Paradyne Hotwire 8335, Руководство пользователя

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1. About the ATM Line Cards
8335-A2-GB20-A0 March 2005
1-3
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 8355)
„
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 corrected Header Error Control (HEC; Model 8335 only)
— Cells with uncorrectable HEC
Endpoint Support Features
The cards’ endpoint support features include:
„
Third-party endpoint support. The Models 8335, 8365, 8375, and 8385 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 8385 card supports third-party
endpoints using the ITU SHDSL standard. A list of Paradyne’s SHDSL
partners is available on the World Wide Web at
www.paradyne.com . Select
Partners
→
Hotwire Connected Interoperability Program .
„
Model 6381 Modem support. Model 8355, 8365, and 8375 line cards support
the Model 6381 bridge/router.
„
Model 6390 Modem support. Model 8355 and 8375 line cards support the
Hotwire Model 6390 modem.
„
Automatic rate adaptation. The card and the endpoint negotiate the best
rate, limited if desired by the user, through automatic rate adaptation. For
2B1Q (Model 8335) the Conexant AutoBaud algorithm is used.