Cisco 7200 VXR router User Manual page 162

Troubleshooting Overview
— The FE enabled LED comes on after the enabled LED and indicates that the
Note
LED and the FE link LED. The I/O controller without the Fast Ethernet port and the
I/O controller that is equipped with a single MII receptacle do not have the MII enabled,
RJ-45 enabled, and RJ-45 Link LEDs.
— The FE link LED comes on only when the Fast Ethernet port on the I/O controller
— The MII enabled LED comes on after the enabled LED and indicates that the
A-6 Cisco 7200 VXR Installation and Configuration Guide
If this LED remains off when you start the router, it is probably a problem with the
network processing engine or the I/O controller (they are damaged or not connected
to the router midplane). Proceed to the "Troubleshooting the I/O Controller" section
on page A-9.
Fast Ethernet port on the I/O controller is initialized and enabled for operation by
the system. This LED comes on during a successful router boot and remains on
during normal operation of the router.
If this LED remains off when you start the router, it is probably a problem with the
Fast Ethernet port on the I/O controller. Proceed to the "Troubleshooting the I/O
Controller" section on page A-9.
The I/O controller without the Fast Ethernet port does not have the FE enabled
is receiving a carrier signal from the network. This LED remains off during normal
operation of the router unless there is an incoming carrier signal, and does not
indicate startup problems.
If this LED remains off when you start the router, it is probably a problem with the
Fast Ethernet port on the I/O controller. Proceed to the "Troubleshooting the I/O
Controller" section on page A-9.
Fast Ethernet port's MII receptacle is initialized and enabled for operation by the
system, and configured for operation. This LED comes on during a successful
router boot and after 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.
If this LED remains off when you start the router, it is probably a problem with the
Fast Ethernet port on the I/O controller. Proceed to the "Troubleshooting the I/O
Controller" section on page A-9.