Cisco Cisco VN 2900 Network Adaptation Interface

Ensure that you have the appropriate Cisco access router to serve as the host router. 
The following Cisco access routers support Cisco G.SHDSL HWICs.

Cisco 1841

Cisco 2800 series

Cisco 3800 series

Use the show version command to ensure that the router is running Cisco IOS Release12.4(11) XJ 
or a later release.

When minimum release requirements are met, you can change images on the router without 
affecting performance.

Install the Cisco G.SHDSL HWIC on the router, using the directions provided in the

document, 

Cisco G.SHDSL HWICs support up to four pairs of digital subscriber lines (DSL): two inverse 
multiplexing over ATM (IMA) lines, and two ATM segmentation and reassembly (SAR) lines. The four 
DSL pairs are bundled in groups and configured in the Cisco IOS command-line interface (CLI) by using 
the dsl-group command. 

G.SHDSL HWICs support the following DSL groups:

Inverse Multiplexing over ATM (IMA) groups—1- 4 DSL pairs

Multi-Pair Operation (M-Pair) groups—2 or more DSL pairs

2-Pair groups—2 DSL pairs

1-Pair groups—1 DSL pair

See the 

 for more information about commands used with 

Cisco G.SHDSL HWICs.