{
  "legacy": {
    "write_offset": {
      "new": "-12, +2",
      "old": "+2"
    }
  },
  "ring_codes": {
    "new": "PSRM-010870\tG4 1A 10 IFPI L424 IFPI 7207\nPSRM-040870\t2\nPSRM-010870\tH4 1A 22 IFPI L424 IFPI 72014",
    "old": "PSRM-010870\tG4 1A 10 IFPI L424 IFPI 7207\nPSRM-040870\t2"
  }
}