Installation guide

Configuring Cisco G.SHDSL HWICs in Cisco Access Routers

Prerequisites for Cisco G.SHDSL HWICs

• 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.

Note 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 Cisco Interface

Cards Hardware Installation Guide and Cisco Network Modules and Interface Cards Regulatory

Compliance and Safety Information.

Information About Cisco G.SHDSL HWICs

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 “Command Reference” section on page 22 for more information about commands used with

Cisco G.SHDSL HWICs.