3-15
Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 3 Node Setup
Setting Up ONS 15327 Timing
Figure 3-5
Setting Up ONS 15327 timing
Step 5
Click
Apply
.
Note
Refer to
Chapter 10, “Alarm Monitoring and Management,”
for timing-related alarms.
Procedure: Set Up Internal Timing
If no BITS source is available, you can set up internal timing by timing all nodes in the ring from the
internal clock of one node.
Caution
Internal timing is Stratum 3 and not intended for permanent use. All ONS 15327s should be timed to
a Stratum 2 or better primary reference source.
Step 1
Log into the node that will serve as the timing source.
Step 2
In the CTC node view, click the
Provisioning > Timing
tabs.
Step 3
In the General Timing section, enter the following:
•
Timing Mode
—Set to External.
•
SSM Message Set
—Set to Generation 1.
•
Quality of RES
—Set to DUS.
•
Revertive
—Is not relevant for internal timing; the default setting (checked) is sufficient.
Summary of Contents for ONS 15327
Page 22: ...Contents xxii Cisco ONS 15327 User Documentation June 2002 I N D E X ...
Page 30: ...Figures xxviii Cisco ONS 15327 User Documentation June 2002 ...
Page 44: ...Procedures xlii Cisco ONS 15454 Installation and Operations Guide R3 2 June 2002 ...
Page 540: ...Glossary GL 16 Cisco ONS 15327 User Documentation R3 3 June 2002 ...
