This latest specification, 100G-DR-LPO, outlines comprehensive electrical and optical requirements to ensure interoperability across switches, network interface cards (NICs), and optical modules, aiming to significantly reduce power consumption, cost, and latency—key challenges. This latest specification, 100G-DR-LPO, outlines comprehensive electrical and optical requirements to ensure interoperability across switches, network interface cards (NICs), and optical modules, aiming to significantly reduce power consumption, cost, and latency—key challenges. ptics (CPO) have been proposed. 1 shows the typical block diagram of a pluggable transceiver consisting of on-board lasers, optics, a Photonics die housing the modulator, the photodetector, and associated photonic components required for the optical path, an Electrical IC with the. An LPO (Linear Pluggable Optics) solution offers considerable power savings for optical interconnect by removing the digital signal processing (DSP) function from the pluggable optical module. This architecture takes advantage of the capabilities in each segment of the link to form a power, cost. Linear Pluggable Optics (LPO) are a new optical transceiver technology. The focus is on 400G and 800G LPOs using 56GBd lanes. 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.