Applications
Issue 8.0 July 2002
2-9
Figure 2-4. End-to-End Interface Mixing Application
The FT-2000 OC-48 Add/Drop-Rings Terminal supports the following
combinations of low-speed interfaces concurrently between nodes in a network:
â– Three DS3 or EC-1 signals at one end (or from various nodes) and one
OC-3 signal at the other end
â– Three DS3 signals at one end (or from various nodes) and three EC-1
signals at the other end (or at various nodes)
â– Four OC-3s at one end and one OC-12 at the other end
â– One OC-3 at one end and one IS-3 at the other end
Central OfficeCentral Office
OC-48
2000
Upgrade
DACS IV-
2000
24 DS3s 24 DS3s
FT-2000* FT-2000*
DACS III-
2000
DACS IV-
FT-2000* FT-2000*
DACS III-
2000
12 DS3s
24 DS3s
OC-48
OC-48
OC-48
12 EC-1s