Remove The Pvdm4 From Cisco Fourth-Generation T1/E1 Voice And Wan Nim; Remove And Replace The Usb Flash Token Memory Stick - Cisco 4451 ISR Hardware Installation Manual

Chapter 6 Install and Upgrade Internal Modules and FRUs
Remove the PVDM4 from Cisco Fourth-Generation T1/E1 Voice and
WAN NIM
Step 1
Shut down the electrical power to the slot in the router by either turning off the electrical power to the
router or by issuing the online insertion and removal (OIR) stop command. Leave the power cable
plugged in to channel ESD voltages to ground. For more information on OIR, see the
section on page
Step 2
Loosen the two captive screws on the network interface module.
Step 3
Remove the network interface module with the PVDM4. (See
Step 4
Loosen the three screws and standoffs on the PVDM4.
Step 5
Lift the PVDM4 up from the network interface module.
Step 6
Place the PVDM4 in an anti-static bag.
Step 7
If you are not immediately replacing the network module, install the blank cover over the empty network
module slot.
Step 8
Slide the network interface module back in the router and tighten the captive screws.

Remove and Replace the USB Flash Token Memory Stick

The Cisco 4000 Series ISRs contain ports for a 1 GB flash token memory stick to store configurations
or Cisco IOS XE consolidated packages.
Note
Only Cisco USB Flash memory modules are supported on Cisco routers.
Caution
Do not remove a USB Flash memory module when you execute file access command or a read/write
operation to the Flash memory module when it is processing. The router may reload or the USB Flash
memory module can be damaged. You can check to see if the USB activity LED on the router front panel
is flashing, prior to the removal of the USB device.
To remove and then replace a USB flash token memory stick from the router:
Step 1
Pull the memory stick from the USB port.
Step 2
To replace Cisco USB Flash memory stick, simply insert the module into the USB port 0 or 1 port as
shown in
or removed whether the router is powered on or off.
Note
OL-32185-02
A-2.
Figure 6-28. The Flash memory module can be inserted in only one way, and can be inserted
Figure 6-28 shows how the memory stick is inserted into the port and does not display the actual
router faceplate.
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
Remove and Replace the USB Flash Token Memory Stick
Figure 6-27.)
"OIR Procedures"
6-39