ZyXEL Communications Prestige 642 Guia do Utilizador Página 15

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Prestige 642 ADSL Internet Access Router
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Preface
Preface
About Your ADSL Internet Access Router
Congratulations on your purchase of the Prestige 642 ADSL Internet Access Router.
The Prestige 642 (P642) is an ADSL router/bridge used for Internet/LAN access via an ADSL line. The
Prestige 642 consists of four models as shown in the following table.
Model Description Protocols Supported Primary Application
Prestige 642 Full
Rate Router
This multiprotocol router (IP
and IPX) complies with the
ANSI T1.413 Issue 2 and
G.dmt standards offering
transmission speeds of up to 8
Mbps downstream and 832
Kbps upstream.
Multi-protocol
routing for TCP/IP
and Novell IPX
Applications that require real-
time, interactive multimedia
and broadcast-quality video
such as collaborative
computing, video
conferencing, distance
learning and video-on-demand
as well as super-fast Internet
Access.
Prestige 642
G.Lite Router
This multiprotocol router (IP
and IPX) complies with the
G.Lite standard providing
transmission speeds of up
1.536 Mbps downstream and
512 Kbps upstream.
Multi-protocol
routing for TCP/IP
and Novell IPX
Fast Internet Access.
Prestige 642 Full
Rate Modem
As above but with bridging
not routing functions.
Transparent
bridging
Super-fast bridging
Prestige 642
G.Lite Modem
As above but with bridging
not routing functions.
Transparent
bridging
Fast bridging.
List 1
There are two Prestige 642 manuals. This manual discusses the Prestige 642 Full Rate and G.Lite routers
(see
What is ADSL
ahead for more details). We will refer to the Prestige 642 router as the P642 or simply
the Prestige from now on.
The P642 can run upstream maximum transmission rates of 640Kbps and downstream maximum
transmission rates of 8Mbps. The actual rate depends on the copper category of your telephone wire,
distance from the central office and the type of ADSL service subscribed. See the sections below for more
background information on DSL and ADSL.
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