Specifications

8 Input/Output Controller Replacement Instructions
Input/Output Controller Description
Figure 6 I/O Controller LEDs and CPU Reset Button—without Fast Ethernet Port
Note LEDs are either on or off. The LED state (on or off), not the color, determines the status of
connection as described in Table 4. However, most LEDs are green when on, with the exception of
the IO Power LED, which is orange when in the on state.
Table 4 I/O Controller LEDs
LED Function
Enabled Indicates that the network processing engine and the I/O controller are enabled for
operation by the system; however, it does not mean that the Fast Ethernet port on the I/O
controller is functional or enabled. This LED goes on during a successful router boot and
remains on during normal operation of the router.
IO Power OK Indicates that the I/O controller is on and receiving DC power from the router midplane.
This LED comes on during a successful router boot and remains on during normal
operation of the router.
FE ENABLE Indicates that the Fast Ethernet port is initialized and enabled for operation by the system.
This LED comes on after the I/O controller has been enabled and remains on during normal
operation of the router.
This LED is disabled by the system software when the I/O controller with the Fast Ethernet
port is installed in a Cisco 7202.
FE LINK Indicates that the Fast Ethernet port has established a valid link with the network. This LED
remains off during normal operation of the router, unless there is an incoming carrier
signal.
This LED is disabled by the system software when the I/O controller with the Fast Ethernet
port is installed in a Cisco 7202.
MII EN Indicates that the Fast Ethernet port’s MII receptacle is initialized and enabled by the
system, and is configured for operation. This LED comes on after the I/O controller has
been enabled and the MII receptacle has been configured as the media type for the Fast
Ethernet port (the RJ-45 receptacle is the default media type for the Fast Ethernet port).
This LED remains on during normal operation of the router.
This LED is disabled by the system software when the I/O controller with the Fast Ethernet
port is installed in a Cisco 7202.
ENABLED
AUX
CONSOLE
ENABLED
PCMCIA
EJECT
SLOT 0
CPU RESET
IO POWER
OK
SLOT 1
INPUT/OUTPUT CONTROLLER
H7401
SLOT 0
SLOT 1
CPU RESET
IO POWER
OK