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4. 7300 ASAM

The Alcatel-Lucent 7300 ATM Subscriber Access Multiplexer (ASAM) is an access system for any ATM–based Broadband ISDN (BB–ISDN) switching fabric. The system delivers POTS and ADSL services to subscribers over the widely installed single metallic pair subscriber loop base.

The 7300 ASAM is the successor to the 1000 ASAM and it offers performance, power, density and scalability, with support for splitterless full-rate and G.Lite ADSL, as well as HDSL-2 and G.shdsl. Temperature-hardened and UL-listed, the 7300 ASAM allows service providers to reach all potential DSL customers - whether served by a central office or a remote facility like a digital loop carrier (DLC) or multi-dwelling unit (MDU).

The 7300 ASAM features a wide variety of interfaces. They include DSL interfaces (asymmetric DSL (ADSL), G.lite and g.SHDSL), network interfaces (DS3, OC-3, and 10/100Base-T), and subtending interfaces (DS1 inverse multiplexing over ATM (IMA), DS3 and OC-3) and offers a port density of up to 24 lines per card. The 7300 ASAM scales to 5,000 lines per network interface. The advanced features of the 7300 ASAM include support of virtual circuit (VC) aggregation, switched virtual circuits (SVCs), IP multicast, virtual private networks (VPNs), multiprotocol label switching (MPLS), and multiple levels of ATM QoS.

The 7300 ASAM is a true carrier class device, offering integrated test access and redundancy. It can operate in extreme temperatures and is listed with Underwriters Laboratories (UL). The 7300 ASAM can contain as few as 12 DSL lines, or as many as 2,592 lines sharing a common network interface. This number can go up to 5,000 by subtending shelves. An 7300 ASAM can manage the Remote Access Multiplexer (RAM), other 7300 ASAMs, and the 1000 Mini-Remote Access Multiplexer (Mini-RAM). This extends the reach and capabilities of DSL to remote customers and increases the number of customers served by a single network interface.