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Photonic Test & Measurement Products

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Are ALL features of the OmniBER 718 and 725 products included in the OmniBER OTN?
No. The OmniBER OTN has a feature set tailored for SONET/SDH and OTN applications up to 10G and at 10.71G.

FAQ 2002-12-02

What is the A1A2 BOUNDARY function for in the OVERHEAD SEQUENCE page?
This is to test the 6 framing bytes at the A1 A2 boundary in the section overhead.

FAQ 2002-12-02

Why is there shift in the Optical Output wavelength (approx. 0.2 nm) when I apply modulation to the 83433A?
The shift in wavelength of the 83433A is due to a laser eye safety switch which alters the laser bias current to lower the output power by 3 to 5 dB. This was added to...

FAQ 2002-12-02

If I connect more than one test instrument to the same signal, and then quickly disconnect and reconnect ...
This is not a realistic test of the instruments' ability to measure service disruption time.

FAQ 2002-12-02

Why do I measure a service disruption time of a few milliseconds, but when I look at the total bit errors ...
The Keysight OmniBER uses a special technique to accurately measure the error burst on a PRBS signal.

FAQ 2002-12-02

How do I upgrade from the 71501C to the D?
Upgrading does not require sending the...

FAQ 2002-12-02

What is the average overhead time after a single sweep completed?
Give 1000ms + Sweep Time delay for a single sweep (sweep time is less than 2000ms).

FAQ 2002-12-02

How do I view the OSA screen dump information on my PC?
To view screen dump information from an 8614X you must first save the data on the OSA to the floppy drive found on the front panel.

FAQ 2002-12-02

Can I change the OmniBER OTN mainframe from the Front Connectors to Side Connectors option at a later date?
No. The configuration (front or side connectors) must be specified at the time of the initial order.

FAQ 2002-12-02

Is it possible to turn the 1310 and 1550 nm EELED's on and off separately if I order option 004?
Yes, it is possible.

FAQ 2002-12-02

How do I print from the 86140 optical spectrum analyzer family?
The 86140 family has a built-in thermal printer as well as a Centronics (parallel) port on the back.

FAQ 2002-12-02

What is the jitter generation noise floor at 10 Gb/s?
The noise floor is .002 UI rms and .02...

FAQ 2002-12-02

Is there a command for a query sweep completed or not?
Yes, status byte request has been implemented and available on firmware version B.04.02 and higher.

FAQ 2002-12-02

How do you calibrate a jitter transfer measurement when testing E/O or O/E components?
If component has an optical output, do the calibration with an optical loopback. If it has a binary output...

FAQ 2002-12-02

What cables ship with the 83440B, 83440C and 83440D?
There are three cables that ship standard with each 83440...

FAQ 2002-12-02

Can a 10G SONET/SDH OmniBER OTN be upgraded to have G.709 10.71G functionality?
Yes. This is a chargeable firmware upgrade.

FAQ 2002-12-02

When should I use the high performance optical spectrum analyzer?
The 86142A and 86145A optical spectrum analyzers (OSA) are top of the range high performance units, ideally suited to WDM applications where power and wavelength accuracy, dynamic range and low polarization dependency are critical.

FAQ 2002-12-02

Does the 60 dB attenuation range of the 8156A include the insertion loss of the instrument?
No. The 60dB excludes the insertion loss which is 2.5 to 4.5dB depending upon option.

FAQ 2002-12-02

Will OmniBER OTN have SCPI-commands compatibility with OmniBER 718/719, J2127A and Spectral BER 10G?
The OmniBER OTN will have a large degree of compatibility with the OmniBER 718/9.

FAQ 2002-12-02

What is the OmniBER OTN calibration cycle?
2 years.

FAQ 2002-12-02

Why is air-gapping not recommended for setting optical power levels?
Air gaps are effectively a discontinuity in the optical path.

FAQ 2002-12-02

How often will the 86140A OSA need to be calibrated to meet ISO 9001 standards?
The 86140A optical spectrum analyzers have a rugged internal design as well as an auto align feature, which means that the optical spectrum analyzers only require calibration once every two years.

FAQ 2002-12-02

How can I avoid corrupting databases?
There are several actions that can be taken which will help to avoid database corruption

FAQ 2002-12-02

How do I turn off the jitter source after a jitter transfer measurement?
When the jitter transfer measurement completes...

FAQ 2002-12-02

If I have the internal wavelength calibrator of the 86140 OSA family, do I need my own source for calibration?
The internal wavelength calibrator of the 86140 will give you improved wavelength accuracy around 1550nm, or the C band.

FAQ 2002-12-02

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