Support is available for xDSL SFP module. It is a highly integrated SFP bridged modem, which provides a pluggable SFP compliant interface to upgrade existing DSL IAD or home Gateway devices to higher bandwidth services.
Configuring DSL includes options for configuring ADSL and VDSL Settings. See Configure ADSL and VDSL Settings for more information.
Troubleshooting DSL Settings
DSL Status Diagnostic Test: The DSL diagnostic test is available only for 610 devices. In the 4.3 release, testing is also available for the 620, 640, and 680 devices. Running this test will show the DSL status, which includes information such as Mode (Standard or DSL), Profile, xDSL Mode, etc. as shown in the image below.