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Agilent Technologies 8156A Query Deadlocked, Query Unterminated after indefinite response, 201

Models: 8156A

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Error Messages

GPIB Messages

-430 Query DEADLOCKED

A condition causing a deadlocked query has occurred (for example, both the input and the output buffer are full and the device cannot continue).

-440 Query UNTERMINATED after indefinite response

Two queries were received in the same message. The error occurs on the second query if the first requests an indefinite response, and was already executed.

Instrument Specific Errors

These are errors with positive error numbers, and are specific to this instrument.

201

The user calibration is currently on, and calibration data cannot be changed. Switch the user calibration state to off (see ) and try again.

202

There is no user wavelength calibration data, or the data is invalid.

203

Entering the data points cannot be stopped, because it has not been started.

204

There no more data points to be read.

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Agilent Technologies 8156A Query Deadlocked, Query Unterminated after indefinite response, Instrument Specific Errors, 201
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8156A specifications

Agilent Technologies 8156A is a high-performance optical source offering advanced capabilities for testing and characterizing optical systems. Specifically designed for applications in telecommunications and data communications, the 8156A stands out due to its precision, versatility, and reliability, making it an essential tool for engineers and researchers in the telecommunications industry.

One of the main features of the 8156A is its ability to generate a stable, accurate, and tunable optical signal. This optical source operates across a wide wavelength range, typically from 1260 nm to 1675 nm, covering key regions used in fiber optics. The tunable laser module is particularly beneficial for applications requiring the testing of fiber optic components, systems, and networks, enabling users to specify any wavelength within this range.

The device employs advanced technologies, including distributed feedback (DFB) laser technology, offering low noise and high output power while ensuring minimal phase and frequency jitter. This results in precise measurements that are crucial for evaluating the performance of optical devices. The 8156A also features a built-in optical power meter, allowing for seamless integration and real-time monitoring of optical power levels during testing.

Another significant characteristic of the 8156A is its user-friendly interface, which includes easy-to-read displays and intuitive controls. This design simplifies operation, allowing users to set up tests quickly and efficiently. Additionally, it provides various output options, including single-mode and multi-mode fiber interface compatibility, expanding its usability across different applications.

The 8156A is equipped to handle numerous protocols and systems, including passive optical networks (PON), optical transport networks (OTN), and traditional wavelength-division multiplexing (WDM) technologies. Its agility in adapting to various protocols enhances its role in research and development settings.

Moreover, the device offers a range of automation features, enabling users to script complex measurement sequences, making it an adaptable solution for both laboratory and field environments. Combined with its robust build quality, the Agilent Technologies 8156A optical source not only ensures reliable operation but also provides a long service life, making it a valuable investment for any optical testing application.