Multifield descriptor for a pilot tone detector element.
Tone level threshold in dB.
Frequency of the measured tone (in Hz).
Poll interval in milliseconds.
OCP.1 Encoding
| Field | Basic type | Byte Length |
| Threshold.Value.Value | OcaFloat32 | 4 |
| Threshold.Ref.Value.Value | OcaFloat32 | 4 |
| Frequency.Hz | OcaFloat32 | 4 |
| PollInterval.Period | OcaUint32 | 4 |