NSCRTV-FTTX-EPON-MIB

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › NSCRTV-FTTX-EPON-MIB

Description: Root MIB defining textual conventions, alarm codes, severity types, and alarm instance encoding for NSCRTV FTTx EPON OLT/ONU access network systems

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What Is NSCRTV-FTTX-EPON-MIB?

NSCRTV-FTTX-EPON-MIB is the vendor's root/foundation MIB module for its FTTx EPON access network product line, defining shared textual conventions, alarm codes, severity types, and the encoding scheme used to identify specific alarm instances across the rest of the NSCRTV EPON MIB family. Rather than exposing runtime counters directly, this module's role is structural: it establishes the common data types (alarm code enumerations, severity levels, alarm instance identifiers) that other NSCRTV MIBs (system, VLAN management, optical transmitter) reference when reporting faults. Its value for monitoring is therefore indirect but foundational to fault/software status monitoring, since it defines how alarm severity (e.g., critical/major/minor) and alarm type codes are represented so that OLT/ONU alarm conditions raised elsewhere in the MIB family can be interpreted consistently by a management system. It is explicitly a dependency root for the other NSCRTV-* EPON MIB modules in this batch (system, VLAN, optical transmitter), which import its textual conventions. It is deployed alongside the rest of the NSCRTV EPON OLT/ONU MIB suite on FTTx access network equipment. Engineers can download the NSCRTV-FTTX-EPON-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in NSCRTV-FTTX-EPON-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

  • NSCRTV EPON OLT/ONU FTTx access network equipment

Monitoring Examples

This module defines textual conventions (alarm/severity code types) rather than instantiable runtime objects or tables, so it is best understood as a conformance/definitions module; no sample objects were provided and none would be expected to represent a live monitoring scenario on their own. Other NSCRTV MIBs that import these alarm/severity types would be the ones actually polled or trapped for real fault conditions.

Imported Objects

From BRIDGE-MIB

BridgeId
Timeout

From SNMPv2-SMI

BITS
Counter32
Counter64
Gauge32
IpAddress
NOTIFICATION-TYPE
OBJECT-IDENTITY
OBJECT-TYPE
TimeTicks
Unsigned32
enterprises

From SNMPv2-TC

DateAndTime
DisplayString
MacAddress
RowStatus
TEXTUAL-CONVENTION
TimeStamp
TruthValue

How to Use in IPNetwork Monitor

Example using activeAlarmRepeats OID:

Select an NSCRTV EPON OLT/ONU FTTx access network equipment (shared alarm conventions) as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type activeAlarmRepeats into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. It reports the number of repeated alarms for this active alarm entry. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter32-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.
OIDs

RFC description

Management Information Base for EPON (Ethernet Passive Optical Network) fiber-to-the-x systems. Defines objects for managing ONU/ONT devices, optical power, signal quality, and EPON protocol parameters.

Start monitoring NSCRTV EPON OLT/ONU FTTx access network equipment (shared alarm conventions) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download NSCRTV-FTTX-EPON-MIB