Lucent Technologies DDM-2000 OC-3

363-206-285
Transmission and Synchronization Interfaces
Issue 3 June 2001
5-21
Figure 5-12. OC-3/OC-1 Ring (0x1) Single Homing
O
L
I
U
O
L
I
U
Main-1
Main-2
Ring
1
Ring
2
Ring
1
Ring
2
FN ( )-1 FN ( )-2
Main -2
Main -1
DS1
DDM-2000
FiberReach
Shelf
OC-1
OC-1
DDM-2000
OC-3 Shelf
26G-U
OLIU
26G-U
OLIU
27-type
OLIUs