1. Hotwire DSL System Description
8000-A2-GB26-50 April 2001 1-3
Hotwire DSL System Components
The DSL system consists of a chassis that houses a Management
Communications Controller (MCC) card and up to 18 DSL cards. The Hotwire
8620 and 8820 GranDSLAM chassis can also house a Shelf Concentration
Module (SCM) card, depending on the application. See the

Hotwire Shelf

Concentration Module (SCM) Card User’s Guide

for more i nformat ion.
NOTE:
All references to MCC cards in this document refer to the MCC, MCP and
MCC Plus cards, unless specifically noted otherwise.

DSL Cards

DSL cards is a generic term used in this document for a variety of types of li ne
cards.
DSL line cards with an Ethernet uplink consist of the following:
8303 24-port Integrated Services Digital Network Digital Subs criber Line
(IDSL) cards.
8310 4-port Multiple Virtual Lines (MVL) cards.
8510 4-port Rate Adaptive Digital Subscriber Line (RADSL) cards
8312 12-port MVL or ReachDSL/MVL cards.
8343 24-port Symmetric Digital Subscriber Line (SDSL) c ards.
8373 12-port RADSL cards.
DSL line cards with an ATM uplink consist of the following:
8304 24-port IDSL cards.
8314 12-port MVL or ReachDSL/MVL cards.
8344 24-port SDSL cards.
8374 12-port RADSL cards.
In addition, the following cards are also supported in the Hotwire chassis:
Model 8335 and 8365 ATM Line cards.
Time Division Multiplexer Symmetric Digital Subscriber Line (TDM SDSL)
cards.
NOTE:
All references to DSL cards in this document refer to the RADSL, MVL,
ReachDSL/MVL, IDSL, and SDSL cards, unless specifically noted otherwise.
The ATM and TDM SDSL line cards are not within the scope of this document.