JCImSeries-MIB :: opcChangeMask

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsJCImSeries-MIBopcChangeMask

opcChangeMask

Module: JCImSeries-MIB

OID (symbolic): JCImSeries-MIB::opcChangeMask

OID (numeric): 1.3.6.1.4.1.4399.2.1.10.2.32

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: A set of bit flags indicating which properties of the alarm or event have changed: Bit 0 set = active state of the alarm. Bit 1 set = alarm has been acknowledged. Bit 2 set = alarm condition has been enabled or disabled. Bit 4 set = the quality of the data the alarm is based upon, has changed. Bit 5 set = the severity of the alarm has changed. Bit 6 set = the alarm has changed to another subcondition. Bit 7 set = the alarm message has changed. Bit 8 set = an attribute of the alarm has changed.

What is opcChangeMask?

Read-only INTEGER (0-512) trap attribute encoding as bit flags which properties of the alarm changed - e.g. bit 0 for active state, bit 1 for acknowledged, bit 5 for severity change - giving a compact machine-readable diff of what changed on this event.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4399.2.1.10.2.32
snmpwalk -v2c -c public <target> JCImSeries-MIB::opcChangeMask

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4399.2.1.10.2.32.1
snmpget -v2c -c public <target> JCImSeries-MIB::opcChangeMask.1

Start monitoring Johnson Controls Metasys iSeries building automation controller with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the JCImSeries-MIB::opcChangeMask OID value, configure state conditions and alerts, and monitor any Johnson Controls Metasys iSeries building automation controller from a single console.

OID Breakdown

Upper-level ancestors (10 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
1.3.6.1.4.1.4399johnsonControlsIncJohnsonControlsInc-MIB
1.3.6.1.4.1.4399.2jciControlsGroupJohnsonControlsInc-MIB
1.3.6.1.4.1.4399.2.1cgProductsJCIControlsGroup-MIB
1.3.6.1.4.1.4399.2.1.10mSeriesJCIControlsGroup-MIB
Numeric OIDNameModule
1.3.6.1.4.1.4399.2.1.10.2opcTypesJCImSeries-MIB
1.3.6.1.4.1.4399.2.1.10.2.32opcChangeMaskJCImSeries-MIB