Lucent Technologies FT-2000 OC-48 - Page 440

Administration and Provisioning
8-36 Issue 8.0 July 2002
2-Way Cross-Connections 8
The FT-2000 OC-48 Add/Drop-Rings Terminal provides an STS-1 time slot
assignment (TSA) capability that supports the following 2-way cross-connections:
■ Add/drop cross-connections: Add/drop cross-connections are made
between any service low-speed port and any STS-1 tributary of OC-48
high-speed line 1E or 1W. For example, Figure 8-13 shows service
low-speed port 2 of slot 2B (2B-2) cross-connected to service STS-1
tributary 2 of STS-3 tributary 6 (6-2) on OC-48 high-speed line 1W.
Figure 8-13. STS-1 2-Way Cross-Connections at an FT-2000 OC-48
Add/Drop-Rings Terminal
Add/drop cross-connections are made between any service low-speed
interface slot and the companion low-speed interface slot (for example, slot
2A and 2B) when the slot pair is provisioned for the OC-3 1+1 protected
mode and any service STS-3 tributary. (Any low-speed port associated with
1
3-1
6-2
16
FT-2000 OC-48 Add/Drop-Rings Terminal
STS-1 Tributaries
OC-48
1E
OC-48
1W
1
3-1
6-2
16
Through
Add/Drop
Add/Drop
Low Speed Ports
1A-1 2B-2 6B-1 8B-3