CmDsOfdmFecSummary — downstream OFDM FEC summary

Parser and helper for DOCSIS downstream OFDM forward error correction (FEC) summary records.

Module location src/pypnm/pnm/parser/CmDsOfdmFecSummary.py

Inputs

• Raw binary payload captured via the FEC summary endpoint.
• Optional scaling/rounding parameters (defaults match CableLabs specs).

Outputs

CmDsOfdmFecSummaryModel provides:

• header: capture metadata (timestamp, profile ID, codeword counts).
• summary: per-profile counters for corrected/uncorrectables, codeword totals, and error ratios.

Usage

from pathlib import Path
from pypnm.pnm.parser.CmDsOfdmFecSummary import CmDsOfdmFecSummary

payload = Path("fec_summary.bin").read_bytes()
fec = CmDsOfdmFecSummary(payload)

summary = fec.get_summary()