ASCEND-ADSL-CAP-MIB

Description: Manages ADSL CAP (Carrierless Amplitude Phase) line configuration and performance on Ascend equipment.

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ASCEND-ADSL-CAP-MIB is a vendor-specific MIB from Ascend Communications for managing ADSL lines using the CAP (Carrierless Amplitude Phase) modulation scheme on Ascend DSL access equipment, a technology used before DMT became the dominant ADSL standard. It is intended to expose per-line configuration (target data rates, margins) and performance/status objects for CAP-modulated ADSL circuits, consistent with the era's DSL line-management MIBs. Its monitoring focus is physical-layer hardware/line status: detecting sync loss, signal-to-noise margin degradation, or attenuation on a DSL loop that would explain a subscriber's connectivity or speed problems. It parallels the structure of early ADSL line MIBs (predecessors to the standardized ADSL-LINE-MIB) for CAP-specific line parameters. It was deployed on Ascend DSLAM/access-concentrator equipment at telco central offices during early ADSL rollouts. Engineers can download the ASCEND-ADSL-CAP-MIB file directly to load it into their MIB browser.

No sample objects were provided for this legacy module. Based on its stated purpose, an administrator would typically poll per-line signal quality objects such as signal-to-noise margin and line attenuation to determine why a CAP-ADSL subscriber loop is running below its provisioned rate. A line reporting persistent loss-of-sync events would point to a physical wiring or CO-equipment fault needing dispatch.

Manages ADSL CAP interface status, line parameters, firmware versions, and connection rates for Ascend devices.