Overlay and then 2 Curves Diff The diffe...

Страница 31: ... The displayed parameters depend on the settings in the File settings menu Following parameters may be displayed Fiber Id Fiber Number Cable Id 4 Comment The comment can be entered in the Setup menu 5 Measurement settings Res Resolution Th Threshold 6 Measurement settings and results Detect Detection Grid Permanent Splitter Splitter Compensation Yes No Nb Number of channels detected available Pcom...

Страница 32: ...raduation if Channel Selection Grid and a grid is selected In the absence of statistics see Analysis parameters on page 12 the parameters given for each channel are as following Channel The number of the channel Wavelen Absolute mode the frequency or the wavelength of the selected channel in THz or in nm Relative mode the frequency or wavelength difference to the reference channel Offset Spacing T...

Страница 33: ...ill show a mixture of statistical results current min and max of wavelength or frequency and current min and max of the power levels Channel sort The channels can be classified in the table in ascending order of wavelength or descending order of frequency depending on the selected unit or level To modify this order 1 Press the Table Contents key then Sort 2 Press Wavel Sort or Level Sort Successiv...

Страница 34: ...o obtain these results in relative values with respect to a reference channel 1 Press the Table Contents softkey then Relative Absolute to select Relative 2 Move the cursor on to the channel that is to serve as the reference 3 Press the Set Ref Channel softkey The results are recalculated with respect to this channel of reference NOTE Each note is associated with a channel Consequently if the chan...

Страница 35: ...sholds are displayed in red results within the thresholds are displayed in green Additionally the icon indicates that at least one result exceeds the threshold and if all results are within the thresholds no result is in red the icon becomes See Alarms on page 15 1 Not all results are in the thresholds 2 Results within the thresholds are displayed green 3 Results outside the thresholds are display...

Страница 36: ...he COSA 4055 modules provide a Drift measurement application to perform multiple measurements and display the recorded results in a graphical format trace over the time This can be used to monitor the drift of power and wavelength of optical systems or components This is important to measure the drift of non temperature stabilized transmitter in CWDM networks Fig 18 Example of Delta Power measurem...

Страница 37: ...e Drift display will show the following screen Sweep Set to Drift Number of Sweeps Defines the number of sweeps 1 to 10 000 Wait Period Defines the time between the measurements NOTE Wait period specifies the time between start of one measurement and start of the next measurement and includes the instrument measurement time Trace In Drift mode only one trace can be displayed Thus Trace can not be ...

Страница 38: ... time information is shown in the blue field of the table Wavelen Level Description Channel Channel Number of the displayed channel Wavelen nm Wavelen nm Wavelength or Frequency of the displayed channel L Ref nm Level dBm Reference value of wavelength or power L Avg nm P Avg dBm Average value of wavelength or power L Min nm P Min dBm Minimum of wavelength or power L Max nm P Max dBm Maximum of wav...

Страница 39: ... MTS T BERD 5800 COSA 4055 User Manual 2016 01 37 Reports Fast Report Fast Report generates a report which is stored in file system To change the Fast Report parameters select the Results button Fig 20 Fast Report 1 Fig 21 Fast Report parameters 1 ...

Страница 40: ...pter 1 Optical Spectrum Measurement Reports 38 MTS T BERD 5800 COSA 4055 User Manual 2016 01 File system report To view the reports on the file system select the File button Fig 22 Report from file system ...

Страница 41: ...up with the Setup Explorer key 3 Modify the parameters you want 4 Click on Store Trace The trace is saved with the extension OSA Recalling OSA files Once an OSA file has been stored recall it using the Explorer 1 Select Explorer with the key Setup Explorer 2 Using directions keys select the directory and then the file to open 3 Click on Load 4 Click on View Tace s or Load Trace Config The selected...

Страница 42: ...siders Product design and manufacture Environmental restrictions and requirements are taken into account during planning and manufacture of Viavi products This attention ranges form the raw materials and finished components selected for use and the manufacturing processes employed through to the use of energy in the factory and right on up to the final stages in the life of a product including dis...

Страница 43: ...e Measuring systems affected by this can be recognized by the symbol on the right of a crossed out trash can and a black bar This symbol can be found either on the device or in the accompanying documents Contact your local Technical Assistance Center TAC for return and collection services available to you If you would like specific information about the Viavi Environmental Management Program pleas...

Страница 44: ...ㅵ ࡲ Ǌ ֵᙃѻϮ䚼ˈ 39 ো 䰘ᔩ Additional Information required for the Chinese Market only ᴀ䰘ᔩᣝ ĀЁ RoHSāⱘ㽕䇈ᯢњ ᄤֵᙃѻક ֱՓ ᳳ䰤ⱘᚙ ˈމ ᑊ ߎњѻકЁ ⱘ ǃ ᆇ 䋼ⱘ ᠔ 䚼ӊǄᴀ䰘ᔩ䗖 ѢѻકЏԧ ᠔ 䜡ӊǄ ѻક COSA 4055 Product Family ֱՓ ᳳ䰤 ᴀ 䆚 ѢѻકЏԧПϞˈ㸼ᯢ䆹ѻક 䜡ӊ ǃ ᆇ 䋼䆺ᚙ㾕ϟ㸼 Ǆ Ёⱘ ᄫҷ㸼 ℷᐌ ᴵӊϟ㟇ᇥ ѻક ѻ᮹ᳳПৢ ᑈ ݙ 䆹ѻક 䜡ӊ ݙ ⱘ ǃ ᆇ 䋼ϡӮবᓖ ⓣǄ䆹ᳳ䰤ϡ䗖 Ѣ䇌བ ㄝᯧ㗫કǄ ℷᐌ ᴵӊˈ䇋খ㾕ѻક ݠ Ǆ ѻક ѻ᮹ᳳ䇋খ㾕ѻકⱘॳྟ ޚ 䆕кǄ ...

Страница 45: ... O O O ݙ 䚼䜡㒓 Internal wiring X O O O O O ܝ ഫ 䕙ࡽ ഫ Optical modules Auxiliary modules X O O X O O 䞥ሲ 䳊ӊ ᠷӊ Metal case parts and fixings O O O X O O ล 䳊ӊ Plastic case parts O O O O O O ㅒ 㛊ᏺ Labels and tapes O O O O O O 䜡ӊ Accessories 㓚䗖䜡 External cables and adapters O O O O O O Ⲭܝ CD ROMS O O O O O O ᅗ䜡ӊ Other accessories O O O O O O O ҷ㸼䆹䚼ߚЁ᠔ ഛ䋼ᴤ ⱘ䆹 ǃ ᆇ 䋼䞣ԢѢ SJ T11363 2006 ⱘޚ 䰤ؐǄ X ҷ㸼䆹䚼ߚЁ᠔ ഛ䋼ᴤ ⱘ䆹 ...

Страница 46: ...Chapter 1 Optical Spectrum Measurement Recycling information 44 MTS T BERD 5800 COSA 4055 User Manual 2016 01 ...

Страница 47: ......

Страница 48: ... and descriptions in this document are subject to change without notice 2016 01 North America 1 844 468 4284 Latin America 1 954 688 5660 China 86 21 6859 5260 Germany 49 7121 86 0 User Manual MTS T BERD 5800 COSA 4055 BN 3071 98 21 2016 01 English ...

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