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Cisco 3700 Series  Cisco 3700 Series Products WIC-1ADSL 1-port ADSL WAN Interface Card
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The new, used or refurbished Cisco WIC-1ADSL you are interested in is a: 1-port ADSL WAN Interface Card.
The Cisco ADSL WAN interface cards are 1-port WAN interface cards (WIC) for
Cisco modular access routers. These cards provide high-speed ADSL digital data
transfer between a single customer premises equipment (CPE) subscriber and a
central office.
ADSL is a last-mile access technology that uses an asymmetrical data rate over a
single copper wire pair.
The ADSL WICs are available in two variations: ADSL over POTS (WIC-1ADSL), and
ADSL over ISDN WAN with Dying Gasp support (WIC-1ADSL-I-DG). The following
bullets summarize the features of each card:
Cisco WIC-1ADSL—Provides ADSL services over ordinary telephone lines. It is
compatible with the Alcatel Digital Subscriber Loop Access Multiplexer (DSLAM),
the Cisco 6260 DSLAM with Flexi-line cards, and the Cisco 6130 DSLAM with
Flexi-line cards.
Cisco WIC-1ADSL-I-DG—Provides ADSL services in areas of the world that have
extensive ISDN backbones already in place. It is compatible with ECI, Siemens,
Alcatel, and Cisco DSLAMs that support ISDN.
All Cisco ADSL WICs support Asynchronous Transfer Mode (ATM) Adaptation Layer 2
(AAL2) for the Cisco 2600, Cisco 3600, and Cisco 3700 series only, and AAL5 for
the those models as well as for the Cisco 1700. The cards support various
classes of Quality of Service (QoS) for both voice and data.
Benefits
Both Cisco ADSL WAN interface cards provide the following benefits:
- Enable business-class broadband service with voice integration, scalable
performance, flexibility, and security
- Aggregate both ADSL and other transport options into a single box
- Provide ADSL high-speed digital data transmissions between CPE and the
central office (CO)
- Support ATM AAL5 services and applications, ATM class of service (constant
bit rate [CBR], variable bit rate-nonreal time [VBR-NRT], variable bit
rate-real time [VBR-rt], and unspecified bit rate [UBR]), as well as up to 23
virtual circuits on a WIC in Cisco routers
- Provide ATM traffic management and QoS features to enable service
providers to manage their core ATM network infrastructure.
The following benefits are specific to each card:
- Cisco WIC-1ADSL—Supports and complies with ANSI T1.413 Issue 2, and ITU
G.992.1, Annex A (G.DMT for full-rate ADSL over POTS)
- Cisco WIC-1ADSL-I-DG—Allows the coexistence of ADSL and ISDN on the same
local loop; supports and complies with ITU G.992.1, Annex B (G.DMT for
full-rate ADSL over ISDN), ETSI 101-388, and the Deutsche Telekom U-R2
specification
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