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OA1 User Manual

6

M-OA1-001-01

•

If the equipment is used in a manner not specified by the manufacturer, the
protection  provided  by  the  equipment  may  be  impaired.    Only  technicians
authorized by JGR Optics Inc. should carry out repairs.  In addition to voiding
the  warranty,  opening  the  unit  (even  when  unplugged)  can  expose  you  to
potential shock hazards.

•

Som

e of the unit’s

capacitors can be charged even when the unit is not

connected to the power source.

•

Do not perform any operating or maintenance procedure that is not
described in the user manual.

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Summary of Contents for OA1

Page 1: ...OA1 Optical Attenuator User Manual ...

Page 2: ...ser Manual ii M OA1 001 01 All information contained herein is believed to be accurate and is subject to change without notice No responsibility is assumed for its use JGR Optics Inc 2020 All rights reserved ...

Page 3: ...4 Classification 4 Important Safety Information 5 Laser Hazards 5 Electrical Hazards 5 GETTING STARTED 7 Initial Inspection 7 Operational Requirements 7 Product Overview 8 OA1 Front Panel 8 OA1 Rear Panel 8 OPERATION 10 Powering Up the Attenuator 10 Setting the Wavelength 10 Setting the Attenuation 11 Setting an Offset 12 Device Information and Settings 13 OA1 WEBPAGE 14 Dashboard 14 Settings 15 N...

Page 4: ... 001 01 Note 20 Commands Lists 20 MAINTENANCE 23 Cleaning the Unit 23 Cleaning the Output 23 Cleaning Jumper Connectors 25 STORAGE AND SHIPPING 26 Returning Instruments to JGR Optics 26 Contact Information 26 SPECIFICATIONS 27 ...

Page 5: ...b 15 Figure 12 OA1 webpage Upgrade tab 16 Figure 13 OA1 webpage Help tab 17 Figure 14 OA1 webpage About tab 18 Figure 15 Dirty connector end face inspection using JGR s CS400K 24 Figure 16 Clean connector end face inspection using JGR s CS400K 24 Figure 17 Exposed view of good output fiber management 24 Figure 18 Exposed view of poor output fiber management 24 Table 1 Safety symbols 4 Table 2 Envi...

Page 6: ...ortable equipment etc with smaller transient overvoltages than Installation Category Overvoltage Category III The unit falls in the Pollution Degree 2 category under IEC 1010 1 and CAN CSA C22 2 No 1010 1 The IEC standard on Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use relates to insulation coordination The CSA standard is on Safety Requirements for Elect...

Page 7: ...ns including power level adjustment in automated test systems BER testing of transmitters and receivers and channel equalization in WDM systems The OA1 Optical Attenuator is available for single mode and multimode fibers and can be configured for various wavelength ranges and input power levels Figure 1 OA1 Optical Attenuator Applications Bit error rate BER testing Link loss simulation Key Feature...

Page 8: ...OA1 User Manual 3 M OA1 001 01 Customizable Touchscreen display USB Ethernet control Included Accessories USB A to USB B cable 1 8m Ethernet cable 1 8m AC power cord 2m ...

Page 9: ...mbols Laser radiation may be present Refer to the user manual for instructions on handling and operating the unit safely Avoid looking into any ports near which this symbol appears Frame or chassis terminal for electrical grounding within the unit Protective conductor terminal for electrical grounding to the earth WARNING Procedure can result in serious injury or loss of life if not carried out in...

Page 10: ...nly the type of power cord supplied with the unit If you need to replace a lost or damaged cord make sure to replace with a power cord of the same type Connect the power cord only to a power outlet equipped with a protective earth contact Never connect to an extension cord or any receptacle that is not equipped with this feature If using a voltage reducing autotransformer to power the unit ensure ...

Page 11: ...icians authorized by JGR Optics Inc should carry out repairs In addition to voiding the warranty opening the unit even when unplugged can expose you to potential shock hazards Some of the unit s capacitors can be charged even when the unit is not connected to the power source Do not perform any operating or maintenance procedure that is not described in the user manual ...

Page 12: ...he instrument Initial Inspection Warning To avoid electrical shock do not initialize or operate the unit if it bears any sign of damage Ensure that the unit and any devices or cords connected to it are properly grounded Inspect the package and contents for signs of damage Ensure all contents are included Read the user manual thoroughly and become familiar with all safety symbols and instructions t...

Page 13: ...Main supply voltage fluctuations must not exceed 10 of the nominal voltage Product Overview OA1 Front Panel A front view of the OA1 attenuator is show in Figure 2 The standard front panel bulkhead types are FC or SC Figure 2 Front view of the OA1 Optical Attenuator OA1 Rear Panel A rear view of the OA1 attenuator is shown in Figure 3 See Table 3 for a detailed description ...

Page 14: ...m Description 1 LAN Reset Press once reset network settings 2 Ethernet port Connection to LAN 3 USB B port Connection to PC 4 USB A ports Connections to peripherals WARNING do not connect USB powered devices such as cell phone chargers or inspection probes 5 IO switch On off toggle 6 Power input Contains user replaceable fuse 1 2 3 4 5 6 ...

Page 15: ...Toggle the power switch to the on position I Setting the Wavelength Swipe right to access the main operations of the OA1 Pressing the λ button allows for wavelength selection Figure 4 Figure 4 Front panel operation setting the wavelength The OA1 has 4 stored wavelength settings Pressing the λ button a second time will display the flyout to select the wavelength slot Figure 5 Use arrows to change w...

Page 16: ...lyout menu Setting the Attenuation Press the Att button to set the attenuation Figure 6 Figure 6 Front panel operation setting the attenuation Use arrows to change attenuation Press to set the attenuation Press to engage the beam block Press and hold to set attenuation to 0 dB ...

Page 17: ...nuation Pressing the Att button a second time Figure 7 will display the flyout to select dB or dBm mode In dBm mode with the power monitoring option the output power can be set in dBm Figure 7 Front panel operation attenuation flyout menu Setting an Offset Press the Offset button to set an attenuation offset Figure 8 Figure 8 Front panel operation setting an offset Use arrows to change offset Pres...

Page 18: ...l show as Connected If not connected to a network it will show as Disconnected Device Name Displays the PN of the unit IP If connected to a network via Ethernet it will show the IP address of the unit Use this IP address to access the OA1 webpage or connect to it via software If not connected to a network it will show as N A XN1 Location Shows the IP address and port of the last connected XN1 serv...

Page 19: ...omputer or tablet on the same network open a web browser recommended Google Chrome and enter the OA1 s IP address in the URL bar Dashboard Access the Dashboard tab to view the manufactured date part and serial numbers Figure 10 You can also download a PDF of the attenuator test report Figure 10 OA1 webpage Dashboard tab ...

Page 20: ...OA1 001 01 Settings Click on the Settings tab to expand Network Settings You can view edit or reset the network settings of the OA1 from the Settings Network Settings tab Figure 11 Figure 11 OA1 webpage Network Settings tab ...

Page 21: ...e Go to Settings Upgrade to view the version of upgrade or re install the firmware of the OA1 Figure 12 Please contact support jgroptics com before performing a firmware upgrade for additional instructions Figure 12 OA1 webpage Upgrade tab ...

Page 22: ...tab for the website technical support and sales contact forms as well as a link to the software downloads page Alternatively email support jgroptics com for technical support or info jgroptics com for sales and other inquiries Figure 13 OA1 webpage Help tab ...

Page 23: ...nual 18 M OA1 001 01 About The About tab displays the unit s firmware version model and serial number Advanced mode is reserved for JGR technicians and JGR approved service centers Figure 14 OA1 webpage About tab ...

Page 24: ...if using JGR s CommunicationsLib dll available upon request 1 Install VISA drivers on the development system 2 Connect the OA1 via its USB B port to the development system 3 Add a reference to Ivi Visa dll in your project C Program Files x86 IVI Foundation VISA Microsoft NET Framework32 v2 0 50727 VISA NET Shared Components 5 11 0 Ivi Visa dll 4 Use the IVI Visa GlobalResourceManager to find all U...

Page 25: ...esponse End Function Public Overrides Sub Write ByVal strCommand As String visa RawIO Write strCommand End Sub Write commands require termination with the linefeed character n Note The OA1 runs SCPI commands synchronously An OPC Command can be sent and a 1 will be returned when all operations have been completed Commands Lists See Table 5 and Table 6 for SCPI required and OA1 commands respectively...

Page 26: ...tenuates db on all modules that support it If any modules don t support this returns an error INput n ATTenuation Returns the current attenuation on module n INput n OFFSet Sets an attenuation offset dB on module n The offset only affects the displayed attenuation value not the actual attenuation ATTdisplay ATTactual Offset INput n WAVelength Sets the wavelength on module n INput n WAVelength Retu...

Page 27: ...greater than 0 OUTput n POW MON Returns the current internal PD reading no offsets OUTput n DARK Measures and stores the dark current on the PD The beam block will engage if necessary The command returns 1 if successful 0 if not OUTput n STATe Sets the state of the beam block 1 enabled 0 disabled The state remains through power cycles ...

Page 28: ...iring cleaning Figure 16 shows a clean connector ready to be mated 2 Loosen the front panel thumbscrews 3 Gently remove the output panel Ensure a clear line of sight to the fiber to prevent any stress on the output fiber 4 Remove the connectors from the mating sleeves 5 Clean the connectors and mating sleeves in accordance with the section Cleaning Jumper Connectors on page 25 6 Reinstall the conn...

Page 29: ... Figure 16 Clean connector end face inspection using JGR s CS400K Figure 17 Exposed view of good output fiber management Figure 18 Exposed view of poor output fiber management Note the exposed views are only for instructional purposes The OA1 chassis should not be opened during normal maintenance ...

Page 30: ...ems are required Filtered compressed air or dusting gas Lint free swabs and lint free wipes Optical grade isopropyl alcohol IPA or optical grade 200 ethanol do not use rubbing alcohol which can contain up to 30 water To clean the connectors 1 Blow the sleeve with compressed air 2 Apply the alcohol to a small area of the lint free wipe and rub the end of the ferrule over the wet area 3 Wipe the fer...

Page 31: ...ontact JGR Optics to obtain an RMA number 2 Cover the front panel with foam to prevent damage 3 Wrap the unit in anti static packaging Use anti static connector covers 4 Pack the unit in a strong enough shipping box considering the unit s weight 5 Use enough shock absorbing material 10 to 15 cm to cushion the unit and prevent it from moving inside the box Pink poly anti static foam is recommended ...

Page 32: ...OA1 User Manual 27 M OA1 001 01 10 SPECIFICATIONS Table 7 OA1 optical and electrical specifications sheet Table 8 OA1 mechanical and environmental specifications sheet ...

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