Lucent Technologies FiberReach DDM-2000 - Page 113

363-206-305
Applications
Issue 3 June 2000
2-27
The 29-type provides timing for the entire wideband shelf. Two modes will be
provided: line-timed and holdover. Figure 2-18 displays OC-12 Ring Mixed
Application with DDM-2000 FiberReach. DDM-2000 OC-12 and
SLC
-2000 ARM
shelves are on the same ring.
Figure 2-18. OC-12 Ring Mixed Application
DDM-2000
OC-3
DDM-2000
OC-3
SLC-2000
OC-3
24 or 29 type OLIU
24 or 29 type OLIU
24 or 29 type OLIU
DS1
Central Office
tpa 853761/02
DDM-2000
FiberReach
DS1/T1 or
HDSL
OC-12 Path Switched Ring
29G type OLIU
DS1 or HDSL
DS3
EC-1
OC-3
DS1
DS3
EC-1
OC-1
OC-3
R15.0
R15.0
R4.0
R15.0