Cisco 3900 series - Page 161

5-9
Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-18712-03
Chapter 5 Installing and Upgrading Internal Modules and FRUs
Locating Internal Modules
Figure 5-4 Module Locations in Cisco 2911 Router
1 Removable fan tray 2 PVDM3 1
3 PVDM3 0 4 DIMM socket
5 ISM
250979
2
1
5
3
4