Lucent Technologies DDM-2000 OC-3

363-206-285
Transmission and Synchronization Interfaces
Issue 3 June 2001
5-19
DS3 Data Services on an OC-3 Ring 5
Figure 5-11 shows an example of using the BBG19 DS3 Data Services Interface
circuit pack to connect to data edge devices providing access to the SONET ring
for ATM, Ethernet, Token Ring, FDDI, Frame Relay, and other data services.
Figure 5-11. DS3 Data Services on an OC-3 Ring
O
L
I
U
O
L
I
U
Ring
1
Ring
2
Ring
1
Ring
2
FN ( )-1 FN ( )-2
Main -2
Main -1
DS3 DS3
BBG19BBG19
DATA SERVICES
DEVICE
tpa 852254/01
DDM-2000
OC-3 Shelf