Table of Contents
Related Manuals for Keysight N774-C Series
Summary of Contents for Keysight N774-C Series
- Page 1 Keysight N774-C & 8162-C Series N7742C, N7743C, N7744C & N7745C Optical Power Meter N7747C & N7748C Optical High Performance Power Meter N7749C Optical Head Interface 81620C, 81623C, 81624C, 81626C & 81628C Optical Power Head User’s Guide...
- Page 2 HEREIN, INCLUDING BUT NOT LIMITED TO http://www.keysight.com/find/sweula. THE IMPLIED WARRANTIES OF The license set forth in the EULA represents MERCHANTABILITY AND FITNESS FOR A the exclusive authority by which the U.S. PARTICULAR PURPOSE. KEYSIGHT SHALL Keysight N774-C & 8162-C Series User’s Guide...
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Page 3: Safety Summary
Failure to comply with these precautions or with specific warnings or operating instructions in the product manuals violates safety standards of design, manufacture, and intended use of the instrument. Keysight Technologies assumes no liability for the customer's failure to comply with these requirements. Product manuals are provided on the Web. - Page 4 Instrument Cover Instruments that appear damaged or defective should be made inoperative and secured against unintended operation until they can be repaired by qualified service personnel. Keysight N774-C & 8162-C Series User’s Guide...
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Page 5: Instrument Markings
The UKCA (UK Conformity Assessed) marking is a new UK product marking that is used for goods being placed on the market in Great Britain (England, Wales and Scotland). It covers most goods which previously required the CE marking. Keysight N774-C & 8162-C Series User’s Guide... -
Page 6: South Korean Class A Emc Declaration
Declaration of Conformity Declarations of Conformity for this product and for the Keysight products may be downloaded from the Web. Go to http://www.keysight.com/go/conformity. You can then search by product number to find the latest Declaration of Conformity. -
Page 7: Table Of Contents
N7742C and N7743C Optical Power Meter N7744C and N7745C Optical Power Meter N7747C and N7748C Optical High Performance Power Meter N7749C Optical Head Interface 81620C, 81623C, 81624C, 81626C & 81628C Optical Power Head Keysight N774-C & 8162-C Series User’s Guide... - Page 8 Contents N774-C Series Instrument’s Front and Rear Panels N7742C Power Meter N7743C Power Meter N7744C Power Meter N7745C Power Meter N7747C Power Meter N7748C Power Meter N7749C Optical Head Interface N774-C Series Instrument’s Rear Panel Initial Inspection Initial Inspection Claims and Repackaging...
- Page 9 Linearity Maximum safe (input) power Minimum averaging time Noise pp (dark) Noise 2 sigma (dark) Operating humidity Operating temperature Operating temperature and humidity Polarization dependent responsivity (PDR) Port separation (static) Port separation, dynamic Keysight N774-C & 8162-C Series User’s Guide...
- Page 10 How to Use External Triggers How to Use Auxiliary Functions How to Get Current Instrument Settings? How to Identity a Module? How to Capture an Image of the Graph? How to Save/Recall the User Interface Settings? Keysight N774-C & 8162-C Series User’s Guide...
- Page 11 6 Maintenance Cleaning Instructions Safety Precautions Why is it important to clean optical devices? What materials do I need for proper cleaning? General Cleaning Procedure Additional Cleaning Information Firmware Upgrades Requirements Contact Keysight Technologies Keysight N774-C & 8162-C Series User’s Guide...
- Page 13 Keysight N774-C & 8162-C Series User’s Guide General Operating Considerations / 14 General Information / 15 Operating Environment / 17 Handling the Instrument / 19 Obtaining Source Code...
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Page 14: General Operating Considerations
Keysight Technologies assumes no liability for the customer’s failure to comply with these requirements. Ensure the proper usage for the instrument. The protection provided WARNING by the instrument may be impaired. -
Page 15: Operating Environment
Failure to provide adequate air clearance may result in excessive internal temperature, reducing instrument reliability. The instrument should not be operated when resting on its rear or side panels. Figure 1 shows the correct operating position of Keysight N7744C/5C. Keysight N774-C & 8162-C Series User’s Guide... - Page 16 General Operating Considerations 75 mm (3 inches) 25 mm (1 inch) 25 mm (1 inch) Figure 1 Operating Position of the Instrument Keysight N774-C & 8162-C Series User’s Guide...
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Page 17: Handling The Instrument
General Operating Considerations Handling the Instrument Storage, Carrying and Shipment Keysight N774-C and 8162-C instruments can be stored and shipped at temperatures between -40 C and +70 The N774-C instruments must be stored, carried in its operating position, as shown in... - Page 18 General Operating Considerations B. Two Instruments Mounted on a Rack A. Single Instrument Mounted on a Rack Figure 2 Instrument(s) Mounted on a Rack Keysight N774-C & 8162-C Series User’s Guide...
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Page 19: Obtaining Source Code
This product uses open source packages. To the extent required by the applicable open source license(s), Keysight makes source code available upon request. To request source code, please contact Keysight Support at www.keysight.com/main/support.jspx. Third party software acknowledgments and licenses for the N774-C series with the embedded Linux operating system are located at: www.keysight.com/find/N7745C... -
Page 21: Getting Started
Keysight N774-C & 8162-C Series User’s Guide Getting Started / 22 N774-C and 8162-C Series Instruments / 27 N774-C Series Instrument’s Front and Rear Panels / 33 Initial Inspection / 35 Power Supply Requirements / 37 Optical Connections / 45... -
Page 22: N774-C And 8162-C Series Instruments
N7742-I connector interfaces. Successor to Keysight's previous optical power meters, the new series of optical power meters has been further optimized for high measurement throughput when characterizing optical multiport components, for... -
Page 23: N7744C And N7745C Optical Power Meter
Getting Started These power meters are highly compatible with setups and programs. They are also easy to synchronize with Keysight tunable laser sources, to make spectral measurements. The functionality for time-dependent measurement has been extended with sampling at up to 1 MHz and data logging of up to 1 million samples for each port. -
Page 24: N7747C And N7748C Optical High Performance Power Meter
N774-C instrument platform. These instruments combine the optical performance of the 81634B sensor modules with the large memory, fast data transfer and small footprint of the N774-C series platform. Eight high-sensitivity optical power meters now fit in a single rack unit. Optical connections are made with the interchangeable 81000xI connector interface system. -
Page 25: 81620C, 81623C, 81624C, 81626C & 81628C Optical Power Head
Functionality includes averaging time settings from 100 µs to 10 s, automatic power ranging, monitoring of minimum and maximum values. Fiber adapters are available for common connector types including MT ribbon fiber connectors and bare fiber clamps (for details, see https://www.keysight.com/in/en/products/accessories.html). Keysight N774-C & 8162-C Series User’s Guide... - Page 26 Lower power per mm² makes the optical head more suitable for high power measurements and guarantees better linearity. Optical Head Adapters on page 37. For further details on its application and key features, refer to the product datasheet available on www.keysight.com. Keysight N774-C & 8162-C Series User’s Guide...
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Page 27: N774-C Series Instrument's Front And Rear Panels
Getting Started N774-C Series Instrument’s Front and Rear Panels This section provides information on the front panel of N774-C multiport power meters. N7742C Power Meter Figure 3 Front panel of the N7742C 2-port power meter Figure 4 Front panel of the N7742C 4-port power meter... -
Page 28: N7743C Power Meter
Getting Started N7743C Power Meter Figure 5 Front panel of the N7743C 2-port power meter Figure 6 Front panel of the N7743C 4-port power meter Keysight N774-C & 8162-C Series User’s Guide... -
Page 29: N7744C Power Meter
Getting Started N7744C Power Meter Figure 7 Front panel of the N7744C 4-port power meter N7745C Power Meter Figure 8 Front panel of the N7745C 8-port power meter Keysight N774-C & 8162-C Series User’s Guide... -
Page 30: N7747C Power Meter
Getting Started N7747C Power Meter Figure 9 Front panel of the N7747C 2-port optical power meter N7748C Power Meter Figure 10 Front panel of the N7748C 4-port optical power meter Keysight N774-C & 8162-C Series User’s Guide... -
Page 31: N7749C Optical Head Interface
Getting Started N7749C Optical Head Interface Figure 11 Front panel of the N7749C 2-port optical head interface Figure 12 Front panel of the N7749C 4-port optical head interface Keysight N774-C & 8162-C Series User’s Guide... -
Page 32: N774-C Series Instrument's Rear Panel
Getting Started N774-C Series Instrument’s Rear Panel Figure 13 Rear panel of the N774-C series instruments Keysight N774-C & 8162-C Series User’s Guide... -
Page 33: Initial Inspection
Return Shipments to Keysight Technologies If the instrument is to be shipped to the Keysight Technologies Sales/ Service Office, attach a tag showing owner, return address, model number and full serial number and the type of service required. - Page 34 Getting Started • Seal shipping container securely. • Mark shipping container FRAGILE to encourage careful handling. • In any correspondence, refer to instrument by model number and serial number. Keysight N774-C & 8162-C Series User’s Guide...
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Page 35: Power Supply Requirements
The power switch allows you to switch between stand-by mode and power-on mode. Figure 14 Power LED on the Front Panel of the Instrument Keysight N774-C & 8162-C Series User’s Guide... - Page 36 When the instrument is in stand-by mode, the Power LED is orange. When the instrument is powered-on, the Power LED is green. The AC power requirements are summarized on the rear panel of the instrument. Figure 15 AC Power Requirement Markings Keysight N774-C & 8162-C Series User’s Guide...
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Page 37: Optical Connections
Cable to interface module (N7749C) Analog output Figure 16 Rear view of an Optical Head with Analog Output Optical interface connector adapter locking screws Figure 17 Front View of Optical Head without Adapter Keysight N774-C & 8162-C Series User’s Guide... - Page 38 For the complete list of adapters, refer to the chapter Accessories on page 97. When a connector adapter is fitted it should be locked in place by tightening the locking screws located either side of the main optical head housing. Keysight N774-C & 8162-C Series User’s Guide...
- Page 39 34 dBm. Applicable Adapters Keysight adapters types 81000xx, 81000BT are applicable to the 81628C with the heat sink attached (without the heat sink and up to 34 dBm the 81000BT bare fiber adapter may be attached). Bare fibers are not intended to be used in high power applications.
- Page 40 Slide the bottom part of the heat sink over the throat of the integrating sphere with the smallest diameter facing to the sphere. Then screw on the desired adapter (81000xx series) to the sphere as shown in Figure 19 Keysight N774-C & 8162-C Series User’s Guide...
- Page 41 Tighten the screws with the Allen key enclosed in the Heat Sink Kit (see Figure 20 Figure 20 Attaching the Upper Part of the Heat Sink Keysight N774-C & 8162-C Series User’s Guide...
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Page 42: Quad-Adapter Connections
(all contact with the optical inputs should be avoided). Usually the only cleaning necessary for the optical inputs is the gentle removal of dust with pressurized, dry air. For further information, refer to the “Maintenance” section described in this document. Keysight N774-C & 8162-C Series User’s Guide... - Page 43 Always place the dust cap on unused connector interfaces. NOTE You can use the quad-adapter dust caps to protect the four power meter inputs and the rear of the quad-adapter, for example, when fibers are attached. Keysight N774-C & 8162-C Series User’s Guide...
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Page 44: 8100Xxi Optical Module Connector Interfaces
Getting Started 8100xXI Optical Module Connector Interfaces Keysight‘s universal optical interface allows users to adapt optical test instrumentation to a multitude of optical connector standards. The new ceramic sleeve has been reinforced to combine robustness with greater precision and less wear. The most popular connector interfaces, used for FC/PC and FC/APC connectors, are now equipped with the new technology. -
Page 45: Electrical Connectors
+20 or +30 dBm, the scale is shifted by 10 dB, so 2 V represents +30 dBm and 0 V is – 70 dBm. For the 81628C with a +40 dBm maximum range, 2 V is +40 dBm and 0 V is -60 dBm. Keysight N774-C & 8162-C Series User’s Guide... -
Page 46: Optical Head Analog Output
0 and 2 V. For linear output, 1 V corresponds to the nominal value of the current range (like 100 µW in the -10 dBm range) and 0 V corresponds to zero signal. Do not apply an external voltage to this connector. Keysight N774-C & 8162-C Series User’s Guide... -
Page 47: Powering Up The Instrument
When you power on the instrument, the LEDs on the front panel show the various stages of the instrument. Power Status Yellow Standby mode Searching for LAN Warming Up Green Connected with LAN Blinking Green Communicating over LAN / USB Not connected Keysight N774-C & 8162-C Series User’s Guide... -
Page 48: Remote Interface
Remote Interface The N774-C supports remote interface communication over a LAN or a USB interface. It is recommended to use the Keysight IO Libraries Suite to enable NOTE instrument communication for a variety of development environments. It is available at: http://keysight.com/find/iolibs... -
Page 49: Lan Connection Without A Dhcp Server (Private Lan)
The LAN Status Indicators on page 51). • Use the Connection Expert utility of the Keysight IO Libraries Suite to add the LAN instrument and verify a connection. To add the instrument, you can request the Connection Expert to discover the LAN instrument. -
Page 50: Usb Connection
100.61.nnn.nnn and your PC 100.61.nnn.nnn (n+1). • Use the Connection Expert utility of the Keysight IO Libraries Suite to add the instrument and verify a connection. To add the instrument, you can request the Connection Expert to discover the instrument. If the instrument cannot be found, add the instrument using its hostname or IP address. -
Page 51: Technical Overview
There may be a delay between making the LAN link (yellow status) and getting the IP address (green status). This delay may be longer if there is no DHCP server, for example when the instrument is connected directly to a PC. Keysight N774-C & 8162-C Series User’s Guide... -
Page 52: The Lan Reset Button
:SYSTem:PRESet • Pressing and holding the button for 5 seconds will reset the LAN parameters to the factory default. This includes removing the password. This is equivalent to the following programming command: :SYSTem:COMMunicate:ETHernet:RESet Keysight N774-C & 8162-C Series User’s Guide... -
Page 53: Deleting User Data
If you need to delete all your logged data and user configurations, press and hold the LAN Reset button (approx. 5 sec) to reset the instrument and all your logged data and user configurations will be deleted. Keysight N774-C & 8162-C Series User’s Guide... -
Page 54: Connecting The Instrument
Network Adapter. Double-click on this new drive. It will show a shortcut to start the user interface. Double -click on this shortcut. This will open the user interface of the instrument in a browser. Keysight N774-C & 8162-C Series User’s Guide... -
Page 55: Connecting Over Lan
Make sure the instrument is connected to the LAN, and that the LAN LED on the front panel is green. If it is not already running, start the Keysight Connection Expert software. The Discovery Service automatically discovers LAN instruments on the same subnet as the PC on which the service is running. - Page 56 Click, select LAN Instrument from the context list. This opens the list of discovered LAN instruments. b Click the Enter Address tab. c Enter the LAN address or host name and select the protocol used to communicate with the instrument. d Click OK. Keysight N774-C & 8162-C Series User’s Guide...
- Page 57 Getting Started Linux or macOS can use the zeroconf / mdns discovery service with tools like Avahi (GNU/Linux) or Bonjour (Mac). Keysight N774-C & 8162-C Series User’s Guide...
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Page 58: N774-C User Interface
N774-C instruments. Figure 23 N774-C User Interface For details on the N774-C user interface and how to use it to control the instrument, refer to User Interface Reference on page 71. Keysight N774-C & 8162-C Series User’s Guide... -
Page 59: Definition Of Terms
Keysight N774-C & 8162-C Series User’s Guide Definition of Terms / 61 Specification / 61 Typical Value (Characteristics) / 61 Operating Conditions / 61 Specified Temperature / 61 Ambient Temperature Range / 61 (Applicable) fiber type / 62 Averaging time... - Page 60 Specification wavelength range / 68 Spectral ripple (power meter; due to interference) / 68 Storage conditions / 68 Total uncertainty / 69 Uncertainty at reference conditions / 69 Wavelength range / 69 Warm-up time Keysight N774-C & 8162-C Series User’s Guide...
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Page 61: Definition Of Terms
The temperature range where the specifications apply (if not differently stated). Ambient Temperature Range Temperature range of the ambient environment where specifications apply. (Applicable) fiber type Connection type for which the specifications and characteristics apply (if not differently stated). Keysight N774-C & 8162-C Series User’s Guide... -
Page 62: Averaging Time
3rd-order for the N7744C and N7745C. The Drift D is calculated by D = max } or min }, whichever is worse. Figure 24 Drift (dark) Conditions: All ports dark. Observation time as specified. Other conditions as specified. Keysight N774-C & 8162-C Series User’s Guide... -
Page 63: Dynamic Range (Logging Mode)
Excluding “Noise pp (dark)” (see, Noise pp (dark) on page 64 and “Drift (dark)” (see, Drift (dark) on page 62). Conditions: Reference power level P = 0.01 mW (-20 dBm). Other conditions as specified. Keysight N774-C & 8162-C Series User’s Guide... -
Page 64: Maximum Safe (Input) Power
Specifies twice the standard deviation of the measured dark power (with zero input power), excluding “Drift (dark)”. Power are expressed in Watts. Conditions: All ports dark. Averaging time as specified. Other conditions as specified. Keysight N774-C & 8162-C Series User’s Guide... -
Page 65: Operating Humidity
Specifies the dependence of the measured power on the input state of polarization (SOP) as ± half the difference between the highest and the lowest measured power over all SOPs, expressed in dB. Powers expressed in dBm. Conditions: As specified. Keysight N774-C & 8162-C Series User’s Guide... -
Page 66: Port Separation (Static)
Power range Specifies the range from the smallest input power that causes a significant change of the measured (displayed) power to the highest power for which the specifications apply if not differently stated. Keysight N774-C & 8162-C Series User’s Guide... -
Page 67: Range Settling Time (One Range Step)
(zero reflectance).) Measurement: With return loss meter and non-coherent source of applicable wavelength. Keysight N774-C & 8162-C Series User’s Guide... -
Page 68: Specification Wavelength Range
(dark)" (see, Noise pp (dark) on page 64) and "Drift (dark)" (see, Drift (dark) on page 62). U = 100% * (M/P - 1) Conditions: Operating conditions as specified. Other conditions as specified. Keysight N774-C & 8162-C Series User’s Guide... -
Page 69: Uncertainty At Reference Conditions
The range of wavelengths for which the power meter is calibrated, or that can be set at the attenuator and for which the specifications apply (if not differently stated). Warm-up time Time after power-up of the acclimated instrument after which the specifications and characteristics apply. Keysight N774-C & 8162-C Series User’s Guide... -
Page 71: User Interface Reference
Keysight N774-C & 8162-C Series User’s Guide User Interface Reference / 72 N774-C Series User Interface / 74 Controlling N774-C Instruments / 88 How to Use Auxiliary Functions... -
Page 72: N774-C Series User Interface
The same user interface is applicable for all N774-C instruments. Figure 27 N7745C User Interface The N774-C series user interface has the various tabs that help the user to control the instrument: • Home – This tab displays the various instrument settings. For details,... - Page 73 In addition, this tab also allows you to edit the current LAN configuration of the instrument. For details, refer to How to Configure LAN? on page 93. • Help – This tab opens the instrument’s help. Keysight N774-C & 8162-C Series User’s Guide...
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Page 74: Controlling N774-C Instruments
The Control Instrument tab also allows you to configure an individual channel. To do so, click on the channel button, for example CH1 button for channel 1. It will show the details of the respective channel as shown in the following figure: Keysight N774-C & 8162-C Series User’s Guide... - Page 75 For further details on power and it’s unit, refer to How to Measure Power on page 78. For further details on wavelength, refer to How to Set the Wavelength on page 79. Keysight N774-C & 8162-C Series User’s Guide...
- Page 76 Power Vs. Time Graph The Control Instrument tab displays a graph that shows the relationship between the power and time. The power is represented by Y axis while the X axis represents the time. Keysight N774-C & 8162-C Series User’s Guide...
- Page 77 Settings and then click the Export CSV option. Reset Markers At any point of time you can click on the Reset Markers button to reset the markers on the graph. Keysight N774-C & 8162-C Series User’s Guide...
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Page 78: How To Measure Power
Power, in units of dBm, is measured relative to 1 mW. It is an absolute power measurement. Power, in units of dB, is measured relative to a particular reference power value. The following calculation is made: Keysight N774-C & 8162-C Series User’s Guide... -
Page 79: How To Set The Wavelength
) CAL dB – measured input where, is the adjusted value of the signal read in dBm, measured is the input signal level in dBm, and input CAL is the calibration offset in decibels (dB). Keysight N774-C & 8162-C Series User’s Guide... -
Page 80: How To Set The Reference Level
N774-C or by programming. This takes the input power level and stores it as the reference. Setting the reference only affects results returned in dB. Keysight N774-C & 8162-C Series User’s Guide... - Page 81 (see How to Set the Calibration measuredB Offset on page 79) measured by the port you choose to reference, and REF is the reference level in decibels (dB). Keysight N774-C & 8162-C Series User’s Guide...
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Page 82: How To Remove Electrical Offsets (Zero)
It is good practice to perform a zero before making any sensitive measurements. Logging data over a wide dynamic range is a typical case that requires a valid zero setting. In the Settings option, select Zero. Keysight N774-C & 8162-C Series User’s Guide... -
Page 83: How To Choose The Range Mode
Auto - the auto-ranging mode, ensures that the result has a returned value between 9% and 100% of full scale. The default state is for automatic ranging to be enabled. • Manual - the manual mode allows you to set a user-defined range. Keysight N774-C & 8162-C Series User’s Guide... -
Page 84: How To Set The Range
199.99 μW -7.000 dBm -20 dBm 19.999 μW -17.000 dBm -30 dBm 1.9999 μW -27.000 dBm -40 dBm 199.99 nW -37.000 dBm -50 dBm 19.999 nW -47.000 dBm -60 dBm 1.9999 nW -57.000 dBm Keysight N774-C & 8162-C Series User’s Guide... -
Page 85: How To Set The Averaging Time
This mode is intended principally for polarization dependent measurements, but can be used for other types of measurement. Reset MinMax - Use this option to reset the minimum value measured, and the maximum value measured. How to Use External Triggers Keysight N774-C & 8162-C Series User’s Guide... - Page 86 Disabled (DIS) - No triggers are generated. • Meas. Started (MEAS) - An output trigger is generated when a power measurement begins. • Avg Time Over (AVG) - An inverted trigger is generated for each measurement sample. Keysight N774-C & 8162-C Series User’s Guide...
- Page 87 User Interface Reference Trigger configuration can also be done using the commands. For information on trigger commands, refer to the Keysight N774-C Series Programming Guide. Keysight N774-C & 8162-C Series User’s Guide...
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Page 88: How To Use Auxiliary Functions
VISA Instrument Address – Displays VISA instrument addresses of the current instrument. • LAN Details – Displays LAN configuration details of the current instrument. Please note that the Home tab does not allows the user to change the NOTE displayed instrument settings. Keysight N774-C & 8162-C Series User’s Guide... -
Page 89: How To Identity A Module
You can only capture the screen if you are in the Control Instrument tab. NOTE How to Save/Recall the User Interface Settings? The Save/Recall tab on the N774-C user interface allows you to save and recall the user interface settings. Keysight N774-C & 8162-C Series User’s Guide... -
Page 90: Logging In/Out Of The N774-C User Interface
Change Password button. For details, see How to Create/Change the Password? on page 91. To log out the N774-C user interface, click on Log out icon available on the top right of the user interface. Keysight N774-C & 8162-C Series User’s Guide... -
Page 91: How To Create/Change The Password
You can use the Update Rate and Data Points feature to set the refresh rates in milliseconds for the graph and instrument settings. To perform an update rate: Go to Settings and click Update Rate. A Update Rate and Number of Data Points dialog appears: Keysight N774-C & 8162-C Series User’s Guide... -
Page 92: Reboot Device
Go to Settings and click Reboot. A Reboot Device dialog will appear: Click on the Reboot System button. This action will restart the firmware and take at least 30 seconds. Please wait until the reboot process is completed. Keysight N774-C & 8162-C Series User’s Guide... -
Page 93: How To Configure Lan
The Configure LAN tab also allows you to edit the currently used LAN settings. To do so, Click on the Edit button. The Edit Network Configuration page will appear as shown in the figure below: Keysight N774-C & 8162-C Series User’s Guide... - Page 94 It can take up to 30 seconds for changes to these settings to take effect. NOTE You may need to refresh the Configure LAN page after 30 seconds to see the updated settings. Changes in hostname and description require reboot or LAN restart to take effect. Keysight N774-C & 8162-C Series User’s Guide...
- Page 95 Click on the Reset button to reset all LAN parameters to the factory default. Your browser connection to the instrument may be broken after WARNING executing the reset network configuration operation. If so, reconnect to the instrument using the new hostname or IP address. Keysight N774-C & 8162-C Series User’s Guide...
- Page 97 Keysight N774-C & 8162-C Series User’s Guide Accessories...
- Page 98 Bare fiber connectivity set for 81623 , Optical head adapter 81624 and 81626 (1x head adapter, These adapters are to be used with Keysight optical heads only. 1 x 0-400 um holder, 1 x 400-900 um The connector adapters are needed to attach connecterized holder, 1 x gauge) fibers.
- Page 99 HMS-10, FC/PC/SPC, APC, DIN, ST, E-2000, or SC connector. It – Return loss = 0.18 dB ± 0.1 dB (96% ± 2%) can also be used to mate a Keysight 81000BR reference reflector typ. to a connector under test. The Keysight 81000UM is a through –...
- Page 101 Keysight N774-C & 8162-C Series User’s Guide Maintenance / 102 Cleaning Instructions / 106 Additional Cleaning Information / 107 Firmware Upgrades / 108 Contact Keysight Technologies...
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Page 102: Cleaning Instructions
If you are unsure of the correct cleaning procedure for your optical device, we recommend that you first try cleaning a dummy or test device. Keysight Technologies assume no liability for the customer’s failure to comply with these requirements. Safety Precautions Please follow the following safety rules: •... -
Page 103: What Materials Do I Need For Proper Cleaning
• Compressed air Dust and shutter caps All of Keysight Technologies’ lightwave instruments are delivered with either laser shutter caps or dust caps on the lightwave adapter. All cables come with covers to protect the cable ends from damage or contamination. - Page 104 Use only clean, fresh soft tissues and never apply them twice. Any dust and dirt from the air which collects on your tissue, or which has gathered after initial cleaning, may scratch and pollute your optical device. Keysight N774-C & 8162-C Series User’s Guide...
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Page 105: General Cleaning Procedure
Take a new, dry soft-tissue and remove the alcohol, dissolved sediment and dust, by rubbing gently over the surface using a small circular movement. Blow away any remaining lint with compressed air. Keysight N774-C & 8162-C Series User’s Guide... -
Page 106: Additional Cleaning Information
Maintenance Additional Cleaning Information For additional information on cleaning and safety matters for optical devices, refer the following document: https://literature.cdn.keysight.com/litweb/pdf/5989-4473EN.pdf Keysight N774-C & 8162-C Series User’s Guide... -
Page 107: Firmware Upgrades
New features may be available with new firmware revisions. Firmware updates can be done by installing the firmware updates installation file, which can be downloaded from www.keysight.com. Ensure to execute the firmware update procedure only under conditions CAUTION of reliable power and I/O connectivity to the instrument. -
Page 108: Contact Keysight Technologies
Check the firmware version. Go to instrument’s user interface Home tab and check for the firmware version. Contact Keysight Technologies To locate a sales or service office near you, go to www.keysight.com/find/contactus. Keysight N774-C & 8162-C Series User’s Guide... - Page 110 This information is subject to change without notice. © Keysight Technologies 2021 Edition 2.0, April 2021 www.keysight.com...