Cisco ONS 15454 DWDM - Page 66

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Cisco ONS 15454 DWDM Troubleshooting Guide, R7.0.1

78-17742-02

Chapter 1 General Troubleshooting

1.12.1 Fiber Cut Detection

Figure 1-26 ONS 15454 SDH ROADM Node View with Fault Condition for ALS MODE Disabled

Main Page

Loopback Description2
Facility Loopbacks2
General Behavior3
Card Behavior3
Terminal Loopbacks4
Perform a Facility Loopback on a Source-Node MXP or TXP Port7
Create a Facility Loopback on an Intermediate-Node MXP or TXP Port13
Test and Clear the MXP or TXP Port Facility Loopback Circuit15
Create a Terminal Loopback on Intermediate-Node MXP or TXP Ports16
Test and Clear the MXP or TXP Terminal Loopback Circuit17
Troubleshooting DWDM Circuit Paths with ITU-T G.709 Monitoring24
Performance Monitoring Counters and Threshold Crossing Alerts25
Provision Individual Card BBE or SES Thresholds in CTC27
Provision Optical TCA Thresholds29
Forward Error Correction30
Using CTC Diagnostics32
Card LED Lamp Tests32
Verify Card LED Operation32
Retrieve Diagnostics File Button33
Off-Load the Diagnostics File34
Data Communications Network Tool34
Restoring the Database and Default Settings35
Restore the Node Database35
PC Connectivity Troubleshooting36
Unsupported Platforms and Browsers37
Unable to Verify the IP Configuration of Your PC37
Browser Login Does Not Launch Java38
Reconfigure the PC Operating System Java Plug-In Control Panel38
Reconfigure the Browser39
Unable to Verify the NIC Connection on Your PC39
CTC Operation Troubleshooting41
Unable to Launch CTC Help after Removing Netscape42
Unable to Change Node View to Network View43
Set the CTC_HEAP and CTC_MAX_PERM_SIZE_HEAP Environment Variables for Windows43
CTC Does Not Launch45
Redirect the Netscape Cache to a Valid Directory45
Slow CTC Operation or Login Problems45
Delete the CTC Cache File Automatically46
Delete the CTC Cache File Manually47
Node Icon Is Gray on CTC Network View48
Java Runtime Environment Incompatible48
Different CTC Releases Do Not Recognize each Other49
Verify Correct Username and Password50
DCC Connection Lost51
"Path in Use" Error When Creating a Circuit51
Calculate and Design IP Subnets51
Holdover Synchronization Alarm52
Free-Running Synchronization Mode53
Daisy-Chained BITS Not Functioning53
Blinking STAT LED after Installing a Card53
Fiber and Cabling54
Bit Errors Appear for a Traffic Card54
Faulty Fiber-Optic Connections54
Crimp Replacement LAN Cables55
Power Supply Problems58
Isolate the Cause of Power Supply Problems59
Power up Problems for Node and Cards60
OCHNC Circuits Creation Failure79
Prerequisites for Successful OCHNC Circuit Creation79
Conditions for OCHNC Circuit Creation Failure80
Node Level (Intranode) Problems84
VOA Failure Scenarios86
Scenario B: Optical Power Level of the Incoming Signal Lower than Expected91
Corrective Actions for Scenario B (Optical Power Level of Incoming Signal Lower than Expected)93
Scenario C: Optical Drop Power Level Lower than Expected99
Corrective Action for Scenario C (Optical Power Level of Incoming Signal Lower than Expected)101
Counter-Propagating Light Affecting Operation of 32DMX-C and 32DMX-L Cards105

Cisco ONS 15454 DWDM - Page 66

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