Cisco 15310-MA Průvodce řešením problémů stáhnout pdf (Strana 184)

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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, Release 9.0

78-18394-01

Chapter 2 Alarm Troubleshooting

Alarm Procedures

Clear the ENCAP-MISMATCH-P Alarm

Step 1 Ensure that the correct line type is in use on the receive card by completing the following steps:

a. In node view, double-click the receive ML-100T-8 card to display the card view.

b. Click the Provisioning > Card tabs.

c. In the Mode drop-down list, ensure that the same mode (GFP or HDLC) is selected. If it is not,

choose it and click Apply.

Step 2 Ensure that the correct line type is in use on the transmit card and that it is identical to the receiving card

by completing the following steps:

a. In node view, double-click the transmit ML-100T-8 card to display the card view.

b. Click the Provisioning > Card tabs.

c. In the Mode drop-down list, ensure that the same mode (GFP or HDLC) is selected. If it is not,

choose it and click Apply.

Step 3 If the alarm does not clear, use the CLI to ensure that the remaining settings are correctly configured on

the ML-100T-8 card:

• Encapsulation

• CRC size

• Scrambling state

To open the interface, click the IOS tab and click Open IOS Command Line Interface (CLI). Refer to

the Cisco ONS 15310-CL and Cisco ONS 15310-MA Ethernet Card Software Feature and Configuration

Guide entries on all three of these topics to obtain the full configuration command sequences.

Step 4 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport

for more information or call Cisco TAC (1-800-553-2447) in order to report a Service-Affecting (SA)

problem.

2.7.60 EOC

Default Severity: Minor (MN), Non-Service-Affecting (NSA)

SONET Logical Object: OCN

The SONET DCC Termination Failure alarm occurs when the ONS 15310-CL or ONS 15310-MA loses

its DCC. The section data communication channel (SDCC) overhead consists of three bytes, D1 through

D3, in the SONET overhead. The bytes convey information about Operation, Administration,

Maintenance, and Provisioning (OAM&P). The node uses the DCC on the SONET section layer to

communicate network management information.

Warning

Invisible laser radiation could be emitted from the end of the unterminated fiber cable or connector.

Do not stare into the beam directly with optical instruments. Viewing the laser output with certain

optical instruments (for example, eye loupes, magnifiers, and microscopes) within a distance of

100 mm could pose an eye hazard.

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Cisco 15310-MA Průvodce řešením problémů Strana 184