docsIfDownChannelModulation
The modulation type associated with this downstream channel. If the interface is down, this object either returns the configured value (CMTS), the most current value (CM), or the value of unknown(1). See the associated conformance object for write conditions and limitations. See the reference for specifics on the modulation profiles implied by qam64 and qam256.
Details
Possible values
| 1 | unknown |
| 2 | other |
| 3 | qam64 |
| 4 | qam256 |
| 5 | qam512 |
| 6 | qam1024 |
| 7 | qpsk |
| 8 | qam16 |
Reference
Document [25] from References, Table 6-14.
Table columns
7 objects| Oid | Name | Access | Type |
|---|---|---|---|
| 1.3.6.1.2.1.10.127.1.1.1.1.1 | docsIfDownChannelId | readonly | Unknown |
| 1.3.6.1.2.1.10.127.1.1.1.1.2 | docsIfDownChannelFrequency | readwrite | Unknown |
| 1.3.6.1.2.1.10.127.1.1.1.1.3 | docsIfDownChannelWidth | readwrite | Unknown |
| 1.3.6.1.2.1.10.127.1.1.1.1.4 | docsIfDownChannelModulation | readwrite | unknown(1), other(2), qam64(3), qam256(4), qam512(5), qam1024(6), qpsk(7), qam16(8) |
| 1.3.6.1.2.1.10.127.1.1.1.1.5 | docsIfDownChannelInterleave | readwrite | unknown(1), other(2), taps8Increment16(3), taps16Increment8(4), taps32Increment4(5), taps64Increment2(6), taps128Increment1(7), taps12increment17(8) |
| 1.3.6.1.2.1.10.127.1.1.1.1.6 | docsIfDownChannelPower | readwrite | TenthdBmV |
| 1.3.6.1.2.1.10.127.1.1.1.1.7 | docsIfDownChannelAnnex | readonly | unknown(1), other(2), annexA(3), annexB(4), annexC(5) |
Used by conformance groups
1 objects- 1.3.6.1.2.1.10.127.3.2.1 docsIfBasicGroup