All MIBs › TPLINK-DDMVOLTHRESHOLD-MIB
Organization: TPLINK
Last Updated: 2009-08-27
Category: Optical Transceiver Diagnostics
Description: Manages TP-Link switch DDM optical transceiver supply voltage alarm and warning threshold configuration.
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 TPLINK-DDMVOLTHRESHOLD-MIB?
TPLINK-DDMVOLTHRESHOLD-MIB is a vendor-specific TP-Link MIB for configuring Digital Diagnostic Monitoring (DDM) supply voltage alarm and warning thresholds on optical transceivers (SFP/SFP+ modules) installed in TP-Link switches. It exposes threshold configuration objects rather than live measurement counters, since real-time optical voltage readings are typically reported through a companion DDM status MIB. It supports hardware health monitoring indirectly: by setting appropriate thresholds here, the device can raise alarms or traps when a transceiver's supply voltage drifts out of tolerance, which is an early indicator of a failing optical module or a power delivery problem. It depends on a companion DDM monitoring MIB (typically covering temperature, voltage, bias current, and optical power readings) for the actual measured values compared against these thresholds. It is deployed on TP-Link managed switches equipped with SFP/SFP+ optical ports in enterprise or SMB network environments. Engineers can download the TPLINK-DDMVOLTHRESHOLD-MIB file directly to load it into their MIB browser.
IPNetwork Monitor allows you to monitor SNMP objects defined in TPLINK-DDMVOLTHRESHOLD-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
- TP-Link managed switch with SFP/SFP+ optical ports
Monitoring Examples
No object names were provided in sample_objects for this module, but based on its module description (config of DDM voltage threshold), a realistic scenario is an admin setting per-port high/low voltage alarm and warning thresholds and then relying on a companion DDM status or trap MIB to be notified when a transceiver's measured supply voltage crosses one of these configured limits, flagging a degrading optical module's power regulator before the link fails outright.
What Can Be Monitored
- DDM voltage alarm threshold configuration
- DDM voltage warning threshold configuration
- per-port optical transceiver voltage threshold settings
Imported Objects
From RFC1213-MIB
| ifIndex |
From SNMPv2-SMI
| MODULE-IDENTITY | |
| OBJECT-TYPE |
From SNMPv2-TC
| DisplayString |
From TPLINK-DDMMANAGE-MIB
| tplinkDdmManageMIBObjects | OBJECT-IDENTITY |
OIDs
RFC description
TP-Link proprietary MIB for configuring Digital Diagnostic Monitoring (DDM) voltage threshold alarms and warnings on SFP transceiver ports in TP-Link network switches.
Start monitoring TP-Link managed switch with SFP/SFP+ optical ports (DDM voltage-threshold config 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.