J'aurais souhaité savoir si c'est normal que dans la partie "Upstream", j'ai 1 niveau sur 4 qui est sur "Not Locked - Unknow" ?

D'avance un tout grand merci pour vos informations

Downstream Bonded Channels
Lock Status Modulation Channel ID Symbol rate Frequency Rx SNR Docsis/EuroDocsis locked
Locked QAM256 34 5360537 sym/sec 418000000 Hz -0.7 dBmV 40.0 dBmV EuroDocsis
Locked QAM256 33 5360537 sym/sec 410000000 Hz -1.2 dBmV 40.1 dBmV EuroDocsis
Locked QAM256 35 5360537 sym/sec 426000000 Hz -0.9 dBmV 40.4 dBmV EuroDocsis
Locked QAM256 36 5360537 sym/sec 434000000 Hz -0.3 dBmV 40.4 dBmV EuroDocsis
Locked QAM256 37 5360537 sym/sec 442000000 Hz -0.7 dBmV 40.3 dBmV EuroDocsis
Locked QAM256 38 5360537 sym/sec 450000000 Hz 0.1 dBmV 40.6 dBmV EuroDocsis
Locked QAM256 39 5360537 sym/sec 458000000 Hz -0.7 dBmV 39.8 dBmV EuroDocsis
Locked QAM256 40 5360537 sym/sec 466000000 Hz -0.1 dBmV 40.3 dBmV EuroDocsis
Upstream Bonded Channels
Lock Status Modulation Channel ID Symbol Rate Frequency Tx
Locked ATDMA 8 5120 Ksym/sec 49000000 Hz 40.7 dBmV
Locked ATDMA 6 5120 Ksym/sec 61800000 Hz 41.4 dBmV
Locked ATDMA 7 5120 Ksym/sec 55400000 Hz 40.9 dBmV
Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV