Administration HiPath 3000/5000 V7 IP systems

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HiPath 3000/5000 in the LAN Network For internal use only
HG 1500 V3.0
4.5.18.1 HG 1500 V3.0 and Access to the Internet via a Network Provider
Figure 4-11 Internet Access via a Network Provider
4.5.18.2 Internet Access via T-DSL (T-ISDN DSL)
At the end of 1999, Deutsche Telekom AG launched a new product (T-ISDN DSL, also known
as T-DSL) which combines fast Internet access with enhanced T-ISDN telephony features.
(Other providers, for example, in the Netherlands, use DSL with the PPTP protocol).
T-ISDN DSL is first and foremost a normal T-Net or ISDN connection as a multi-device or system
connection.
Over and above the functions of the normal T-Net or ISDN connection, the T-DSL connection
has a data interface for Internet connections with a speed of 768 Kbps downstream and 128
Kbps upstream. The use of this data interface does not seize any T-Net or ISDN channels.
Function
HiPath 3300/3350,
HiPath 3500/3550
or HiPath 3700/3750
LAN
ISDN network
ABC DEF 456 123 PQRS
GHI
TUV
MNO 7890 0
ABC DEF
PQRS
GHI
TUV
JKL
WXYZ
MNO
Client with Internet browser, e-mail client
HG 1500 V3.0 as router and/or router with
NAT (Network Address Translation) and channel
bundling
In contrast to T-ISDN, the NTBA is not connected directly to the main station but rather downstream
of a splitter (BBAE). This device can be seen as a DSL-speed distributor between the
ISDN connection and data transmission.
The splitter has a TAE jack to which the NTBA is connected. The connection to the HiPath 3000
is set up in the conventional manner.
In addition, the splitter features a connection for the T-DSL modem (NTBBA) which provides
the interface for data transmission at T-DSL speed.
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UUNET Internet
P31003-H3570-Y100-4-7618, 2007-10-31
4-52 HiPath 3000/5000 V7, System Description