Figure 6. Example Of Ring Structure - Alcatel 1850 TSS-320 Technical Handbook

• Ring structure (see Figure 6.on page 16)
The drop-insert function permits to realize ring structures.
The VC can be automatically rerouted if the optical splice breaks down or one of the equipment
nodes fails
SDH, PDH, DATA
PORTS
SDH, PDH, DATA
PORTS
Alcatel 1850 TSS-320 Rel.1.1
16/84 8DG 07734 CAAA Edition 01
SDH, PDH, DATA
PORTS
NE
STM-16
RING 1
NE
SDH, PDH, DATA
PORTS
STM-16
NE
STM-1
SDH, PDH, DATA
PORTS
NE
RING 2
STM-1
NE
SDH, PDH, DATA
PORTS

Figure 6. Example of Ring structure

STM-16
SDH, PDH, DATA
NE
PORTS
STM-16
STM-1
SDH, PDH, DATA
NE
PORTS
STM-1
Technical Handbook SDH
General