Cisco PA-T3 Installation And Configuration Manual page 72

Removing a Port Adapter
Figure 7-2
ESD plug
5
I
Depending on your circumstances, you might need to install a new port adapter in a Cisco 7100
series router or replace a failed port adapter in the field. All port adapters available for the Cisco 7100
series connect directly to the router and are locked into position by a locking tab with two screws
(see Figure 7-1 or Figure 7-2). You need a number 2 Phillips screwdriver to loosen the screws.
Note
not have to power down the router 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 7100 series router:
Step 1
Step 2
Step 3
Step 4
Step 5
Caution
components or connector pins. (See Figure 7-3.)
7-2 PA-T3 Serial Port Adapter Installation and Configuration
Cisco 7140 Series Router—Port Adapter Slot 4 Location
Locked
155 - MM
RX TX
RX
EN
CEL CAR ALM
The Cisco 7100 series routers support online insertion and removal (OIR); therefore, you do
Attach an ESD-preventive wrist strap between you and the chassis. See Figure 7-1 or
Figure 7-2 for the location of the ESD plug.
Use a number 2 Phillips screwdriver to loosen the screws on the locking tab; then slide
the tab down to the unlocked position. (See Figure 7-1 or Figure 7-2.)
Grasp the handle on the port adapter and pull the port adapter from the router, 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, OIR administratively shuts
Note
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.
Always handle the port adapter by the carrier edges and handle; never touch the port adapter's
Unlocked
Slot 4
SLOT 0 SLOT 1
ACT ACT
LNK LNK
0 1
CONS
FE 0 / 0 FE 0 / 1
155 - MM
RX TX
RX
EN
CEL CAR ALM
AC OK
DC OK
OTF
PWR
0
AC OK
SYS
RDY
AUX DC OK
OTF
2
7140 - 2MM3