Canon M15-155 manual Troubleshooting, Chapter

Chapter 3

Troubleshooting

Use the table below to troubleshoot common problems. If you still experience problems, please contact Avaya Communication Technical Support.

Problem	Probable Cause	Solution
BIT LED remains ON	Module self-test failed	i) Check that the module is
after power up or reset		correctly and fully inserted into
		the M770 ATM switch chassis
		ii) Reboot or power-up again
All LEDs remain ON	Module fault	Reboot or power-up again
after power up or reset
Port LED blinks while	Link failure	Check the fiber connection to the
function LED is on		port
LNK
OPR LED does not	The module may be in	Reset the module again but this
light ON after reboot	Monitor mode because	time make a Short Reset (less than 4
(after more than 30	of a Long Reset	seconds)
seconds)

M15-155 Installation Guide 9