1. About the ATM Line Cards
1-2
August 2005
8900-A2-GB20-50
ATM Line Card Features
The ATM Line Cards have these standard features:
Alarm indication.
Activates front panel LEDs.
Diagnostics.
Provides lamp test and SHDSL line loopback (8985).
Device and test monitoring.
Provides the capability of tracking and
evaluating the unit’s operation, including health and status, and error-rate
monitoring.
Software upgrade.
Supports software upgrades using FTP.
ATM Features
The cards’ ATM features include:
Classes of service.
Supports traffic management service categories
necessary to support voice and data applications:
— CBR
— rt-VBR
— nrt-VBR
— UBR (only class of service supported for the Model 8955)
Auto configuration.
Two Virtual Channel Connections (VCCs) per port are
automatically configured, providing data and voice services.
Multiple virtual circuits.
Up to 250 additional VCCs can be configured by the
user and assigned among the DSL ports.
ATM statistics.
Maintains statistics for:
— Total cells received
— Total cells transmitted
— Total cells dropped
— Loss of cell delineation events
— Cells with uncorrectable HEC
Endpoint Support Features
The cards’ endpoint support features include:
Third-party endpoint support.
Models 8965, 8968, 8975, and 8985 line
cards support third-party endpoints through the Hotwire Connected program,
including Integrated Access Devices (IADs) and data-only endpoints from
numerous industry-leading vendors. The Model 8985 card supports third-party
endpoints using the ITU SHDSL standard.
