The Open XR Optics Forum published its Open XR Signal Specification document, delivering a full line-side signal specification for Open XR Optics transceivers, enabling implementation of line-side compatible transceivers.
This specification document defines the following key building blocks of the Open XR Optics technology:
- Subcarrier-based transmission format for Open XR modules
- Processing blocks from client-side to line-side
- Interoperable Forward Error Correction (IFEC), including the encoding process, code design rules, and memory structure
- Bit to label mapping
- Framing and gain sharing
- Label to symbol mapping
- And out-of-band communications
The signal specification has been developed and approved by the Open XR Optics Forum. These specifications further advance multi-vendor availability and interoperability of Open XR Optics-enabled transceivers through standardization.

