3-5
Cisco SCE 2000 4xGBE Installation and Configuration Guide
OL-7824-07
Chapter 3 Information About Topology
Information About Topology Considerations
Information About Physical Topologies
Following are descriptions of a number of physical topologies that the SCE 2000 supports.
•
Information About Inline SCE 2000 Topologies, page 3-5
•
Single Link: Receive-only Topology, page 3-7
•
Dual Link: Receive-Only Topology, page 3-8
Information About Inline SCE 2000 Topologies
A single SCE 2000 supports both single GBE link and dual GBE link topologies.
•
Single Link: Inline Topology, page 3-5
•
Dual link: Inline Installation, page 3-6
Single Link: Inline Topology
Typically, the SCE 2000 is connected in a full duplex GBE link between two devices (such as a router,
or BRAS). When the SCE 2000 is installed as an inline installation, it physically resides on the data link
between the subscribers and the network (
).
Figure 3-1
Single SCE Platform Single Link: In-line Topology
When configuring the SCE 2000, an inline installation is referred to as “inline” connection mode.
LINK RX
Cisco SCE 2000
Series
4xGBE
TX
RX
MM
TX
LINK RX TX
RX
MM
TX
LINK RX TX
RX
MM
TX
LINK RX TX
RX
MM
TX
GBE-1
SUB
LINE
NET
PWR B
STATUS
PWR A
BYPASS
GBE-2
SUB LINE/CASCADE NET
Router
Router
Subscriber
92798
Network
Port 2
network
Port 1
subscriber
