Chapter 5
Install and Upgrade Internal Modules and FRUs
Remove the PVDM4 from the Motherboard of Cisco 4331 ISR
Turn off electrical power to the router. Leave the power cable plugged into the channel ESD voltages to
Step 1
ground.
Remove the router cover.
Step 2
Locate the PVDM4 on the motherboard. See
Step 3
Figure 5-28
1
3
Loosen and remove the three screws on the PVDM4.
Step 4
Lift the PVDM4 up from the motherboard.
Step 5
Place the PVDM4 in an anti-static bag.
Step 6
Replace the cover.
Step 7
OL-32185-02
Location of PVDM4 on Cisco 4331 ISR
Screws
Connector
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
Install and Remove PVDM4 on Cisco 4400 or 4300 Series ISRs
Figure
5-28.
1
2
PVDM4
4
Standoffs
2
3
4
5-37