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Figure 15: Cabling Diagram for Single SCE 2000 Single Link Receive-only Topology
The single link receive-only topology cabling is similar to that for single link inline, in that either the first FE link (FE-1
SUB/NET) of the SCE 2000 or the second FE link (FE-2 SUB/NET) can be used, as illustrated in the diagram above.
However, in the receive-only topology, the SCE 2000 is connected to the external switch rather than being directly
connected to the FE link.
The port labeled "SUB" is used for connecting to the network element that is deployed on the subscriber side of the SCE
2000 while port labeled "NET" is used for connecting to the network element that is deployed on the network side of the
SCE 2000. The remaining ports are unused.
Dual Link: Single SCE 2000 Topology
In this topology, one SCE 2000 is connected to two full duplex, FE links. The SCE 2000 may be either inline, to support
both monitoring and traffic control functionality, or receive-only for traffic monitoring functionality only.
When one SCE 2000 supports two links, the first pair of ports (FE-1 SUB/NET) is connected to one link, while the
second pair of ports (FE-2 SUB/NET) is connected to the second link as follows:
• FE-1 SUB: Link 1, Subscriber side
• FE-1 NET: Link 1, Network side
• FE-2 SUB: Link 2, Subscriber side
• FE-2 NET: Link 2, Network side
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.