Applications
Issue 8.0 July 2002
2-19
has a uniform and efficient fill. The DACS IV-2000 Cross-Connect System may
groom VT1.5 channels from multiple OC-3 access rings. The DACS IV-2000
Cross-Connect System can also provide outputs for local traffic.
Figure 2-9. Dual-Wire Center Architecture Application
DDM-2000
OC-3
11
VT
Drop
&
Continue
CO 1 CO 2
FT-2000 OC-48 Bidirectional
Line-Switched Ring
EC-1
EC-1
EC-1
EC-1
EC-1
DACS IV-2000
6
DS1
DS3
EC1
ALL
SERVICES
ALL
SERVICES
DS1
DS3
EC1
DDM-2000 OC-3
Path-Switched Ring
*
FT-2000 OC-48 Add/Drop-Rings Terminal (Release 5 and later)
nc-ft2000-030
DDM-2000
OC-3
2
DS1
DDM-2000
OC-3
1
DS1
DS1
SLC -2000
5
®
FT-2000*
10
DACS IV-2000
7
DDM-2000
OC-3
3
FT-2000*
8
FT-2000*
9
DDM-2000
OC-3
4