An optical attenuator, or fiber optic attenuator, is a device used to reduce the power level of an optical signal, either in free space or in an optical fiber. The basic types of optical attenuators are fixed, step-wise variable, and continuously variable. The power reduction is done by such means as absorption, reflection, diffusion, scattering, deflection, diffraction, and dispersion, etc.
Read More
PPC's Optical Distribution Frame is designed to accommodate high density feeder panels or splitter panels used in FTTH PON networks. The rack can be made as a standalone solution, or as a side-by-side system with integrated cable management in the middle. It is an important part of building a safe and flexible optical network environment. The system can be deployed in multiple applications including central office, headend, FTTx, FTTCS, and data center.
Read More
UCF researchers have developed a hollow-core fiber that transmits data nearly 50% faster, setting the stage for the next generation of AI-powered infrastructure. Unlike traditional fibre-optic cables, which rely on solid glass cores, HCF features an air-filled core supported by precision-engineered anti-resonant structures. For field deployment, EXFO's Hollow Core Fiber OTDR analysis software, part of a Hollow Core Fiber OTDR Test Kit, provides accurate fault location and loss measurements where traditional OTDRs fall short. Here's what network engineers and CCIE candidates need to know about HCF in 2026. As the AI race continues to heat up, hollow core fiber (HCF) has emerged as a potential alternative to single-mode optical fiber (SMF). Held in San Francisco, California, this year's OFC attracted 16,700 attendees from 83.
Read More
Modern fiber optic networks usually keep splice loss low, as shown below: You should know that each splice can add 0. If losses add up, you may face poor signal quality and need more maintenance. A high loss on a fusion splice can mean that the fusion of the two fibers may not have properly occurred and you have a weak slice that could fail pre-maturely. To build a network with optical fibres, one may eventually join two fibre ends with a connector or fusion splicer. Optical fiber transmission has the advantages of wide transmission frequency, large communication capacity, low loss, no electromagnetic interference, small diameter of optical cable, light weight, rich source of raw materials, etc. This guide covers the industry standards that define splice loss thresholds, how splice loss factors into the overall link budget, and how to interpret the loss numbers from the splicer and the OTDR.
Read More
Excessive CPU usage on a switch can lead to decreased network performance and faults, affecting the stability and reliability of communication. This document provides a detailed explanation of the common causes, impacts, and troubleshooting methods for excessive CPU usage in. Cisco Business CBS110-8T-D Unmanaged Switch | 8 Port GE | Desktop | Ext PS | Limited. The issue found only in the office hourly only (after that the cpu utilization is idle.
Read More+48 22 538 72 19
ul. Postępu 14, 02-676 Warszawa, Poland