The O2E is a high bandwidth, broadband optical to electrical converter available in a range of configurations. “Auto-Negotiating” is s pported on the copper interface side. According to different rates, encapsulation types and interface types, optical modules can be divided into different categories, one of which is the electrical port module. In the daily enterprise networking, compared with the. 45 Optical to Electrical Converters from 7 manufacturers listed on GoPhotonics Optical to Electrical Converter, also known as an optoelectronic converter, is an electronic device that converts optical signals into electrical signals.