YOKOGAWA AQ7277 User manual

User’s
Manual AQ7277 Remote OTDR
Communication Interface
IM AQ7277-17EN
2nd Edition

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Foreward Thank you for purchasing YOKOGAWA’s AQ7277.
This Communication Interface User’s Manual describes the functions and commands
of USB and Ethernet interface. To ensure proper use of the USB/Ethernet interfaces,
please read this manual thoroughly.Keep the manual in a safe place for quick reference
whenever a question arises.
Notes
• Thecontentsofthismanualaresubjecttochangewithoutpriornoticeasaresultof
improvements in instrument’s performance and functions.
• 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 YOKOGAWArepresentative.
• Copyingorreproductionofalloranypartofthecontentsofthismanualwithout
YOKOGAWA’s permission is strictly prohibited.
Trademarks
• Microsoft,InternetExplorer,Windows,andWindowsVistaareeitherregistered
trademarks or trademarks of Microsoft Corporation in the United States and/or other
countries.
• Adobe,Acrobat,andPostScriptareeithertrademarksorregisteredtrademarksof
Adobe Systems incorporated.
• Forpurposesofthismanual,the®andTMsymbolsdonotaccompanytheir
respective registered trademark names or trademark names.
• Otherproductnamesareregisteredtrademarksortrademarksoftheirrespective
holders.
Revisions 1st Edition: March 2011
2nd Edition: October 2017
2nd Edition :October 2017 (YMI)
All Rights Reserved, Copyright © 2011, Yokogawa Test & Measurement Corporation

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How to Use this Manual
Structure of the Manual
This User’s Manual consists of the following sections:
Chapter 1 Remote Control Function Overview
Gives an overview of the various communication interfaces.
Chapter 2 Connecting the PC
Describes the functions and specifications of the USB interface and the
 EthernetInterfaceusedtocontroltheAQ7277fromaPC.
Chapter 3 Before Programming
  Describesthesyntaxusedtotransmitcommands.
Chapter 4 Remote Commands
Describes each command that is available.

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Conventions Used in This Manual
Notations Used in the Procedural Explanations
On pages that describe the operating procedures in each chapter, the following notations
areusedtodistinguishtheprocedurefromtheirexplanations.
Procedure This subsection contains the operating procedure used to carry out
the function described in the current section. The procedures are
writtenwithinexperiencedusersinmind;experiencedusersmaynot
need to carry out all the steps.
Explanation This subsection describes the setup parameters and the limitations
on the procedures.
Note
Calls attention to information that is important for proper operation of
the instrument.
Units
Symbol Description Example
k 1000 400km
K 1024 459KB (file size)

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Symbols Used in Syntax Descriptions
SymbolswhichareusedinthesyntaxdescriptionsinChapter4areshownbelow.
ThesesymbolsarereferredtoasBNFnotation(Backus-NaurForm).
Fordetailedinformation,seesection3.4,“Data.”
Symbol Description Example Example of Input
<>
Defined value SET:M<x> <x> = 1,2,3 -> SET:M2
{} One of the options LMTechnique {LSA|TPA} -> LMTechnique TPA
in {} is selected.
|   ExclusiveOR
Conventions Used in This Manual

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1
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3
4
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App
Index
Index
How to Use this Manual....................................................................................................................ii
Conventions Used in This Manual...................................................................................................iii
Chapter 1 Remote Control Function Overview
1.1 Remote Interface.............................................................................................................. 1-1
1.2 Switching between Remote and Local Modes ................................................................. 1-2
Chapter 2 Connecting the PC
2.1 Connecting via the USB................................................................................................... 2-1
2.2 Connecting via the Ethernet Interface.............................................................................. 2-2
Chapter 3 Before Programming
3.1 Messages ......................................................................................................................... 3-1
3.2 Commands ....................................................................................................................... 3-3
3.3 Response ......................................................................................................................... 3-6
3.4 Data.................................................................................................................................. 3-7
3.5 SynchronizationwiththeController.................................................................................3-11
Chapter 4 Commands
4.1 A List of Commands......................................................................................................... 4-1
4.2 Common Commands ....................................................................................................... 4-4
4.3 Device-SpecicCommands ............................................................................................. 4-6
ACQuire Group......................................................................................................... 4-6
ANALysis Group....................................................................................................... 4-9
COMMunicate Group.............................................................................................. 4-13
DISPlayGroup........................................................................................................ 4-14
FILEGroup............................................................................................................. 4-16
MENU Group.......................................................................................................... 4-16
MISC Group............................................................................................................ 4-17
NETWork Group..................................................................................................... 4-18
SETup Group.......................................................................................................... 4-19
STATus Group........................................................................................................ 4-19
WAVedataGroup .................................................................................................... 4-20
SYSTem Group....................................................................................................... 4-21
4.4 Condition Register.......................................................................................................... 4-22
4.5 Output Queue and Error Queue..................................................................................... 4-23
4.6 ErrorMessages .............................................................................................................. 4-24

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Remote Control Function Overview
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4
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Index
1.1 Remote Interface
The AQ7277 is equipped with the following remote interfaces.
USB 1.1 Interface (Type B. See Chapter 2)
ThisinterfaceisusedbyacontrollersuchasaPCtoremotelycontroltheAQ7277.
A controller is connected to this interface.
Remote commands are used to control the AQ7277.
DedicatedcommandsfortheAQ7277complyingwithSCPI(StandardCommandsfor
ProgrammableInstruments)areavailablefortheremotecommands(seechapter4).
Ethernet Interface (See Chapter 2)
ThisinterfaceisusedbyacontrollersuchasaPCtoremotelycontroltheAQ7277via
the network.
Downloading the Library and Driver
TheitemsbelowareneededonthePCtousethecommunicationfunctionsviatheUSB
interface.
• CommunicationLibrary(TMCTL)
• USBconnectiondevicedriverbetweenthePCandAQ7277(YKUSB)
TheitemsbelowareneededonthePCtousethecommunicationfunctionsviathe
Ethernet interface.
• CommunicationLibrary(TMCTL)
The library and driver above can be downloaded from the following Web page.
http://www.yokogawa.com/tm/dl_driver.htm
Chapter 1 Remote Control Function Overview

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1.2 Switching between Remote and Local Modes
When Switching from Local to Remote Mode
The AQ7277 is in local mode when it is being controlled with the remote controller for the
AQ7277 Remote OTDR. It is in remote mode when it is being controlled through the use
of communication commands.
In remote mode, the soft keys on the remote controller for the AQ7277 Remote OTDR
are disabled.
• Allkeysexceptthe"Local"keyaredisabled.
• SettingsenteredinlocalmodearepassedonevenwhentheAQ7277switchesto
remote mode.
When Switching from Remote to Local Mode
In remote mode, if you press Local on the remote controller for the AQ7277 Remote
OTDR, the AQ7277 switches to local mode.
• YouwillbeabletousetheremotecontrollerfortheAQ7277RemoteOTDR.
• SettingsenteredinremotemodeareretainedevenwhentheAQ7277switchesto
local mode.

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Connecting the PC
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Index
2.1 Connecting via the USB
YoucancontroltheAQ7277fromaPCusingtheUSBinterface.
USB Interface Functions and Specifications
Reception Function
You can specify the same settings as those specified by front panel key operations.
Receives output requests for measured and computed data, setup data, and error codes.
Transmission Function
Outputs measured and computed data.
Outputs setup data and the status byte.
Outputs error codes that have occurred.
USB Interface Specifications
Electrical and mechanical specifications: Conforms to USB Rev.1.0
Connector: Type B connector (receptacle)
Number of ports: 1
Powersupply: Self-powered
CompatiblePCsystems: PCswithstandardUSBportsrunning
 WindowsXP,WindowsVista,orWindows7.
(A separate device driver is required to
connecttoaPC.)
Connection Procedure
Connecting a USB Cable to Remotely Control the AQ7277
Connect a USB cable to the Type B connector.
PrecautionstoBeTakenWhenConnectingtheCable
• ConnecttheUSBcablebyinsertingtheconnectorfirmlyintotheUSBconnector.
• DonotconnectordisconnecttheUSBcableafterthepoweristurnedONuntilthe
AQ7277isreadyforoperation(approximately20s).
Chapter 2 Connecting the PC

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2.2 Connecting via the Ethernet Interface
YoucancontroltheAQ7277fromaPCbyconnectingtheAQ7277toaLANusingthe
Ethernet interface.
Ethernet Interface Functions and Specifications
Reception Function
You can specify the same settings as those specified by AQ7277 Remote Controller.
Receives output requests for measured and computed data, setup data, and error codes.
Transmission Function
Outputs measured and computed data.
Outputs setup data and the status byte.
Outputs error codes that have occurred.
Ethernet Interface Specifications
Number of communication ports: 1
Electricalandmechanicalspecifications: ConformstoIEEE802.3
Transmission system: Ethernet (10BASE-T/100BASE-TX)
Data rate: 10 Mbps/100 Mbps
Communicationprotocol:  TCP/IP
Connector type: RJ45 connector
Portnumberused:   10001/tcp
Note
When using the Ethernet interface, a user name and password are required when connecting
tothenetwork.Fortheproceduretoentertheusernameandpassword,seetheUser,s Manual
of AQ7277 Remote Controller