Installing And Removing Isms; Step 7 - Cisco 1905 Installing And Upgrading

Modules Internal to the Cisco 1941 Router
Figure 6

Step 7

When you finish installing modules, install the cover on the router. If necessary see the
Closing the Chassis" section on page

Installing and Removing ISMs

Internal Service Modules (ISMs) plug into an ISM connector on the system board as described in the
"Installing an ISM" section on page
Before you remove or install an ISM, remove the chassis cover as described in the
the Chassis" section on page
In the 1941W a WLAN module is installed in the ISM connector. It is not user removable.
Note
Caution When you remove or install an ISM, always wear an ESD-preventive wrist strap, and ensure that it makes
good contact with your skin. Connect the equipment end of the wrist strap to the metal part of the chassis.
Handle ISMs by the edges only. ISMs are ESD-sensitive components and can be damaged by
Caution
mishandling.
Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs
10
Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs
Installing a DRAM UDIMM
5.
12.
5.
"Opening and
"Opening and Closing