I love how OIF makes their specs open to the public and really quite useful.
https://www.oiforum.com/wp-content/uploads/OIF-CEI-5.1.pdf
- Section 2: Jitter and Interoperability Methodology
- Method A uses a CID patter, The other methods (B, C, D and E) use a free running PRBS31.
- Patterns with CID, (Consecutive Identical Digits) is a straightforward way to test system capability
- Total and Relative Wander Masks:
- Jitter Transfer:
- Interesting how jitter transfer is calculated.
- CEI 56G MR PAM4 Medium Reach Interface
- For this interface the buad rate is in the range of [18 , 29] Gsym/s (from table 17.6)
- CRU = clock recovery unit
- The spec says that you need to test compliance at 5 points indicated by the blue x's above.
