18-24
Cisco ONS 15454 Procedure Guide, R5.0
March 2007
Chapter 18 DLPs A100 to A199
DLP-A157 Change the Node Timing Source
DLP-A157 Change the Node Timing Source
Caution
The following procedure might be service affecting and should be performed during a scheduled
maintenance window.
Step 1
In node view, click the
Provisioning > Timing
tabs.
Step 2
In the General Timing section, change any of the following information:
•
Timing Mode
Note
Because mixed timing can cause timing loops, Cisco does not recommend using the
Mixed Timing option. Use this mode with care.
•
SSM Message Set
•
Quality of RES
•
Revertive
•
Revertive Time
See the
“DLP-A69 Set Up External or Line Timing” task on page 17-75
for field descriptions.
Step 3
In the BITS Facilities section, you can change the following information:
Note
The BITS Facilities section sets the parameters for your building integrated timing supply
(BITS1 and BITS2) timing references. Many of these settings are determined by the timing
source manufacturer. If equipment is timed through BITS Out, you can set timing parameters to
meet the requirements of the equipment.
•
BITS In State
•
BITS Out State
•
State
•
Coding
•
Framing
•
Sync Messaging
•
AIS Threshold
•
LBO
Purpose
This task changes the SONET timing source for the ONS 15454.
Tools/Equipment
None
Prerequisite Procedures
DLP-A60 Log into CTC, page 17-66
Required/As Needed
As needed
Onsite/Remote
Onsite or remote
Security Level
Provisioning or higher
Summary of Contents for ONS 15454 Series
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Page 44: ...Tasks xliv Cisco ONS 15454 Procedure Guide R5 0 December 2004 ...
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Page 55: ...lv Cisco ONS 15454 Procedure Guide R5 0 December 2004 About this Guide Document Conventions ...
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