Alcatel-Lucent 1643 AMS Applications And Planning Manual page 179

Ethernet Overview
Ethernet over SDH
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Introduction
To connect remote PC LAN network sites via an SDH network without the need for
intermediate bridges or routers, the 1643 AM or 1643 AMS network element is
equipped with the Ethernet Interface extension card.
The following figure visualizes the basic design of a TransLAN
D
C
B
A
Legend:
A
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365-312-801R7.2
Issue 3, May 2007
Cross-connection unit
Virtual concatenation
Encapsulation and mapping
Ethernet switch
L2
Physical interface
PHY PHY PHY
The external interfaces, to which the end-customer's Ethernet
LANs are physically connected.
Alcatel-Lucent - Proprietary
See notice on first page
WAN ports
LAN ports
PHY
®
card:
11-3