Fritz!Card Usb On The Isdn Line - AVM FRITZ!CARD USB Manual

2 All About FRITZ!Card USB
Remote Access Service, Intranet, X.31 etc.

2.4 FRITZ!Card USB on the ISDN Line

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If you would like to use any of these services, please consult
the respective service provider for information on access
conditions and settings.
When your ISDN line is installed, the ISDN network operator
first installs an NT (Network Terminator) with two ISDN jacks.
Each of these jacks is an S
In many cases, one of the NT's ISDN jacks is used to connect a
PBX with analog extensions, while the second jack is used to
connect a digital device. Existing analog telephone equipment,
such as telephones, cordless phone stations, answering
machines and Group 3 fax machines then can be connected to
the PBX extensions. The various terminal devices can be
addressed by individual MSNs ("Multiple Subscriber Numbers").
Each ISDN line has at least three MSNs. If your PBX is connected
jack and your computer's F F F F F R R R R R ITZ!Car
to one S
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then you will need to install additional ISDN jacks for other di-
gital terminal equipment, such as an ISDN telephone (see the
gray area in the following diagram).
NT NT
S
S
O O
ISDN telephone
Analog telephone with
answering machine
Fig. 2 Typical configuration of a point-to-multipoint ISDN line
interface.
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ITZ!Car ITZ!Car
ITZ!Car ITZ!Card U
S S
O
O
ISDN PBX
with analog
extensions
Cordless
telephone
d U d U SB SB
d U d USB SB to the other, SB
S
S
O
O
PC with
FRITZ!Card USB
Fax