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Cisco Transport Manager Release 6.0 User Guide
78-16845-01
Chapter 3 Building the Network
3.10.1 Synchronization Settings for the ONS 15310, ONS 15327, ONS 15454 SONET, and ONS 15600 SONET
Step 1 Select an ONS 15310, ONS 15327, ONS 15454 SONET, or ONS 15600 SONET NE and choose
Configuration > NE Explorer.
Step 2 In the node property pane, click the Timing tab. Fields shown depend on the NE that is selected.
Step 3 In the General Timing section of the General subtab, enter the following information:
• Timing Mode—Set to External.
• SSM Message Set—Set to Generation 1.
• Revertive—Not relevant for internal timing; the default setting (checked) is sufficient.
• Reversion Time—The default setting is sufficient.
• Quality of RES—Set to RES=DUS.
Step 4 In the BITS Facilities section of the General subtab, enter the following information:
• In State—Set BITS 1 and BITS 2 to OOS.
• Out State—Set BITS 1 and BITS 2 to OOS.
• Coding—Not relevant for internal timing. The default (B8ZS) is sufficient.
• Framing—Not relevant for internal timing. The default (ESF) is sufficient.
• Sync Messaging—Checked.
• AIS Threshold—Not available.
• LBO—Not relevant.
Step 5 In the Reference List subtab, enter the following information:
• NE References
–
Ref-1—Set to Internal Clock.
–
Ref-2—Set to Internal Clock.
–
Ref-3—Set to Internal Clock.
• BITS 1 Out/BITS 2 Out—Set to None.
Step 6 Click Apply.
Step 7 In the Domain Explorer tree, select the node that will be timed from the node that was set up in
Steps 1 through 6 and choose Configuration > NE Explorer.
Step 8 In the Timing tab, enter the same information that was entered in Step 3, except for the following:
• In the General Timing section of the General subtab, set the Timing Mode field to Line.
• In the NE References section of the Reference List subtab:
–
Ref-1—Set to the OC-N trunk (span) card (non-DWDM node) or OSC card (DWDM) with the
closest connection to the node.
–
Ref-2—Set to the OC-N trunk (span) card (non-DWDM node) or OSC card (DWDM) with the
next closest connection to the node.
–
Ref-3—Set to Internal Clock.
Step 9 Click Apply.
Step 10 Repeat Steps 3 through 9 at each node that will be timed by the node.