ELSA TanGo 2000, Руководство пользователя

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Introduction
ELSA TanGo 2000
1
Introduction
ELSA TanGo 2000 one of the family of ISDN products from ELSA. It is an external
terminal adapter for connecting your PC to an ISDN Basic Rate Interface point-to-point or
point-to-multipoint connection, or to private branch exchanges (PBX systems) with an S
0
interface. In addition to the advantages of ISDN technology such as high-speed Internet
access, the
ELSA TanGo 2000 analog connectors (a/b ports) provide access to the
advanced features of digital exchanges such as call waiting, alternating, three-party
conferencing, call forwarding or connections without dialing. In addition, you can keep
track of your calling charges with the charge monitor. The hardware installation is fast
and user-friendly thanks to Plug&Play support (see Installation Guide).
Highlights of the ELSA TanGo 2000
The following is an outline of the essential technical features of the ISDN terminal
adapter to provide a quick overview of its performance:
K
Transmission modes – ELSA TanGo 2000 supports the following transmission
modes and speeds:
HDLC-PPP Internet providers can be reached using PPP protocol.
X.75
ELSA TanGo 2000 supports X.75/T.70NL connections.
V.120 The
ELSA TanGo 2000 also supports the ITU-T V.120 (I.465)
recommendation at 56,000 and 64,000 bps.
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a/b ports – ELSA TanGo 2000 provides two connectors (a/b ports) for analog
terminal equipment. You can thus continue using your analog equipment such as
telephones, answering machine or fax.
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Flash ROM technology – Firmware updates can be performed quickly and easily
using the command AT$UPX . This provides a convenient way to equip your unit
with future functions.
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Automatic protocol detection –
Depending on its configuration, the terminal
adapter supports automatic detection of the X.75, V.120 and HDLC-PPP protocols for
incoming and outgoing connections.
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Automatic detection of 56,000 and 64,000 bps – If an incoming connection with
56,000 bps is indicated in the D channel (e.g. from the USA), the X.75 and V.120
protocols automatically switch to 56,000 bps.
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D channel protocols –
The command
AT$IDP
can be used to switch between the
DSS1 protocol (Euro-ISDN) and the 1TR6 protocol (national ISDN). The DSS1
protocol is the default selection.