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Photonic Test & Measurement Products

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How are our jitter intrinsics specified at 2.5Gb/s?
To check an instruments back-to-back jitter intrinsic performance you should use an STM-16c ...

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

When should I use the standard performance optical spectrum analyzer?
The standard 86140B benchtop and 86143B portable optical spectrum analyzers are high caliber double pass analyzers ideal for 100 GHz and tighter WDM applications.

FAQ 2002-12-02

Does OmniBER OTN incorporate simultaneous channel monitoring similar to the I&M test set J2127A?
Yes, OmniBER OTN has the same test capability (Signal Wizard).

FAQ 2002-12-02

Will round trip delay be supported on North American payloads?
Yes, it will be supported at all E-Carrier and T-Carrier rates.

FAQ 2002-12-02

Does the SONET/SDH service disruption measurement come as standard with the OmniBER OTN?
Yes.

FAQ 2002-12-02

Does OmniBER OTN have a built in printer?
No, it has a USB port to support an external (PCL3) printer.

FAQ 2002-12-02

Where is the 2 MHz reference output derived from?
The 2 MHz reference output is derived from whichever timing source is being used to clock the transmit data.

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 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

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

How do I insure there is a ground path to the 83440?
There are 2 common ways to provide a path to ground for the 83440's...

FAQ 2002-12-02

Can the OmniBER OTN be controlled using the E454x DNA Software?
No. The remote GUI on the OmniBER OTN is written in Java and the first release will be provided free.

FAQ 2002-12-02

What jitter & wander capability is available in through mode?
In through mode the instrument is wander transparent (up to 10 Hz) but is NOT jitter transparent.

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

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

How do I print from the 71501D jitter analyzer system?
The 71501D jitter analyzer system is part of the Modular Measurement System (MMS).

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

How do I set the HPIB/GPIB/ IEEE 488.2 address of the 71501D jitter analyzer system?
The 71501D is in the modular system family and consists of...

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

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

What formats are the results stored in and what is the storage capacity?
See the table below:

FAQ 2002-12-02

I have an OmniBER without a PDH/DSn option, how do I measure service disruption time?
If you do not have the PDH/DSn module, you cannot make the measurement (except ATM option).

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

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

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