CHAPTER
10-1
Cisco ONS 15216 EDFA2/EDFA2-A Operations Guide, R2.4
July 2004
10
Troubleshooting
This chapter presents basic fault information and diagnosis (troubleshooting) procedures for the 2.1.0,
2.2.1, 2.3.0, and 2.4.0 product releases of the Cisco ONS 15216 EDFA2. Only TL1 information about
the alarm notifications and commands is provided.
This chapter describes the behavior of the ONS 15216 EDFA2 in the most expected troubleshooting
situations. It does not address all possible causes of a particular situation or all possible solutions. For
additional help, please review the Release Notes for the software version(s) being used.
If a situation is experienced that cannot be resolved, contact the Cisco Technical Assistance Center
(TAC) for help (see the “Obtaining Technical Assistance” section on page xxii). For all interactions with
the Cisco TAC, have the current ONS 15216 EDFA2 status prepared as described in the “10.3 Status
Information Needed by Cisco TAC” section on page 10-12.
This chapter includes the following sections:
• 10.1 Alarm Indicators
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10.1.1 LEDs and Office Alarms
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10.1.2 Troubleshooting Optical Alarms
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10.1.3 Troubleshooting Equipment Alarms
• 10.2 Typical Troubleshooting Scenarios
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10.2.1 No Output Power after Adjusting Gain Settings
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10.2.2 2.0.1 to 2.2.1 Upgrade Attempt
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10.2.3 Image File Download Incomplete
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10.2.4 Primary Boot Up Failure
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10.2.5 Complete Boot Up Failure
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10.2.6 No Response from RS-232 Port
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10.2.7 No Response from LAN Port
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10.2.8 LAN Port Activity LED Stays On
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10.2.9 Lost Password
• 10.3 Status Information Needed by Cisco TAC
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