Lucent Technologies FiberReach DDM-2000 - Page 126

363-206-305
Applications
2-40
Issue 3 June 2000
Basic DS3 Cross-Connects
2
Figure 2-30, Figure 2-31, and Figure 2-32 show the basic DS3 cross-connect
used in several types of rings. The FiberReach cross-connections in all three of
these figures are the same basic DS3.
Figure 2-30. OC-3 FiberReach Extension (Single-Homed) on OC-12 Ring Application
(Release 3.1 or Later)
DDM-2000
OC-3
SLC-2000
OC-3
DS1
Central Office
tpa 852421/01
23G type OLIU
24G type OLIU
24G type OLIU
23G type OLIU
DDM-2000
OC-12
DDM-2000
OC-12
0x1
21 type OLIU
22 type OLIU
EC-1
OC-3
DS3
0x1
EC-1
OC-3
DS3
DDM-2000
FiberReach
OC-3
DDM-2000
OC-3
OC-3 Path
Switched Ring
DDM-2000
FiberReach
OC-3
28G type OLIU 28G type OLIU
R3.1
DS3
R3.1
21 type OLIU
R13.0
R7.0
R13.0 R13.0
R7.0
DS1 or T1
or HDSL
DS1 or T1
or HDSL
DS1
OC-1
DS1
HDSL
OC-12 Path Switched Ring
with OC-3 Path on Ring