21
3.1. Point-to-Point Connection
The Point-to-Point (EuroISDN with DDI) configuration interconnects directly one
ISDN terminal (TE) with a network terminal (NT) (see Fig. 14). This type is
applied mainly where PBXs are connected to the ISDN.
Fig. 14 - Point-to-Point Connection
3.2. Point-to-Multipoint Connection
Point-to-Multipoint
(EuroISDN
with MSN)
is
another
type
of ISDN terminal interconnection. Here the network terminal (NT) is
interconnected with up to eight ISDN terminals through a 4-wire passive bus as
shown in Fig. 15.
Fig. 15 - Point-to-Multipoint Connection
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