Figure 64. Failure Examples In Sncp Ring - Alcatel 1850 TSS-320 Technical Handbook

T1
T2
Switch on spare path
T1
SSF
T2
SSF
Switch on spare path
Alcatel 1850 TSS-320 Rel. 1.1
116/270 8DG 07734 AAAA Edition 01
Cable break
3
2
MAIN
1
Case of cable break between nodes 2 and 3
3
2
MAIN
1
Case of unidirectional failure between nodes 5 and 1

Figure 64. Failure examples in SNCP ring

AU-AIS on T1,T2
Switch on spare path
4
SSF
SPARE
Switch on spare path
5
SSF
4
SPARE
5
Unidirectional failure
Technical Handbook Common
T2
T1
T2
T1
Functional Description