JGR OA1 User manual

OA1 Optical Attenuator

User Manual

OA1 User Manual

M-OA1-001-01

All information contained herein is believed to be accurate and is subject to change without notice. No

 OA1 User Manual 
 
 
iii 
M-OA1-001-01 
TABLE OF CONTENTS 
LIST OF FIGURES AND TABLES ................................................................................................................... v 
COMPLIANCE ..............................................................................................................1 
FDA-CDRH Compliance..............................................................................................................................1 
CSA / IEC Compliance ................................................................................................................................1 
CE Compliance...........................................................................................................................................1 
GENERAL INFORMATION ............................................................................................2 
OA1 Optical Attenuator Overview.............................................................................................................2 
Applications...............................................................................................................................................2 
Key Features..............................................................................................................................................2 
Included Accessories .................................................................................................................................3 
SAFETY INFORMATION ...............................................................................................4 
Safety Markings on the Unit......................................................................................................................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 
Network Settings........................................................................................................................................................ 15 
Upgrade...................................................................................................................................................................... 16 
Help.........................................................................................................................................................17 
About.......................................................................................................................................................18 
PROGRAMMING GUIDE.............................................................................................19 
General Information................................................................................................................................19 
Step-by-step Guide..................................................................................................................................19 

 OA1 User Manual 
 
 
iv 
M-OA1-001-01 
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 
 
 

 OA1 User Manual 
 
 
v 
M-OA1-001-01 
LIST OF FIGURES AND TABLES 
Figure 1: OA1 Optical Attenuator .................................................................................................................2 
Figure 2: Front view of the OA1 Optical Attenuator.....................................................................................8 
Figure 3: Rear view of an OA1.......................................................................................................................9 
Figure 4: Front panel operation –setting the wavelength.........................................................................10 
Figure 5: Front panel operation –wavelength flyout menu.......................................................................11 
Figure 6: Front panel operation –setting the attenuation.........................................................................11 
Figure 7: Front panel operation –attenuation flyout menu ......................................................................12 
Figure 8: Front panel operation –setting an offset....................................................................................12 
Figure 9: OA1 Setup page............................................................................................................................13 
Figure 10: OA1 webpage –Dashboard tab.................................................................................................14 
Figure 11: OA1 webpage –Network Settings tab.......................................................................................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: Environmental requirements..........................................................................................................8 
Table 3: Detailed description of the OA1 rear panel components (see Figure 3) ........................................9 
Table 4: Detailed description of the OA1 Setup page (Figure 9) ................................................................13 
Table 5: Standard SCPI required commands list.........................................................................................20 
Table 6: OA1 commands list .......................................................................................................................21 
Table 7: OA1 optical and electrical specifications sheet.............................................................................27 
Table 8: OA1 mechanical and environmental specifications sheet............................................................27 

OA1 User Manual

M-OA1-001-01

COMPLIANCE

FDA-CDRH Compliance

Under the US Food and Drug Administration (FDA) Center for Devices and Radiological Health (CDRH), the

unit complies with the Code of Federal Regulations (CFR), Title 21, Subchapter J, which pertains to laser

safety and labeling. See following link for more information:

•http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?CFRPartFrom=1000&C

FRPartTo=1050

CSA / IEC Compliance

The unit complies with certain standards of the Canadian Standards Association (CSA) and the

International Electrotechnical Commission (IEC).

The unit falls in the Installation Category (Overvoltage Category) II under IEC 664. IEC 664 relates to

impulse voltage levels and insulation coordination. The category is defined as: local level, appliances,

portable 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 Electrical Equipment

for Measurement Control, and Laboratory Use, Part I: General Requirements. The Pollution Degree 2

category is defined as follows: “Normally only non-conductive pollution occurs. Occasionally, however, a

temporary conductivity caused by condensation must be expected.”

CE Compliance

Electronic test equipment is subject to the EMC Directive in the European Union. The EN61326 standard

prescribes both emission and immunity requirements for laboratory, measurement, and control

equipment. This unit has undergone extensive testing according to the European Union Directive and

Standards.

OA1 User Manual

M-OA1-001-01

GENERAL INFORMATION

OA1 Optical Attenuator Overview

The OA1 Optical Attenuator (Figure 1) enables precise optical power control and features high accuracy

and superior repeatability. It is ideal for lab and production applications 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 Features

•100 dB dynamic range

•± 0.1 dB accuracy

•± 0.01 dB repeatability

OA1 User Manual

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)

OA1 User Manual

M-OA1-001-01

SAFETY INFORMATION

To avoid situations that could result in serious injuries or death, always observe the following precautions.

The safety instructions must be observed whenever the unit is operated, serviced, or repaired. Failure to

comply with any of these instructions or with any precaution or warning contained in the user manual is

in direct violation of the standards of design, manufacturing, and intended use of the unit. JGR Optics Inc.

assumes no liability for the customer’s failure to comply with any of these safety requirements.

Safety Markings on the Unit

See Table 1 for symbols and messages that can be marked on the unit. Observe all safety instructions that

are associated with a symbol.

Table 1: Safety symbols

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 proper

compliance with all safety instructions. Ensure that all conditions necessary for safe

handling and operation are met before proceeding.

CAUTION

Procedure can result in serious damage to or destruction of the unit if not carried out

in compliance with all instructions for proper use. Ensure that all conditions necessary

for safe handling and operation are met before proceeding.

Classification

The OA1 consists of an exposed metal chassis that is connected directly to earth via a power cord and is

therefore classified as a Class 1 instrument.

OA1 User Manual

M-OA1-001-01

Important Safety Information

Laser Hazards

Warning

•Never look directly into the end of an optical cable connected to an optical

output device that is operating. Laser radiation is invisible and direct

exposure can severely injure the human eye.

Electrical Hazards

Warning

•Some of the circuits are powered whenever the unit is connected to the AC

power source (line power). To ensure that all circuits are powered off,

disconnect the power cord from either the power inlet on the unit’s rear

panel or from the AC line-power source (receptacle). The power cord must

always be accessible from one of these points. If the unit is installed in a

cabinet, the operator must be able to disconnect the unit from the line power

by the system’s line-power switch.

•Use only 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 that

the common terminal connects to the earthed pole of the power source.

•Do not interrupt the protective earth grounding. Such action can lead to a

potential shock hazard that can result in serious personal injury. Do not

operate the unit if an interruption to the protective grounding is suspected.

•Do not operate the unit when its cover or panels have been removed.

•To prevent potentialfire or shock hazard, do not expose the unit to any source

of excessive moisture.

•Do not use the unit outdoor.

•Operating the unit in the presence of flammable gases or fumes is extremely

hazardous.

Table of contents

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