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OL-12846-01
DSL Interface Cards
Revised: 6/7/07, OL-12846-01
Overview
This document describes Cisco digital subscriber line (DSL) interface cards and how to connect Cisco
DSL interface cards to a network. It contains the following sections:
• ADSL WICs, page 1
• G.SHDSL WICs, page 3
• G.SHDSL High Speed WICs (HWICs), page 6
• ADSL High Speed WICs (HWICs), page 7
• Cables, page 9
• Connecting a DSL Interface Card to the Network, page 9
• Using POTS Splitters and Microfilters with an ADSL-over-POTS WIC (WIC-1ADSL), page 14
• Related Documentation, page 18
• Obtaining Documentation, Obtaining Support, and Security Guidelines, page 19
For an overview of Cisco interface cards used for Cisco access routers see the Cisco Interface Cards for
Cisco Access Routers document.
ADSL WICs
The DSL wide area network (WAN) interface cards (WICs) support one DSL line between a single
customer premises equipment (CPE) subscriber and a central office.
Asymmetric digital subscriber line (ADSL) WICs are available in three variations:
• ADSL over POTS (WIC-1ADSL)
• ADSL over POTS with Dying Gasp support (WIC-1ADSL-DG)
• ADSL over ISDN with Dying Gasp support (WIC-1ADSL-I-DG)
The ADSL over POTS interface card is commonly used to provide ADSL services over ordinary
telephone lines. The ADSL-over-ISDN interface card is used to provide ADSL services in those areas
of the world that have extensive ISDN backbones already in place.
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