OMNI-gx2Lm870C-MIB

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › OMNI-gx2Lm870C-MIB

Category: Cable/DOCSIS

Description: Handles the 870 MHz GX2 LM870C laser module from Cisco/Scientific-Atlanta as deployed in HFC optical nodes.

Start monitoring vendor-neutral, standards-based MIB, any SNMPv3-capable network device (SNMP engine identity/boot/clock status) 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.

What Is OMNI-gx2Lm870C-MIB?

OMNI-gx2Lm870C-MIB is a vendor MIB for the Cisco/Scientific-Atlanta GX2 LM870C, an 870 MHz laser transmitter module used in HFC optical nodes to convert RF signals to optical for fiber transport. It exposes module-specific configuration and status objects such as laser bias current, optical output power, and operating temperature relevant to the laser transmitter's health. Its principal use is monitoring the hardware status of the laser module, since laser bias drift, low optical output, or overtemperature readings are classic early indicators of laser aging or impending failure in optical nodes. It shares the common OMNI-gx2 chassis/module management framework with other GX2 modules such as the RF amplifier and RF switch MIBs. It is typically deployed in HFC optical node sites where laser transmitters feed fiber links back to the headend. Engineers can download the OMNI-gx2Lm870C-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in OMNI-gx2Lm870C-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

  • General Instrument OmniStar GX2 HFC headend/optical node (GX2 LM870C 870 MHz laser transmitter module)

Monitoring Examples

No sample object names were provided for this module; in practice an operator would poll the laser module's status objects for bias current, optical output power, and module temperature within the GX2 chassis tree. A steadily declining optical output power or rising bias current reading would reveal an aging or failing LM870C laser transmitter before a complete link failure occurs. As with sibling OMNI-gx2 MIBs, it is typically read alongside the chassis-level module inventory objects.

What Can Be Monitored

  • laser bias current
  • optical output power
  • module temperature
  • module operational status
Imported Objects

From GX2HFC-MIB

gx2Lm870COBJECT-IDENTITY

From NLS-BBNIDENT-MIB

giOBJECT-IDENTITY
motproxiesOBJECT-IDENTITY

From NLSBBN-TRAPS-MIB

trapChangedObjectIdOBJECT-TYPE
trapChangedValueDisplayStringOBJECT-TYPE
trapChangedValueIntegerOBJECT-TYPE
trapIdentifierOBJECT-TYPE
trapNETrapLastTrapTimeStampOBJECT-TYPE
trapNetworkElemAdminStateOBJECT-TYPE
trapNetworkElemAlarmStatusOBJECT-TYPE
trapNetworkElemAvailStatusOBJECT-TYPE
trapNetworkElemModelNumberOBJECT-TYPE
trapNetworkElemOperStateOBJECT-TYPE
trapNetworkElemSerialNumOBJECT-TYPE
trapPerceivedSeverityOBJECT-TYPE
trapTextOBJECT-TYPE

From RFC-1212

OBJECT-TYPE

From RFC-1215

TRAP-TYPE

From RFC1155-SMI

Counter

From RFC1213-MIB

DisplayString
sysUpTime
OIDs

RFC description

Manages the Cisco/Scientific-Atlanta GX2 LM870C 870 MHz laser module in HFC optical node deployments.

Start monitoring General Instrument OmniStar GX2 HFC headend/optical node (GX2 LM870C 870 MHz laser transmitter module) 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 OMNI-gx2Lm870C-MIB