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8000-A2-GB26-10
January 1999
Hotwire DSLAM System
Description
1
What is the Hotwire DSLAM?
The Hotwiret Digital Subscriber Line Access Multiplexer (DSLAM) is a Digital
Subscriber Line (DSL) platform that houses a Management Communications
Controller (MCC) card and up to 18 DSL cards. These can be 8310 Multiple
Virtual Lines (MVLt) cards, 8510 Rate Adaptive Digital Subscriber Line (RADSL)
cards, or a combination of both.
NOTE:
All references to DSL cards refer to both the 8510 RADSL and 8310 MVL
cards, unless specifically noted otherwise.
The DSLAM interoperates with two types of Hotwire Service Nodes
(SNs)/endpoints to deliver applications at high speeds in support of packet
services over a DSL link.
H The 8310 MVL card interoperates with the Hotwire 6310 MVL modem.
H The 8510 RADSL card interoperates with the Hotwire 5620 RTU (Remote
Termination Unit).
The DSLAM is a set of central site products that terminate and consolidate packet
data traffic from many customers in a serving area. It then forwards the traffic to
one or more network access provider networks.
High-speed Internet and intranet access is bridged on the Layer 2 port cards and
multiplexed over backbone networks. By enabling very high speeds using DSL
technology and concentrating Internet Protocol (IP) traffic, greater performance is
realized.
In addition, the Hotwire DSLAM with an endpoint such as a 6310 MVL modem
and 5620 Service Node can co-exist with Plain Old Telephone Service (POTS)
over the same copper telephone line, providing simultaneous usage of POTS and
digital applications. That is, the optional central office (CO) POTS splitter and
customer premises POTS filter allow simultaneous voice and data connections
over a standard telephone line.