ANDO ELECTRIC AQ6140 User manual

AQ6140
Multi-Wavelength Meter
Instruction Manual
ANDO ELECTRIC CO., LTD. JAPAN
©Copyright ANDO ELECTRIC CO., LTD. JAPAN 1999
AS-62527-1 Rev. 2.0

Introduction
I
Introduction
Thank you for purchasing the AQ6140 wavelength meter. The AQ6140 has been
developed as a measuring instrument compatible for the characteristic evaluation of
WDM (wavelength divided multiplex) systems and Fabry-Perot laser multiplexing.
Always read through this manual before using the AQ6140 (hereinafter, device).
Always read through and comprehend the "Safety Precautions" given at the beginning
of this manual before using this device.
Keep this manual near the device for future reference.

This manual
II
This manual
This manual describes the handling and maintenance of the AQ6140 wavelength meter
(hereinafter, device).
・Always read the "Precautions" given before Chapter 1 before using this device.
・Read "Chapter 1 Outline" to find the features and functions of this device.
・First-time users of this device, should start from "Chapter 2 Preparing for Use".
・The basic functions are described in "Chapter 3 Explanation of Basic Functions".
・The menu configuration of this device is described in "Chapter 4 Menu
Configuration".
・Operation examples for using this device are given in "Chapter 5 Operation Methods".
・Remote operation of this device is described in "Chapter 6 Remote Functions".
・Periodic inspection of this device is indispensable for maintaining the correct
operation of this device. The periodic maintenance items and procedures, etc., are
described in "Chapter 7 Maintenance".

Guarantee
III
Guarantee
・The gratuitous guarantee term is for one year after the date of purchase.
・Any accidents that occur during the guarantee term shall be repaired free of charge
according to Ando Electric's assurance policy.
・Even during the guarantee term, Ando Electric shall not be liable for any accidents
caused by incorrect operations or modifications made by the user, and for any
accidents or damages caused by force de majeure.
・A Seal of Passing is enclosed with Ando Electric products to assure the product
quality.
・Ando Electric products have been shipped after strict inspections based on Ando
Electric's quality assurance system. However, if any accidents occur due to the
manufacturing, or if any accidents occur due to the transportation, please contact the
Service Department, Headquarter Main Sales Department, or your nearest branch or
office.
The Ando Electric Service Department and Headquarter Sales Department, and the list
of branches and offices is given at the end of this manual.

Precautions regarding backup battery
IV
Precautions regarding backup battery
・A lithium battery is used for this device's calendar and clock backup circuit.
・Even when this device is used correctly, the file time control may not be possible if the
battery is consumed. Replace the battery after approx. seven years of use.
・The battery must be replaced by Ando Electric, so please contact Ando Electric
(headquarters, branch, sales office).

Precautions for Safety and Handling
V
Precautions for Safety and Handling
○ Always read this "Instruction Manual" and the "Precautions for Safety and Handling"
before starting to ensure correct usage.
○ After reading, store this manual where it can be referred to easily.
Items to be observed to ensure correct and safe usage of this product, and to prevent injury to the
operator or people in the area, and to prevent property damage are explained with the following
illustrations. The displays and meanings are as follow.
Read the contents thoroughly before starting use.
◎The types of matters that must be observed are identified with the following
illustrations and explained.
This illustration indicates "Notice" matters that must be
observed (including warnings and danger).
(The actual precautions are indicated in the triangle.)
This illustration indicates "Mandatory" matters that must be
implemented.
(The actual mandatory matter symbol is indicated in the●.)
This illustration indicates "Prohibited" items that must not be
carried out.

Precautions for Safety and Handling
VI
Example of illustration
Warning
Indicates matters that could cause fatal accidents or severe injury if ignored
and handling is mistaken.
Caution
Indicates matters that could cause severe injury or physical damage if
ignored and handling is mistaken.
Indicates matters that could lead to smoke or fire if handling is
mistaken.
Indicates matters that could lead to electric shock if handling is
mistaken.
Indicates matters that could lead to injury if handling is
mistaken.
Indicates to always disconnect the power cable from the plug
for safety purposes.
Indicates unspecified general operator actions.

Precautions for Safety and Handling
VII
Precautions related to Working Environment and Conditions
Limitations to working environment
Make sure that water does not enter or contact this device.
→Failure to observe this could lead to fires, electric shocks or
accidents.
Always connect the grounding when using in highly humid
areas.
Limitations to working conditions
Do not use a voltage other than the indicated power voltage.
→Failure to observe this could lead to fires, electric shocks or
accidents.
When connecting with a commercial power supply, directly
connect to a dedicated socket.
→Do not use an extension cord as there is a risk of heating
and fires.
Precautions related to installation
Precautions for persons carrying out installation
When installing on a product with casters (dolly, etc.), always
lock the casters.
→Failure to observe this could lead to injuries if product moves
or tilts over.
Do not use branched wiring when connecting the power
supply.
→Failure to observe this could lead to the cables heating and
a fire starting.
Securely insert the power plug into the socket.
→Contact of metals, etc., against the power plug could lead to
fire or electric shock.

Precautions for Safety and Handling
VIII
Limitations and prohibited matters related to installation environment and conditions
Do not install the device in areas with high levels of humidity or
dust.
→Failure to observe this could lead to electric shock or trouble.
Do not place the device on an unstable place such as an
unstable table or inclined surface.
→Failure to observe this could lead to injuries if the product
drops or tilts over.
Do not install the device in places with high levels of vibration
or impact.
→Failure to observe this could lead to injuries if the product
drops or tilts over.
Do not insert or drop metal rods into the device from the
openings.
→Failure to observe this could lead to fires, electric shocks or
accidents.
Do not place the power cord near heating appliances.
Failure to observe this could lead to the cord sheath tearing,
fires and electric shocks.
Always hold the plug when disconnecting the power plug.
→Pulling on the power cord could damage the cord and lead
to fires and electric shocks.
Do not connect/disconnect the power plug with wet hands.
→Failure to observe this could lead to electric shocks.
Do not place the device in areas with high temperatures, such
as in direct sunlight, or an automobile subject to direct sunlight.
→Failure to observe this could cause the internal temperature
to rise and trouble to occur.
Prohibited matters related to installation methods
Before moving the device, always disconnect the power plug
from the socket, and confirm that the external connection wires
have been disconnected.
→Failure to observe this could lead to cord damage, fires and
electric shocks.
Do not scratch, damage or treat the power cord.
→Placing heavy items on the cord, heating the cord or pulling
on the cord could damage the cord and lead to fires and
electric shocks.
Do not block this device's ventilation holes.
→Blocking the ventilation holes could cause heat to build up
inside and lead to fires.

Precautions for Safety and Handling
IX
Precautions related to handling
Follow the procedures given in the instruction manual when handling this device.
If there are warning marks ("Warning", "Caution"), always follow the instructions
given in the instruction manual.
Do not place a container containing fluids or small metallic
items on or near this device.
→If the fluids spill or the items enter the device, fires, electric
shocks or trouble could occur.
Do not treat, excessively bend, twist or pull on the power cord.
→Failure to observe this could lead to fires or electric shocks.
Do not disassemble or modify this device.
→Failure to observe this could lead to fires, electric shocks or
trouble.
When not using this device for a long time, disconnect the
power plug from the socket for safety purposes.
→Failure to observe this could lead to fires, electric shocks or
trouble caused by lightning.
When closing the openings, take care not to pinch or injure
fingers.
Do not use this device at 0℃or less.
→The display operation cannot be guaranteed.
Always turn the power OFF before connecting/disconnecting
the connectors to and from this device.
→Failure to observe this could lead to fires, electric shocks or
trouble.
Precautions related to maintenance and inspection
Periodically service and inspect the device.
Consult your nearest Sales Office, listed at the back of this manual, if you have any
questions.
If dust accumulates inside this device and is not cleaned out,
fires or trouble could occur.

Precautions for Safety and Handling
X
Remedies for in case of trouble
Contact Ando Electric to have the power cable replaced if
damaged.
→Use in the damaged state could lead to fires or electric
shocks.
If foreign matter enters the device, first turn OFF the power
switch and disconnect the power plug from the socket. Then
contact Ando Electric.
→Use in this state could lead to fires or electric shocks.
Using the device in an abnormal state, such as when smoke is
apparent or there is a strange odor, could lead to fires, electric
shock or trouble. If an abnormal state occurs, turn the power
switch OFF immediately, and always disconnect the power
plug from the socket. Confirm that the smoke has stopped, and
then contact Ando Electric for repairs.
The user must not carry out the repairs as a hazardous state
could be created.
If the device has been dropped or is damaged, turn OFF the
power switch and disconnect the power plug from the socket.
Then contact Ando Electric.
→Use in this state could lead to fires or electric shocks.
The user must not carry out repairs even if the device is faulty.
→Failure to observe this could lead to electric shocks or
injuries. Unauthorized repairs are not covered by the
guarantee.。
If the fan motor has heated up due to an increase in the
temperature, turn OFF the power switch and disconnect the
power plug from the socket. Then contact Ando Electric.
→Use in this state could lead to fires or electric shocks.
Precautions for disposal
Do not dispose of this product by incinerating it.
→Failure to observe this could lead to explosions, fires and
burns.
The TFT color LCD panel of AQ6140 contains cold cathode
fluorescent lamps.
Please follow local ordinances or regulations for its disposal.

Precautions for Safety and Handling
XI
Safety of laser
The AQ6140 does not have an output laser aperture.
However, light less than 1nW escapes out of the mainframe.
A harmful radiation is not discharged into the human body by
the AQ6140.
LaserClass：AQ6140 contains the laser of FDA LASER CLASS Ⅰ(IEC Laser Class 1).

Contents
XII
Contents
Chapter１ Outline................................................1-1
1.1 Outline of device.............................................................1-2
1.2 Specifications.................................................................1-3
1.3 Configuration..................................................................1-4
Chapter2 Preparing for Use................................2-1
2.1 Unpacking and acceptance inspection ...........................2-2
Mechanical inspection ......................................................2-2
2.2 When damage or abnormality is found...........................2-3
2.3 Preparation and general precautions..............................2-4
2.4 Safety measures for power system ................................2-5
Power cord polarity...........................................................2-5
Protective grounding ........................................................2-6
2.5 Precautions for storage..................................................2-7
Precautions before storage...............................................2-7
Recommended storage places...........................................2-7
2.6 Repacking and transportation.........................................2-8
Repacking..........................................................................2-8
Transportation ..................................................................2-8
Chapter3 Explanation of Functions...................3-1
3.1 Names and functions of panels ......................................3-2
3.2 Turning the power ON and OFF.....................................3-4
Preparing to turn the power ON......................................3-4
Turning the power ON......................................................3-5
Turning the power OFF....................................................3-5
3.3 Explanation of screen displays.......................................3-6
3.4 Basic operations.............................................................3-8
Chapter4 Menu Configuration ............................4-1
4.1 SWEEP..........................................................................4-3
4.2 CENTER........................................................................4-9
4.3 SPAN...........................................................................4-11
4.4 LEVEL..........................................................................4-13
4.5 MARKER......................................................................4-17

Precautions for Safety and Handling
XIII
4.6 PEAK SEARCH........................................................... 4-20
4.7 ANALYSIS................................................................... 4-23
4.8 DISPLAY..................................................................... 4-26
4.9 MEMORY .................................................................... 4-37
4.10 FILE........................................................................... 4-41
4.11 SYSTEM.................................................................... 4-57
Chapter5 Operation Methods.............................5-1
5.1 Measurement................................................................. 5-2
Measurement..........................................................5-2
Calibration..............................................................5-4
Definition of standard air ......................................5-5
5.2 Measurement range....................................................... 5-7
5.3 Unit ............................................................................. 5-10
5.4 Peak search................................................................. 5-12
Peak search.....................................................................5-12
5.5 Screen display............................................................. 5-15
Displaying relatively............................................5-16
Sorting the table...................................................5-17
5.6 Drift.............................................................................. 5-19
Drift measurement.........................................................5-19
Drift display....................................................................5-21
5.7 S/N ratio ...................................................................... 5-25
S/N ratio measurement..................................................5-25
S/N ratio measurement with automatic interpolation.5-25
S/N ratio measurement with user input wavelength...5-25
S/N ratio measurement with user input noise level.....5-25
S/N ratio measurement with average ...........................5-25
5.8 Recalling and saving the results .................................. 5-27
5.9 Printing the results....................................................... 5-32
5.10 Remote...................................................................... 5-33
5.11 Analysis..................................................................... 5-35
Fabry-Perot Analysis......................................................5-37
GRID analysis function..................................................5-39
5.12 Others........................................................................ 5-57

Contents
XIV
Chapter6 Remote Function ................................6-1
6.1 Remote measurement using GP-IB................................6-2
Connecting the GP-IB connector .....................................6-2
Setting the GP-IB address ...............................................6-2
Interface functions............................................................6-3
Remote/local function .......................................................6-3
Remote commands............................................................6-4
Status data configuration ................................................6-8
Command reference........................................................6-11
6.2 Remote measurement using RS-232-C........................6-36
Connecting the RS-232-C connector..............................6-36
Setting the interface.......................................................6-36
Status data structure .....................................................6-37
Remote command............................................................6-37
Chapter7 Maintenance and inspection...............7-1
7.1 Mechanical inspections ..................................................7-2
7.2 Cleaning the device........................................................7-3
Device ................................................................................7-3
Floppy disk drive ..............................................................7-3
7.3 Optical connector and optical adaptor ............................7-4
Cleaning the optical connector.........................................7-4
Cleaning the optical adaptor............................................7-5
Replacing the optical adaptor..........................................7-5
Error Messages................................................... E-1

Chapter1 Outline
1-1
Chapter1
Outline
The outline of this device is described in this section.
1.1 Outline of device ...................................................1-2
1.2 Specifications........................................................1-3
1.3 Configuration.........................................................1-4

Chapter1 Outline
1-2
1.1 Outline of device
The device has been developed as a measuring instrument compatible for the characteristic
evaluation of WDM (wavelength divided multiplex) systems and Fabry-Perot laser multiplexing.
The wavelength measurement range is 1270 to 1650nm, and up to 256 laser beams can be
measured simultaneously.
The GP-IB and RS-232-C interfaces are provided as a standard allowing remote control.

Chapter1 Outline
1-3
1.2 Specifications
Applicable fiber SM
Optical connector FC
Wavelength range1) 1270 to 1650nm (182 to 236THz)
Wavelength accuracy ±2ppm (1550nm,1310nm;±0.003nm)
Minimum resolvable separation 10GHz or less (1550nm;80pm,equal powerline input)
Power accuracy ±0.5dB(1310/1550 ±30nm,typ.)
Level linearity 1270 to 1600nm;±0.3dB (input –30dBm or more)
Polarization depending loss 1270 to 1600nm;±0.5dB
1600 to 1650nm;±1.0dB
Maximum number of line input 256
Minimum input level 1270 to 1600nm; -40dBm ( 1 line input)
1600 to 1650nm; -30dBm ( 1 line input)
Maximum input level +10dBm (total of all lines)
Safe max. input level +18dBm (total of all lines)
Return loss 35dB(PC)
Dynamic range 35dB or more ( noise band width: 0.1nm.input:-25dBm or more.
spacing ≧100GHz
Measurement time2) 1.5 sec (typ.)
Display 6.5-inch color LCD (640×480 dots)
Interfaces GP-IB,RS-232C,VGA,printer port(centronics),FDD
Power requirements AC 100 to 120V/200 to 240V(Automatic selection),
50/60Hz(47 to 63Hz).150VA
Environmental conditions Operation Temperature: 5 to 40℃, storage tenperature: -20 to +60℃,
humidity: 80% RH or less (at 40℃)
Dimensions and mass Approx. 425(W)×132.5(H)×450(D)mm. approx. 14kg
Accessories Power cord:1, insutruction manual:1
1) 30 minutes after warming up. For lines that are separated by less than 30GHz, wavelength accuracy is
reduced.
2) in REPEAT measurement

Chapter1 Outline
1-4
1.3 Configuration
As a standard, this device is configured of the main body and the accessories shown in the
standard accessories list
Standard accessories list
Part name Qty. Remarks
Power cord 1 pc. Approx. 3m
Instruction manual 1 copy

Chapter2 Preparing for Use
2-1
Chapter2
Preparing for Use
The methods for unpacking and repacking the device,
carrying out the acceptance inspection, and the general
precautions are given in this chapter. Always read this
chapter before starting to ensure correct use.
2.1 Unpacking and acceptance inspection....................2-2
2.2 When damage or abnormality is found ...................2-3
2.3 Preparation and general precautions......................2-4
2.4 Safety measures for power system.........................2-5
2.5 Precautions for storage...........................................2-7
2.6 Repacking and transportation.................................2-8