Table 14: Sc-Aps Versus Mc-Aps Protection - Alcatel-Lucent 7750 SR OS Interface Configuration Manual

Ports
Single Chassis and Multi-Chassis APS
APS can operate in a Single Chassis configuration (SC-APS) or in a Multi-Chassis configuration
(MC-APS).
An SC-APS group can span multiple ports, MDAs or IOMs within a single node whereas as MC-
APS can span two separate nodes.

Table 14: SC-APS versus MC-APS Protection

Short form name
Link failure protection (including
intermediate transmission equipment
failure)
Optical/electrical module (e.g. SPF, XPF)
failure protection
MDA failure protection
IOM failure protection
Node failure protection
The support of SC-APS and MC-APS depends on switching modes, MDAs, port types and ecaps.
For a definitive description of the MDAs, port types, switching modes, bundles and encapsulations
supported with APS please see
Page 64
Single Chassis APS
APS Applicability, Restrictions and Interactions on page
7750 SR OS Interface Configuration Guide
Multi-Chassis
SC-APS
Yes
Yes
Yes
Yes
No
APS
MC-APS
Yes
Yes
Yes
Yes
Yes
80.