Primary rate interface

{
  "id": "MLC-T-IND-004502",
  "term": "Primary rate interface",
  "field": "Industrial and trades",
  "definition": "An Integrated Services Digital Network (ISDN) telecommunication standard for carrying multiple voice and data transmissions between a network and a user. A primary rate interface circuit consists of multiple channels on a single line, connecting private branch exchanges to the public switched telephone network. In North America and Japan, a PRI T1 line provides 23 bearer channels and one data channel, while the European E1 standard provides 30 bearer channels and one data channel.",
  "synonyms": [
    "PRI"
  ],
  "subject": "Electrical engineering",
  "see_also": [
    "PRI"
  ],
  "translations": {
    "de": "Primary Rate Interface",
    "es": "interfaz de velocidad primaria",
    "fr": "interface de débit primaire"
  },
  "url": "https://mlchart.com/terminology/industrial/primary-rate-interface/"
}