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Technical Support

Electronic Measurement

Find by Product Model Number: Examples: 34401A, E4440A

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Does Keysight have a recommended solution for inspecting the output ferrules?
Keysight does not offer a visual ferrule inspection tool as part of its' product line.

FAQ 2011-07-06

How can T-Value be defined?
The T-value can be described as the effective return loss of a system, with all internal parasitic reflections ...

FAQ 2011-07-06

What are the differences between the 81610A and the 81611/12/13/14A Optical Return Loss Modules?
The 81610A does NOT have an internal source, while the 81611/12/13/14A all do.

FAQ 2011-07-06

What is the difference between the 81000FA and the 81003FD?
The 81000FA is for adapting FC/PC style fiber optic connectors to either 815xxx or 816xxx optical heads.

FAQ 2011-07-06

How do I connect my industry standard connector (FC/PC, SC/PC, etc.) to my optical instrument?
A majority of Keysight's Lightwave instrumentation has a fiber optic interface that can be adapted ...

FAQ 2011-07-06

Does the 81689A operate with the Lambda Scan in the PNP Drivers?
No, Lambda Scan requires one of the large slot tunable lasers.

FAQ 2011-07-06

What is the rack mount kit for the 8156A optical attenuator?
Below is a list of possible rack mount part numbers for the 8156A.

FAQ 2011-07-06

What accessories should I order with the 8165XA FP Laser?
An 816x mainframe is required to operate a FP Laser. Additionally, a connector adapter ...

FAQ 2011-07-06

How do I upgrade the 816x mainframe firmware?
The firmware upgrade procedure for each mainframe is listed below.

FAQ 2011-07-06

How can I mount an optical head in an instrumentation rack?
To mount two (2) 8162x optical heads side by side next to an 8163A optical multimeter, please order ...

FAQ 2011-07-06

What accessories should I order with a 8163X power sensor module?
The power sensors will not be able to operate as standalone instruments.

FAQ 2011-07-06

What is the correct filter size for the 81000FA filter holder?
The 81000FA is an accessory which mounts on to an 8152x or 8162x optical head. The dimensions ...

FAQ 2011-07-06

What are the differences between the 81640A/80A TLS vs the 81642/82A TLS?
The 81642A/82A have only the high power output. The specification differences are: ...

FAQ 2011-07-06

How can I reset the password to the factory setting '1234'?
The password, as well as all other user settings, can be reset to the factory default settings by ...

FAQ 2011-07-06

Can I control the large slot tunable laser wavelength using an external analog voltage?
There are several techniques which can be applied to scan the tunable laser wavelength.

FAQ 2011-07-06

How do I calibrate the 81534A Return Loss Module with the 81610CC Reference Cable?
A patchcord between the output of Return Loss Module and 81610CC reference cable has to be used..

FAQ 2011-07-06

What are the differences between 81640A/80A/42A/82A high performance vs. 81689A compact TLS?
There are a lot of differences between the larger TLS and the smaller one.

FAQ 2011-07-06

What is the calibration cycle for the 8169A polarization controller?
The recommended calibration cycle for the 8169A is 12 months.

FAQ 2011-07-05

Can I use the 815xx Modules with the newer 816x mainframes? What are the trade-offs?
The 815xx modules will operate in the 8163 and 8164 mainframe, but NOT in the 8166 mainframe.

FAQ 2011-07-05

Should I use a Germanium (Ge) or a Indium Gallium Arsenide (InGaAs) optical head?
An important difference between Ge and InGaAs is the shape of the spectral responsivity curves.

FAQ 2011-07-05

How large is the optical head detector area?
All optical heads from Keysight Technologies use large area detectors.

FAQ 2011-07-05

How small is CD and PMD of the 8156xA?
The value of CD and PMD of the 8156xA is equivalent to the value of about 1 m optical fiber SMF28.

FAQ 2011-07-05

When upgrading my 816xB mainframe using ATTools, my computer reports "Cannot initialize serial port ...
A background task, such as hot synchronization, may be using the serial port.

FAQ 2011-07-05

What is the calibration cycle for the interface modules?
The 81618A/81619A interface modules do not require calibration.

FAQ 2011-07-05

Can I use both PC and APC connectors with the optical heads?
Yes, you can use both straight (PC) and angled (APC) fiber with the Keysight Technologies optical heads.

FAQ 2011-07-05

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