{
  "title": "zte_gpon_olt_pon_los",
  "description": "ZTE GPON: OLT-side loss of signal on the PON port itself (not a single ONU) - zte.csv row 4. Built from the provided report, not yet verified against real device output.",
  "source": "rule \"zte_gpon_olt_pon_los\"\nwhen\n  contains(to_string($message.message), \"GPON\") && contains(to_string($message.message), \"link olt losi\") && !contains(to_string($message.message), \"cleared\")\nthen\n  set_field(\"vendor\", \"zte\");\n  set_field(\"pon_type\", \"gpon\");\n  set_field(\"event_type\", \"olt_pon_los\");\n  set_field(\"severity_tag\", \"warning\");\nend"
}