PCI FDDI Administrator's Guide

Troubleshooting PCI FDDI
Diagnostics
Chapter 374
LEDs and Hardware Loopback
You can also check the LEDs using SC-SC cables in a loopback
configuration. Using a keyed SC-duplex cable or two simplex SC-SC
cables, cross-connect the B and A ports on a card as follows: Connect the
B port transmit port to the A port receive port. Connect the B port
receive port to the A port transmit port.
After you cross-connect the ports, the B and A LEDs should both be solid
green.
Figure 3-1
fddipciadmin
The fddipciadmin utility displays information about the status of the
PCI FDDI interface. This utility first shows summary information about
the interface. It then displays a menu that lets you refresh statistics and
display other interface information.
Use the utility fddipciadmin to report card, driver and network
statistics. Refer to fddipciadmin(1M) and fddi(7) man pages.
To use fddipciadmin, type: