Il Alcatel 7300 ASAM (Advanced Services Access Manager), in its ATM A‑7300 UD configuration, is a carrier-class access multiplexer designed for broadband DSL deployments. It delivers high-density ADSL, G.shdsl, and VDSL services over existing copper loops with full ATM backbone integration, ideal for service providers targeting large-scale residential and enterprise connectivity.
Capable of supporting up to 12,000 DSL connections per node and densities of up to 384 lines per rack, the A-7300 UD provides exceptional scalability in a compact footprint. It interfaces with the network via STM-1, E3, or E1, and supports subtending architectures to extend reach.
Built on an ATM-based architecture, the platform delivers differentiated QoS per subscriber line, supporting multiple ATM traffic classes including CBR, rt/nrt‑VBR, UBR, UBR+, and GFR. Optional features like PVC/SVC multiplexing, IP multicast, MPLS interworking, and VPN support enable delivery of advanced value-added broadband services.
As a rugged and reliable platform, the 7300 ASAM operates in extreme environments, meets NEBS Level 3 and UL certification standards, and offers integrated test access and redundant operation modes. It can serve as a standalone DSLAM or as a host for remote units, supporting up to 5,000 lines per network interface with aggregation of remote ASAMs and mini-RAM modules.
High-Density DSL Access
Supports up to 12,000 DSL subscriber ports per node and up to 384 lines per rack, enabling large-scale broadband deployments.
ATM-Based Architecture
Provides full ATM switching and aggregation capabilities, supporting legacy and evolving broadband infrastructures.
Multi-DSL Technology Support
Compatible with ADSL, ADSL2, ADSL2+, G.shdsl, and VDSL, allowing flexible service offerings based on subscriber needs.
Quality of Service (QoS) Management
Supports multiple ATM traffic classes—CBR, rt/nrt-VBR, UBR, UBR+, and GFR—for traffic prioritization and SLA enforcement per subscriber line.
Flexible Backhaul Interfaces
Offers STM-1, E3, and E1 uplinks for integration into various core network configurations.
Subtending Architecture
Can aggregate traffic from multiple remote ASAMs or mini-RAMs, reducing cost and extending reach in dispersed deployments.
Advanced Service Capabilities
Supports features like IP multicast, PVC/SVC multiplexing, MPLS interworking, and VPN delivery for triple-play and business-grade services.
Affidabilità di livello carrier
NEBS Level 3 compliant with support for redundant power supplies, test access, and robust environmental protection for central office and remote site use.
Remote and Local Management
Fully manageable via CLI, SNMP, or network management platforms for provisioning, monitoring, and maintenance.
Compact and Scalable Design
Modular architecture with hot-swappable line cards enables easy scaling and service upgrades without downtime.
Il Alcatel 7300 ASAM ATM A‑7300 UD is a modular, high-density access platform designed for broadband DSL service delivery over ATM transport networks. It supports a wide range of DSL technologies, including ADSL, ADSL2, ADSL2+, G.shdsl, and VDSL, enabling operators to tailor service offerings based on user location, distance, and performance requirements.
Each shelf of the A‑7300 UD can accommodate a mix of line interface cards, providing up to 384 subscriber ports per rack, with total system scalability reaching 12,000 ports per node. The chassis supports hot-swappable line cards and includes options for redundant controller and power modules to ensure high availability.
The platform uses an ATM-based switching fabric and supports industry-standard uplink interfaces including STM-1 (OC-3), E3, and E1, allowing flexible backhaul connectivity to the core network. The system supports subtending configurations, aggregating multiple remote DSLAMs or mini-RAMs through fiber or copper, making it highly adaptable to both centralized and distributed deployments.
Each subscriber line supports per-port QoS enforcement with configurable ATM traffic classes such as CBR, VBR-rt/nrt, UBR, UBR+, and GFR. This ensures support for differentiated services including VoIP, video streaming, and business VPN access. The platform can handle PVC and SVC multiplexing, IP multicast, MPLS interworking, and L2TP tunneling, enabling value-added broadband and IPTV service delivery.
The A‑7300 UD operates in a wide range of environmental conditions and is NEBS Level 3 and UL compliant, with configurations suitable for both central office and remote node deployments. Power supply options include -48V DC, and the system is rack-mountable in ETSI- or ANSI-compliant frames.
Management is supported via CLI, SNMP, and Alcatel-Lucent’s centralized network management platforms, enabling end-to-end provisioning, fault monitoring, and performance analytics. Integrated test access, diagnostics, and alarms enhance operational efficiency and reduce downtime.
| Period | Owner / Marketer | Notes |
|---|---|---|
| Early 2000s – 2006 | Alcatel | Original development and launch of the A‑7300 series as part of Alcatel’s ASAM ATM DSLAM family, including HD and UD variants. |
| 2006 – 2016 | Alcatel‑Lucent | Continued marketing and support under the Alcatel‑Lucent brand following the merger, including firmware releases (e.g. R4.x, R4.5). |
| 2016 – Present | Nokia | After Nokia’s acquisition of Alcatel‑Lucent in 2016, the A‑7300 UD is maintained in Nokia’s legacy product portfolio with ongoing support, spares, and documentation. |
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