48
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Use the flow chart below to assist in determining the root cause of any ONT failure.
Yes
Yes
Yes
Yes
No
Replace
ONT
Services
Restored?
Local Power
LED On?
Yes
Check for input
powe r. Replace UP S
as required.
Contact
Central Office
Is the
ONT
functioning
properly?
Is the
ONT
Provisioned?
Is the
ONT
Connected?
Is there
power to the
ONT?
No
No
No
No
No
+48 VDC Out?
Yes
Replace UPS
Unit
Check all
Connections
Provision
ONT
No
No
Check AC Power Levels
Levels OK?
Yes
Check Optical Inputs.
Inputs Correct?
Correct Input
Problem or call
Central Office
No
No
Correct Input
Problem
No
Check Video Inputs.
Inputs Correct?
Yes
No
Yes
Yes
2932
© 2001-2007 Calix. All Rights Reserved.
Содержание 560 SBU ONT
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