Cisco PA-T3 Installation And Configuration Manual page 36

Removing a Port Adapter
Note
have to power down the Cisco 7200 series routers when removing and replacing a port adapter.
When a port adapter slot is not in use, a blank port adapter must fill the empty slot to allow the router
to conform to EMI emissions requirements and to allow proper airflow across the port adapters. If
you plan to install a new port adapter in a slot that is not in use, you must first remove a blank port
adapter.
Removing a Port Adapter
Following is the procedure for removing a port adapter from a Cisco 7200 series router:
Step 1
Step 2
Figure 5-2
Step 3
Step 4
Step 5
PA-T3 Serial Port Adapter Installation and Configuration
5-2
The Cisco 7200 series routers support online insertion and removal; therefore, you do not
Attach an ESD-preventive wrist strap between you and an unfinished chassis surface.
Place the port adapter lever for the desired port adapter slot in the unlocked position. The
port adapter lever remains in the unlocked position. (See Figure 5-2.)
Placing the Port Adapter Lever in the Unlocked Position—Cisco 7206 Shown
Note: This adapter removal
applies to any port or service
adapter.
Grasp the handle on the port adapter and pull the port adapter from the midplane, about
halfway out of its slot. If you are removing a blank port adapter, pull the blank
port adapter completely out of the chassis slot.
As you disengage the port adapter from the router midplane, OIR administratively
Note
shuts down all active interfaces on the port adapter.
With the port adapter halfway out of the slot, disconnect all cables from the port adapter.
After disconnecting the cables, pull the port adapter from its chassis slot.
TOKEN RING
ETHERNET 10BT
FAST ETHERNET INPUT/OUTPUT CONTROLLER
Port adapter
handle
Port adapter
lever (unlocked
position)