AISPY-MIB :: aiSPYInput21State

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsAISPY-MIBaiSPYInput21State

aiSPYInput21State

Module: AISPY-MIB

OID (symbolic): AISPY-MIB::aiSPYInput21State

OID (numeric): 1.3.6.1.4.1.539.20.3.37.1

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-write

Description: The state of use of Input Number 21. This variable is stored in non-volatile memory.

What is aiSPYInput21State?

This is a read-write setting indicating whether input 21 has a digital normally-open or normally-closed contact installed. Digital inputs differ from analog, requiring different interpretation of signal state. Configuration allows the system to interpret contact closure correctly.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.539.20.3.37.1
snmpwalk -v2c -c public <target> AISPY-MIB::aiSPYInput21State

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.539.20.3.37.1.1
snmpget -v2c -c public <target> AISPY-MIB::aiSPYInput21State.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.539.20.3.37.1.1 i <value>

Start monitoring Applied Innovation security/access-control equipment (legacy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the AISPY-MIB::aiSPYInput21State OID value, configure state conditions and alerts, and monitor any Applied Innovation security/access-control equipment (legacy) from a single console.

OID Breakdown

Upper-level ancestors (7 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
1.3.6.1.4.1.539aiiAI198CLC-MIB
Numeric OIDNameModule
1.3.6.1.4.1.539.20aiSPYAISPY-MIB
1.3.6.1.4.1.539.20.3aiSPY8124AISPY-MIB
1.3.6.1.4.1.539.20.3.37aiSPYInput21AISPY-MIB
1.3.6.1.4.1.539.20.3.37.1aiSPYInput21StateAISPY-MIB