Introduction to the ECN
1553-CNH 160 0787 Uen PA2 2005-09-23
5
2 Introduction to the ECN
The ECN is composed of two main components: The Ethernet Node Con-
troller (ENC), and a 24 ports Ethernet switch with Power over Ethernet
(PoE) capabilities. The Ethernet Controller Node (ECN) is a unit that con-
trols and aggregates other EDA nodes (embedded nodes). Together, the
ECN and the embedded nodes constitute a logical node – the Ethernet Ac-
cess Node (EAN). The EAN is managed as a single node.
The EAN can be configured in several ways depending on the type and
number of the embedded nodes connected to the ECN.
The following EDA nodes can be used as embedded nodes (for further de-
tail refer to section
6 on page 26):
• IP DSLAMs (EDN110 and EDN312)
• ESN108 switch,
• Optical ELN220 switch
• EXN104 FE to E1/T1 converter
• ESN310
• ECN320/ESN310 switch
• ECN330 switch
Other 3
rd
party unmanaged switches can also be used in the EAN, but the
following sections primarily focus on the EAN with the EDA nodes listed
above.
The software in the ECN contains the EDA Management Proxy (EMP). The
means that there is no dependency on the Access Domain Server during
start-up or restart. The EAN is completely autonomous and self-sustained,
as the Access Domain Server functions are hosted by the ECN, see
Figure
1 on page
6.
The EAN can be managed without PEM using the Command Line Interface
of the ECN. This is described later in this guide.
All embedded elements are Plug and Play, with automatic registration in
PEM. The EAN elements may be placed in one cabinet, appearing physi-
cally as a single node, or distributed in different sites on different locations.
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