OIF Unveils CEI-112G-XSR+-PAM4 Extended Extra Short Reach Implementation Agreement, Paving the Way for Advanced Interconnectivity

FREMONT, Calif.--(BUSINESS WIRE)-- #400ZR--OIF, where the optical networking industry’s interoperability work gets done, has published a new Implementation Agreement (IA) for Common Electrical I/O (CEI) CEI-112G-XSR+-PAM4 Extended Extra Short Reach. The CEI-112G-XSR+-PAM4 IA specifies a 112 Gb/s PAM4 electrical interface for die-to-die (D2D) and die-to-optical-engine (D2OE) interconnect with bump-to-bump insertion loss up to 13 dB at the Nyquist frequency and baud rate in the range 36 Gsym/s to 58 Gsym/