You can manage line modules, SRP modules, SFMs, and IOAs on the E120 router and E320 router. For more information about these modules, see the E120 and E320 Module Guide.
For information about related procedures and installing modules, see E120 and E320 Hardware Guide, Chapter 4, Installing Modules. For information about upgrading software on SRP modules, see the E120 and E320 Hardware Guide.