Cisco Systems 1900 Series Manual De Usuario

Cisco 1900 series routers are normally shipped with a complement of components that can be upgraded 
or replaced to expand and enhance the router’s functionality. These components either are inserted 
internally into the router or are plugged into slots in the router chassis.

This chapter tells how to physically set up Cisco 1900 series integrated services routers.

The Cisco model 1905 and Cisco 1921 have no user accessible internal modules.

The router’s internal components include the following:

DRAM

Internal services module (ISM)