Cisco Systems ONS 15327 manual Perform a Facility Loopback on a Source XTC Port

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Chapter 1 General Troubleshooting

Identify Points of Failure on a DS-N Circuit Path

1.2.1 Perform a Facility Loopback on a Source XTC Port

The facility loopback test is performed on the node source port in the network circuit; in this example, the test is routed through the MIC card and performed on the XTC port in the source node. Completing a successful facility loopback on this port isolates the cabling, MIC card, and XTC card as possible failure points. Figure 1-7shows an example of a facility loopback on a source node XTC port.

Figure 1-7 Facility Loopback on a Source XTC Port

ONS 15327

Source

 

 

 

 

 

 

XTC

 

 

 

 

 

 

 

 

 

 

 

 

 

Test Set A

DS-N

MIC

 

 

 

OC-N

 

 

 

 

 

 

 

 

 

 

 

 

 

DS-N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ONS 15327

Destination

XTC

OC-N

MIC

76187

Facility loopback

Caution Performing a loopback on an in-service circuit is service-affecting.

Note Loopbacks operate only on ports in the out of service-maintenance (OOS_MT) state.

Procedure: Create the Facility Loopback on the Source XTC Port

Step 1 Connect an electrical test set to the port you are testing.

Use appropriate cabling to attach the transmit (Tx) and receive (Rx) terminals of the electrical test set to the MIC card, which interfaces with the XTC card. Both Tx and Rx connect to the same port. Adjust the test set accordingly.

Step 2 Use CTC to create the facility loopback on the port being tested:

a.In node view, double-click the card where you are performing the loopback.

b.Click the Maintenance > Loopback tabs.

c.Choose OOS_MT from the State column for the port being tested. If this is a multiport card, select the appropriate row for the port being tested.

d.Choose Facility (Line) from the Loopback Type column for the port being tested. If this is a multiport card, select the appropriate row for the port being tested.

e.Click the Apply button.

f.Click the Yes button in the Confirmation Dialog box.

Note It is normal for a LPBKFACILITY condition to appear during loopback setup. The condition clears when you remove the loopback.

Cisco ONS 15327 Troubleshooting Guide, R3.4

 

April 2003

1-5

 

 

 

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Contents Cisco ONS 15327 Troubleshooting Guide Cisco ONS 15327 Troubleshooting Guide Iii N T E N T STest the Facility Loopback Circuit Test the OC-N Card Browser Stalls When Downloading CTC JAR Files from XTC Isolate the Cause of Power Supply Problems Vii AISViii Clear the AUTOSW-SDBER ConditionClear the E-W-MISMATCH Alarm with a Physical Switch EXERCISE-RING-REQ2-53 EXERCISE-SPAN-REQ Frcdswtothird LOF Bits XiiXiii Clear the Lpbkterminal G-Series ConditionXiv 148 SD189 WTR Xvi Identify a Ring ID or Node ID NumberConfiguring Vlan Membership for Individual Ethernet Ports Figures XviiiJRE Compatibility Alarm Index by Alarm Type Xxi Document ObjectivesAudience Related DocumentationBoldface Document ConventionsXxii Documentation CD-ROM Where to Find Safety and Warning InformationObtaining Documentation Cisco.comXxiv Obtaining Technical AssistanceOrdering Documentation Documentation FeedbackCisco TAC Website Technical Assistance CenterXxv Cisco TAC Escalation Center Obtaining Additional Publications and InformationXxvi General Troubleshooting Facility Loopback Process on an XTC Card Network Troubleshooting TestsTerminal Loopback Process on an OC-N Card Cross-Connect Loopback Process on an OC-N Port Identify Points of Failure on a DS-N Circuit PathPerform a Facility Loopback on a Source XTC Port Click the Maintenance Loopback tabsProcedure Test the DS-N Cabling Procedure Test the Facility LoopbackProcedure Test the MIC Cabling Procedure Test the XTC CardPerform a Hairpin on a Source Node XTC Port Procedure Test the MIC CardProcedure Test the Hairpin Circuit Procedure Create the Hairpin on the Source Node PortSBY LED Procedure Test the Alternate Source XTC CardPerform a Terminal Loopback on a Destination XTC Port Procedure Retest the Original Source XTC CardTerminal Loopback on a Destination XTC Port Click the Maintenance Loopback tabs Perform a Hairpin on a Destination Node XTC Port Procedure Test the Destination XTC Card10 Hairpin on a Destination Node XTC Card Procedure Test the Alternate Destination XTC Card Procedure Retest the Original Destination XTC Card 11 Facility Loopback on a Destination XTC Card Perform a Facility Loopback on a Destination XTC CardProcedure Test the Facility Loopback Circuit Procedure Test the XTC Card Perform a Facility Loopback on a Source-Node OC-N Port Identify Points of Failure on an OC-N Circuit Path12 Facility Loopback on a Circuit Source OC-N Port Perform a Cross-Connect Loopback on the Source OC-N Port Procedure Test the OC-N Card13 Cross-Connect Loopback on a Source OC-N Port Procedure Test the Cross-Connect Loopback CircuitProceed to the Retest the Original XTC Card procedure on Procedure Test the Standby XTC CardProcedure Retest the Original XTC Card 14 Terminal Loopback on a Source-Node OC-N Port Perform a Terminal Loopback on a Source-Node OC-N PortProcedure Test the Terminal Loopback Circuit Procedure Test the OC-N Card 15 Facility Loopback on an Intermediate-Node OC-N Port Procedure Test the Facility Loopback Circuit Procedure Test the OC-N Card 16 Terminal Loopback on an Intermediate-Node OC-N Port Procedure Test the Terminal Loopback Circuit 17 Facility Loopback on a Destination Node OC-N Port Perform a Facility Loopback on a Destination-Node OC-N PortConnect an optical test set to the port you are testing Procedure Test the Facility Loopback Circuit 18 Terminal Loopback on a Destination Node OC-N Port Perform a Terminal Loopback on a Destination Node OC-N PortConnect an optical test set to the port you are testing Procedure Test the Terminal Loopback Circuit Restore the Node Database Restoring the Database and Default SettingsProcedure Restore the Database Click Restore Upload Software Unix procedure on Restore the Node to Factory ConfigurationConfirmation dialog box opens -20. Click Yes 20 Confirm NE Restoration 21 Reinitialization Tool in Unix Unable to Verify the IP Configuration of Your PC PC Connectivity TroubleshootingProcedure Verify the IP Configuration of Your PC Procedure Reconfigure the Browser Browser Login Does Not Launch JavaJRE 1.3 in C\ProgramFiles\JavaSoft\JRE\1.3.102 Unable to Verify the NIC Connection on Your PC Verify PC Connection to the ONS 15327 Ping Procedure Ping the ONSIP Address of the Node is Unknown Procedure Retrieve Unknown Node IP AddressUnable to Launch CTC Help After Removing Netscape CTC Operation TroubleshootingUnable to Change Node View to Network View Procedure Reset the Ctcheap Environment Variable for Windows CTC Does Not Launch Browser Stalls When Downloading CTC JAR Files from XTCProcedure Disable the VirusScan Download Scan Uncheck the Enable Internet download scanning check boxChoose Preferences Sluggish CTC Operation or Login ProblemsProcedure Redirect the Netscape Cache to a Valid Directory Procedure Delete the CTC Cache File Automatically22 Deleting the CTC Cache Procedure Delete the CTC Cache File ManuallyCTC Cannot Launch Due to Applet Security Restrictions Node Icon is Gray on CTC Network ViewJava Runtime Environment Incompatible Procedure Manually Edit the java.policy FileDifferent CTC Releases Do Not Recognize Each Other Procedure Launch CTC to Correct the Core Version BuildSee the Verify Correct Username and Password procedure on Username or Password Does Not Match the XTC InformationDCC Connection Lost Path in Use Error When Creating a CircuitProcedure Verify Correct Username and Password No IP Connectivity Exists Between NodesCalculate and Design IP Subnets Procedure Cancel the Circuit Creation and Start OverEthernet Connections Possible Problem Solution Procedure Verify Ethernet Connections24 Vlan with Ethernet Ports at Tagged and Untag Vlan Cannot Connect to Network Device from Untag PortClick the Provisioning Vlan tabs Figure Procedure Change Vlan Port Tag and Untagged SettingsCircuit Transitions to Partial State Circuits and TimingProcedure Clear AIS-V on XTC-28-3 Unused VT Circuits Procedure View the State of Circuit NodesAIS-V on XTC-28-3 Unused VT Circuits 4 DS3 Card Does Not Report AIS-P From External Equipment Circuit Creation Error with VT1.5 CircuitClick Circuits 5 OC-3 and DCC Limitations ONS 15327 Switches Timing ReferenceFree-Running Synchronization Mode Holdover Synchronization AlarmDaisy-Chained Bits Not Functioning Bit Errors Appear for a Traffic Card Blinking Stat LED after Installing a CardFiber and Cabling Procedure Verify Fiber-Optic Connections Faulty Fiber-Optic ConnectionsGeneral Troubleshooting Fiber and Cabling 26 RJ-45 Pin Numbers Crimp Replacement LAN CablesPin Color Pair Name Procedure Remove SFP Connectors Replace Faulty SFP ConnectorsProcedure Install SFP Connectors Optical Card Receive Transmit Optical Card Transmit and Receive LevelsPower Supply Problems Power and LED TestsProcedure Isolate the Cause of Power Supply Problems Power Consumption for Node and CardsClick the Maintenance Diagnostic tabs Click Lamp Test Procedure Verify Card LED OperationLamp Test for Card LEDs Critical Alarms CR Alarm Index by Default SeverityMinor Alarms MN Major Alarms MJConditions NA or NR Alarms and Conditions Indexed By Alphabetical Entry Lpbkterminal DS-N,OC-N Alarm Index by Alarm Type Cisco ONS 15327 Troubleshooting Guide, R3.4 March Alarm Index by Alarm Type Alarm Index by Alarm Type Alarm Index by Alarm Type Alarm Index by Alarm Type Alarm Index by Alarm Type Eqpt Alarm Type/Object DefinitionConditions Trouble NotificationsSeverities Alarm Procedures Safety SummaryAIS-L Procedure Clear the AIS ConditionProcedure Clear the AIS-L Condition 1 AISAIS-V Procedure Clear the AIS-P ConditionProcedure Clear the AIS-V Condition AIS-PApsb Procedure Clear the Apsb AlarmApscdfltk APSC-IMP Procedure Clear the Apscdfltk AlarmProcedure Clear the Apscincon Alarm Procedure Clear the APSC-IMP AlarmApscincon Apscnmis Procedure Clear the Apscm AlarmProcedure Clear the Apscnmis Alarm ApscmApsmm Procedure Clear the Apsmm AlarmClick the Provisioning Protection tabs AS-CMD Procedure Clear the AS-CMD ConditionClick the Provisioning Alarm Behavior tabs Node view, click the Provisioning Alarm Behavior tabsAUD-LOG-LOW Procedure Clear the AS-MT ConditionProcedure Clear the AUD-LOG-LOSS Condition AUD-LOG-LOSSAUTOSW-AIS AutoresetProcedure Clear the Autoreset Alarm Procedure Clear the AUTOSW-AIS ConditionAUTOSW-LOP Vtmon AUTOSW-LOP StsmonAUTOSW-PDI AUTOSW-SFBER AUTOSW-SDBERAUTOSW-UNEQ Stsmon BAT-A-HGH-VLT AUTOSW-UNEQ VtmonBAT-A-LOW-VLT BAT-B-LOW-VLT Procedure Clear the BAT-B-HGH-VLT ConditionProcedure Clear the BAT-B-LOW-VLT Condition BAT-B-HGH-VLTProcedure Clear the Blsrosync Alarm Procedure Clear the Bkupmemp AlarmBlsrosync Carloss Eqpt Procedure Clear the Carloss Eqpt AlarmCarloss E Series Procedure Clear the Carloss E-Series AlarmCarloss G Series Procedure Clear the Carloss G Series Alarm Click the Conditions tab and the Retrieve Conditions button Cldrestart Procedure Clear the Cldrestart ConditionCONTBUS-A-18 Procedure Clear the Comioxc AlarmProcedure Clear the CONTBUS-A-18 Alarm ComioxcCONTBUS-B-18 Procedure Clear the CONTBUS-B-18 AlarmCONTBUS-IO-A Procedure Clear the CONTBUS-IO-A Alarm CONTBUS-IO-B Procedure Clear the CONTBUS-IO-B AlarmCTNEQPT-PBPROT Procedure Clear the CTNEQPT-PBPROT Alarm CTNEQPT-PBWORK Procedure Clear the CTNEQPT-PBWORK AlarmDataflt Procedure Clear the Dataflt AlarmDbosync Procedure Clear the Dbosync Alarm44 DS3-MISM EHIBATVG-B Procedure Clear the DS3-MISM ConditionProcedure Clear the EHIBATVG-A Alarm EHIBATVG-AELWBATVG-A Procedure Clear the EHIBATVG-B AlarmProcedure Clear the ELWBATVG-A Alarm Procedure Clear the ELWBATVG-B Alarm49 EOC Procedure Clear the EOC AlarmClick the Provisioning Line tabs Click the Provisioning Sonet DCC tabs Eqpt Procedure Clear the Eqpt AlarmEQPT-MISS Procedure Clear the EQPT-MISS AlarmW-MISMATCH Click View Go to Network View Procedure Clear the E-W-MISMATCH Alarm in CTCClick the Maintenance Blsr tabs Node view, click View Go to Network ViewEXERCISE-SPAN-REQ Procedure Clear the Exccol AlarmExccol EXERCISE-RING-REQEXTRA-TRAF-PREEMPT Procedure Clear the EXT AlarmProcedure Clear the EXTRA-TRAF-PREEMPT Alarm 56 EXTFAILTOSW-PATH Procedure Clear the Failtosw ConditionFailtoswr Click the Provisioning Line tabs Failtosws Procedure Clear the Failtosws Condition62 FAN Fandegrade Procedure Clear the FAN AlarmProcedure Clear the Fandegrade Alarm Procedure Clear the FE-AIS ConditionFE-DS1-NSA Procedure Clear the FE-DS1-MULTLOS ConditionProcedure Clear the FE-DS1-NSA Condition FE-DS1-MULTLOSFE-DS1-SNGLLOS Procedure Clear the FE-DS1-SA ConditionProcedure Clear the FE-DS1-SNGLLOS Condition FE-DS1-SAFE-DS3-SA Procedure Clear the FE-DS3-NSA ConditionProcedure Clear the FE-DS3-SA Condition FE-DS3-NSAFE-EXERCISING-SPAN Procedure Clear the FE-EQPT-NSA ConditionFE-EQPT-NSA FE-EXERCISING-RINGFE-FRCDWKSWPR-SPAN Procedure Clear the FE-FRCDWKSWPR-RING ConditionProcedure Clear the FE-FRCDWKSWPR-SPAN Condition FE-FRCDWKSWPR-RINGFE-LOCKOUTOFPR-SPAN Procedure Clear the FE-IDLE ConditionProcedure Clear the FE-LOCKOUTOFPR-SPAN Condition FE-IDLEFE-LOS Procedure Clear the FE-LOF ConditionProcedure Clear the FE-LOS Condition FE-LOFFE-MANWKSWPR-SPAN Procedure Clear the FE-MANWKSWPR-RING ConditionProcedure Clear the FE-MANWKSWPR-SPAN Condition FE-MANWKSWPR-RINGFORCED-REQ Procedure Clear the Feprlf Alarm on a BlsrProcedure Clear the FORCED-REQ Condition FeprlfFrcdswtoint Procedure Clear the FORCED-REQ-RING ConditionProcedure Clear the FORCED-REQ-SPAN Condition FORCED-REQ-SPANFrngsync Procedure Clear the Frngsync AlarmFrcdswtosec FrcdswtothirdHitemp Procedure Clear the FULLPASSTHR-BI ConditionProcedure Clear the Hitemp Alarm FULLPASSTHR-BIHldovrsync Procedure Clear the Hldovrsync AlarmImproprmvl Procedure Clear the Improprmvl Alarm Inhswwkg Procedure Clear the Inhswpr ConditionINC-ISD InhswprKB-PASSTHR InvmacadrLKOUTPR-S LOCKOUT-REQ-RING Procedure Clear the LOCKOUT-REQ ConditionProcedure Clear the LOCKOUT-REQ-RING Condition LOCKOUT-REQProcedure Clear the LOF DS-1 Alarm Procedure Clear the LOF Bits AlarmLOF DS-1 LOF DS-3 Procedure Clear the LOF DS-3 AlarmLOF OC-N Procedure Clear the LOF OC-N AlarmLOP-P LOS Bits Procedure Clear the LOP-P AlarmProcedure Clear the LOP-V Alarm LOP-VProcedure Clear the LOS DS-1 Alarm Procedure Clear the LOS Bits AlarmLOS DS-1 LOS DS-3 Procedure Clear the LOS DS-3 AlarmLOS OC-N Procedure Clear the LOS OC-N Alarm Clear the Lbkcrs Condition Procedure Clear the Lpbkfacility DS-N ConditionLpbkcrs Lpbkfacility DS-NLpbkterminal DS-N, OC-N Procedure Clear the Lpbkfacility OC-N ConditionProcedure Clear the Lpbkterminal DS-N, OC-N Condition Lpbkfacility OC-NLpbkterminal G-Series ManresetProcedure Clear the Lpbkterminal G-Series Condition Procedure Clear the MAN-REQ ConditionManswtothird ManswtointManswtopri ManswtosecMANUAL-REQ-SPAN Procedure Clear the MANUAL-REQ-RING ConditionProcedure Clear the MANUAL-REQ-SPAN Condition Procedure Clear the MEA Eqpt AlarmMEM-GONE MEM-LOW Procedure Clear the Mfgmem BP, Fan-Tray Assembly AlarmMfgmem PDI-P Procedure Clear the PDI-P ConditionPEER-NORESPONSE Procedure Clear the PEER-NORESPONSE AlarmPLM-P Procedure Clear the PLM-P AlarmPRC-DUPID Procedure Clear the PLM-V AlarmProcedure Clear the PRC-DUPID Alarm PLM-VProtna Procedure Clear the Protna AlarmPWR-A Procedure Clear the PWR-A AlarmPWR-B Procedure Clear the PWR-B Alarm140 RAI Procedure Clear the PWR-REDUN AlarmProcedure Clear the RAI Condition PWR-REDUN101 Procedure Clear the RCVR-MISS AlarmProcedure Clear the RFI-L Condition RFI-L102 Procedure Clear the RFI-P ConditionRFI-P RFI-V103 Procedure Clear the RFI-V ConditionProcedure Clear the RING-MISMATCH Alarm RING-MISMATCH104 RING-SW-EASTRING-SW-WEST 148 SDSD-P Procedure Clear the SD ConditionProcedure Clear the SD-L Condition SD-LSF-L Procedure Clear the SD-P ConditionProcedure Clear the SF Condition 151 SFSftwdown Procedure Clear the SF-L ConditionProcedure Clear the SF-P Condition SF-PSPAN-SW-WEST Procedure Clear the SNTP-HOST AlarmSNTP-HOST SPAN-SW-EASTSquelch Procedure Clear the Squelch Condition109 110 Procedure Clear the SSM-FAIL AlarmSSM-DUS SSM-FAILSSM-PRC Procedure Clear the SSM-OFF ConditionSSM-LNC SSM-OFFSSM-ST3 SSM-RESSSM-SMC SSM-ST2SSM-TNC Procedure Clear the STU ConditionSSM-ST4 SSM-STU114 Procedure Clear the Swmtxmod AlarmSwtothird Procedure Clear the Swtosec ConditionSwtopri Swtosec116 Procedure Procedure Clear the Swtothird ConditionProcedure Clear the SYNC-FREQ Condition SYNC-FREQSyncsec Procedure Clear the Syncpri AlarmProcedure Clear the Syncsec Alarm SyncpriSyncthird Procedure Clear the Syncthird Alarm118 119 SysbootProcedure Clear the TIM-P Alarm TIM-P120 Procedure Clear the Tptfail G-Series AlarmTptfail G-Series Trmt121 Procedure Clear the Trmt AlarmProcedure Clear the TRMT-MISS Alarm TRMT-MISS122 Procedure Clear the UNEQ-P AlarmUNEQ-P Click the Select Affected Circuits dialog box123 UNEQ-VWkswpr XTC Line AlarmsProcedure Clear the UNEQ-V Alarm Procedure Clear the Wkswpr Condition125 Common Procedures in Alarm TroubleshootingProcedure Identify a Ring ID or Node ID Number Procedure Change a Ring ID NumberClick Ring Map Procedure Change a Node ID NumberProcedure Verify Node Visibility for Other Nodes Procedure Verify or Create Node DCC Terminations127 Procedure Lock Out a Blsr SpanProcedure Clear a Blsr Span Lock Out Procedure Clear a Upsr Lock Out128 Procedure Clear an External Switching CommandProcedure Delete a Circuit Procedure Clear a Loopback129 Procedure Reset the Active XTC Card in CTCProcedure Reset a Traffic Card in CTC Procedure Verify BER Threshold Level130 Procedure Physically Replace a CardProcedure Remove and Reinsert Reseat a Card Procedure Remove and Reinsert Fan-Tray AssemblyReplace Hardware Replace the Fan-Tray AssemblyRemoving the Fan-Tray Assembly Remove and Reinsert Reseat the Standby XTC Inspect, Clean, and Replace the Reusable Air FilterRemoving the Reusable Fan-Tray Air Filter Replacing the Reusable Fan-Tray Air Filter Page IN-1 D EIN-2 AUD-LOG-LOWIN-3 BERIN-4 CTCIN-5 MismatchIN-6 IN-7 FrcdswtointIN-8 IN-9 LEDIN-10 IN-11 ProtnaIN-12 IN-13 SquelchIN-14 IN-15 SlmfIN-16 TCP/IPIN-17 See also loopbackIN-18
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ONS 15327 specifications

Cisco Systems ONS 15327 is a high-performance optical networking solution tailored for service providers and enterprises looking to enhance their optical communication infrastructure. This versatile platform is recognized for its robust performance, scalability, and flexibility, making it suitable for a wide array of applications ranging from broadband access to metropolitan area networking.

One of the standout features of the ONS 15327 is its ability to handle multiple data types over a single platform. It supports a rich array of protocols, including Ethernet and SONET/SDH, allowing service providers to deliver a diverse portfolio of services to their customers. This multiservice capability simplifies the network architecture, reducing operational complexity and costs.

The ONS 15327 is designed with a modular architecture, which enables operators to customize and scale their network as demand grows. It supports a variety of card options for different media types, wavelengths, and capacity requirements. This modularity not only facilitates straightforward upgrades but also allows for efficient network management.

In terms of technology, the ONS 15327 leverages dense wavelength division multiplexing (DWDM) capabilities to maximize the utilization of available fiber bandwidth. This allows for an impressive increase in transmission capacity without the need for additional fiber installations, making it a cost-effective solution for expanding networks.

Another significant characteristic of the Cisco ONS 15327 is its advanced performance monitoring and management features. Built-in diagnostic tools provide real-time visibility into network performance, enabling prompt identification and troubleshooting of potential issues. This proactive approach to network management enhances service reliability and customer satisfaction.

Security is also paramount in the ONS 15327. The platform integrates various security features and protocols to protect the data traversing the network, ensuring compliance with industry standards and safeguarding sensitive information.

Furthermore, the equipment is designed for easy integration into existing infrastructures. Its compatibility with Cisco’s broader networking solutions allows for seamless interconnection with routers, switches, and other devices, facilitating comprehensive network solutions.

In conclusion, Cisco Systems ONS 15327 stands out as a powerful optical networking platform that combines versatility, scalability, and advanced management features. Its ability to support various protocols and harness optical technologies makes it an essential tool for organizations aiming to optimize their telecommunications infrastructure while minimizing costs and complexity.