CHAPTER
7-1
Cisco ONS 15530 Configuration Guide and Command Reference
78-14227-01, Cisco IOS Release 12.1(10)EV2
7
Configuring APS
This chapter describes how protection is implemented on the CiscoONS 15530. It also describes how to
configure splitter protection and line card protection with APS (Automatic Protection Switching).This
chapter contains the following sections:
About APS, page 7-1
About Splitter Protection, page 7-2
Configuring Splitter Protection, page 7-4
About Line Card Protection, page 7-6
About Client Based Line Card Protection, page 7-7
About Y-Cable Line Card Protection, page 7-8
Configuring Y-Cable Based Line Card Protection, page 7-10
About Switch Fabric Based Line Card Protection, page 7-12
Configuring Switch Fabric Based Line Card Protection, page 7-13
About Redundant Switch Fabric Protection, page 7-15
Configuring APS Group Attributes, page 7-15
About Switchovers and Lockouts, page 7-23
Requesting a Switchover or Lockout, page 7-24
Clearing Switchovers and Lockouts, page 7-25

About APS

APS provides protection against signal transmission failure. The Cisco ONS 15530 suppor ts t he
following APS features:
1+1 path protection
Splitter protection
Line card protection
Client based
Y-ca bl e b ase d
Switch fabric based