Before revision: Standardization of SerDes The Optical Internetworking Forum (OIF) has published the Common Electrical I/O (CEI) Interoperability Agreements (IAs), that have defined five generations of the electrical interface of SerDes, at 3.125, 6, 10, 28 and 56 Gb/s.
After revision: St,and 112ardization of SerDes The Optical Internetworking Forum (OIF) has published the Common Electrical I/O (CEI) Interoperability Agreements (IAs), that have defined five generations of the electrical interface of SerDes, at 3.125, 6, 10, 28 and 56 Gb/s.