TN-ENTITY-SENSOR-MIB :: tnEntSensorExtRelayInstalled

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › TN-ENTITY-SENSOR-MIB › tnEntSensorExtRelayInstalled

tnEntSensorExtRelayInstalled

Module: TN-ENTITY-SENSOR-MIB

OID (symbolic): TN-ENTITY-SENSOR-MIB::tnEntSensorExtRelayInstalled

OID (numeric): 1.3.6.1.4.1.868.2.5.6.1.1.1.1.1

Node type: OBJECT-TYPE

Type: TruthValue

Access: read-only

Description: This variable indicates if the relay contact is installed on the power supply module or not.

What is tnEntSensorExtRelayInstalled?

This TruthValue indicates whether a relay contact is physically installed on this power supply module. An admin checks it before trying to enable the relay via tnEntSensorExtRelayEnabled, since attempting to enable a relay that isn't installed would be meaningless. For example, a value of false(2) on a given entPhysicalIndex tells the admin that module has no relay hardware to wire an external alarm indicator to.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.868.2.5.6.1.1.1.1.1
snmpwalk -v2c -c public <target> TN-ENTITY-SENSOR-MIB::tnEntSensorExtRelayInstalled

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.868.2.5.6.1.1.1.1.1.1
snmpget -v2c -c public <target> TN-ENTITY-SENSOR-MIB::tnEntSensorExtRelayInstalled.1

Start monitoring Transition Networks managed Ethernet switches, media converters with power/fan monitoring (sensor presence/alarm-threshold status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the TN-ENTITY-SENSOR-MIB::tnEntSensorExtRelayInstalled OID value, configure state conditions and alerts, and monitor any Transition Networks managed Ethernet switches, media converters with power/fan monitoring (sensor presence/alarm-threshold status) from a single console.

OID Breakdown

Upper-level ancestors (9 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
1.3.6.1.4.1.868transitionTRANSITION-SMI
1.3.6.1.4.1.868.2productsTRANSITION-SMI
1.3.6.1.4.1.868.2.5tnProductsTRANSITION-SMI
Numeric OIDNameModule
1.3.6.1.4.1.868.2.5.6tnEntitySensorMIBTN-ENTITY-SENSOR-MIB
1.3.6.1.4.1.868.2.5.6.1tnEntitySensorMIBObjectsTN-ENTITY-SENSOR-MIB
1.3.6.1.4.1.868.2.5.6.1.1tnEntSensorValuesTN-ENTITY-SENSOR-MIB
1.3.6.1.4.1.868.2.5.6.1.1.1tnEntSensorExtTableTN-ENTITY-SENSOR-MIB
1.3.6.1.4.1.868.2.5.6.1.1.1.1tnEntSensorExtEntryTN-ENTITY-SENSOR-MIB
1.3.6.1.4.1.868.2.5.6.1.1.1.1.1tnEntSensorExtRelayInstalledTN-ENTITY-SENSOR-MIB