3 and OIF CEI-112G-LINEAR-PAM4 specifications. It enables Ethernet-like links with 1, 2, 4, or 8 lanes for data centers, using low power, high port density, low cost, and low latency pluggable transceiver modules in form factors such as QSFP, QSFP-DD . It builds on IEEE 802. The idea is simple: instead of a DSP (digital signal processor) inside the module – replacing it with transimpedance amplifier (TIA) and a driver chip with high linearity and EQ capability – LPO shifts signal processing into. What is Low-Power Optical Transceivers (LPO)? Linear Pluggable Optics (LPO) replace the DSP inside the optical module with linear analog components, shifting signal processing to the host ASIC. 8T Ethernet connectivity with 224 Gb/s per lane. Leveraging LPO technology, the module provides ultra-low-latency, power-efficient optical links tailored for AI, high-performance computing, and hyperscale data center applications. It. having tripled in the past decade. S Data Center Energy Use, published by the Lawrence Berkeley National Laboratory, data centers account for 4. The. Linear Drive Pluggable (LPO) is a DSP-less optical transceiver architecture designed for 800G and future 1. Unlike traditional DSP-based optical modules, LPO removes the retimer and relies on the host ASIC's native 112G PAM4 SerDes equalization to maintain signal integrity.