All MIBs › ASKEY-ADSL-MIB › adslLoopDiagResultDsQuietLinePsdN
adslLoopDiagResultDsQuietLinePsdN
Module: ASKEY-ADSL-MIB
OID (symbolic): ASKEY-ADSL-MIB::adslLoopDiagResultDsQuietLinePsdN
OID (numeric): 1.3.6.1.4.1.3646.1300.2.2.1.4.18
Node type: OBJECT-TYPE
Type: OCTET STRING
Access: read-only
Description: This object provides an array of downstream quiet line noise PSD n. The n of subcarrier(i) is Octect(i), i=0~511. To get real value of QLN(f), it is caculated as (-23-n(i)/2). A special value 255 indicates that no measurement could be done for the subcarrier because it is out of the passband or that the noise PSD is out of range to be represented.
What is adslLoopDiagResultDsQuietLinePsdN?
This read-only 512-octet array measures downstream noise per 512 subcarriers. Each byte encodes noise level; 255 indicates unmeasurable. Values guide bit loading strategy.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.3646.1300.2.2.1.4.18 snmpwalk -v2c -c public <target> ASKEY-ADSL-MIB::adslLoopDiagResultDsQuietLinePsdN
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.3646.1300.2.2.1.4.18.1 snmpget -v2c -c public <target> ASKEY-ADSL-MIB::adslLoopDiagResultDsQuietLinePsdN.1
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OID Breakdown
Upper-level ancestors (9 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.3646 | askey | ASKEY-DSLAM-MIB |
| 1.3.6.1.4.1.3646.1300 | asd300 | ASKEY-DSLAM-MIB |
| 1.3.6.1.4.1.3646.1300.2 | ipDslam | ASKEY-DSLAM-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.3646.1300.2.2 | askeyADSLMib | ASKEY-ADSL-MIB |
| 1.3.6.1.4.1.3646.1300.2.2.1 | askeyADSLMibObjects | ASKEY-ADSL-MIB |
| 1.3.6.1.4.1.3646.1300.2.2.1.4 | adslLoopDiagObjects | ASKEY-ADSL-MIB |
| 1.3.6.1.4.1.3646.1300.2.2.1.4.18 | adslLoopDiagResultDsQuietLinePsdN | ASKEY-ADSL-MIB |