Installing and Administering LAN/9000 Software

Chapter 4 103
Troubleshooting LAN/9000
Diagnostic Flowcharts
Make sure the AUI cable is solidly connected to the
MAU and the LAN card. If the AUI cable is not
connected, turn off the power to the computer before
you connect it.
H. Check: Backbone cable terminated at both ends. Make
sure the backbone cable is terminated at both ends.
I. Check: MAU tapped securely into cable. Make sure the
MAU is tapped securely into the backbone cable.
J. Check: Splices and Taps. Make sure all splices and taps
are secure.
K. Check: Backbone cable grounded in only one place.
Make sure the backbone cable is grounded in only one
place.