All MIBs › ADSL2-LINE-MIB › adsl2LineStatusActPsdDs
adsl2LineStatusActPsdDs
Module: ADSL2-LINE-MIB
OID (symbolic): ADSL2-LINE-MIB::adsl2LineStatusActPsdDs
OID (numeric): 1.3.6.1.2.1.10.238.1.1.1.1.22
Node type: OBJECT-TYPE
Type: Integer32
Access: read-only
Description: Actual Power Spectrum Density (PSD) Downstream. The average downstream transmit PSD over the sub-carriers used for downstream. It ranges from -900 to 0 units of 0.1 dB (physical values are -90 to 0 dBm/Hz). A value of 0x7FFFFFFF (2147483647) indicates the measurement is out of range to be represented.
What is adsl2LineStatusActPsdDs?
This OID stores the actual power spectrum density transmitted downstream in units of 0.1 dB (physical range -90 to 0 dBm/Hz), showing how the modem spreads its transmission power across frequency sub-carriers. Engineers monitor this to ensure compliance with emissions regulations and to detect unusual power allocation patterns that may indicate hardware failure. A reading of -450 means -45 dBm/Hz average power, which is typical for ADSL.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.2.1.10.238.1.1.1.1.22 snmpwalk -v2c -c public <target> ADSL2-LINE-MIB::adsl2LineStatusActPsdDs
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.2.1.10.238.1.1.1.1.22.1 snmpget -v2c -c public <target> ADSL2-LINE-MIB::adsl2LineStatusActPsdDs.1
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OID Breakdown
Upper-level ancestors (7 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 |
| 1.3.6.1.2 | mgmt | AXON-MIB |
| 1.3.6.1.2.1 | mib_2 | AXON-MIB |
| 1.3.6.1.2.1.10 | transmission | CHECKPOINT-MIB-2 |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.2.1.10.238 | adsl2MIB | ADSL2-LINE-MIB |
| 1.3.6.1.2.1.10.238.1 | adsl2 | ADSL2-LINE-MIB |
| 1.3.6.1.2.1.10.238.1.1 | adsl2Line | ADSL2-LINE-MIB |
| 1.3.6.1.2.1.10.238.1.1.1 | adsl2LineTable | ADSL2-LINE-MIB |
| 1.3.6.1.2.1.10.238.1.1.1.1 | adsl2LineEntry | ADSL2-LINE-MIB |
| 1.3.6.1.2.1.10.238.1.1.1.1.22 | adsl2LineStatusActPsdDs | ADSL2-LINE-MIB |