19
Troubleshooting Guide
Symptom
Poss. Cause
Action
LEDs do not flash
Power switched off
Switch on
at power-up
Power cord not connected
Plug in Router
Fuse defect
Replace fuse
LEDs do not
No cable inserted
Connect to hubs
light up/blink
and Router
Router not
Check power supply
powered up
for Router
Wrong cable type
Verify cable selection
Bad cable
Replace cable
Delay in connecting Router
Power off and
to Token Ringdevice
power on again