EXFO XTA-50 User Manual
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EXFO XTA-50 User Manual

EXFO XTA-50 User Manual

Optical tunable filter
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User Guide
XTA-50
Optical Tunable Filter
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Summary of Contents for EXFO XTA-50

  • Page 1 User Guide XTA-50 Optical Tunable Filter www.EXFO.com...

  • Page 2: Copyright Information

    Information provided by EXFO is believed to be accurate and reliable. However, no responsibility is assumed by EXFO for its use nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent rights of EXFO.

  • Page 3: Table Of Contents

    Connecting the XTA-50 to a Power Source ......................16 Connecting a Mouse and Keyboard to the XTA-50 ....................17 Connecting Optical Devices to the XTA-50 ......................17 Turning on the XTA-50 and Accessing the Operating Modes ................18 Setting the Screen Brightness ..........................20 Connecting an External Screen to the XTA-50 .......................21 Turning off the XTA-50 ............................22...
  • Page 4 Gray Market and Gray Market Products ......................63 Liability ................................64 Exclusions ................................64 Certification ...............................64 Service and Repairs ............................65 EXFO Service Centers Worldwide ........................66 A Command Reference ......................67 General System Information ..........................68 Wavelength/Frequency and FWHM Control .......................69 Remote Mode Control ............................76...

  • Page 5: Regulatory Information

    USA Electromagnetic Interference Regulatory Statement Electronic test and measurement equipment is exempt from FCC part 15, subpart B compliance in the United States of America. However, EXFO Inc. makes reasonable efforts to ensure compliance to the applicable standards. The limits set by these standards are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 6 EU and UK Declaration of Conformity The full text of the declaration of conformity is available at the following Internet address: www.exfo.com/en/resources/legal-documentation. EU Economic Operator EXFO Solutions SAS 2, rue Jacqueline Auriol, Saint-Jacques-de-la-Lande, 35091 Rennes Cedex 9 FRANCE...

  • Page 7: Introducing The Xta-50

    DWDM applications. When an optical signal is detected at the XTA-50 input port, the input wave is directed towards the output port after passing through the XTA-50 monochromator, which is tuned at the center wavelength via the XTA-50 software.
  • Page 8 Introducing the XTA-50 Technical Specifications Specifications apply for wavelengths not equal to any water absorption line. With "Backlash Suppression" setting enabled. Between -3 and -40 dB for FWHM <800 pm. Between -3 and -40 dB. Typically 550 dB/nm @ FWHM=50 pm, 450 dB/nm @ FWHM=1 nm, 225 dB/nm @ FWHM=5 nm.

  • Page 9: Xta-50 Overview

    Retractable Leg Touch Screen The touch screen enables you to perform all possible operations on the XTA-50. To select a parameter, command or function on the screen, touch the corresponding command with the tip of your finger or a touch screen stylus device.
  • Page 10 XTA-50 and Accessing the Operating Modes on page 18). Retractable Legs The retractable legs enable you to tilt the XTA-50 upward for convenient purpose, so that it stands on both front legs and the rear feet (see Unpacking and Installing the XTA-50 on page 15).
  • Page 11 XTA-50. Power Input The XTA-50 is equipped with a self regulating power supply. The fuse holder contains two fuses to protect the XTA-50 from overcurrent (see Technical Specifications on page 1 for fuse type). USB Ports USB-A ports enable you to connect a USB keyboard and a USB mouse.
  • Page 12 XTA-50 Overview You can configure this port manually or automatically through a remote DHCP server. For more information, see Remotely Controlling the XTA-50 via USB-B on page 39. External Screen Connectors You can connect two external screens to the following ports:...
  • Page 13 See Regulatory Information on page v. CE marking. See Regulatory Information on page v. Windows license label The XTA-50 embeds Windows 10. Warranty seal. The XTA-50 cover must not be open, otherwise the warranty is not valid anymore. Optical Tunable Filter...

  • Page 14: Conventions

    Introducing the XTA-50 Conventions Conventions Before using the product described in this guide, you should understand the following conventions: ARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Do not proceed unless you understand and meet the required conditions.

  • Page 15: Safety Information

    If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. ARNING Use only accessories designed for your unit and approved by EXFO. For a complete list of accessories available for your unit, refer to its technical specifications or contact EXFO.

  • Page 16: Other Safety Symbols On Your Unit

    Direct current Alternating current The unit is equipped with an earth (ground) terminal. The unit is equipped with a protective conductor terminal. The unit is equipped with a frame or chassis terminal. On (Power) Off (Power) On/off (Power) Fuse XTA-50...

  • Page 17: Electrical Safety Information

    Safety Information Electrical Safety Information Electrical Safety Information This unit uses an international safety standard three-wire power cable. This cable serves as a ground when connected to an appropriate AC power outlet. ARNING If you need to ensure that the unit is completely turned off, disconnect the power cable.
  • Page 18 Unless otherwise specified, all interfaces are intended for connection to Safety Extra Low Voltage (SELV) circuits only. Capacitors inside the unit may be charged even if the unit has been disconnected from its electrical supply. AUTION Position the unit so that the air can circulate freely around it. XTA-50...
  • Page 19 Safety Information Electrical Safety Information Equipment Ratings Temperature Operation +15 °C to +35 °C (+59 °F to +95 °F) Storage -20 °C to +60 °C(-4 °F to 140 °F) Performance guaranteed temperature 21°± 3°C after 30 minutes warm-up Relative humidity 80 % for temperatures up to 31°C decreasing linearly to 50 % relative humidity at 40°C Maximum operation altitude...

  • Page 21: Getting Started With Your Xta-50

    2. Pull out the XTA-50 vertically from its packaging and keep it horizontal. 3. Set he XTA-50 on a flat stable surface free of excessive vibration and make sure you can easily reach the rear of the instrument to remove the power supply cord if necessary.

  • Page 22: Connecting The Xta-50 To A Power Source

    Getting Started with Your XTA-50 Connecting the XTA-50 to a Power Source 6. To tilt the XTA-50 upward (bench-top use only), deploy the two retractable legs located below it, as illustrated in the following figure. Connecting the XTA-50 to a Power Source The XTA-50 has a chassis connected to ground via the power supply cord.

  • Page 23: Connecting A Mouse And Keyboard To The Xta-50

    Connecting a Mouse and Keyboard to the XTA-50 To operate the XTA-50 GUI, you can use the touchscreen or connect a USB mouse and keyboard to the USB-A ports located on the rear panel of the XTA-50 (see XTA-50 Overview on page 3).

  • Page 24: Turning On The Xta-50 And Accessing The Operating Modes

    1. Make sure the XTA-50 is properly installed: see Unpacking and Installing the XTA-50 on page 15. 2. Do one of the following: If the XTA-50 is turned off: on the XTA-50 front panel, press the on button (see Front Panel on page 3). The button lights up and the initialization procedure starts.
  • Page 25 Getting Started with Your XTA-50 Turning on the XTA-50 and Accessing the Operating Modes Button Description Corresponding section Enables you to manually set the Manually Entering the wavelength/frequency and FWHM values. Wavelength/Frequency and FWHM Values on page 24. Enables you to select and use an ITU grid to...

  • Page 26: Setting The Screen Brightness

    You can control the screen brightness from the Settings window, as explained in the following procedure. If you have connected an external screen to the XTA-50 (see Controlling the XTA-50 Graphical Interface from an External Screen on page 44), this function is not applicable.

  • Page 27: Connecting An External Screen To The Xta-50

    2. Do one of the following, depending on the type of screen you have connected: If you have connected a touchscreen, connect the USB-B port of your touchscreen to one of the USB-A ports of the XTA-50 to control the graphical interface by using touch screen gestures.

  • Page 28: Turning Off The Xta-50

    The following procedure explains how to properly turn off the XTA-50. AUTION Never turn the XTA-50 off by directly setting the power switch to O or using the On switch located on the front panel To turn the XTA-50 off: 1.

  • Page 29: Setting The Wavelength/Frequency And Fwhm Values

    Setting the Wavelength/Frequency and FWHM Values To define the center wavelength or frequency, you can manually enter a value or use a predefined ITU grid, as explained in the following sections. FWHM Constrain on Central Wavelength: As shown in the following, the minimum (and maximum) central wavelength reachable value is constrained by FWHM.

  • Page 30: Manually Entering The Wavelength/Frequency And Fwhm Values

    Touch one wavelength/frequency digit and using the virtual keypad appearing on screen, enter the wanted value for the digit. The graph display the selected wavelength/frequency value. The available wavelength values are detailed in Technical Specifications on page 1. XTA-50...
  • Page 31 Setting the Wavelength/Frequency and FWHM Values Manually Entering the Wavelength/Frequency and FWHM Values To set the FWHM: MPORTANT FWHM can be constrained by wavelength/frequency value (see FWHM Constrain on Central Wavelength: on page 23 for reverse principle). 1. In the FWHM area, touch the gauge. The virtual keypad appearing on screen is initialized with the value corresponding to the point you have touched on the gauge.

  • Page 32: Selecting A Channel By Using An Itu Grid

    Using a Predefined Grid to Select a Channel The ITU Grid function enables you to use a predefined ITU grid to quickly select a channel. This function is not available for O-band models of the XTA-50. To select a channel in the predefined ITU grid: 1.
  • Page 33 Setting the Wavelength/Frequency and FWHM Values Selecting a Channel by Using an ITU Grid 4. Specify the wanted spectral unit by touching the button. In wavelength mode: FWHM unit is pm (picometer). Wavelength unit is nm (nanometer). In frequency mode: FWHM unit is GHz (gigahertz).
  • Page 34 To display and use your custom grid: 1. Touch the Grid button to display the created grid. The grid window appears: channels are organized in tables. Each tab corresponds to a table and the name of the tab is the first value of its table. XTA-50...
  • Page 35 Setting the Wavelength/Frequency and FWHM Values Selecting a Channel by Using an ITU Grid 2. Specify the wanted spectral unit by touching the button. In wavelength mode: FWHM unit is pm (picometer). Wavelength unit is nm (nanometer). In frequency mode: FWHM unit is GHz (gigahertz).

  • Page 36: Defining And Running A Sequence Of Wavelength/Frequency And Fwhm Values

    Defining and Running a Sequence of Wavelength/Frequency and FWHM Values The Sequence Editor function enables you to create a list of wavelength and FWHM values that the XTA-50 will be able to execute without supervision. An instruction is composed of: a wavelength/frequency value FWHM duration of the instruction execution.
  • Page 37 Delay: period of time between instruction execution (in seconds). Possible value: 0.1 to 100 seconds. Running a Sequence The XTA-50 provides two ways to execute a sequence: Executing a single run of the listed instructions Executing the listed instructions continuously.
  • Page 38 1. In the Sequence Editor window, touch the button. The Running Loop Sequence window appears and the sequence is automatically started. 2. To stop the sequence execution touch the button. 3. To go back to the Sequence Editor page, touch the button again. XTA-50...
  • Page 39 Defining and Running a Sequence of Wavelength/Frequency and FWHM Values Saving a Sequence You can save the sequence you have just created on the XTA-50 internal disk, as explained in the following procedure. You cannot save sequences on an external device.
  • Page 40 The Load Sequence window appears, displaying the previously saved sequences. The default sequence name is YY.MM.DD_HH.MM 2. To delete a previously saved sequence, select the sequence name in the Sequence files list and touch the button. 3. Load the selected sequence by touching the button. XTA-50...

  • Page 41: Enabling/Disabling The Backlash Suppression Mechanism

    Enabling/Disabling the Backlash Suppression Mechanism When you change the wavelength/frequency or FWHM value, the XTA-50 automatically operates the backlash suppression mechanism to eliminate the effect of mechanical backlash on the tuning wavelength actuator: it moves 5 nm lower than the wanted wavelength/frequency before going to the requested wavelength/frequency.

  • Page 43: Remotely Controlling The Xta-50

    To install or update the XTA-50 Remote program: 1. From the XTA-50 USB key or the EXFO website, copy the Remote Client x.x.x folder to a local directory on your computer.

  • Page 44: Switching Between Remote And Local Mode

    Switching Between Remote and Local Mode Switching Between Remote and Local Mode You can use the remote mode after initialization of the XTA-50 and after validation of the presentation page appearing at device start-up. If a sequence is running, wavelength, frequency and FWHM remote assignment are disabled.

  • Page 45: Remotely Controlling The Xta-50 Via Usb-B

    6. Follow the instructions displayed in the wizard window. The XTA-50 USB Driver is now installed on your computer. 7. Connect the USB B port of the XTA-50 (see Rear Panel on page 5) to the USB-A port of your computer using a USB-B/USB-A cable.
  • Page 46 2. Make sure you the XTA-50 USB Driver is installed on you computer (see Installing the USB Driver on page 39). 3. Connect the USB B port of the XTA-50 (see Rear Panel on page 5) to your computer with a USB-A to USB-B cable.
  • Page 47 2. Make sure you the XTA-50 USB Driver is installed on you computer (see Installing the USB Driver on page 39). 3. Connect the USB B port of the XTA-50 (see Rear Panel on page 5) to your computer with a USB-A to USB-B cable.

  • Page 48: Remotely Controlling The Xta-50 Via Ethernet

    Remotely Controlling the XTA-50 Remotely Controlling the XTA-50 via Ethernet Remotely Controlling the XTA-50 via Ethernet The Ethernet port enables you to connect the XTA-50 to a computer or to a network to control it with remote commands. Setting the XTA-50 Ethernet Ports To connect the XTA-50 to a computer or network via the Ethernet port, use the Settings window to configure the IP address as explained in the following procedure.
  • Page 49 Gateway: default gateway used by your company network. Default value: 192.168.0.1 If the XTA-50 is connected to a network and/or if you don't know which configuration to use, contact your network administrator. 7. Touch the Apply button. The new IP configuration can take a few minutes to be operational.
  • Page 50 <XTA-50 USB key>\LabVIEW vx.xx\src\Ethernet: this directory contains all the .vi files related to Ethernet control. 2. Connect the LAN 1 or LAN 2 port of the XTA-50 (see Rear Panel on page 5) to a computer or network with an RJ45 cable.
  • Page 51 6. Fill-in the IP and Port fields according to the Ethernet configuration you set (see Setting the XTA-50 Ethernet Ports on page 42): IP: type the IP address displayed in the Settings screen of the XTA-50, in the Current Address field corresponding to the connected port.

  • Page 52: Command/Answer Syntax

    The XTA-50 specific commands and syntax are identical in USB and Ethernet remote control modes. Rules In remote mode the XTA-50 is a slave. It replies to the computer but will never instigate a communication. A command is a string.
  • Page 53 Syntax: <action identifier><CR><LF> Example: LOCAL<CR><LF> Command Error If the XTA-50 is not able to understand a command, it resends it (in uppercase and without space) preceded by the character "?": ?<Command><CR><LF> Error can come from a wrong parameter name, a wrong action identifier, a wrong value.

  • Page 55: Maintenance

    Maintenance User maintenance of the XTA-50 system is limited to basic maintenance tasks that do not require removing the instrument case-cover or accessing any internal component of the instrument. ARNING To avoid the possibility of injury, never remove the protective cover of the chassis to perform servicing or maintenance operations to the XTA-50 internal parts and optical components.

  • Page 56: Updating The Xta-50 Firmware Version

    Updating the XTA-50 Firmware Version The firmware version update package is a .pkg file named XTA_Updater_x.xx.pkg where x.xx is the firmware version. It is available on the EXFO website, from the EXFO Apps area. AUTION Do not install a lower version of software than the current version installed on your product.

  • Page 57: Updating The Operating System Version (Security Updates)

    Updating the operating system may take a significant amount of time. To update the operating system version: 1. Make sure that your XTA-50 is connected to the Internet with an Ethernet cable, on Ethernet port #2 (see Rear Panel on page 5).

  • Page 58: Accessing The Operating System

    Accessing the operating system closes the XTA-50 application. To open it again, you must restart the system. To access the operating system: 1. Turn on the XTA-50 as explained in Turning on the XTA-50 and Accessing the Operating Modes on page 18. 2. In the Operating Mode window, touch the Settings button.

  • Page 59: Cleaning Optical Connectors

    Lint-free tissue or cleaning cartridges Use only high quality cleaning supplies that are non-abrasive and leave no residue 2. Turn the XTA-50 off (see Turning off the XTA-50 on page 22) and unplug the power supply cord from the wall socket.
  • Page 60 10. Perform steps 5 to 7 on the second connector. 11. Push the connector drawer back on the front panel and screw the drawer back in its location, making sure no fiber is trapped between the front panel and the drawer plate. XTA-50...

  • Page 61: Cleaning The Xta-50

    Cleaning the Fan Grid To ensure proper cooling of the XTA-50 from the fan, the cooling fan grid located on the rear panel (see Rear Panel on page 5) must not be dusty, you must clean it regularly.
  • Page 62 Isopropyl alcohol To clean the external cover of the XTA-50: 1. Turn the XTA-50 off (see Turning off the XTA-50 on page 22) and unplug the power supply cable from the wall socket. 2. Using an lint-free cloth slightly damped with ethyl alcohol, gently swipe dirt on the screen.

  • Page 63: Replacing Fuses

    Maintenance Replacing Fuses Replacing Fuses You must verify the power fuses in case you cannot turn on the XTA-50. ARNING To avoid fire hazard, only use the correct fuse type, voltage and current ratings. The unit contains two fuses (see Technical Specifications on page 3 for details). The fuse holder is located at the back of the unit, just above the power inlet.

  • Page 64: Recycling And Disposal

    This symbol on the product means that you should recycle or dispose of your product (including electric and electronic accessories) properly, in accordance with local regulations. Do not dispose of it in ordinary garbage receptacles. For complete recycling/disposal information, visit the EXFO Web site at www.exfo.com/recycle. XTA-50...

  • Page 65: Troubleshooting

    The motor driver has not been found during the initialization process. Restart the XTA-50. If the error appears again, contact the EXFO customer service (see Contacting the Technical Support Group on page 61. Motors Connection error. At least one motor is missing At least one motor was not connected to the driver during initialization.

  • Page 66: Checking The Firmware Version

    The sequence file has been loaded and parameters have been modified to fit to their range. Checking the Firmware Version The About window provides information on your XTA-50. It is displayed for a few seconds at system startup. You can also display it on demand as explain in the following procedure.

  • Page 67: Contacting The Technical Support Group

    Contacting the Technical Support Group Contacting the Technical Support Group To obtain after-sales service or technical support for this product, contact EXFO at one of the following numbers. The Technical Support Group is available to take your calls from Monday to Friday, 8:00 a.m. to 7:00 p.m. (Eastern Time in North America).

  • Page 69: Warranty

    EXFO Inc. (EXFO) warrants this equipment against defects in material and workmanship for a period of XX number of years XX from the date of original shipment. EXFO also warrants that this equipment will meet applicable specifications under normal use.

  • Page 70: Liability

    Liability Liability EXFO shall not be liable for damages resulting from the use of the product, nor shall be responsible for any failure in the performance of other items to which the product is connected or the operation of any system of which the product may be a part.

  • Page 71: Service And Repairs

    5. Return the equipment, prepaid, to the address given to you by support personnel. Be sure to write the RMA number on the shipping slip. EXFO will refuse and return any package that does not bear an RMA number.

  • Page 72: Exfo Service Centers Worldwide

    Fax: +86 (755) 2955 3101 Xintian Avenue, support.asia@exfo.com Fuhai, Bao’An District, Shenzhen, China, 518103 To view EXFO's network of partner-operated Certified Service Centers nearest you, please consult EXFO's corporate website for the complete list of service partners: http://www.exfo.com/support/services/instrument-services/ exfo-service-centers. XTA-50...

  • Page 73: A Command Reference

    Command Reference This section presents detailed information about the command and queries supplied with your XTA-50. For more details on XTA-50 remote control procedures and syntax, see Remotely Controlling the XTA-50 on page 37. The XTA-50 specific commands and syntax are identical in USB, and Ethernet remote control modes.

  • Page 74: General System Information

    Identification: The response is organized into four fields separated by commas. The field definitions are as follows: Field 1 (Manufacturer): EXFO Field 2 (Model): instrument model Field 3 (Serial number): instrument serial number Field 4 (Firmware level): instrument firmware version Example(s) *IDN? returns EXFO,XTA-50,EO123456789,x.x.x...

  • Page 75: Wavelength/Frequency And Fwhm Control

    Command Reference Wavelength/Frequency and FWHM Control Wavelength/Frequency and FWHM Control B_SUPPR= Description This command sets the state of the backlash suppression mechanism. Syntax B_SUPPR=DISABLED|ENABLED Parameter(s) DISABLED: Disables the backlash suppression mechanism. ENABLED: Default value. Enables the backlash suppression mechanism. Example(s) B_SUPPR=ENABLED B_SUPPR? Description...
  • Page 76 FWHM Constrain on Central Wavelength: on page 23. The value really taken into account is returned in the answer. If a sequence is running, the frequency cannot be remotely assigned. In this case the XTA-50 answer is: SEQUENCE_RUNNING=TRUE Example(s) FREQ=193.415...
  • Page 77 This value can constrain wavelength and frequency values, as explained in section FWHM Constrain on Central Wavelength: on page 23 If a sequence is running, the FWHM cannot be remotely assigned. In this case the XTA-50 answer is: SEQUENCE_RUNNING=TRUE Example(s) FWHM=0.065 FWHM? Description This query returns the current FWHM value in nm.
  • Page 78 This value can constrain wavelength and frequency values, as explained in section FWHM Constrain on Central Wavelength: on page 23 If a sequence is running, the FWHM cannot be remotely assigned. In this case the XTA-50 answer is: SEQUENCE_RUNNING=TRUE Example(s) FWHM_F=8.11 FWHM_F? Description This query returns the current FWHM value in GHz.
  • Page 79 Command Reference Wavelength/Frequency and FWHM Control FWHM_MIN? Description This query returns the instrument minimum FWHM value in nm. Syntax FWHM_MIN? Parameter(s) None. Response Syntax <minimum> Response(s) minimum: String of a natural number corresponding to the minimum possible FWHM value. Example(s) FWHM_MIN? returns 0.05 FWHM_MAX? Description...
  • Page 80 FWHM Constrain on Central Wavelength: on page 23. The value really taken into account is returned in the answer. If a sequence is running, the wavelength cannot be remotely assigned. In this case the XTA-50 answer is: SEQUENCE_RUNNING=TRUE Example(s) LAMBDA=1550.003...
  • Page 81 Command Reference Wavelength/Frequency and FWHM Control LAMBDA_MIN? Description This query returns the instrument minimum wavelength value in Syntax LAMBDA_MIN? Parameter(s) None. Response Syntax <minimum> Response(s) minimum: String of a natural number corresponding to the minimum possible wavelength value. Example(s) LAMBDA_MIN? returns 1650 LAMBDA_MAX? Description This query returns the instrument maximum wavelength value in...

  • Page 82: Remote Mode Control

    They are configured by the network DHCP. The new configuration will be operational after few seconds/minutes. Syntax ETH_AUTO Parameter(s) None. Example(s) ETH_AUTO ETH_AUTO? Description This query informs whether the XTA-50 Ethernet parameters are currently in automatic mode. Syntax ETH_AUTO? Parameter(s) None. Response Syntax TRUE|FALSE Response(s) TRUE: The XTA-50 Ethernet parameters are currently in automatic mode.
  • Page 83 Description This command sets a new gateway (for more details, see section Setting the XTA-50 Ethernet Ports on page 42). The new value is only taken into account after calling ETH_MANUAL. We do not recommend to set this value using the Ethernet remote mode.
  • Page 84 This query returns the XTA-50 IP address set in manual mode on Port#2 (not the IP address currently used). Syntax ETH_IP? Parameter(s) None. Response Syntax <IP address> Response(s) IP address: IP address of the XTA-50 as four integers (0 to 255) separated by dots. Example(s) ETH_IP? returns 192.168.0.5 XTA-50...
  • Page 85 Syntax ETH_MANUAL Parameter(s) None. Example(s) ETH_MANUAL ETH_MANUAL? Description This query informs whether the Ethernet parameters currently used by the XTA-50 are the ones set in manual mode. Syntax ETH_MANUAL? Parameter(s) None. Response Syntax TRUE|FALSE Response(s) TRUE: The XTA-50 uses the Ethernet parameters set manually.
  • Page 86 ETH_MASK? Parameter(s) None. Response Syntax <mask> Response(s) mask: Mask of the XTA-50 as four integers (0 to 255) separated by dots. Example(s) ETH_MASK? returns 255.255.255.0 LOCAL Description This command ends remote mode, the XTA-50 comes back to local mode. Syntax...
  • Page 87 Chinese Regulation on Restriction of Hazardous Substances (RoHS) 中国关于危害物质限制的规定 NAMES AND CONTENTS OF THE TOXIC OR HAZARDOUS SUBSTANCES OR ELEMENTS CONTAINED IN THIS EXFO PRODUCT 包含在本 EXFO 产品中的有毒有害物质或元素的名称及含量 Part Name Lead Mercury Cadmium Hexavalent Polybrominated Polybrominated Chromium biphenyls diphenyl ethers 部件名称...
  • Page 88 · info@exfo.com CORPORATE HEADQUARTERS 400 Godin Avenue Quebec (Quebec) G1M 2K2 CANADA Tel.: 1 418 683-0211 · Fax: 1 418 683-2170 TOLL-FREE (USA and Canada) 1 800 663-3936 © 2022 EXFO Inc. All rights reserved.

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