Cisco ONS 15454 SDH Procedure Manual page 289

Chapter 7 Manage Circuits
From the Port drop-down list, choose the port for the section trace.
Step 4
From the Trace Mode drop-down list, enable the section trace expected string by choosing Auto or
Step 5
Manual:
Auto—The first string received from the source port is automatically provisioned as the current
•
expected string. An alarm is raised when a string that differs from the baseline is received.
• Manual—The string entered in the Current Expected String field is the baseline. An alarm is raised
when a string that differs from the Current Expected String is received.
In the Section Trace String Size area, click 1 byte, 16 byte, or 64 byte. In the New Transmit String field,
Step 6
enter the string that you want to transmit. Enter a string that makes the destination port easy to identify,
such as the node IP address, node name, or another string. If the New Transmit String field is left blank,
the J0 transmits a string of null characters.
If you set the Section Trace Mode field to Manual, enter the string that the destination port should receive
Step 7
from the source port in the New Expected String field. If you set Section Trace Mode to Auto, skip this
step.
Step 8 Click the Disable AIS and RDI if TIM-P is detected check box if you want to suppress the alarm
indication signal (AIS) and remote defect indication (RDI) when the STS Section Trace Identifier
Mismatch Path (TIM-P) alarm appears. Refer to the Cisco ONS 15454 SDH Troubleshooting Guide for
descriptions of alarms and conditions.
Click Apply.
Step 9
After you set up the section trace, the received string appears in the Received field. The following
Step 10
options are available:
Click Hex Mode to display section trace in hexadecimal format. The button name changes to ASCII
•
Mode. Click it to return the section trace to ASCII format.
Click the Reset button to reread values from the port.
•
Click Default to return to the section trace default settings (Section Trace Mode is set to Off and the
•
New Transmit and New Expected Strings are null).
Clicking Default will generate alarms if the port on the other end is provisioned with a different string.
Caution
The expect and receive strings are updated every few seconds if the Section Trace Mode field is set to
Auto or Manual.
Stop. You have completed this procedure.
78-17194-01
NTP- D329 Create a J0 Section Trace
Cisco ONS 15454 SDH Procedure Guide, R7.0
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