Cisco ONS 15454 SDH Specifications Page 159

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3-19
Cisco ONS 15454 SDH Installation and Operations Guide, R3.3
May 2002
Chapter 3 Node Setup
Setting Up ONS 15454 SDH Timing
Procedure: Set up External, Line, or Mixed Timing for the ONS 15454 SDH
Note CTC refers to Timing A and Timing B as BITS (Building Integrated Timing Supply) 1 and BITS 2.
The MIC-C/T/P FMEC connector is labeled as Timing A and Timing B.
Step 1 From the CTC node view, click the Provisioning > Timing tabs (Figure 3-14).
4 0100 Synchronization Supply Unit (SSU-A)
5 0101 Reserved
6 0110 Reserved
7 0111 Reserved
8 1000 Synchronization Supply Unit (SSU-B)
9 1001 Reserved
10 1010 Reserved
11 1011 Synchronous Equipment Timing Source (SETS)
12 1100 Reserved
13 1101 Reserved
14 1110 Reserved
15 1111 Do not use for synchronization
Purpose Use this procedure to set external, line, or mixed timing for your ONS
15454 SDH nodes. To set up internal timing, see the Set Up Internal
Timing for the ONS 15454 SDH procedure on page 3-22.
Prerequisite Procedures Logging into CTC section on page 2-22
Add the Node Name, Contact, Location, Date, and Time section on
page 3-2
Set Up Network Information section on page 3-4
Onsite/Remote Onsite or remote
Table 3-5 Assignment of Bit Patterns as Shown in ITU G.704 (continued)
QL
S
an1,
S
an2,
S
an3, or
S
an4
S1 bits b5-b8 SDH Synchronization Quality Level (QL) Description
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