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PA-MC-2T3+ Multi-Channel T3 Port Adapter Installation and Configuration
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Chapter 3 Removing and Installing Port Adapters
Online Insertion and Removal
Figure 3-1
Handling a Port Adapter
Online Insertion and Removal
Several platforms support online insertion and removal (OIR) of port adapters; therefore, you do not
have to power down routers when removing and replacing a PA-MC-2T3+ on Cisco 7100 series routers,
Cisco 7200 series routers, Cisco uBR7200 series routers, Cisco 7301 routers, or Cisco 7401ASR routers.
Although the VIP and the Cisco 7304 PCI Port Adapter Carrier Card support online insertion and
removal, individual port adapters do not. To replace port adapters, you must first remove the VIP or the
Cisco 7304 PCI Port Adapter Carrier Card from the chassis and then install or replace port adapters as
required. If a blank port adapter is installed on the VIP or the Cisco 7304 PCI Port Adapter Carrier Card
on which you want to install a new port adapter, you must first remove the VIP or the Cisco 7304 PCI
Port Adapter Carrier Card from the chassis and then remove the blank port adapter.
Caution
To prevent system problems, do not remove port adapters from the VIP or the Cisco 7304 PCI Port
Adapter Carrier Card motherboard or attempt to install other port adapters on the motherboard when the
system is operating. To install or replace port adapters, first remove the VIP or the Cisco 7304 PCI Port
Adapter Carrier Card from its interface processor slot.
It is wise to gracefully shut down the system before removing a port adapter that has active traffic moving
through it. Removing a module while traffic is flowing through the ports can cause system disruption.
Once the module is inserted, the ports can be brought back up.
Note
Online insertion and removal (OIR) is not supported on the Port Adapter Jacket Card. OIR is supported
on the port adapter. You must have the chassis powered off to install or remove the Port Adapter Jacket
Card.
Note
As you disengage the module from the router or switch, online insertion and removal (OIR)
administratively shuts down all active interfaces in the module.
OIR allows you to install and replace modules while the router is operating; you do not need to notify
the software or shut down the system power, although you should not run traffic through the module you
are removing while it is being removed. OIR is a method that is seamless to end users on the network,
maintains all routing information, and preserves sessions.
H6420
Metal carrier
Printed circuit board