What is the maximum attenuation for OS1a indoor-outdoor, singlemode optical fiber cable at 1383 nm?

The maximum allowable attenuation for OS1a indoor-outdoor, singlemode optical fiber cable at a wavelength of 1383 nm is set at 1.5 dB/km. This value is specified in industry standards and reflects the performance expectations for this type of fiber.

OS1a fibers are designed to support longer distances and minimal loss, making them suitable for various applications, including data centers and telecommunications networks. The attenuation at 1383 nm is particularly relevant because it is a commonly used wavelength for fiber optics, and understanding the limits helps in ensuring that data transmission remains efficient over long distances.

The context behind the value of 1.5 dB/km signifies that any average attenuation beyond this figure would be considered excessive for fiber installations under ideal conditions, leading to signal degradation. Therefore, recognizing that 1.5 dB/km is the maximum allowable level ensures that network engineers can design systems that maintain signal integrity and performance standards in their installations.