ECN Functions, Features and HW
1553-CNH 160 0787 Uen PA2 2005-09-23
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3 ECN Functions, Features and HW
The following sections describe the ECN functions, features and hardware.
The ECN is used as the first and second level aggregation switch in the
EDA network, while also supplying directly connected IP DSLAMs with DC
power over the Ethernet connections.
As well as its Power-over-Ethernet capabilities, the ECN provides compre-
hensive network management features, such as multicast switching, virtual
LANs, and Layer 2 Quality of Services (QoS), which provide reliability and
consistent performance for network traffic.
Figure 2 on page 9 shows the
front and rear panels of the ECN (ECN330).
Figure 2 ECN330 Front and Rear Panels
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