Cisco ONS 15454 DWDM - Page 23

Contents
xxiii
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
18.2.1 Hubbed Rings 18-2
18.2.2 Multihubbed Rings 18-2
18.2.3 Any-to-Any Rings 18-3
18.2.4 Meshed Rings 18-4
18.2.5 Linear Configurations 18-5
18.2.6 Single-Span Link 18-6
18.3 Optical Performance 18-6
18.3.1 Optical Performance for Rings and Linear Networks with OADM Nodes 18-8
18.3.2 Optical Performance for Linear Networks Without OADM Nodes 18-10
18.3.3 Optical Performance for ROADM Rings and Linear Networks 18-12
18.3.4 Optical Performance for Single-Span Networks 18-16
18.4 Automatic Power Control 18-18
18.4.1 APC at the Amplifier Card Level 18-18
18.4.2 APC at the Node and Network Levels 18-19
18.4.3 Managing APC 18-20
18.5 ROADM Power Equalization Monitoring 18-22
18.6 Span Loss Verification 18-23
18.7 Network Optical Safety––Automatic Laser Shutdown 18-24
18.7.1 Scenario 1: Fiber Cut in Nodes Using OPT-BST/OPT-BST-E Cards 18-24
18.7.2 Scenario 2: Fiber Cut in Nodes Using OSC-CSM Cards 18-26
18.8 Network-Level Gain—Tilt Management of Optical Amplifiers 18-28
18.8.1 Gain Tilt Control at the Card Level 18-29
18.8.2 System Level Gain Tilt Control 18-31
18.8.2.1 System Gain Tilt Compensation Without ROADM Nodes 18-31
18.8.2.2 System Gain Tilt Compensation With ROADM Nodes 18-33
CHAPTER 19 CTC Operation Reference 19-1
19.1 CTC Software Delivery Methods 19-1
19.1.1 CTC Software Installed on the TCC2/TCC2P Card 19-1
19.1.2 CTC Software Installed on the PC or UNIX Workstation 19-3
19.2 CTC Installation Overview 19-3
19.3 PC and UNIX Workstation Requirements 19-4
19.4 ONS 15454 Connections 19-6
19.5 CTC Window 19-7
19.5.1 Node View 19-7
19.5.1.1 CTC Card Colors 19-7
19.5.1.2 Node View Card Shortcuts 19-10
19.5.1.3 Node View Tabs 19-10