MERIDIAN2-MIB :: gpsReceiverFaultNibble0Status

MIB Reference — IPNetwork Monitor · Updated October 02, 2026

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gpsReceiverFaultNibble0Status

Module: MERIDIAN2-MIB

OID (symbolic): MERIDIAN2-MIB::gpsReceiverFaultNibble0Status

OID (numeric): 1.3.6.1.4.1.13827.14.2.3

Node type: OBJECT-TYPE

Type: Bits

Access: read-only

Description: This is a bit string contained in one character representing the least significant nibble of the GPS receiver fault status word. Unfortunately, SNMP numbers the bits in the reverse order, so that the enumerated values are backwards from the description contained in the User's Manual for the fault status field returned by the cdmastat command. Each bit indicates a fault when set. Currently defined fault states encoded in this value:

Bit 3: GPS Receiver Main Oscillator Frequency Control DAC near high or low limit. Bit 2: Time Figure of Merit has been >= TFOM Fault Level for 1 hour. Bit 1: Field Programmable Gate Array (FPGA) Configuration Fault. Bit 0: FLASH Memory Write Fault.

What is gpsReceiverFaultNibble0Status?

A BITS value giving the least-significant nibble of the GPS receiver fault word: flash memory write fault, FPGA configuration fault, TFOM at or above the fault level for an hour, and the main oscillator DAC nearing its tuning limit, each bit set when that fault is active. An admin checks this alongside the other three receiver fault nibbles to pin down exactly which subsystem inside the GPS receiver is failing.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.13827.14.2.3
snmpwalk -v2c -c public <target> MERIDIAN2-MIB::gpsReceiverFaultNibble0Status

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.13827.14.2.3.1
snmpget -v2c -c public <target> MERIDIAN2-MIB::gpsReceiverFaultNibble0Status.1

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> gpsReceiverFaultNibble0Status.1

Start monitoring EndRun Technologies Meridian II GPS-disciplined time/frequency reference with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the MERIDIAN2-MIB::gpsReceiverFaultNibble0Status OID value, configure state conditions and alerts, and monitor any EndRun Technologies Meridian II GPS-disciplined time/frequency reference 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
1.3.6.1.4.1.13827endRunTechnologiesMIBENDRUNTECHNOLOGIES-MIB
Numeric OIDNameModule
1.3.6.1.4.1.13827.14meridian2GPSMERIDIAN2-MIB
1.3.6.1.4.1.13827.14.2gpsMERIDIAN2-MIB
1.3.6.1.4.1.13827.14.2.3gpsReceiverFaultNibble0StatusMERIDIAN2-MIB