Cisco SCE 1000 and Посібник із швидкого старту - Сторінка 35
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5
Cable the Line Ports
This section provides instructions for cabling the Gigabit Ethernet ports and for configuring Gigabit Ethernet (GBE) interface
parameters.
Note
When installing an External Optical Bypass module, the SCE 1000 line ports are connected to the module. See
Optical Bypass
Module" in the
instructions.
• Information About Cabling, page 35
• Cabling the Line Interfaces, page 36
Information About Cabling
• Single Link: Inline Topology, page 35
• Single Link: Receive-only Topology, page 36
Single Link: Inline Topology
In the inline or bump-in-the-wire topology, illustrated in the diagram bellow, the SCE 1000 resides physically on the data link
between the subscriber side, usually either a BRAS (in DSL access), a PDSN (in wireless access), a CMTS (in the Cable access),
or a switch or router aggregator (in other topologies), and the network side, usually a router or layer 3 switch network element.
This is the inline topology, providing both traffic monitoring and control capabilities.
In this topology, all the traffic of the SCE 1000 is deployed as a transparent layer2 overlay on the customer's existing network.
Figure 16
Bump-in-the-Wire Installation
PWR A
PWR B
STATUS
BYPASS
Subscriber
Router/Switch
Subscriber
Cisco SCE 1000 2xGBE Installation and Configuration Guide
LINK RX TX
LINK RX TX
RX
MM
TX
RX
MM
TX
GBE-1
SUB
LINE
NET
Network
Cisco SCE 1000
2xGBE
Network
Router/Switch
for complete
Series
"External
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