Contents
ix
Cisco ONS 15454 Troubleshooting Guide, R8.5
November 2009
1.11.3 Circuit Creation Error with VT1.5 Circuit 1-137
1.11.4 Unable to Create Circuit From DS-3 Card to DS3XM-6 or DS3XM-12 Card 1-137
1.11.5 DS-3 Card Does Not Report AIS-P From External Equipment 1-137
1.11.6 OC-3 and DCC Limitations 1-138
1.11.7 ONS 15454 Switches Timing Reference 1-138
1.11.8 Holdover Synchronization Alarm 1-138
1.11.9 Free-Running Synchronization Mode 1-139
1.11.10 Daisy-Chained BITS Not Functioning 1-139
1.11.11 Blinking STAT LED after Installing a Card 1-139
1.12 Fiber and Cabling 1-139
1.12.1 Bit Errors Appear for a Traffic Card 1-140
1.12.2 Faulty Fiber-Optic Connections 1-140
Verify Fiber-Optic Connections 1-140
1.12.2.1 Crimp Replacement LAN Cables 1-142
1.12.2.2 Replace Faulty GBIC, SFP, or XFP Connectors 1-144
Remove GBIC, SFP, or XFP Connectors 1-145
Install a GBIC or SFP/XFP Device 1-145
1.12.3 OC-N Card Transmit and Receive Levels 1-146
1.13 Power Supply Problems 1-148
Isolate the Cause of Power Supply Problems 1-149
1.13.1 Power Consumption for Node and Cards 1-150
CHAPTER
2 Alarm Troubleshooting 2-1
2.1 Alarm Indexes by Default Severity 2-1
2.1.1 Critical Alarms (CR) 2-2
2.1.2 Major Alarms (MJ) 2-3
2.1.3 Minor Alarms (MN) 2-4
2.1.4 NA Conditions 2-6
2.1.5 NR Conditions 2-10
2.2 Alarms and Conditions Listed By Alphabetical Entry 2-11
2.3 Alarm Logical Objects 2-19
2.4 Alarm List by Logical Object Type 2-22
2.5 Trouble Notifications 2-31
2.5.1 Alarm Characteristics 2-31
2.5.2 Condition Characteristics 2-32
2.5.3 Severities 2-32
2.5.4 Alarm Hierarchy 2-33
2.5.5 Service Effect 2-34
2.5.6 States 2-34