GEIST-V4-MIB :: t3hdSensorExtAAvail

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsGEIST-V4-MIBt3hdSensorExtAAvail

t3hdSensorExtAAvail

Module: GEIST-V4-MIB

OID (symbolic): GEIST-V4-MIB::t3hdSensorExtAAvail

OID (numeric): 1.3.6.1.4.1.21239.5.1.8.1.9

Node type: OBJECT-TYPE

Type: Gauge32

Access: read-only

Description: T3HD External A status: 0 = unplugged, 1 = normal operation, 2 = device error

What is t3hdSensorExtAAvail?

This read-only Gauge32 reports the status of the T3HD probe's external 'A' temperature point: 0 means unplugged, 1 means normal operation, and 2 means a device error. Check this before trusting t3hdSensorExtATemp — a value other than 1 means that external point's reading isn't reliable.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.21239.5.1.8.1.9
snmpwalk -v2c -c public <target> GEIST-V4-MIB::t3hdSensorExtAAvail

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.21239.5.1.8.1.9.1
snmpget -v2c -c public <target> GEIST-V4-MIB::t3hdSensorExtAAvail.1

Start monitoring Geist rack PDU / environmental monitoring appliance (V4 generation) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the GEIST-V4-MIB::t3hdSensorExtAAvail OID value, configure state conditions and alerts, and monitor any Geist rack PDU / environmental monitoring appliance (V4 generation) from a single console.

OID Breakdown

Upper-level ancestors (6 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
Numeric OIDNameModule
1.3.6.1.4.1.21239geistGEIST-V4-MIB
1.3.6.1.4.1.21239.5blackbirdGEIST-V4-MIB
1.3.6.1.4.1.21239.5.1bb100GEIST-V4-MIB
1.3.6.1.4.1.21239.5.1.8t3hdSensorTableGEIST-V4-MIB
1.3.6.1.4.1.21239.5.1.8.1t3hdSensorEntryGEIST-V4-MIB
1.3.6.1.4.1.21239.5.1.8.1.9t3hdSensorExtAAvailGEIST-V4-MIB