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1 Blink No light
received
Bad fiber
connections
Clean RX
fiber on
both ends
Broken fiber Check and fix
RX fiber link
Bad port on
other end
Try another
port or
replace unit
2
Blinks
Jabber Jabbering
controller
Follow
vendor’s
instructions
Noisy AUI
cable
Replace AUI
cable
3
Blinks
Partition Bad port on
other end
Try another
port or
replace unit
Table 6. Troubleshooting Using the
Status LEDs
LED
Status
Indicates
Possible
Problem
Possible
Solution