All MIBs › TRANGO-APEX-MODEM-MIB
Category: Wireless Backhaul
Description:
Manages Trango Apex wireless backhaul modem modulation, frequency, and RF link parameters.
Imported Objects
From SNMPv2-CONF
| MODULE-COMPLIANCE |
From SNMPv2-SMI
| IpAddress | |
| Opaque |
From SNMPv2-TC
| DisplayString |
From TRANGO-APEX-MIB
| MODULE-IDENTITY | |
| NOTIFICATION-TYPE | |
| OBJECT-IDENTITY | |
| OBJECT-TYPE | |
| Unsigned32 | |
| apex | OBJECT-IDENTITY |
What Is TRANGO-APEX-MODEM-MIB?
TRANGO-APEX-MODEM-MIB is a Trango Systems MIB covering the modem/RF subsystem of the Apex family of point-to-point wireless backhaul radios. It exposes radio link performance data such as bit error rate, mean square error, frame error rate, demodulator lock states, and adaptive coding/modulation (ACM) profile settings. Its primary monitoring value is hardware/link-quality status: operators watch the lock indicators and error-rate counters to detect a microwave link that is losing synchronization or degrading due to weather, interference, or misalignment. As a vendor-specific radio MIB it has no dependency on standard IETF MIBs beyond basic SNMP conventions, but it is used alongside TRANGO-APEX-SYS-MIB for a full device picture. It is deployed on Trango Apex wireless backhaul links used by wireless ISPs and cellular backhaul operators for point-to-point microwave connectivity, and technicians commonly start with a TRANGO-APEX-MODEM-MIB download to load these objects into their monitoring platform.
IPNetwork Monitor allows you to monitor SNMP objects defined in TRANGO-APEX-MODEM-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.
What Can Be Monitored
- bit error rate (BER)
- mean square error (MSE)
- frame error rate (FER)
- modem lock status (timing/preamble/LDPC)
- adaptive coding modulation (ACM) profile
- loopback mode
Supported Devices
- Trango Systems Apex wireless backhaul radio/modem
Monitoring Examples
Polling modemBER, modemMSE, and modemFER yields the current bit error rate, mean square error, and frame error rate of the radio link, while modemLockStatus, modemTimingLock, modemPreambleLock, and modemLdpcLock indicate whether the demodulator has achieved and maintained synchronization. A sudden loss of modemLdpcLock or a spike in modemBER signals a degrading microwave link that likely needs realignment or interference troubleshooting, and modemACMEnable together with modemACMProfileQPSKEnable shows whether adaptive modulation has stepped down to a more robust, lower-throughput profile in response.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| modem | 1.3.6.1.4.1.5454.1.60.2 | |||
| INT modemLoopbackMode | 1.3.6.1.4.1.5454.1.60.2.1 | INTEGER | read-write | Set/Display the Loopback Mode |
| INT modemDataPattern | 1.3.6.1.4.1.5454.1.60.2.2 | INTEGER | read-write | Set/Display the current Loopback Pattern (source) |
| STR modemBER | 1.3.6.1.4.1.5454.1.60.2.3 | DisplayString | read-only | Read current Bit Error Rate |
| INT modemMSE | 1.3.6.1.4.1.5454.1.60.2.4 | INTEGER | read-only | Read current Mean Squared Error |
| STR modemFER | 1.3.6.1.4.1.5454.1.60.2.5 | DisplayString | read-only | Read current Mean Squared Error |
| lock | 1.3.6.1.4.1.5454.1.60.2.6 | |||
| INT modemLockStatus | 1.3.6.1.4.1.5454.1.60.2.6.1 | INTEGER | read-only | Read current Internal Automatic Gain Correction |
| INT modemTimingLock | 1.3.6.1.4.1.5454.1.60.2.6.2 | INTEGER | read-only | Indicate RX Timing Lock status |
| INT modemPreambleLock | 1.3.6.1.4.1.5454.1.60.2.6.3 | INTEGER | read-only | Indicate Preamble Lock status |
| INT modemLdpcLock | 1.3.6.1.4.1.5454.1.60.2.6.4 | INTEGER | read-only | Indicate LDPC Lock status |
| INT modemReserved | 1.3.6.1.4.1.5454.1.60.2.6.5 | INTEGER | read-only | Reserved |
| acm | 1.3.6.1.4.1.5454.1.60.2.7 | |||
| INT modemACMEnable | 1.3.6.1.4.1.5454.1.60.2.7.1 | INTEGER | read-write | Enable/Disable Adaptive Modulation feature |
| acmprofile | 1.3.6.1.4.1.5454.1.60.2.7.2 | |||
| INT modemACMProfileQPSKEnable | 1.3.6.1.4.1.5454.1.60.2.7.2.1 | INTEGER | read-write | Enable/Disable ACM QPSK profile |
| INT modemACMProfileQAM16Enable | 1.3.6.1.4.1.5454.1.60.2.7.2.2 | INTEGER | read-write | Enable/Disable ACM QAM16 profile |
| INT modemACMProfileQAM32Enable | 1.3.6.1.4.1.5454.1.60.2.7.2.3 | INTEGER | read-write | Enable/Disable ACM QAM32 profile |
| INT modemACMProfileQAM64Enable | 1.3.6.1.4.1.5454.1.60.2.7.2.4 | INTEGER | read-write | Enable/Disable ACM QAM64 profile |
| INT modemACMProfileQAM128Enable | 1.3.6.1.4.1.5454.1.60.2.7.2.5 | INTEGER | read-write | Enable/Disable ACM QAM128 profile |
| INT modemACMProfileQAM256Enable | 1.3.6.1.4.1.5454.1.60.2.7.2.6 | INTEGER | read-write | Enable/Disable ACM QAM256 profile |
| acmMSEImprove | 1.3.6.1.4.1.5454.1.60.2.7.3 | |||
| OPA modemACMQPSKMSEImprove | 1.3.6.1.4.1.5454.1.60.2.7.3.1 | Opaque | read-write | MSE Improve threshold for QPSK profile |
| OPA modemACMQAM16MSEImprove | 1.3.6.1.4.1.5454.1.60.2.7.3.2 | Opaque | read-write | MSE Improve threshold for QAM16 profile |
| OPA modemACMQAM32MSEImprove | 1.3.6.1.4.1.5454.1.60.2.7.3.3 | Opaque | read-write | MSE Improve threshold for QAM32 profile |
| OPA modemACMQAM64MSEImprove | 1.3.6.1.4.1.5454.1.60.2.7.3.4 | Opaque | read-write | MSE Improve threshold for QAM64 profile |
| OPA modemACMQAM128MSEImprove | 1.3.6.1.4.1.5454.1.60.2.7.3.5 | Opaque | read-write | MSE Improve threshold for QAM128 profile |
| OPA modemACMQAM256MSEImprove | 1.3.6.1.4.1.5454.1.60.2.7.3.6 | Opaque | read-write | MSE Improve threshold for QAM256 profile |
| acmMSEDegrade | 1.3.6.1.4.1.5454.1.60.2.7.4 | |||
| OPA modemACMQPSKMSEDegrade | 1.3.6.1.4.1.5454.1.60.2.7.4.1 | Opaque | read-write | MSE Degrade threshold for QPSK profile |
| OPA modemACMQAM16MSEDegrade | 1.3.6.1.4.1.5454.1.60.2.7.4.2 | Opaque | read-write | MSE Degrade threshold for QAM16 profile |
| OPA modemACMQAM32MSEDegrade | 1.3.6.1.4.1.5454.1.60.2.7.4.3 | Opaque | read-write | MSE Degrade threshold for QAM32 profile |
| OPA modemACMQAM64MSEDegrade | 1.3.6.1.4.1.5454.1.60.2.7.4.4 | Opaque | read-write | MSE Degrade threshold for QAM64 profile |
| OPA modemACMQAM128MSEDegrade | 1.3.6.1.4.1.5454.1.60.2.7.4.5 | Opaque | read-write | MSE Degrade threshold for QAM128 profile |
| OPA modemACMQAM256MSEDegrade | 1.3.6.1.4.1.5454.1.60.2.7.4.6 | Opaque | read-write | MSE Degrade threshold for QAM256 profile |
| profile | 1.3.6.1.4.1.5454.1.60.2.8 | |||
| INT modemACMTxProfile | 1.3.6.1.4.1.5454.1.60.2.8.1 | INTEGER | read-write | ACM Tx Profile |
| INT modemACMRxProfile | 1.3.6.1.4.1.5454.1.60.2.8.2 | INTEGER | read-write | ACM Rx Profile |
RFC description
Provides loopback and bit error rate testing for Trango PVG310 wireless modems.
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