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Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
September 2005
Chapter 6 Turn Up Network
DLP-G96 Set Up Internal Timing
DLP-G96 Set Up Internal Timing
Caution Internal timing is Stratum 3 and is not intended for permanent use. All ONS 15454 SONET or SDH
nodes should be timed to a Stratum 2 or better primary reference source. Internal timing is appropriate
for DWDM nodes.
Step 1 In node view, click the Provisioning > Timing > General tabs.
Step 2 In the General Timing area, enter the following:
• Timing Mode—Set to External.
• SSM Message Set—Set to Generation 1.
• Quality of RES—Does not apply to internal timing.
• Revertive—Does not apply to internal timing.
• Revertive Time—Does not apply to internal timing.
Step 3 In the Reference Lists area, enter the following information:
• NE Reference
–
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 4 Click Apply.
Step 5 Click the BITS Facilities tab.
Step 6 In the BITS Facilities area, change the BITS In State and BITS Out State to OOS for BITS 1 and BITS 2.
Disregard the other BITS Facilities settings; they are not relevant to internal timing.
Step 7 Click Apply.
Step 8 Return to your originating procedure (NTP).
Purpose This task sets up internal timing (Stratum 3) for an ONS 15454.
Tools/Equipment None
Prerequisite Procedures DLP-G46 Log into CTC, page 2-25
Required/As Needed As needed (use only if a BITS source is not available)
Onsite/Remote Onsite or remote
Security Level Provisioning or higher