IV. Return Loss Test Options 100, 101 | Agilent Technologies 8156A

Performance Tests

Performance Test

IV. Return Loss Test

Options 100, 101, and 121

Specifications	Agilent 8156A
Return Loss	Option 100	>35dB
	Option 101	>45dB
	Option 121	>45dB

1.Make sure that all connectors are carefully cleaned.

2.Connect the source to the HP 81534A Input. Attach the high return loss connector of the patchcord to the Output (the high return loss connector on these cables is the connector with the orange sleeve). Using tape, fix the cables to the table.

Figure D-7

Return Loss Test Setup 1, Options 100, 101, 121

3.Make sure that the instrument has warmed up.

4.Disable the source, cover the end of the patchcord (for instance, using the blue cap supplied with the fiber) and press ZERO to remove offsets in the power meter.

5.Press PARAM to select the T parameter. Set the averaging time to 1s.

185

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.

Agilent Technologies 8156A manual IV. Return Loss Test Options 100, 101

Models: 8156A