Port Adapters And Service Adapters - Cisco Router 7204 Installation And Configuration Manual

Chapter 1 Product Overview
The RJ-45 port is the default media type for the I/O controller that is equipped with an MII port and an
RJ-45 port. Use the media-type command to change the
I/O controller's media type and the show interfaces command to verify the change. The following
example configures the MII port as the media type for the I/O controller:
Router# config t
Enter configuration commands, one per line.
Router(config)# int fastethernet 0/0
Router(config-if)# media-type mii
Router(config-if)# no shutdown
Router(config-if)# exit
Router(config)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed
state to up
%LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Router# sh int fastethernet 0/0
FastEthernet0/0 is administratively up, line protocol is up
(display text omitted)
Encapsulation ARPA, loopback not set, keepalive not set, hdx, MII
(display text omitted)
Use the media-type 100X command to return the media type to the RJ-45 port.
The default transmission mode for the Fast Ethernet port on the I/O controller is half-duplex. Use the
full-duplex command to change the Fast Ethernet port's transmission mode and the show interfaces
command to verify the change as follows:
Router# config t
Enter configuration commands, one per line.
Router(config)# int fastethernet 0/0
Router(config-if)# full-duplex
Router(config-if)# no shutdown
Router(config-if)# exit
Router(config)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed
state to up
%LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Router# sh int fastethernet 0/0
FastEthernet0/0 is administratively up, line protocol is up
(display text omitted)
Encapsulation ARPA, loopback not set, keepalive not set, fdx, 100BaseTX
(display text omitted)
Use the no full-duplex command to return the Fast Ethernet port on the I/O controller to half-duplex
transmission mode.

Port Adapters and Service Adapters

The Cisco 7204 is shipped from the factory with up to four installed port adapters and service adapters.
Port adapters provide a variety of network media types (based on your order) for the router and service
adapters provide hardware-based services (such as data compression and encryption) for the port adapter
media types. The port and service adapters connect directly to the router's midplane. Port and service
adapters installed in the Cisco 7204 router support OIR.
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Cisco 7204 Installation and Configuration Guide
Physical Description
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