Administration and Provisioning
Issue 8.0 July 2002
8-29
1-Way Cross-Connections 8
1-way cross-connections are the basic building block for all STS-1
cross-connections. The FT-2000 OC-48 Add/Drop-Rings Terminal supports the
following STS-1 1-way cross-connections:
â– Add cross-connections: Add cross-connections are made from any
service low-speed port to any outgoing STS-1 tributary of OC-48
high-speed line 1E or 1W. For example, Figure 8-8 shows service
low-speed port 1 of slot 2B (2B-1) cross-connected to outgoing service
STS-1 tributary 1 of STS-3 tributary 6 (6-1) on OC-48 high-speed line 1W.
Figure 8-8. STS-1 1-Way Cross-Connections at an FT-2000 OC-48
Add/Drop-Rings Terminal
3-1
5-2
6-1
16
FT-2000 OC-48 Add/Drop-Rings Terminal
STS-1 Tributaries
OC-48
1E
OC-48
1W
1
3-1
6-1
16
Through
Add
Drop
Drop
1
1A-1 2B-1 4B-1 6B-3 8B-3
Low Speed Ports