Cisco SCE 2000 4/8xFE Quick Start Manual page 42

The following diagram illustrates the connections for dual links, with a single SCE 2000 deployed for both inline and
receive-only topologies.
For inline topologies, the SCE 2000 is directly connected to the two FE links, using the FE-1 and FE-2 ports as described
above.
For receive-only topologies, the SCE 2000 is connected to the external switch, which should be configured with two-port
replication configurations, one for upstream and one for downstream traffic on the FE link. The replicated ports should
then be connected to the SCE 2000 using the FE-1 and FE-2 ports as described above.
Figure 16: Cabling Diagram: Dual Link One SCE Platform Inline
Dual Link: Two SCE 2000s Topology
In this topology, two SCE 2000s are connected to two full duplex, FE links, providing full redundancy through cascading
the two SCE 2000s. The SCE 2000s may be either inline, to support both monitoring and traffic control functionality, or
receive-only for traffic monitoring functionality only.
When two SCE 2000s are used, the first pair of ports (FE-1 SUB/NET) in each SCE 2000 is connected to the links, while
the second pair of ports (FE-2 SUB/NET) become the cascade ports used for communicating between the two SCE 2000s
as follows:
SCE 2000 #1
FE-1 SUB: Link 1, Subscribers side
•
FE-1 NET: Link 1, Network side
•
FE-2 SUB: Cascade, connect to FE-2 NET in SCE 2000 #2
•
FE-2 NET: Cascade, connect to FE-2 SUB in SCE 2000 #2
•
SCE 2000 #2
FE-1 SUB: Link 2, Subscribers side
•
FE-1 NET: Link 2, Network side
•
FE-2 SUB: Cascade, connect to FE-2 NET in SCE 2000 #1
•
FE-2 NET: Cascade, connect to FE-2 SUB in SCE 2000 #1
•
Note Cascade ports must be connected directly in Layer 1 (dark fibers).
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