Compare 100GBASE-LR4 and ER4 for long-distance 100G networks and learn how reach, FEC and optical power budget affect transceiver selection.

Learn the key differences between 400G AOC and DAC cables and how to choose the right option for short-reach data center connectivity.

Learn how 400G DR4 uses four parallel 100G optical lanes for 500m single-mode fiber links and flexible 4×100G breakout in data center networks.

Learn the differences between MPO-8, MPO-12 and MPO-16, including fiber count, compatibility and common applications in 100G and 400G networks.

Learn the key differences between QSFP56 and QSFP-DD, including lane count, bandwidth, compatibility and common 200G and 400G applications.

Learn how RJ45 SFP modules provide copper Ethernet connectivity through SFP ports, including speed, distance, cabling, heat and compatibility.

Learn how optical power budget, fiber attenuation, connector loss and receiver limits affect the reliability of fiber optic links.

Learn how DOM/DDM monitors optical power, temperature, voltage, and laser bias current to help identify transceiver and fiber link problems.

This article explains how PAM4 enables the transition from 100G to 400G and compares the lane architectures, fiber types and applications of 400G SR8, DR4 and FR4 optical modules.

This article explains why 25G has become the foundation of 100G data center networks, covering lane architecture, breakout connectivity and typical server-to-switch applications.